Merge pull request #72831 from bruvzg/angle++

[macOS/Windows] Add optional ANGLE backed OpenGL renderer support (runtime backend selection).

COPYRIGHT.txt

@@ -141,6 +141,11 @@ Comment: AMD FidelityFX Super Resolution
 Copyright: 2021, Advanced Micro Devices, Inc.
 License: Expat
 
+Files: ./thirdparty/angle/
+Comment: ANGLE
+Copyright: 2018, The ANGLE Project Authors.
+License: BSD-3-clause
+
 Files: ./thirdparty/astcenc/
 Comment: Arm ASTC Encoder
 Copyright: 2011-2023, Arm Limited

SConstruct

@@ -579,6 +579,8 @@ if selected_platform in platform_list:
         if env["debug_symbols"]:
             env.Append(CCFLAGS=["/Zi", "/FS"])
             env.Append(LINKFLAGS=["/DEBUG:FULL"])
+        else:
+            env.Append(LINKFLAGS=["/DEBUG:NONE"])
 
         if env["optimize"] == "speed":
             env.Append(CCFLAGS=["/O2"])

doc/classes/DisplayServer.xml

@@ -1891,9 +1891,9 @@
 		</constant>
 		<constant name="OPENGL_CONTEXT" value="3" enum="HandleType">
 			OpenGL context (only with the GL Compatibility renderer):
-			- Windows: [code]HGLRC[/code] for the window.
+			- Windows: [code]HGLRC[/code] for the window (native GL), or [code]EGLContext[/code] for the window (ANGLE).
 			- Linux: [code]GLXContext*[/code] for the window.
-			- macOS: [code]NSOpenGLContext*[/code] for the window.
+			- macOS: [code]NSOpenGLContext*[/code] for the window (native GL), or [code]EGLContext[/code] for the window (ANGLE).
 			- Android: [code]EGLContext[/code] for the window.
 		</constant>
 		<constant name="TTS_UTTERANCE_STARTED" value="0" enum="TTSUtteranceEvent">

drivers/SCsub

@@ -28,6 +28,7 @@ if env["vulkan"]:
 if env["opengl3"]:
     SConscript("gl_context/SCsub")
     SConscript("gles3/SCsub")
+    SConscript("egl/SCsub")
 
 # Core dependencies
 SConscript("png/SCsub")

drivers/egl/SCsub

@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+
+Import("env")
+
+# Godot source files
+env.add_source_files(env.drivers_sources, "*.cpp")

drivers/egl/egl_manager.cpp

@@ -0,0 +1,404 @@
+/**************************************************************************/
+/*  egl_manager.cpp                                                       */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "egl_manager.h"
+
+#ifdef EGL_ENABLED
+
+#if defined(EGL_STATIC)
+#define KHRONOS_STATIC 1
+extern "C" EGLAPI void EGLAPIENTRY eglSetBlobCacheFuncsANDROID(EGLDisplay dpy, EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get);
+#undef KHRONOS_STATIC
+#endif
+
+// Creates and caches a GLDisplay. Returns -1 on error.
+int EGLManager::_get_gldisplay_id(void *p_display) {
+	// Look for a cached GLDisplay.
+	for (unsigned int i = 0; i < displays.size(); i++) {
+		if (displays[i].display == p_display) {
+			return i;
+		}
+	}
+
+	// We didn't find any, so we'll have to create one, along with its own
+	// EGLDisplay and EGLContext.
+	GLDisplay new_gldisplay;
+	new_gldisplay.display = p_display;
+
+	Vector<EGLAttrib> attribs = _get_platform_display_attributes();
+
+	new_gldisplay.egl_display = eglGetPlatformDisplay(_get_platform_extension_enum(), new_gldisplay.display, (attribs.size() > 0) ? attribs.ptr() : nullptr);
+	ERR_FAIL_COND_V(eglGetError() != EGL_SUCCESS, -1);
+
+	ERR_FAIL_COND_V_MSG(new_gldisplay.egl_display == EGL_NO_DISPLAY, -1, "Can't create an EGL display.");
+
+	if (!eglInitialize(new_gldisplay.egl_display, nullptr, nullptr)) {
+		ERR_FAIL_V_MSG(-1, "Can't initialize an EGL display.");
+	}
+
+	if (!eglBindAPI(_get_platform_api_enum())) {
+		ERR_FAIL_V_MSG(-1, "OpenGL not supported.");
+	}
+
+	Error err = _gldisplay_create_context(new_gldisplay);
+
+	if (err != OK) {
+		eglTerminate(new_gldisplay.egl_display);
+		ERR_FAIL_V(-1);
+	}
+
+#ifdef EGL_ANDROID_blob_cache
+#if defined(EGL_STATIC)
+	bool has_blob_cache = true;
+#else
+	bool has_blob_cache = (eglSetBlobCacheFuncsANDROID != nullptr);
+#endif
+	if (has_blob_cache && !shader_cache_dir.is_empty()) {
+		eglSetBlobCacheFuncsANDROID(new_gldisplay.egl_display, &EGLManager::_set_cache, &EGLManager::_get_cache);
+	}
+#endif
+
+	displays.push_back(new_gldisplay);
+
+	// Return the new GLDisplay's ID.
+	return displays.size() - 1;
+}
+
+#ifdef EGL_ANDROID_blob_cache
+String EGLManager::shader_cache_dir;
+
+void EGLManager::_set_cache(const void *p_key, EGLsizeiANDROID p_key_size, const void *p_value, EGLsizeiANDROID p_value_size) {
+	String name = CryptoCore::b64_encode_str((const uint8_t *)p_key, p_key_size).replace("/", "_");
+	String path = shader_cache_dir.path_join(name) + ".cache";
+
+	Error err = OK;
+	Ref<FileAccess> file = FileAccess::open(path, FileAccess::WRITE, &err);
+	if (err != OK) {
+		return;
+	}
+	file->store_buffer((const uint8_t *)p_value, p_value_size);
+}
+
+EGLsizeiANDROID EGLManager::_get_cache(const void *p_key, EGLsizeiANDROID p_key_size, void *p_value, EGLsizeiANDROID p_value_size) {
+	String name = CryptoCore::b64_encode_str((const uint8_t *)p_key, p_key_size).replace("/", "_");
+	String path = shader_cache_dir.path_join(name) + ".cache";
+
+	Error err = OK;
+	Ref<FileAccess> file = FileAccess::open(path, FileAccess::READ, &err);
+	if (err != OK) {
+		return 0;
+	}
+	EGLsizeiANDROID len = file->get_length();
+	if (len <= p_value_size) {
+		file->get_buffer((uint8_t *)p_value, len);
+	}
+	return len;
+}
+#endif
+
+Error EGLManager::_gldisplay_create_context(GLDisplay &p_gldisplay) {
+	EGLint attribs[] = {
+		EGL_RED_SIZE,
+		1,
+		EGL_BLUE_SIZE,
+		1,
+		EGL_GREEN_SIZE,
+		1,
+		EGL_DEPTH_SIZE,
+		24,
+		EGL_NONE,
+	};
+
+	EGLint attribs_layered[] = {
+		EGL_RED_SIZE,
+		8,
+		EGL_GREEN_SIZE,
+		8,
+		EGL_GREEN_SIZE,
+		8,
+		EGL_ALPHA_SIZE,
+		8,
+		EGL_DEPTH_SIZE,
+		24,
+		EGL_NONE,
+	};
+
+	EGLint config_count = 0;
+
+	if (OS::get_singleton()->is_layered_allowed()) {
+		eglChooseConfig(p_gldisplay.egl_display, attribs_layered, &p_gldisplay.egl_config, 1, &config_count);
+	} else {
+		eglChooseConfig(p_gldisplay.egl_display, attribs, &p_gldisplay.egl_config, 1, &config_count);
+	}
+
+	ERR_FAIL_COND_V(eglGetError() != EGL_SUCCESS, ERR_BUG);
+	ERR_FAIL_COND_V(config_count == 0, ERR_UNCONFIGURED);
+
+	Vector<EGLint> context_attribs = _get_platform_context_attribs();
+	p_gldisplay.egl_context = eglCreateContext(p_gldisplay.egl_display, p_gldisplay.egl_config, EGL_NO_CONTEXT, (context_attribs.size() > 0) ? context_attribs.ptr() : nullptr);
+	ERR_FAIL_COND_V_MSG(p_gldisplay.egl_context == EGL_NO_CONTEXT, ERR_CANT_CREATE, vformat("Can't create an EGL context. Error code: %d", eglGetError()));
+
+	return OK;
+}
+
+int EGLManager::display_get_native_visual_id(void *p_display) {
+	int gldisplay_id = _get_gldisplay_id(p_display);
+	ERR_FAIL_COND_V(gldisplay_id < 0, ERR_CANT_CREATE);
+
+	GLDisplay gldisplay = displays[gldisplay_id];
+
+	EGLint native_visual_id = -1;
+
+	if (!eglGetConfigAttrib(gldisplay.egl_display, gldisplay.egl_config, EGL_NATIVE_VISUAL_ID, &native_visual_id)) {
+		ERR_FAIL_V(-1);
+	}
+
+	return native_visual_id;
+}
+
+Error EGLManager::window_create(DisplayServer::WindowID p_window_id, void *p_display, void *p_native_window, int p_width, int p_height) {
+	int gldisplay_id = _get_gldisplay_id(p_display);
+	ERR_FAIL_COND_V(gldisplay_id < 0, ERR_CANT_CREATE);
+
+	GLDisplay &gldisplay = displays[gldisplay_id];
+
+	// In order to ensure a fast lookup, make sure we got enough elements in the
+	// windows local vector to use the window id as an index.
+	if (p_window_id >= (int)windows.size()) {
+		windows.resize(p_window_id + 1);
+	}
+
+	GLWindow &glwindow = windows[p_window_id];
+	glwindow.gldisplay_id = gldisplay_id;
+
+	glwindow.egl_surface = eglCreatePlatformWindowSurface(gldisplay.egl_display, gldisplay.egl_config, p_native_window, nullptr);
+
+	if (glwindow.egl_surface == EGL_NO_SURFACE) {
+		return ERR_CANT_CREATE;
+	}
+
+	glwindow.initialized = true;
+
+	window_make_current(p_window_id);
+
+	return OK;
+}
+
+void EGLManager::window_destroy(DisplayServer::WindowID p_window_id) {
+	ERR_FAIL_INDEX(p_window_id, (int)windows.size());
+
+	GLWindow &glwindow = windows[p_window_id];
+
+	if (!glwindow.initialized) {
+		return;
+	}
+
+	glwindow.initialized = false;
+
+	ERR_FAIL_INDEX(glwindow.gldisplay_id, (int)displays.size());
+	GLDisplay &gldisplay = displays[glwindow.gldisplay_id];
+
+	if (glwindow.egl_surface != EGL_NO_SURFACE) {
+		eglDestroySurface(gldisplay.egl_display, glwindow.egl_surface);
+		glwindow.egl_surface = nullptr;
+	}
+}
+
+void EGLManager::release_current() {
+	if (!current_window) {
+		return;
+	}
+
+	GLDisplay &current_display = displays[current_window->gldisplay_id];
+
+	eglMakeCurrent(current_display.egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+}
+
+void EGLManager::make_current() {
+	if (!current_window) {
+		return;
+	}
+
+	if (!current_window->initialized) {
+		WARN_PRINT("Current OpenGL window is uninitialized!");
+		return;
+	}
+
+	GLDisplay &current_display = displays[current_window->gldisplay_id];
+
+	eglMakeCurrent(current_display.egl_display, current_window->egl_surface, current_window->egl_surface, current_display.egl_context);
+}
+
+void EGLManager::swap_buffers() {
+	if (!current_window) {
+		return;
+	}
+
+	if (!current_window->initialized) {
+		WARN_PRINT("Current OpenGL window is uninitialized!");
+		return;
+	}
+
+	GLDisplay &current_display = displays[current_window->gldisplay_id];
+
+	eglSwapBuffers(current_display.egl_display, current_window->egl_surface);
+}
+
+void EGLManager::window_make_current(DisplayServer::WindowID p_window_id) {
+	if (p_window_id == DisplayServer::INVALID_WINDOW_ID) {
+		return;
+	}
+
+	GLWindow &glwindow = windows[p_window_id];
+
+	if (&glwindow == current_window || !glwindow.initialized) {
+		return;
+	}
+
+	current_window = &glwindow;
+
+	GLDisplay &current_display = displays[current_window->gldisplay_id];
+
+	eglMakeCurrent(current_display.egl_display, current_window->egl_surface, current_window->egl_surface, current_display.egl_context);
+}
+
+void EGLManager::set_use_vsync(bool p_use) {
+	// Force vsync in the editor for now, as a safety measure.
+	bool is_editor = Engine::get_singleton()->is_editor_hint();
+	if (is_editor) {
+		p_use = true;
+	}
+
+	// We need an active window to get a display to set the vsync.
+	if (!current_window) {
+		return;
+	}
+
+	GLDisplay &disp = displays[current_window->gldisplay_id];
+
+	int swap_interval = p_use ? 1 : 0;
+
+	if (!eglSwapInterval(disp.egl_display, swap_interval)) {
+		WARN_PRINT("Could not set V-Sync mode.");
+	}
+
+	use_vsync = p_use;
+}
+
+bool EGLManager::is_using_vsync() const {
+	return use_vsync;
+}
+
+EGLContext EGLManager::get_context(DisplayServer::WindowID p_window_id) {
+	GLWindow &glwindow = windows[p_window_id];
+
+	if (!glwindow.initialized) {
+		return EGL_NO_CONTEXT;
+	}
+
+	GLDisplay &display = displays[glwindow.gldisplay_id];
+
+	return display.egl_context;
+}
+
+Error EGLManager::initialize() {
+#if defined(GLAD_ENABLED) && !defined(EGL_STATIC)
+	// Passing a null display loads just the bare minimum to create one. We'll have
+	// to create a temporary test display and reload EGL with it to get a good idea
+	// of what version is supported on this machine. Currently we're looking for
+	// 1.5, the latest at the time of writing, which is actually pretty old.
+	if (!gladLoaderLoadEGL(nullptr)) {
+		ERR_FAIL_V_MSG(ERR_UNAVAILABLE, "Can't load EGL.");
+	}
+
+	// NOTE: EGL_DEFAULT_DISPLAY returns whatever the O.S. deems suitable. I have
+	// no idea if this may cause problems with multiple display servers and if we
+	// should handle different EGL contexts in another way.
+	EGLDisplay tmp_display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+	ERR_FAIL_COND_V(tmp_display == EGL_NO_DISPLAY, ERR_UNAVAILABLE);
+
+	eglInitialize(tmp_display, nullptr, nullptr);
+
+	int version = gladLoaderLoadEGL(tmp_display);
+
+	ERR_FAIL_COND_V_MSG(!version, ERR_UNAVAILABLE, "Can't load EGL.");
+	print_verbose(vformat("Loaded EGL %d.%d", GLAD_VERSION_MAJOR(version), GLAD_VERSION_MINOR(version)));
+
+	ERR_FAIL_COND_V_MSG(!GLAD_EGL_VERSION_1_5, ERR_UNAVAILABLE, "EGL version is too old!");
+
+	eglTerminate(tmp_display);
+#endif
+
+#ifdef EGL_ANDROID_blob_cache
+	shader_cache_dir = Engine::get_singleton()->get_shader_cache_path();
+	if (shader_cache_dir.is_empty()) {
+		shader_cache_dir = "user://";
+	}
+	Error err = OK;
+	Ref<DirAccess> da = DirAccess::open(shader_cache_dir);
+	if (da.is_null()) {
+		ERR_PRINT("EGL: Can't create shader cache folder, no shader caching will happen: " + shader_cache_dir);
+		shader_cache_dir = String();
+	} else {
+		err = da->change_dir(String("shader_cache").path_join("EGL"));
+		if (err != OK) {
+			err = da->make_dir_recursive(String("shader_cache").path_join("EGL"));
+		}
+		if (err != OK) {
+			ERR_PRINT("EGL: Can't create shader cache folder, no shader caching will happen: " + shader_cache_dir);
+			shader_cache_dir = String();
+		} else {
+			shader_cache_dir = shader_cache_dir.path_join(String("shader_cache").path_join("EGL"));
+		}
+	}
+#endif
+
+	String extensions_string = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
+	// The above method should always work. If it doesn't, something's very wrong.
+	ERR_FAIL_COND_V(eglGetError() != EGL_SUCCESS, ERR_BUG);
+
+	const char *platform = _get_platform_extension_name();
+	if (extensions_string.split(" ").find(platform) < 0) {
+		ERR_FAIL_V_MSG(ERR_UNAVAILABLE, vformat("EGL platform extension \"%s\" not found.", platform));
+	}
+
+	return OK;
+}
+
+EGLManager::EGLManager() {
+}
+
+EGLManager::~EGLManager() {
+	for (unsigned int i = 0; i < displays.size(); i++) {
+		eglTerminate(displays[i].egl_display);
+	}
+}
+
+#endif // EGL_ENABLED

drivers/egl/egl_manager.h

@@ -0,0 +1,118 @@
+/**************************************************************************/
+/*  egl_manager.h                                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef EGL_MANAGER_H
+#define EGL_MANAGER_H
+
+#ifdef EGL_ENABLED
+
+// These must come first to avoid windows.h mess.
+#include "platform_gl.h"
+
+#include "core/config/project_settings.h"
+#include "core/crypto/crypto_core.h"
+#include "core/io/dir_access.h"
+#include "core/io/file_access.h"
+#include "core/templates/local_vector.h"
+#include "servers/display_server.h"
+
+class EGLManager {
+private:
+	// An EGL-side rappresentation of a display with its own rendering
+	// context.
+	struct GLDisplay {
+		void *display = nullptr;
+
+		EGLDisplay egl_display = EGL_NO_DISPLAY;
+		EGLContext egl_context = EGL_NO_CONTEXT;
+		EGLConfig egl_config = nullptr;
+	};
+
+	// EGL specific window data.
+	struct GLWindow {
+		bool initialized = false;
+
+		// An handle to the GLDisplay associated with this window.
+		int gldisplay_id = -1;
+
+		EGLSurface egl_surface = EGL_NO_SURFACE;
+	};
+
+	LocalVector<GLDisplay> displays;
+	LocalVector<GLWindow> windows;
+
+	GLWindow *current_window = nullptr;
+
+	// On EGL the default swap interval is 1 and thus vsync is on by default.
+	bool use_vsync = true;
+
+	virtual const char *_get_platform_extension_name() const = 0;
+	virtual EGLenum _get_platform_extension_enum() const = 0;
+	virtual EGLenum _get_platform_api_enum() const = 0;
+	virtual Vector<EGLAttrib> _get_platform_display_attributes() const = 0;
+	virtual Vector<EGLint> _get_platform_context_attribs() const = 0;
+
+#ifdef EGL_ANDROID_blob_cache
+	static String shader_cache_dir;
+
+	static void _set_cache(const void *p_key, EGLsizeiANDROID p_key_size, const void *p_value, EGLsizeiANDROID p_value_size);
+	static EGLsizeiANDROID _get_cache(const void *p_key, EGLsizeiANDROID p_key_size, void *p_value, EGLsizeiANDROID p_value_size);
+#endif
+
+	int _get_gldisplay_id(void *p_display);
+	Error _gldisplay_create_context(GLDisplay &p_gldisplay);
+
+public:
+	int display_get_native_visual_id(void *p_display);
+
+	Error window_create(DisplayServer::WindowID p_window_id, void *p_display, void *p_native_window, int p_width, int p_height);
+
+	void window_destroy(DisplayServer::WindowID p_window_id);
+
+	void release_current();
+	void make_current();
+	void swap_buffers();
+
+	void window_make_current(DisplayServer::WindowID p_window_id);
+
+	void set_use_vsync(bool p_use);
+	bool is_using_vsync() const;
+
+	EGLContext get_context(DisplayServer::WindowID p_window_id);
+
+	Error initialize();
+
+	EGLManager();
+	virtual ~EGLManager();
+};
+
+#endif // EGL_ENABLED
+
+#endif // EGL_MANAGER_H

drivers/gl_context/SCsub

@@ -5,9 +5,11 @@ Import("env")
 if env["platform"] in ["macos", "windows", "linuxbsd"]:
     # Thirdparty source files
     thirdparty_dir = "#thirdparty/glad/"
-    thirdparty_sources = [
-        "gl.c",
-    ]
+    thirdparty_sources = ["gl.c"]
+
+    if not env.get("angle_libs"):
+        thirdparty_sources += ["egl.c"]
+
     thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
 
     # Treat glad headers as system headers to avoid raising warnings. Not supported on MSVC.
@@ -17,7 +19,7 @@ if env["platform"] in ["macos", "windows", "linuxbsd"]:
         env.Prepend(CPPPATH=[thirdparty_dir])
 
     env.Append(CPPDEFINES=["GLAD_ENABLED"])
-    env.Append(CPPDEFINES=["GLES_OVER_GL"])
+    env.Append(CPPDEFINES=["EGL_ENABLED"])
 
     env_thirdparty = env.Clone()
     env_thirdparty.disable_warnings()

drivers/gles3/environment/gi.h

@@ -38,12 +38,7 @@
 #include "core/templates/self_list.h"
 #include "servers/rendering/environment/renderer_gi.h"
 
-#include "platform_config.h"
-#ifndef OPENGL_INCLUDE_H
-#include <GLES3/gl3.h>
-#else
-#include OPENGL_INCLUDE_H
-#endif
+#include "platform_gl.h"
 
 namespace GLES3 {
 

drivers/gles3/rasterizer_canvas_gles3.cpp

@@ -33,6 +33,7 @@
 #ifdef GLES3_ENABLED
 
 #include "core/os/os.h"
+#include "rasterizer_gles3.h"
 #include "rasterizer_scene_gles3.h"
 
 #include "core/config/project_settings.h"
@@ -1561,7 +1562,8 @@ void RasterizerCanvasGLES3::light_update_shadow(RID p_rid, int p_shadow_index, c
 	glEnable(GL_SCISSOR_TEST);
 	glScissor(0, p_shadow_index * 2, state.shadow_texture_size, 2);
 	glClearColor(p_far, p_far, p_far, 1.0);
-	glClearDepth(1.0);
+	RasterizerGLES3::clear_depth(1.0);
+
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
 	glCullFace(GL_BACK);
@@ -1682,7 +1684,8 @@ void RasterizerCanvasGLES3::light_update_directional_shadow(RID p_rid, int p_sha
 	glEnable(GL_SCISSOR_TEST);
 	glScissor(0, p_shadow_index * 2, state.shadow_texture_size, 2);
 	glClearColor(1.0, 1.0, 1.0, 1.0);
-	glClearDepth(1.0);
+	RasterizerGLES3::clear_depth(1.0);
+
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
 	glCullFace(GL_BACK);

drivers/gles3/rasterizer_gles3.cpp

@@ -76,19 +76,14 @@
 #define CAN_DEBUG
 #endif
 
-#if !defined(GLES_OVER_GL) && defined(CAN_DEBUG)
-#include <GLES3/gl3.h>
-#include <GLES3/gl3ext.h>
-#include <GLES3/gl3platform.h>
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-#endif
+#include "platform_gl.h"
 
 #if defined(MINGW_ENABLED) || defined(_MSC_VER)
 #define strcpy strcpy_s
 #endif
 
+bool RasterizerGLES3::gles_over_gl = true;
+
 void RasterizerGLES3::begin_frame(double frame_step) {
 	frame++;
 	delta = frame_step;
@@ -115,6 +110,19 @@ void RasterizerGLES3::end_frame(bool p_swap_buffers) {
 	}
 }
 
+void RasterizerGLES3::clear_depth(float p_depth) {
+#ifdef GL_API_ENABLED
+	if (is_gles_over_gl()) {
+		glClearDepth(p_depth);
+	}
+#endif // GL_API_ENABLED
+#ifdef GLES_API_ENABLED
+	if (!is_gles_over_gl()) {
+		glClearDepthf(p_depth);
+	}
+#endif // GLES_API_ENABLED
+}
+
 #ifdef CAN_DEBUG
 static void GLAPIENTRY _gl_debug_print(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const GLvoid *userParam) {
 	if (type == _EXT_DEBUG_TYPE_OTHER_ARB) {
@@ -169,7 +177,7 @@ static void GLAPIENTRY _gl_debug_print(GLenum source, GLenum type, GLuint id, GL
 }
 #endif
 
-typedef void (*DEBUGPROCARB)(GLenum source,
+typedef void(GLAPIENTRY *DEBUGPROCARB)(GLenum source,
 		GLenum type,
 		GLuint id,
 		GLenum severity,
@@ -177,7 +185,7 @@ typedef void (*DEBUGPROCARB)(GLenum source,
 		const char *message,
 		const void *userParam);
 
-typedef void (*DebugMessageCallbackARB)(DEBUGPROCARB callback, const void *userParam);
+typedef void(GLAPIENTRY *DebugMessageCallbackARB)(DEBUGPROCARB callback, const void *userParam);
 
 void RasterizerGLES3::initialize() {
 	print_line(vformat("OpenGL API %s - Compatibility - Using Device: %s - %s", RS::get_singleton()->get_video_adapter_api_version(), RS::get_singleton()->get_video_adapter_vendor(), RS::get_singleton()->get_video_adapter_name()));
@@ -200,61 +208,99 @@ void RasterizerGLES3::finalize() {
 
 RasterizerGLES3 *RasterizerGLES3::singleton = nullptr;
 
+#ifdef EGL_ENABLED
+void *_egl_load_function_wrapper(const char *p_name) {
+	return (void *)eglGetProcAddress(p_name);
+}
+#endif
+
 RasterizerGLES3::RasterizerGLES3() {
 	singleton = this;
 
 #ifdef GLAD_ENABLED
-	if (!gladLoaderLoadGL()) {
-		ERR_PRINT("Error initializing GLAD");
-		// FIXME this is an early return from a constructor.  Any other code using this instance will crash or the finalizer will crash, because none of
-		// the members of this instance are initialized, so this just makes debugging harder.  It should either crash here intentionally,
-		// or we need to actually test for this situation before constructing this.
-		return;
-	}
+	bool glad_loaded = false;
+
+#ifdef EGL_ENABLED
+	// There should be a more flexible system for getting the GL pointer, as
+	// different DisplayServers can have different ways. We can just use the GLAD
+	// version global to see if it loaded for now though, otherwise we fall back to
+	// the generic loader below.
+#if defined(EGL_STATIC)
+	bool has_egl = true;
+#else
+	bool has_egl = (eglGetProcAddress != nullptr);
 #endif
 
-#ifdef GLAD_ENABLED
-	if (OS::get_singleton()->is_stdout_verbose()) {
-		if (GLAD_GL_ARB_debug_output) {
-			glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
-			glDebugMessageCallbackARB(_gl_debug_print, nullptr);
-			glEnable(_EXT_DEBUG_OUTPUT);
-		} else {
-			print_line("OpenGL debugging not supported!");
+	if (gles_over_gl) {
+		if (has_egl && !glad_loaded && gladLoadGL((GLADloadfunc)&_egl_load_function_wrapper)) {
+			glad_loaded = true;
+		}
+	} else {
+		if (has_egl && !glad_loaded && gladLoadGLES2((GLADloadfunc)&_egl_load_function_wrapper)) {
+			glad_loaded = true;
+		}
+	}
+#endif // EGL_ENABLED
+
+	if (gles_over_gl) {
+		if (!glad_loaded && gladLoaderLoadGL()) {
+			glad_loaded = true;
+		}
+	} else {
+		if (!glad_loaded && gladLoaderLoadGLES2()) {
+			glad_loaded = true;
+		}
+	}
+
+	// FIXME this is an early return from a constructor.  Any other code using this instance will crash or the finalizer will crash, because none of
+	// the members of this instance are initialized, so this just makes debugging harder.  It should either crash here intentionally,
+	// or we need to actually test for this situation before constructing this.
+	ERR_FAIL_COND_MSG(!glad_loaded, "Error initializing GLAD.");
+
+	if (gles_over_gl) {
+		if (OS::get_singleton()->is_stdout_verbose()) {
+			if (GLAD_GL_ARB_debug_output) {
+				glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
+				glDebugMessageCallbackARB((GLDEBUGPROCARB)_gl_debug_print, nullptr);
+				glEnable(_EXT_DEBUG_OUTPUT);
+			} else {
+				print_line("OpenGL debugging not supported!");
+			}
 		}
 	}
 #endif // GLAD_ENABLED
 
 	// For debugging
 #ifdef CAN_DEBUG
-#ifdef GLES_OVER_GL
-	if (OS::get_singleton()->is_stdout_verbose() && GLAD_GL_ARB_debug_output) {
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_ERROR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_PORTABILITY_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_PERFORMANCE_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_OTHER_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
-		//		 glDebugMessageInsertARB(
-		//			GL_DEBUG_SOURCE_API_ARB,
-		//			GL_DEBUG_TYPE_OTHER_ARB, 1,
-		//			GL_DEBUG_SEVERITY_HIGH_ARB, 5, "hello");
-	}
-#else
-	if (OS::get_singleton()->is_stdout_verbose()) {
-		DebugMessageCallbackARB callback = (DebugMessageCallbackARB)eglGetProcAddress("glDebugMessageCallback");
-		if (!callback) {
-			callback = (DebugMessageCallbackARB)eglGetProcAddress("glDebugMessageCallbackKHR");
+#ifdef GL_API_ENABLED
+	if (gles_over_gl) {
+		if (OS::get_singleton()->is_stdout_verbose() && GLAD_GL_ARB_debug_output) {
+			glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_ERROR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+			glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+			glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+			glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_PORTABILITY_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+			glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_PERFORMANCE_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+			glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_OTHER_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
 		}
+	}
+#endif // GL_API_ENABLED
+#ifdef GLES_API_ENABLED
+	if (!gles_over_gl) {
+		if (OS::get_singleton()->is_stdout_verbose()) {
+			DebugMessageCallbackARB callback = (DebugMessageCallbackARB)eglGetProcAddress("glDebugMessageCallback");
+			if (!callback) {
+				callback = (DebugMessageCallbackARB)eglGetProcAddress("glDebugMessageCallbackKHR");
+			}
 
-		if (callback) {
-			print_line("godot: ENABLING GL DEBUG");
-			glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
-			callback(_gl_debug_print, NULL);
-			glEnable(_EXT_DEBUG_OUTPUT);
+			if (callback) {
+				print_line("godot: ENABLING GL DEBUG");
+				glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
+				callback((DEBUGPROCARB)_gl_debug_print, NULL);
+				glEnable(_EXT_DEBUG_OUTPUT);
+			}
 		}
 	}
-#endif // GLES_OVER_GL
+#endif // GLES_API_ENABLED
 #endif // CAN_DEBUG
 
 	{

drivers/gles3/rasterizer_gles3.h

@@ -54,6 +54,8 @@ private:
 
 	double time_total = 0.0;
 
+	static bool gles_over_gl;
+
 protected:
 	GLES3::Config *config = nullptr;
 	GLES3::Utilities *utilities = nullptr;
@@ -99,7 +101,11 @@ public:
 		return memnew(RasterizerGLES3);
 	}
 
-	static void make_current() {
+	static bool is_gles_over_gl() { return gles_over_gl; }
+	static void clear_depth(float p_depth);
+
+	static void make_current(bool p_gles_over_gl) {
+		gles_over_gl = p_gles_over_gl;
 		_create_func = _create_current;
 		low_end = true;
 	}

drivers/gles3/rasterizer_scene_gles3.cpp

@@ -29,15 +29,18 @@
 /**************************************************************************/
 
 #include "rasterizer_scene_gles3.h"
-#include "core/config/project_settings.h"
-#include "core/templates/sort_array.h"
-#include "servers/rendering/rendering_server_default.h"
-#include "servers/rendering/rendering_server_globals.h"
+
+#include "rasterizer_gles3.h"
 #include "storage/config.h"
 #include "storage/mesh_storage.h"
 #include "storage/particles_storage.h"
 #include "storage/texture_storage.h"
 
+#include "core/config/project_settings.h"
+#include "core/templates/sort_array.h"
+#include "servers/rendering/rendering_server_default.h"
+#include "servers/rendering/rendering_server_globals.h"
+
 #ifdef GLES3_ENABLED
 
 RasterizerSceneGLES3 *RasterizerSceneGLES3::singleton = nullptr;
@@ -528,19 +531,24 @@ void RasterizerSceneGLES3::_update_dirty_skys() {
 			glGenTextures(1, &sky->radiance);
 			glBindTexture(GL_TEXTURE_CUBE_MAP, sky->radiance);
 
-#ifdef GLES_OVER_GL
-			GLenum format = GL_RGBA;
-			GLenum type = GL_UNSIGNED_INT_2_10_10_10_REV;
-			//TODO, on low-end compare this to allocating each face of each mip individually
-			// see: https://www.khronos.org/registry/OpenGL-Refpages/es3.0/html/glTexStorage2D.xhtml
-			for (int i = 0; i < 6; i++) {
-				glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, internal_format, sky->radiance_size, sky->radiance_size, 0, format, type, nullptr);
-			}
+#ifdef GL_API_ENABLED
+			if (RasterizerGLES3::is_gles_over_gl()) {
+				GLenum format = GL_RGBA;
+				GLenum type = GL_UNSIGNED_INT_2_10_10_10_REV;
+				//TODO, on low-end compare this to allocating each face of each mip individually
+				// see: https://www.khronos.org/registry/OpenGL-Refpages/es3.0/html/glTexStorage2D.xhtml
+				for (int i = 0; i < 6; i++) {
+					glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, internal_format, sky->radiance_size, sky->radiance_size, 0, format, type, nullptr);
+				}
 
-			glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
-#else
-			glTexStorage2D(GL_TEXTURE_CUBE_MAP, sky->mipmap_count, internal_format, sky->radiance_size, sky->radiance_size);
-#endif
+				glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
+			}
+#endif // GL_API_ENABLED
+#ifdef GLES_API_ENABLED
+			if (!RasterizerGLES3::is_gles_over_gl()) {
+				glTexStorage2D(GL_TEXTURE_CUBE_MAP, sky->mipmap_count, internal_format, sky->radiance_size, sky->radiance_size);
+			}
+#endif // GLES_API_ENABLED
 			glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
 			glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 			glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@@ -553,17 +561,24 @@ void RasterizerSceneGLES3::_update_dirty_skys() {
 			glGenTextures(1, &sky->raw_radiance);
 			glBindTexture(GL_TEXTURE_CUBE_MAP, sky->raw_radiance);
 
-#ifdef GLES_OVER_GL
-			//TODO, on low-end compare this to allocating each face of each mip individually
-			// see: https://www.khronos.org/registry/OpenGL-Refpages/es3.0/html/glTexStorage2D.xhtml
-			for (int i = 0; i < 6; i++) {
-				glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, internal_format, sky->radiance_size, sky->radiance_size, 0, format, type, nullptr);
-			}
+#ifdef GL_API_ENABLED
+			if (RasterizerGLES3::is_gles_over_gl()) {
+				GLenum format = GL_RGBA;
+				GLenum type = GL_UNSIGNED_INT_2_10_10_10_REV;
+				//TODO, on low-end compare this to allocating each face of each mip individually
+				// see: https://www.khronos.org/registry/OpenGL-Refpages/es3.0/html/glTexStorage2D.xhtml
+				for (int i = 0; i < 6; i++) {
+					glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, internal_format, sky->radiance_size, sky->radiance_size, 0, format, type, nullptr);
+				}
 
-			glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
-#else
-			glTexStorage2D(GL_TEXTURE_CUBE_MAP, sky->mipmap_count, internal_format, sky->radiance_size, sky->radiance_size);
-#endif
+				glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
+			}
+#endif // GL_API_ENABLED
+#ifdef GLES_API_ENABLED
+			if (!RasterizerGLES3::is_gles_over_gl()) {
+				glTexStorage2D(GL_TEXTURE_CUBE_MAP, sky->mipmap_count, internal_format, sky->radiance_size, sky->radiance_size);
+			}
+#endif // GLES_API_ENABLED
 			glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
 			glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 			glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@@ -1944,7 +1959,8 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
 		glDisable(GL_SCISSOR_TEST);
 
 		glColorMask(0, 0, 0, 0);
-		glClearDepth(1.0f);
+		RasterizerGLES3::clear_depth(1.0);
+
 		glClear(GL_DEPTH_BUFFER_BIT);
 		uint64_t spec_constant = SceneShaderGLES3::DISABLE_FOG | SceneShaderGLES3::DISABLE_LIGHT_DIRECTIONAL |
 				SceneShaderGLES3::DISABLE_LIGHTMAP | SceneShaderGLES3::DISABLE_LIGHT_OMNI |
@@ -1979,7 +1995,7 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
 	scene_state.current_depth_draw = GLES3::SceneShaderData::DEPTH_DRAW_ALWAYS;
 
 	if (!fb_cleared) {
-		glClearDepth(1.0f);
+		RasterizerGLES3::clear_depth(1.0);
 		glClear(GL_DEPTH_BUFFER_BIT);
 	}
 
@@ -2505,7 +2521,8 @@ void RasterizerSceneGLES3::render_particle_collider_heightfield(RID p_collider,
 	scene_state.cull_mode = GLES3::SceneShaderData::CULL_BACK;
 
 	glColorMask(0, 0, 0, 0);
-	glClearDepth(1.0f);
+	RasterizerGLES3::clear_depth(1.0);
+
 	glClear(GL_DEPTH_BUFFER_BIT);
 
 	RenderListParameters render_list_params(render_list[RENDER_LIST_SECONDARY].elements.ptr(), render_list[RENDER_LIST_SECONDARY].elements.size(), false, 31, false);
@@ -2778,9 +2795,11 @@ void sky() {
 		glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
 	}
 
-#ifdef GLES_OVER_GL
-	glEnable(_EXT_TEXTURE_CUBE_MAP_SEAMLESS);
-#endif
+#ifdef GL_API_ENABLED
+	if (RasterizerGLES3::is_gles_over_gl()) {
+		glEnable(_EXT_TEXTURE_CUBE_MAP_SEAMLESS);
+	}
+#endif // GL_API_ENABLED
 
 	// MultiMesh may read from color when color is disabled, so make sure that the color defaults to white instead of black;
 	glVertexAttrib4f(RS::ARRAY_COLOR, 1.0, 1.0, 1.0, 1.0);

drivers/gles3/shader_gles3.cpp

@@ -36,6 +36,8 @@
 #include "core/io/dir_access.h"
 #include "core/io/file_access.h"
 
+#include "drivers/gles3/rasterizer_gles3.h"
+
 static String _mkid(const String &p_id) {
 	String id = "m_" + p_id.replace("__", "_dus_");
 	return id.replace("__", "_dus_"); //doubleunderscore is reserved in glsl
@@ -150,12 +152,12 @@ RID ShaderGLES3::version_create() {
 }
 
 void ShaderGLES3::_build_variant_code(StringBuilder &builder, uint32_t p_variant, const Version *p_version, StageType p_stage_type, uint64_t p_specialization) {
-#ifdef GLES_OVER_GL
-	builder.append("#version 330\n");
-	builder.append("#define USE_GLES_OVER_GL\n");
-#else
-	builder.append("#version 300 es\n");
-#endif
+	if (RasterizerGLES3::is_gles_over_gl()) {
+		builder.append("#version 330\n");
+		builder.append("#define USE_GLES_OVER_GL\n");
+	} else {
+		builder.append("#version 300 es\n");
+	}
 
 	for (int i = 0; i < specialization_count; i++) {
 		if (p_specialization & (uint64_t(1) << uint64_t(i))) {
@@ -199,11 +201,11 @@ void ShaderGLES3::_build_variant_code(StringBuilder &builder, uint32_t p_variant
 	// Default to highp precision unless specified otherwise.
 	builder.append("precision highp float;\n");
 	builder.append("precision highp int;\n");
-#ifndef GLES_OVER_GL
-	builder.append("precision highp sampler2D;\n");
-	builder.append("precision highp samplerCube;\n");
-	builder.append("precision highp sampler2DArray;\n");
-#endif
+	if (!RasterizerGLES3::is_gles_over_gl()) {
+		builder.append("precision highp sampler2D;\n");
+		builder.append("precision highp samplerCube;\n");
+		builder.append("precision highp sampler2DArray;\n");
+	}
 
 	const StageTemplate &stage_template = stage_templates[p_stage_type];
 	for (uint32_t i = 0; i < stage_template.chunks.size(); i++) {
@@ -510,6 +512,11 @@ String ShaderGLES3::_version_get_sha1(Version *p_version) const {
 		hash_build.append("[custom_defines:" + itos(i) + "]");
 		hash_build.append(p_version->custom_defines[i].get_data());
 	}
+	if (RasterizerGLES3::is_gles_over_gl()) {
+		hash_build.append("[gl]");
+	} else {
+		hash_build.append("[gles]");
+	}
 
 	return hash_build.as_string().sha1_text();
 }
@@ -523,8 +530,8 @@ bool ShaderGLES3::_load_from_cache(Version *p_version) {
 #ifdef WEB_ENABLED // not supported in webgl
 	return false;
 #else
-#ifdef GLES_OVER_GL
-	if (glProgramBinary == NULL) { // ARB_get_program_binary extension not available
+#if !defined(ANDROID_ENABLED) && !defined(IOS_ENABLED)
+	if (RasterizerGLES3::is_gles_over_gl() && (glProgramBinary == NULL)) { // ARB_get_program_binary extension not available.
 		return false;
 	}
 #endif
@@ -596,8 +603,8 @@ void ShaderGLES3::_save_to_cache(Version *p_version) {
 #ifdef WEB_ENABLED // not supported in webgl
 	return;
 #else
-#ifdef GLES_OVER_GL
-	if (glGetProgramBinary == NULL) { // ARB_get_program_binary extension not available
+#if !defined(ANDROID_ENABLED) && !defined(IOS_ENABLED)
+	if (RasterizerGLES3::is_gles_over_gl() && (glGetProgramBinary == NULL)) { // ARB_get_program_binary extension not available.
 		return;
 	}
 #endif

drivers/gles3/shader_gles3.h

@@ -43,13 +43,7 @@
 
 #ifdef GLES3_ENABLED
 
-// This must come first to avoid windows.h mess
-#include "platform_config.h"
-#ifndef OPENGL_INCLUDE_H
-#include <GLES3/gl3.h>
-#else
-#include OPENGL_INCLUDE_H
-#endif
+#include "platform_gl.h"
 
 #include <stdio.h>
 

drivers/gles3/storage/config.cpp

@@ -31,17 +31,9 @@
 #ifdef GLES3_ENABLED
 
 #include "config.h"
-#include "core/config/project_settings.h"
-#include "core/templates/vector.h"
 
-#ifdef ANDROID_ENABLED
-#include <GLES3/gl3.h>
-#include <GLES3/gl3ext.h>
-#include <GLES3/gl3platform.h>
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-#endif
+#include "../rasterizer_gles3.h"
+#include "texture_storage.h"
 
 using namespace GLES3;
 
@@ -69,24 +61,24 @@ Config::Config() {
 	astc_hdr_supported = extensions.has("GL_KHR_texture_compression_astc_ldr");
 	astc_layered_supported = extensions.has("GL_KHR_texture_compression_astc_sliced_3d");
 
-#ifdef GLES_OVER_GL
-	float_texture_supported = true;
-	etc2_supported = false;
-	s3tc_supported = true;
-	rgtc_supported = true; //RGTC - core since OpenGL version 3.0
-#else
-	float_texture_supported = extensions.has("GL_EXT_color_buffer_float");
-	etc2_supported = true;
+	if (RasterizerGLES3::is_gles_over_gl()) {
+		float_texture_supported = true;
+		etc2_supported = false;
+		s3tc_supported = true;
+		rgtc_supported = true; //RGTC - core since OpenGL version 3.0
+	} else {
+		float_texture_supported = extensions.has("GL_EXT_color_buffer_float");
+		etc2_supported = true;
 #if defined(ANDROID_ENABLED) || defined(IOS_ENABLED)
-	// Some Android devices report support for S3TC but we don't expect that and don't export the textures.
-	// This could be fixed but so few devices support it that it doesn't seem useful (and makes bigger APKs).
-	// For good measure we do the same hack for iOS, just in case.
-	s3tc_supported = false;
+		// Some Android devices report support for S3TC but we don't expect that and don't export the textures.
+		// This could be fixed but so few devices support it that it doesn't seem useful (and makes bigger APKs).
+		// For good measure we do the same hack for iOS, just in case.
+		s3tc_supported = false;
 #else
-	s3tc_supported = extensions.has("GL_EXT_texture_compression_dxt1") || extensions.has("GL_EXT_texture_compression_s3tc") || extensions.has("WEBGL_compressed_texture_s3tc");
-#endif
-	rgtc_supported = extensions.has("GL_EXT_texture_compression_rgtc") || extensions.has("GL_ARB_texture_compression_rgtc") || extensions.has("EXT_texture_compression_rgtc");
+		s3tc_supported = extensions.has("GL_EXT_texture_compression_dxt1") || extensions.has("GL_EXT_texture_compression_s3tc") || extensions.has("WEBGL_compressed_texture_s3tc");
 #endif
+		rgtc_supported = extensions.has("GL_EXT_texture_compression_rgtc") || extensions.has("GL_ARB_texture_compression_rgtc") || extensions.has("EXT_texture_compression_rgtc");
+	}
 
 	glGetInteger64v(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &max_vertex_texture_image_units);
 	glGetInteger64v(GL_MAX_TEXTURE_IMAGE_UNITS, &max_texture_image_units);

drivers/gles3/storage/config.h

@@ -33,16 +33,12 @@
 
 #ifdef GLES3_ENABLED
 
+#include "core/config/project_settings.h"
 #include "core/string/ustring.h"
 #include "core/templates/hash_set.h"
+#include "core/templates/vector.h"
 
-// This must come first to avoid windows.h mess
-#include "platform_config.h"
-#ifndef OPENGL_INCLUDE_H
-#include <GLES3/gl3.h>
-#else
-#include OPENGL_INCLUDE_H
-#endif
+#include "platform_gl.h"
 
 #ifdef ANDROID_ENABLED
 typedef void (*PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC)(GLenum, GLenum, GLuint, GLint, GLint, GLsizei);

drivers/gles3/storage/light_storage.h

@@ -33,6 +33,8 @@
 
 #ifdef GLES3_ENABLED
 
+#include "platform_gl.h"
+
 #include "core/templates/local_vector.h"
 #include "core/templates/rid_owner.h"
 #include "core/templates/self_list.h"
@@ -41,13 +43,6 @@
 #include "servers/rendering/storage/light_storage.h"
 #include "servers/rendering/storage/utilities.h"
 
-#include "platform_config.h"
-#ifndef OPENGL_INCLUDE_H
-#include <GLES3/gl3.h>
-#else
-#include OPENGL_INCLUDE_H
-#endif
-
 namespace GLES3 {
 
 /* LIGHT */

drivers/gles3/storage/mesh_storage.h

@@ -40,12 +40,7 @@
 #include "servers/rendering/storage/mesh_storage.h"
 #include "servers/rendering/storage/utilities.h"
 
-#include "platform_config.h"
-#ifndef OPENGL_INCLUDE_H
-#include <GLES3/gl3.h>
-#else
-#include OPENGL_INCLUDE_H
-#endif
+#include "platform_gl.h"
 
 namespace GLES3 {
 

drivers/gles3/storage/particles_storage.h

@@ -40,12 +40,7 @@
 #include "servers/rendering/storage/particles_storage.h"
 #include "servers/rendering/storage/utilities.h"
 
-#include "platform_config.h"
-#ifndef OPENGL_INCLUDE_H
-#include <GLES3/gl3.h>
-#else
-#include OPENGL_INCLUDE_H
-#endif
+#include "platform_gl.h"
 
 namespace GLES3 {
 

drivers/gles3/storage/render_scene_buffers_gles3.h

@@ -35,12 +35,7 @@
 
 #include "servers/rendering/storage/render_scene_buffers.h"
 
-#include "platform_config.h"
-#ifndef OPENGL_INCLUDE_H
-#include <GLES3/gl3.h>
-#else
-#include OPENGL_INCLUDE_H
-#endif
+#include "platform_gl.h"
 
 class RenderSceneBuffersGLES3 : public RenderSceneBuffers {
 	GDCLASS(RenderSceneBuffersGLES3, RenderSceneBuffers);

drivers/gles3/storage/texture_storage.cpp

@@ -31,8 +31,10 @@
 #ifdef GLES3_ENABLED
 
 #include "texture_storage.h"
+
+#include "../effects/copy_effects.h"
+#include "../rasterizer_gles3.h"
 #include "config.h"
-#include "drivers/gles3/effects/copy_effects.h"
 #include "utilities.h"
 
 #ifdef ANDROID_ENABLED
@@ -216,9 +218,11 @@ TextureStorage::TextureStorage() {
 		sdf_shader.shader_version = sdf_shader.shader.version_create();
 	}
 
-#ifdef GLES_OVER_GL
-	glEnable(GL_PROGRAM_POINT_SIZE);
-#endif
+#ifdef GL_API_ENABLED
+	if (RasterizerGLES3::is_gles_over_gl()) {
+		glEnable(GL_PROGRAM_POINT_SIZE);
+	}
+#endif // GL_API_ENABLED
 }
 
 TextureStorage::~TextureStorage() {
@@ -309,26 +313,26 @@ Ref<Image> TextureStorage::_get_gl_image_and_format(const Ref<Image> &p_image, I
 
 	switch (p_format) {
 		case Image::FORMAT_L8: {
-#ifdef GLES_OVER_GL
-			r_gl_internal_format = GL_R8;
-			r_gl_format = GL_RED;
-			r_gl_type = GL_UNSIGNED_BYTE;
-#else
-			r_gl_internal_format = GL_LUMINANCE;
-			r_gl_format = GL_LUMINANCE;
-			r_gl_type = GL_UNSIGNED_BYTE;
-#endif
+			if (RasterizerGLES3::is_gles_over_gl()) {
+				r_gl_internal_format = GL_R8;
+				r_gl_format = GL_RED;
+				r_gl_type = GL_UNSIGNED_BYTE;
+			} else {
+				r_gl_internal_format = GL_LUMINANCE;
+				r_gl_format = GL_LUMINANCE;
+				r_gl_type = GL_UNSIGNED_BYTE;
+			}
 		} break;
 		case Image::FORMAT_LA8: {
-#ifdef GLES_OVER_GL
-			r_gl_internal_format = GL_RG8;
-			r_gl_format = GL_RG;
-			r_gl_type = GL_UNSIGNED_BYTE;
-#else
-			r_gl_internal_format = GL_LUMINANCE_ALPHA;
-			r_gl_format = GL_LUMINANCE_ALPHA;
-			r_gl_type = GL_UNSIGNED_BYTE;
-#endif
+			if (RasterizerGLES3::is_gles_over_gl()) {
+				r_gl_internal_format = GL_RG8;
+				r_gl_format = GL_RG;
+				r_gl_type = GL_UNSIGNED_BYTE;
+			} else {
+				r_gl_internal_format = GL_LUMINANCE_ALPHA;
+				r_gl_format = GL_LUMINANCE_ALPHA;
+				r_gl_type = GL_UNSIGNED_BYTE;
+			}
 		} break;
 		case Image::FORMAT_R8: {
 			r_gl_internal_format = GL_R8;
@@ -946,105 +950,109 @@ Ref<Image> TextureStorage::texture_2d_get(RID p_texture) const {
 	}
 #endif
 
-#ifdef GLES_OVER_GL
-	// OpenGL 3.3 supports glGetTexImage which is faster and simpler than glReadPixels.
-	// It also allows for reading compressed textures, mipmaps, and more formats.
-	Vector<uint8_t> data;
+	Ref<Image> image;
+#ifdef GL_API_ENABLED
+	if (RasterizerGLES3::is_gles_over_gl()) {
+		// OpenGL 3.3 supports glGetTexImage which is faster and simpler than glReadPixels.
+		// It also allows for reading compressed textures, mipmaps, and more formats.
+		Vector<uint8_t> data;
 
-	int data_size = Image::get_image_data_size(texture->alloc_width, texture->alloc_height, texture->real_format, texture->mipmaps > 1);
+		int data_size = Image::get_image_data_size(texture->alloc_width, texture->alloc_height, texture->real_format, texture->mipmaps > 1);
 
-	data.resize(data_size * 2); //add some memory at the end, just in case for buggy drivers
-	uint8_t *w = data.ptrw();
+		data.resize(data_size * 2); // Add some memory at the end, just in case for buggy drivers.
+		uint8_t *w = data.ptrw();
 
-	glActiveTexture(GL_TEXTURE0);
+		glActiveTexture(GL_TEXTURE0);
 
-	glBindTexture(texture->target, texture->tex_id);
+		glBindTexture(texture->target, texture->tex_id);
 
-	glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+		glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
 
-	for (int i = 0; i < texture->mipmaps; i++) {
-		int ofs = Image::get_image_mipmap_offset(texture->alloc_width, texture->alloc_height, texture->real_format, i);
+		for (int i = 0; i < texture->mipmaps; i++) {
+			int ofs = Image::get_image_mipmap_offset(texture->alloc_width, texture->alloc_height, texture->real_format, i);
 
-		if (texture->compressed) {
-			glPixelStorei(GL_PACK_ALIGNMENT, 4);
-			glGetCompressedTexImage(texture->target, i, &w[ofs]);
+			if (texture->compressed) {
+				glPixelStorei(GL_PACK_ALIGNMENT, 4);
+				glGetCompressedTexImage(texture->target, i, &w[ofs]);
 
-		} else {
-			glPixelStorei(GL_PACK_ALIGNMENT, 1);
+			} else {
+				glPixelStorei(GL_PACK_ALIGNMENT, 1);
 
-			glGetTexImage(texture->target, i, texture->gl_format_cache, texture->gl_type_cache, &w[ofs]);
+				glGetTexImage(texture->target, i, texture->gl_format_cache, texture->gl_type_cache, &w[ofs]);
+			}
+		}
+
+		data.resize(data_size);
+
+		ERR_FAIL_COND_V(data.size() == 0, Ref<Image>());
+		image = Image::create_from_data(texture->width, texture->height, texture->mipmaps > 1, texture->real_format, data);
+		ERR_FAIL_COND_V(image->is_empty(), Ref<Image>());
+		if (texture->format != texture->real_format) {
+			image->convert(texture->format);
 		}
 	}
+#endif // GL_API_ENABLED
+#ifdef GLES_API_ENABLED
+	if (!RasterizerGLES3::is_gles_over_gl()) {
+		Vector<uint8_t> data;
 
-	data.resize(data_size);
+		// On web and mobile we always read an RGBA8 image with no mipmaps.
+		int data_size = Image::get_image_data_size(texture->alloc_width, texture->alloc_height, Image::FORMAT_RGBA8, false);
 
-	ERR_FAIL_COND_V(data.size() == 0, Ref<Image>());
-	Ref<Image> image = Image::create_from_data(texture->width, texture->height, texture->mipmaps > 1, texture->real_format, data);
-	ERR_FAIL_COND_V(image->is_empty(), Ref<Image>());
-	if (texture->format != texture->real_format) {
-		image->convert(texture->format);
+		data.resize(data_size * 2); // Add some memory at the end, just in case for buggy drivers.
+		uint8_t *w = data.ptrw();
+
+		GLuint temp_framebuffer;
+		glGenFramebuffers(1, &temp_framebuffer);
+
+		GLuint temp_color_texture;
+		glGenTextures(1, &temp_color_texture);
+
+		glBindFramebuffer(GL_FRAMEBUFFER, temp_framebuffer);
+
+		glBindTexture(GL_TEXTURE_2D, temp_color_texture);
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texture->alloc_width, texture->alloc_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, temp_color_texture, 0);
+
+		glDepthMask(GL_FALSE);
+		glDisable(GL_DEPTH_TEST);
+		glDisable(GL_CULL_FACE);
+		glDisable(GL_BLEND);
+		glDepthFunc(GL_LEQUAL);
+		glColorMask(1, 1, 1, 1);
+		glActiveTexture(GL_TEXTURE0);
+		glBindTexture(GL_TEXTURE_2D, texture->tex_id);
+
+		glViewport(0, 0, texture->alloc_width, texture->alloc_height);
+		glClearColor(0.0, 0.0, 0.0, 0.0);
+		glClear(GL_COLOR_BUFFER_BIT);
+
+		CopyEffects::get_singleton()->copy_to_rect(Rect2i(0, 0, 1.0, 1.0));
+
+		glReadPixels(0, 0, texture->alloc_width, texture->alloc_height, GL_RGBA, GL_UNSIGNED_BYTE, &w[0]);
+
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		glDeleteTextures(1, &temp_color_texture);
+		glDeleteFramebuffers(1, &temp_framebuffer);
+
+		data.resize(data_size);
+
+		ERR_FAIL_COND_V(data.size() == 0, Ref<Image>());
+		image = Image::create_from_data(texture->width, texture->height, false, Image::FORMAT_RGBA8, data);
+		ERR_FAIL_COND_V(image->is_empty(), Ref<Image>());
+
+		if (texture->format != Image::FORMAT_RGBA8) {
+			image->convert(texture->format);
+		}
+
+		if (texture->mipmaps > 1) {
+			image->generate_mipmaps();
+		}
 	}
-#else
-
-	Vector<uint8_t> data;
-
-	// On web and mobile we always read an RGBA8 image with no mipmaps.
-	int data_size = Image::get_image_data_size(texture->alloc_width, texture->alloc_height, Image::FORMAT_RGBA8, false);
-
-	data.resize(data_size * 2); //add some memory at the end, just in case for buggy drivers
-	uint8_t *w = data.ptrw();
-
-	GLuint temp_framebuffer;
-	glGenFramebuffers(1, &temp_framebuffer);
-
-	GLuint temp_color_texture;
-	glGenTextures(1, &temp_color_texture);
-
-	glBindFramebuffer(GL_FRAMEBUFFER, temp_framebuffer);
-
-	glBindTexture(GL_TEXTURE_2D, temp_color_texture);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texture->alloc_width, texture->alloc_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
-
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, temp_color_texture, 0);
-
-	glDepthMask(GL_FALSE);
-	glDisable(GL_DEPTH_TEST);
-	glDisable(GL_CULL_FACE);
-	glDisable(GL_BLEND);
-	glDepthFunc(GL_LEQUAL);
-	glColorMask(1, 1, 1, 1);
-	glActiveTexture(GL_TEXTURE0);
-	glBindTexture(GL_TEXTURE_2D, texture->tex_id);
-
-	glViewport(0, 0, texture->alloc_width, texture->alloc_height);
-	glClearColor(0.0, 0.0, 0.0, 0.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-
-	CopyEffects::get_singleton()->copy_to_rect(Rect2i(0, 0, 1.0, 1.0));
-
-	glReadPixels(0, 0, texture->alloc_width, texture->alloc_height, GL_RGBA, GL_UNSIGNED_BYTE, &w[0]);
-
-	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-	glDeleteTextures(1, &temp_color_texture);
-	glDeleteFramebuffers(1, &temp_framebuffer);
-
-	data.resize(data_size);
-
-	ERR_FAIL_COND_V(data.size() == 0, Ref<Image>());
-	Ref<Image> image = Image::create_from_data(texture->width, texture->height, false, Image::FORMAT_RGBA8, data);
-	ERR_FAIL_COND_V(image->is_empty(), Ref<Image>());
-
-	if (texture->format != Image::FORMAT_RGBA8) {
-		image->convert(texture->format);
-	}
-
-	if (texture->mipmaps > 1) {
-		image->generate_mipmaps();
-	}
-
-#endif
+#endif // GLES_API_ENABLED
 
 #ifdef TOOLS_ENABLED
 	if (Engine::get_singleton()->is_editor_hint() && !texture->is_render_target) {
@@ -1254,21 +1262,32 @@ void TextureStorage::_texture_set_data(RID p_texture, const Ref<Image> &p_image,
 
 #ifndef WEB_ENABLED
 	switch (texture->format) {
-#ifdef GLES_OVER_GL
 		case Image::FORMAT_L8: {
-			glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
-			glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_RED);
-			glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_RED);
-			glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_ONE);
+			if (RasterizerGLES3::is_gles_over_gl()) {
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_RED);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_RED);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_ONE);
+			} else {
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
+			}
 		} break;
 		case Image::FORMAT_LA8: {
-			glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
-			glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_RED);
-			glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_RED);
-			glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_GREEN);
+			if (RasterizerGLES3::is_gles_over_gl()) {
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_RED);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_RED);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_GREEN);
+			} else {
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
+				glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
+			}
 		} break;
-#endif // GLES3_OVER_GL
-
 		case Image::FORMAT_ETC2_RA_AS_RG:
 		case Image::FORMAT_DXT5_RA_AS_RG: {
 			glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);

drivers/gles3/storage/texture_storage.h

@@ -33,6 +33,8 @@
 
 #ifdef GLES3_ENABLED
 
+#include "platform_gl.h"
+
 #include "config.h"
 #include "core/os/os.h"
 #include "core/templates/rid_owner.h"
@@ -41,14 +43,6 @@
 
 #include "drivers/gles3/shaders/canvas_sdf.glsl.gen.h"
 
-// This must come first to avoid windows.h mess
-#include "platform_config.h"
-#ifndef OPENGL_INCLUDE_H
-#include <GLES3/gl3.h>
-#else
-#include OPENGL_INCLUDE_H
-#endif
-
 namespace GLES3 {
 
 #define _GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
@@ -118,10 +112,6 @@ namespace GLES3 {
 
 #define _EXT_TEXTURE_CUBE_MAP_SEAMLESS 0x884F
 
-#ifndef GLES_OVER_GL
-#define glClearDepth glClearDepthf
-#endif //!GLES_OVER_GL
-
 enum DefaultGLTexture {
 	DEFAULT_GL_TEXTURE_WHITE,
 	DEFAULT_GL_TEXTURE_BLACK,
@@ -679,7 +669,7 @@ public:
 };
 
 inline String TextureStorage::get_framebuffer_error(GLenum p_status) {
-#if defined(DEBUG_ENABLED) && defined(GLES_OVER_GL)
+#if defined(DEBUG_ENABLED) && defined(GL_API_ENABLED)
 	if (p_status == GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT) {
 		return "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT";
 	} else if (p_status == GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT) {

drivers/gles3/storage/utilities.cpp

@@ -31,6 +31,8 @@
 #ifdef GLES3_ENABLED
 
 #include "utilities.h"
+
+#include "../rasterizer_gles3.h"
 #include "config.h"
 #include "light_storage.h"
 #include "material_storage.h"
@@ -253,9 +255,11 @@ void Utilities::capture_timestamps_begin() {
 void Utilities::capture_timestamp(const String &p_name) {
 	ERR_FAIL_COND(frames[frame].timestamp_count >= max_timestamp_query_elements);
 
-#ifdef GLES_OVER_GL
-	glQueryCounter(frames[frame].queries[frames[frame].timestamp_count], GL_TIMESTAMP);
-#endif
+#ifdef GL_API_ENABLED
+	if (RasterizerGLES3::is_gles_over_gl()) {
+		glQueryCounter(frames[frame].queries[frames[frame].timestamp_count], GL_TIMESTAMP);
+	}
+#endif // GL_API_ENABLED
 
 	frames[frame].timestamp_names[frames[frame].timestamp_count] = p_name;
 	frames[frame].timestamp_cpu_values[frames[frame].timestamp_count] = OS::get_singleton()->get_ticks_usec();
@@ -265,13 +269,15 @@ void Utilities::capture_timestamp(const String &p_name) {
 void Utilities::_capture_timestamps_begin() {
 	// frame is incremented at the end of the frame so this gives us the queries for frame - 2. By then they should be ready.
 	if (frames[frame].timestamp_count) {
-#ifdef GLES_OVER_GL
-		for (uint32_t i = 0; i < frames[frame].timestamp_count; i++) {
-			uint64_t temp = 0;
-			glGetQueryObjectui64v(frames[frame].queries[i], GL_QUERY_RESULT, &temp);
-			frames[frame].timestamp_result_values[i] = temp;
+#ifdef GL_API_ENABLED
+		if (RasterizerGLES3::is_gles_over_gl()) {
+			for (uint32_t i = 0; i < frames[frame].timestamp_count; i++) {
+				uint64_t temp = 0;
+				glGetQueryObjectui64v(frames[frame].queries[i], GL_QUERY_RESULT, &temp);
+				frames[frame].timestamp_result_values[i] = temp;
+			}
 		}
-#endif
+#endif // GL_API_ENABLED
 		SWAP(frames[frame].timestamp_names, frames[frame].timestamp_result_names);
 		SWAP(frames[frame].timestamp_cpu_values, frames[frame].timestamp_cpu_result_values);
 	}

drivers/gles3/storage/utilities.h

@@ -35,12 +35,7 @@
 
 #include "servers/rendering/storage/utilities.h"
 
-#include "platform_config.h"
-#ifndef OPENGL_INCLUDE_H
-#include <GLES3/gl3.h>
-#else
-#include OPENGL_INCLUDE_H
-#endif
+#include "platform_gl.h"
 
 namespace GLES3 {
 

main/main.cpp

@@ -1683,7 +1683,7 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 	}
 	if (bool(GLOBAL_GET("application/run/disable_stderr"))) {
 		CoreGlobals::print_error_enabled = false;
-	};
+	}
 
 	if (quiet_stdout) {
 		CoreGlobals::print_line_enabled = false;
@@ -1708,21 +1708,26 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/rendering_device/driver.android", PROPERTY_HINT_ENUM, driver_hints), default_driver);
 		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/rendering_device/driver.ios", PROPERTY_HINT_ENUM, driver_hints), default_driver);
 		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/rendering_device/driver.macos", PROPERTY_HINT_ENUM, driver_hints), default_driver);
+	}
 
-		driver_hints = "";
+	{
+		String driver_hints = "";
+		String driver_hints_angle = "";
 #ifdef GLES3_ENABLED
-		driver_hints += "opengl3";
+		driver_hints = "opengl3";
+		driver_hints_angle = "opengl3,opengl3_angle";
 #endif
 
-		default_driver = driver_hints.get_slice(",", 0);
+		String default_driver = driver_hints.get_slice(",", 0);
 
 		GLOBAL_DEF("rendering/gl_compatibility/driver", default_driver);
-		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/gl_compatibility/driver.windows", PROPERTY_HINT_ENUM, driver_hints), default_driver);
+		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/gl_compatibility/driver.windows", PROPERTY_HINT_ENUM, driver_hints_angle), default_driver);
 		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/gl_compatibility/driver.linuxbsd", PROPERTY_HINT_ENUM, driver_hints), default_driver);
 		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/gl_compatibility/driver.web", PROPERTY_HINT_ENUM, driver_hints), default_driver);
 		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/gl_compatibility/driver.android", PROPERTY_HINT_ENUM, driver_hints), default_driver);
 		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/gl_compatibility/driver.ios", PROPERTY_HINT_ENUM, driver_hints), default_driver);
-		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/gl_compatibility/driver.macos", PROPERTY_HINT_ENUM, driver_hints), default_driver);
+		GLOBAL_DEF(PropertyInfo(Variant::STRING, "rendering/gl_compatibility/driver.macos", PROPERTY_HINT_ENUM, driver_hints_angle), default_driver);
+
 		GLOBAL_DEF_RST("rendering/gl_compatibility/nvidia_disable_threaded_optimization", true);
 	}
 
@@ -1797,7 +1802,7 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 
 		// Set a default renderer if none selected. Try to choose one that matches the driver.
 		if (rendering_method.is_empty()) {
-			if (rendering_driver == "opengl3") {
+			if (rendering_driver == "opengl3" || rendering_driver == "opengl3_angle") {
 				rendering_method = "gl_compatibility";
 			} else {
 				rendering_method = "forward_plus";
@@ -1815,6 +1820,7 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 #ifdef GLES3_ENABLED
 		if (rendering_method == "gl_compatibility") {
 			available_drivers.push_back("opengl3");
+			available_drivers.push_back("opengl3_angle");
 		}
 #endif
 		if (available_drivers.is_empty()) {

misc/scripts/header_guards.sh

@@ -19,7 +19,7 @@ for file in $files; do
   # Skip *.gen.h and *-so_wrap.h, they're generated.
   if [[ "$file" == *".gen.h" || "$file" == *"-so_wrap.h" ]]; then continue; fi
   # Has important define before normal header guards.
-  if [[ "$file" == *"thread.h" || "$file" == *"platform_config.h" ]]; then continue; fi
+  if [[ "$file" == *"thread.h" || "$file" == *"platform_config.h" || "$file" == *"platform_gl.h" ]]; then continue; fi
   # Obj-C files don't use header guards.
   if grep -q "#import " "$file"; then continue; fi
 

misc/scripts/mypy.ini

@@ -9,3 +9,4 @@ warn_unreachable = True
 
 namespace_packages = True
 explicit_package_bases = True
+exclude = (?x)(^thirdparty)

modules/openxr/extensions/openxr_opengl_extension.h

@@ -56,7 +56,6 @@
 #endif
 
 #ifdef X11_ENABLED
-#include OPENGL_INCLUDE_H
 #define GL_GLEXT_PROTOTYPES 1
 #define GL3_PROTOTYPES 1
 #include "thirdparty/glad/glad/gl.h"

modules/openxr/openxr_api.cpp

@@ -59,7 +59,6 @@
 #define XR_USE_GRAPHICS_API_OPENGL
 #endif // ANDROID_ENABLED
 #ifdef X11_ENABLED
-#include OPENGL_INCLUDE_H
 #define GL_GLEXT_PROTOTYPES 1
 #define GL3_PROTOTYPES 1
 #include "thirdparty/glad/glad/gl.h"

platform/android/display_server_android.cpp

@@ -543,7 +543,7 @@ DisplayServerAndroid::DisplayServerAndroid(const String &p_rendering_driver, Dis
 
 #if defined(GLES3_ENABLED)
 	if (rendering_driver == "opengl3") {
-		RasterizerGLES3::make_current();
+		RasterizerGLES3::make_current(false);
 	}
 #endif
 

platform/android/platform_gl.h

@@ -0,0 +1,43 @@
+/**************************************************************************/
+/*  platform_gl.h                                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef PLATFORM_GL_H
+#define PLATFORM_GL_H
+
+#ifndef GLES_API_ENABLED
+#define GLES_API_ENABLED // Allow using GLES.
+#endif
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES3/gl3.h>
+#include <GLES3/gl3ext.h>
+
+#endif // PLATFORM_GL_H

platform/ios/display_server_ios.mm

@@ -103,7 +103,7 @@ DisplayServerIOS::DisplayServerIOS(const String &p_rendering_driver, WindowMode
 			ERR_FAIL_MSG("Failed to create iOS OpenGLES rendering layer.");
 		}
 
-		RasterizerGLES3::make_current();
+		RasterizerGLES3::make_current(false);
 	}
 #endif
 

platform/ios/platform_config.h

@@ -30,8 +30,6 @@
 
 #include <alloca.h>
 
-#define OPENGL_INCLUDE_H <ES3/gl.h>
-
 #define PTHREAD_RENAME_SELF
 
 #define _weakify(var) __weak typeof(var) GDWeak_##var = var;

platform/ios/platform_gl.h

@@ -0,0 +1,40 @@
+/**************************************************************************/
+/*  platform_gl.h                                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef PLATFORM_GL_H
+#define PLATFORM_GL_H
+
+#ifndef GLES_API_ENABLED
+#define GLES_API_ENABLED // Allow using GLES.
+#endif
+
+#include <ES3/gl.h>
+
+#endif // PLATFORM_GL_H

platform/linuxbsd/platform_config.h

@@ -43,5 +43,3 @@
 #define PTHREAD_BSD_SET_NAME
 #endif
 #endif
-
-#define OPENGL_INCLUDE_H "thirdparty/glad/glad/gl.h"

platform/linuxbsd/platform_gl.h

@@ -0,0 +1,41 @@
+/**************************************************************************/
+/*  platform_gl.h                                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef PLATFORM_GL_H
+#define PLATFORM_GL_H
+
+#ifndef GL_API_ENABLED
+#define GL_API_ENABLED // Allow using desktop GL.
+#endif
+
+#include "thirdparty/glad/glad/egl.h"
+#include "thirdparty/glad/glad/gl.h"
+
+#endif // PLATFORM_GL_H

platform/linuxbsd/x11/display_server_x11.cpp

@@ -5821,7 +5821,7 @@ DisplayServerX11::DisplayServerX11(const String &p_rendering_driver, WindowMode
 		driver_found = true;
 
 		if (true) {
-			RasterizerGLES3::make_current();
+			RasterizerGLES3::make_current(true);
 		} else {
 			memdelete(gl_manager);
 			gl_manager = nullptr;

platform/linuxbsd/x11/gl_manager_x11.cpp

@@ -368,6 +368,7 @@ void GLManager_X11::set_use_vsync(bool p_use) {
 		GLXDrawable drawable = glXGetCurrentDrawable();
 		glXSwapIntervalEXT(disp.x11_display, drawable, val);
 	} else {
+		WARN_PRINT("Could not set V-Sync mode. V-Sync is not supported.");
 		return;
 	}
 	use_vsync = p_use;

platform/macos/SCsub

@@ -24,6 +24,7 @@ files = [
     "tts_macos.mm",
     "joypad_macos.cpp",
     "vulkan_context_macos.mm",
+    "gl_manager_macos_angle.mm",
     "gl_manager_macos_legacy.mm",
 ]
 

platform/macos/detect.py

@@ -32,6 +32,7 @@ def get_opts():
         BoolVariable("use_asan", "Use LLVM/GCC compiler address sanitizer (ASAN)", False),
         BoolVariable("use_tsan", "Use LLVM/GCC compiler thread sanitizer (TSAN)", False),
         BoolVariable("use_coverage", "Use instrumentation codes in the binary (e.g. for code coverage)", False),
+        ("angle_libs", "Path to the ANGLE static libraries", ""),
     ]
 
 
@@ -255,7 +256,13 @@ def configure(env: "Environment"):
 
     if env["opengl3"]:
         env.Append(CPPDEFINES=["GLES3_ENABLED"])
-        env.Append(LINKFLAGS=["-framework", "OpenGL"])
+        if env["angle_libs"] != "":
+            env.AppendUnique(CPPDEFINES=["EGL_STATIC"])
+            env.Append(LINKFLAGS=["-L" + env["angle_libs"]])
+            env.Append(LINKFLAGS=["-lANGLE.macos." + env["arch"]])
+            env.Append(LINKFLAGS=["-lEGL.macos." + env["arch"]])
+            env.Append(LINKFLAGS=["-lGLES.macos." + env["arch"]])
+        env.Prepend(CPPPATH=["#thirdparty/angle/include"])
 
     env.Append(LINKFLAGS=["-rpath", "@executable_path/../Frameworks", "-rpath", "@executable_path"])
 

platform/macos/display_server_macos.h

@@ -35,6 +35,7 @@
 #include "servers/display_server.h"
 
 #if defined(GLES3_ENABLED)
+#include "gl_manager_macos_angle.h"
 #include "gl_manager_macos_legacy.h"
 #endif // GLES3_ENABLED
 
@@ -127,7 +128,8 @@ public:
 
 private:
 #if defined(GLES3_ENABLED)
-	GLManager_MacOS *gl_manager = nullptr;
+	GLManagerLegacy_MacOS *gl_manager_legacy = nullptr;
+	GLManagerANGLE_MacOS *gl_manager_angle = nullptr;
 #endif
 #if defined(VULKAN_ENABLED)
 	VulkanContextMacOS *context_vulkan = nullptr;
@@ -244,7 +246,6 @@ public:
 	void mouse_enter_window(WindowID p_window);
 	void mouse_exit_window(WindowID p_window);
 
-	void window_update(WindowID p_window);
 	void window_destroy(WindowID p_window);
 	void window_resize(WindowID p_window, int p_width, int p_height);
 	void window_set_custom_window_buttons(WindowData &p_wd, bool p_enabled);

platform/macos/display_server_macos.mm

@@ -185,9 +185,13 @@ DisplayServerMacOS::WindowID DisplayServerMacOS::_create_window(WindowMode p_mod
 		}
 #endif
 #if defined(GLES3_ENABLED)
-		if (gl_manager) {
-			Error err = gl_manager->window_create(window_id_counter, wd.window_view, p_rect.size.width, p_rect.size.height);
-			ERR_FAIL_COND_V_MSG(err != OK, INVALID_WINDOW_ID, "Can't create an OpenGL context");
+		if (gl_manager_legacy) {
+			Error err = gl_manager_legacy->window_create(window_id_counter, wd.window_view, p_rect.size.width, p_rect.size.height);
+			ERR_FAIL_COND_V_MSG(err != OK, INVALID_WINDOW_ID, "Can't create an OpenGL context.");
+		}
+		if (gl_manager_angle) {
+			Error err = gl_manager_angle->window_create(window_id_counter, nullptr, (__bridge void *)[wd.window_view layer], p_rect.size.width, p_rect.size.height);
+			ERR_FAIL_COND_V_MSG(err != OK, INVALID_WINDOW_ID, "Can't create an OpenGL context.");
 		}
 		window_set_vsync_mode(p_vsync_mode, window_id_counter);
 #endif
@@ -219,8 +223,11 @@ DisplayServerMacOS::WindowID DisplayServerMacOS::_create_window(WindowMode p_mod
 	}
 
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->window_resize(id, wd.size.width, wd.size.height);
+	if (gl_manager_legacy) {
+		gl_manager_legacy->window_resize(id, wd.size.width, wd.size.height);
+	}
+	if (gl_manager_angle) {
+		gl_manager_angle->window_resize(id, wd.size.width, wd.size.height);
 	}
 #endif
 #if defined(VULKAN_ENABLED)
@@ -279,8 +286,8 @@ void DisplayServerMacOS::_set_window_per_pixel_transparency_enabled(bool p_enabl
 				[layer setOpaque:NO];
 			}
 #if defined(GLES3_ENABLED)
-			if (gl_manager) {
-				gl_manager->window_set_per_pixel_transparency_enabled(p_window, true);
+			if (gl_manager_legacy) {
+				gl_manager_legacy->window_set_per_pixel_transparency_enabled(p_window, true);
 			}
 #endif
 			wd.layered_window = true;
@@ -299,8 +306,8 @@ void DisplayServerMacOS::_set_window_per_pixel_transparency_enabled(bool p_enabl
 				[layer setOpaque:YES];
 			}
 #if defined(GLES3_ENABLED)
-			if (gl_manager) {
-				gl_manager->window_set_per_pixel_transparency_enabled(p_window, false);
+			if (gl_manager_legacy) {
+				gl_manager_legacy->window_set_per_pixel_transparency_enabled(p_window, false);
 			}
 #endif
 			wd.layered_window = false;
@@ -730,18 +737,10 @@ bool DisplayServerMacOS::get_is_resizing() const {
 	return is_resizing;
 }
 
-void DisplayServerMacOS::window_update(WindowID p_window) {
-#if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->window_update(p_window);
-	}
-#endif
-}
-
 void DisplayServerMacOS::window_destroy(WindowID p_window) {
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->window_destroy(p_window);
+	if (gl_manager_legacy) {
+		gl_manager_legacy->window_destroy(p_window);
 	}
 #endif
 #ifdef VULKAN_ENABLED
@@ -754,8 +753,11 @@ void DisplayServerMacOS::window_destroy(WindowID p_window) {
 
 void DisplayServerMacOS::window_resize(WindowID p_window, int p_width, int p_height) {
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->window_resize(p_window, p_width, p_height);
+	if (gl_manager_legacy) {
+		gl_manager_legacy->window_resize(p_window, p_width, p_height);
+	}
+	if (gl_manager_angle) {
+		gl_manager_angle->window_resize(p_window, p_width, p_height);
 	}
 #endif
 #if defined(VULKAN_ENABLED)
@@ -3370,8 +3372,11 @@ int64_t DisplayServerMacOS::window_get_native_handle(HandleType p_handle_type, W
 		}
 #ifdef GLES3_ENABLED
 		case OPENGL_CONTEXT: {
-			if (gl_manager) {
-				return (int64_t)gl_manager->get_context(p_window);
+			if (gl_manager_legacy) {
+				return (int64_t)gl_manager_legacy->get_context(p_window);
+			}
+			if (gl_manager_angle) {
+				return (int64_t)gl_manager_angle->get_context(p_window);
 			}
 			return 0;
 		}
@@ -3398,8 +3403,11 @@ ObjectID DisplayServerMacOS::window_get_attached_instance_id(WindowID p_window)
 
 void DisplayServerMacOS::gl_window_make_current(DisplayServer::WindowID p_window_id) {
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->window_make_current(p_window_id);
+	if (gl_manager_legacy) {
+		gl_manager_legacy->window_make_current(p_window_id);
+	}
+	if (gl_manager_angle) {
+		gl_manager_angle->window_make_current(p_window_id);
 	}
 #endif
 }
@@ -3407,8 +3415,11 @@ void DisplayServerMacOS::gl_window_make_current(DisplayServer::WindowID p_window
 void DisplayServerMacOS::window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_mode, WindowID p_window) {
 	_THREAD_SAFE_METHOD_
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->set_use_vsync(p_vsync_mode != DisplayServer::VSYNC_DISABLED);
+	if (gl_manager_angle) {
+		gl_manager_angle->set_use_vsync(p_vsync_mode != DisplayServer::VSYNC_DISABLED);
+	}
+	if (gl_manager_legacy) {
+		gl_manager_legacy->set_use_vsync(p_vsync_mode != DisplayServer::VSYNC_DISABLED);
 	}
 #endif
 #if defined(VULKAN_ENABLED)
@@ -3421,8 +3432,11 @@ void DisplayServerMacOS::window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_
 DisplayServer::VSyncMode DisplayServerMacOS::window_get_vsync_mode(WindowID p_window) const {
 	_THREAD_SAFE_METHOD_
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		return (gl_manager->is_using_vsync() ? DisplayServer::VSyncMode::VSYNC_ENABLED : DisplayServer::VSyncMode::VSYNC_DISABLED);
+	if (gl_manager_angle) {
+		return (gl_manager_angle->is_using_vsync() ? DisplayServer::VSyncMode::VSYNC_ENABLED : DisplayServer::VSyncMode::VSYNC_DISABLED);
+	}
+	if (gl_manager_legacy) {
+		return (gl_manager_legacy->is_using_vsync() ? DisplayServer::VSyncMode::VSYNC_ENABLED : DisplayServer::VSyncMode::VSYNC_DISABLED);
 	}
 #endif
 #if defined(VULKAN_ENABLED)
@@ -3805,8 +3819,11 @@ void DisplayServerMacOS::make_rendering_thread() {
 
 void DisplayServerMacOS::swap_buffers() {
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->swap_buffers();
+	if (gl_manager_angle) {
+		gl_manager_angle->swap_buffers();
+	}
+	if (gl_manager_legacy) {
+		gl_manager_legacy->swap_buffers();
 	}
 #endif
 }
@@ -3917,6 +3934,7 @@ Vector<String> DisplayServerMacOS::get_rendering_drivers_func() {
 #endif
 #if defined(GLES3_ENABLED)
 	drivers.push_back("opengl3");
+	drivers.push_back("opengl3_angle");
 #endif
 
 	return drivers;
@@ -4155,13 +4173,22 @@ DisplayServerMacOS::DisplayServerMacOS(const String &p_rendering_driver, WindowM
 
 #if defined(GLES3_ENABLED)
 	if (rendering_driver == "opengl3") {
-		GLManager_MacOS::ContextType opengl_api_type = GLManager_MacOS::GLES_3_0_COMPATIBLE;
-		gl_manager = memnew(GLManager_MacOS(opengl_api_type));
-		if (gl_manager->initialize() != OK) {
-			memdelete(gl_manager);
-			gl_manager = nullptr;
+		gl_manager_legacy = memnew(GLManagerLegacy_MacOS);
+		if (gl_manager_legacy->initialize() != OK) {
+			memdelete(gl_manager_legacy);
+			gl_manager_legacy = nullptr;
 			r_error = ERR_UNAVAILABLE;
-			ERR_FAIL_MSG("Could not initialize OpenGL");
+			ERR_FAIL_MSG("Could not initialize OpenGL.");
+			return;
+		}
+	}
+	if (rendering_driver == "opengl3_angle") {
+		gl_manager_angle = memnew(GLManagerANGLE_MacOS);
+		if (gl_manager_angle->initialize() != OK) {
+			memdelete(gl_manager_angle);
+			gl_manager_angle = nullptr;
+			r_error = ERR_UNAVAILABLE;
+			ERR_FAIL_MSG("Could not initialize OpenGL.");
 		}
 	}
 #endif
@@ -4199,7 +4226,10 @@ DisplayServerMacOS::DisplayServerMacOS(const String &p_rendering_driver, WindowM
 
 #if defined(GLES3_ENABLED)
 	if (rendering_driver == "opengl3") {
-		RasterizerGLES3::make_current();
+		RasterizerGLES3::make_current(true);
+	}
+	if (rendering_driver == "opengl3_angle") {
+		RasterizerGLES3::make_current(false);
 	}
 #endif
 #if defined(VULKAN_ENABLED)
@@ -4230,9 +4260,13 @@ DisplayServerMacOS::~DisplayServerMacOS() {
 
 	// Destroy drivers.
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		memdelete(gl_manager);
-		gl_manager = nullptr;
+	if (gl_manager_legacy) {
+		memdelete(gl_manager_legacy);
+		gl_manager_legacy = nullptr;
+	}
+	if (gl_manager_angle) {
+		memdelete(gl_manager_angle);
+		gl_manager_angle = nullptr;
 	}
 #endif
 #if defined(VULKAN_ENABLED)

platform/macos/doc_classes/EditorExportPlatformMacOS.xml

@@ -22,6 +22,9 @@
 		<member name="application/copyright_localized" type="Dictionary" setter="" getter="">
 			Copyright notice for the bundle visible to the user (localized).
 		</member>
+		<member name="application/export_angle" type="int" setter="" getter="">
+			If set to [code]1[/code], ANGLE libraries are exported with the exported application. If set to [code]0[/code], ANGLE libraries are exported only if [member ProjectSettings.rendering/gl_compatibility/driver] is set to [code]"opengl3_angle"[/code].
+		</member>
 		<member name="application/icon" type="String" setter="" getter="">
 			Application icon file. If left empty, it will fallback to [member ProjectSettings.application/config/macos_native_icon], and then to [member ProjectSettings.application/config/icon].
 		</member>

platform/macos/export/export_plugin.cpp

@@ -384,6 +384,7 @@ void EditorExportPlatformMacOS::get_export_options(List<ExportOption> *r_options
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/copyright"), ""));
 	r_options->push_back(ExportOption(PropertyInfo(Variant::DICTIONARY, "application/copyright_localized", PROPERTY_HINT_LOCALIZABLE_STRING), Dictionary()));
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/min_macos_version"), "10.12"));
+	r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "application/export_angle", PROPERTY_HINT_ENUM, "Auto,Yes,No"), 0, true));
 	r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "display/high_res"), true));
 
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "xcode/platform_build"), "14C18"));
@@ -1618,6 +1619,14 @@ Error EditorExportPlatformMacOS::export_project(const Ref<EditorExportPreset> &p
 	// Now process our template.
 	bool found_binary = false;
 
+	int export_angle = p_preset->get("application/export_angle");
+	bool include_angle_libs = false;
+	if (export_angle == 0) {
+		include_angle_libs = String(GLOBAL_GET("rendering/gl_compatibility/driver.macos")) == "opengl3_angle";
+	} else if (export_angle == 1) {
+		include_angle_libs = true;
+	}
+
 	while (ret == UNZ_OK && err == OK) {
 		// Get filename.
 		unz_file_info info;
@@ -1665,6 +1674,20 @@ Error EditorExportPlatformMacOS::export_project(const Ref<EditorExportPreset> &p
 			continue; // next
 		}
 
+		if (file == "Contents/Frameworks/libEGL.dylib") {
+			if (!include_angle_libs) {
+				ret = unzGoToNextFile(src_pkg_zip);
+				continue; // skip
+			}
+		}
+
+		if (file == "Contents/Frameworks/libGLESv2.dylib") {
+			if (!include_angle_libs) {
+				ret = unzGoToNextFile(src_pkg_zip);
+				continue; // skip
+			}
+		}
+
 		if (file == "Contents/Info.plist") {
 			_fix_plist(p_preset, data, pkg_name);
 		}

platform/macos/gl_manager_macos_angle.h

@@ -0,0 +1,63 @@
+/**************************************************************************/
+/*  gl_manager_macos_angle.h                                              */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef GL_MANAGER_MACOS_ANGLE_H
+#define GL_MANAGER_MACOS_ANGLE_H
+
+#if defined(MACOS_ENABLED) && defined(GLES3_ENABLED)
+
+#include "core/error/error_list.h"
+#include "core/os/os.h"
+#include "core/templates/local_vector.h"
+#include "drivers/egl/egl_manager.h"
+#include "servers/display_server.h"
+
+#include <AppKit/AppKit.h>
+#include <ApplicationServices/ApplicationServices.h>
+#include <CoreVideo/CoreVideo.h>
+
+class GLManagerANGLE_MacOS : public EGLManager {
+private:
+	virtual const char *_get_platform_extension_name() const override;
+	virtual EGLenum _get_platform_extension_enum() const override;
+	virtual EGLenum _get_platform_api_enum() const override;
+	virtual Vector<EGLAttrib> _get_platform_display_attributes() const override;
+	virtual Vector<EGLint> _get_platform_context_attribs() const override;
+
+public:
+	void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {}
+
+	GLManagerANGLE_MacOS() {}
+	~GLManagerANGLE_MacOS() {}
+};
+
+#endif // MACOS_ENABLED && GLES3_ENABLED
+
+#endif // GL_MANAGER_MACOS_ANGLE_H

platform/macos/gl_manager_macos_angle.mm

@@ -0,0 +1,70 @@
+/**************************************************************************/
+/*  gl_manager_macos_angle.mm                                             */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "gl_manager_macos_angle.h"
+
+#if defined(MACOS_ENABLED) && defined(GLES3_ENABLED)
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <EGL/eglext_angle.h>
+
+const char *GLManagerANGLE_MacOS::_get_platform_extension_name() const {
+	return "EGL_ANGLE_platform_angle";
+}
+
+EGLenum GLManagerANGLE_MacOS::_get_platform_extension_enum() const {
+	return EGL_PLATFORM_ANGLE_ANGLE;
+}
+
+Vector<EGLAttrib> GLManagerANGLE_MacOS::_get_platform_display_attributes() const {
+	Vector<EGLAttrib> ret;
+	ret.push_back(EGL_PLATFORM_ANGLE_TYPE_ANGLE);
+	ret.push_back(EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE);
+	ret.push_back(EGL_NONE);
+
+	return ret;
+}
+
+EGLenum GLManagerANGLE_MacOS::_get_platform_api_enum() const {
+	return EGL_OPENGL_ES_API;
+}
+
+Vector<EGLint> GLManagerANGLE_MacOS::_get_platform_context_attribs() const {
+	Vector<EGLint> ret;
+	ret.push_back(EGL_CONTEXT_CLIENT_VERSION);
+	ret.push_back(3);
+	ret.push_back(EGL_NONE);
+
+	return ret;
+}
+
+#endif // MACOS_ENABLED && GLES3_ENABLED

platform/macos/gl_manager_macos_legacy.h

@@ -45,17 +45,12 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations" // OpenGL is deprecated in macOS 10.14
 
-class GLManager_MacOS {
-public:
-	enum ContextType {
-		GLES_3_0_COMPATIBLE,
-	};
+typedef CGLError (*CGLEnablePtr)(CGLContextObj ctx, CGLContextEnable pname);
+typedef CGLError (*CGLSetParameterPtr)(CGLContextObj ctx, CGLContextParameter pname, const GLint *params);
+typedef CGLContextObj (*CGLGetCurrentContextPtr)(void);
 
-private:
+class GLManagerLegacy_MacOS {
 	struct GLWindow {
-		int width = 0;
-		int height = 0;
-
 		id window_view = nullptr;
 		NSOpenGLContext *context = nullptr;
 	};
@@ -68,23 +63,21 @@ private:
 	Error create_context(GLWindow &win);
 
 	bool use_vsync = false;
-	ContextType context_type;
+	CGLEnablePtr CGLEnable = nullptr;
+	CGLSetParameterPtr CGLSetParameter = nullptr;
+	CGLGetCurrentContextPtr CGLGetCurrentContext = nullptr;
 
 public:
 	Error window_create(DisplayServer::WindowID p_window_id, id p_view, int p_width, int p_height);
 	void window_destroy(DisplayServer::WindowID p_window_id);
 	void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height);
 
-	int window_get_width(DisplayServer::WindowID p_window_id = 0);
-	int window_get_height(DisplayServer::WindowID p_window_id = 0);
-
 	void release_current();
 	void make_current();
 	void swap_buffers();
 
 	void window_make_current(DisplayServer::WindowID p_window_id);
 
-	void window_update(DisplayServer::WindowID p_window_id);
 	void window_set_per_pixel_transparency_enabled(DisplayServer::WindowID p_window_id, bool p_enabled);
 
 	Error initialize();
@@ -94,8 +87,8 @@ public:
 
 	NSOpenGLContext *get_context(DisplayServer::WindowID p_window_id);
 
-	GLManager_MacOS(ContextType p_context_type);
-	~GLManager_MacOS();
+	GLManagerLegacy_MacOS();
+	~GLManagerLegacy_MacOS();
 };
 
 #pragma clang diagnostic push

platform/macos/gl_manager_macos_legacy.mm

@@ -38,7 +38,7 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations" // OpenGL is deprecated in macOS 10.14
 
-Error GLManager_MacOS::create_context(GLWindow &win) {
+Error GLManagerLegacy_MacOS::create_context(GLWindow &win) {
 	NSOpenGLPixelFormatAttribute attributes[] = {
 		NSOpenGLPFADoubleBuffer,
 		NSOpenGLPFAClosestPolicy,
@@ -64,10 +64,8 @@ Error GLManager_MacOS::create_context(GLWindow &win) {
 	return OK;
 }
 
-Error GLManager_MacOS::window_create(DisplayServer::WindowID p_window_id, id p_view, int p_width, int p_height) {
+Error GLManagerLegacy_MacOS::window_create(DisplayServer::WindowID p_window_id, id p_view, int p_width, int p_height) {
 	GLWindow win;
-	win.width = p_width;
-	win.height = p_height;
 	win.window_view = p_view;
 
 	if (create_context(win) != OK) {
@@ -80,16 +78,13 @@ Error GLManager_MacOS::window_create(DisplayServer::WindowID p_window_id, id p_v
 	return OK;
 }
 
-void GLManager_MacOS::window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {
+void GLManagerLegacy_MacOS::window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {
 	if (!windows.has(p_window_id)) {
 		return;
 	}
 
 	GLWindow &win = windows[p_window_id];
 
-	win.width = p_width;
-	win.height = p_height;
-
 	GLint dim[2];
 	dim[0] = p_width;
 	dim[1] = p_height;
@@ -104,25 +99,7 @@ void GLManager_MacOS::window_resize(DisplayServer::WindowID p_window_id, int p_w
 	[win.context update];
 }
 
-int GLManager_MacOS::window_get_width(DisplayServer::WindowID p_window_id) {
-	if (!windows.has(p_window_id)) {
-		return 0;
-	}
-
-	GLWindow &win = windows[p_window_id];
-	return win.width;
-}
-
-int GLManager_MacOS::window_get_height(DisplayServer::WindowID p_window_id) {
-	if (!windows.has(p_window_id)) {
-		return 0;
-	}
-
-	GLWindow &win = windows[p_window_id];
-	return win.height;
-}
-
-void GLManager_MacOS::window_destroy(DisplayServer::WindowID p_window_id) {
+void GLManagerLegacy_MacOS::window_destroy(DisplayServer::WindowID p_window_id) {
 	if (!windows.has(p_window_id)) {
 		return;
 	}
@@ -134,7 +111,7 @@ void GLManager_MacOS::window_destroy(DisplayServer::WindowID p_window_id) {
 	windows.erase(p_window_id);
 }
 
-void GLManager_MacOS::release_current() {
+void GLManagerLegacy_MacOS::release_current() {
 	if (current_window == DisplayServer::INVALID_WINDOW_ID) {
 		return;
 	}
@@ -142,7 +119,7 @@ void GLManager_MacOS::release_current() {
 	[NSOpenGLContext clearCurrentContext];
 }
 
-void GLManager_MacOS::window_make_current(DisplayServer::WindowID p_window_id) {
+void GLManagerLegacy_MacOS::window_make_current(DisplayServer::WindowID p_window_id) {
 	if (current_window == p_window_id) {
 		return;
 	}
@@ -156,7 +133,7 @@ void GLManager_MacOS::window_make_current(DisplayServer::WindowID p_window_id) {
 	current_window = p_window_id;
 }
 
-void GLManager_MacOS::make_current() {
+void GLManagerLegacy_MacOS::make_current() {
 	if (current_window == DisplayServer::INVALID_WINDOW_ID) {
 		return;
 	}
@@ -168,21 +145,12 @@ void GLManager_MacOS::make_current() {
 	[win.context makeCurrentContext];
 }
 
-void GLManager_MacOS::swap_buffers() {
+void GLManagerLegacy_MacOS::swap_buffers() {
 	GLWindow &win = windows[current_window];
 	[win.context flushBuffer];
 }
 
-void GLManager_MacOS::window_update(DisplayServer::WindowID p_window_id) {
-	if (!windows.has(p_window_id)) {
-		return;
-	}
-
-	GLWindow &win = windows[p_window_id];
-	[win.context update];
-}
-
-void GLManager_MacOS::window_set_per_pixel_transparency_enabled(DisplayServer::WindowID p_window_id, bool p_enabled) {
+void GLManagerLegacy_MacOS::window_set_per_pixel_transparency_enabled(DisplayServer::WindowID p_window_id, bool p_enabled) {
 	if (!windows.has(p_window_id)) {
 		return;
 	}
@@ -198,26 +166,28 @@ void GLManager_MacOS::window_set_per_pixel_transparency_enabled(DisplayServer::W
 	[win.context update];
 }
 
-Error GLManager_MacOS::initialize() {
+Error GLManagerLegacy_MacOS::initialize() {
 	return OK;
 }
 
-void GLManager_MacOS::set_use_vsync(bool p_use) {
+void GLManagerLegacy_MacOS::set_use_vsync(bool p_use) {
 	use_vsync = p_use;
 
 	CGLContextObj ctx = CGLGetCurrentContext();
 	if (ctx) {
 		GLint swapInterval = p_use ? 1 : 0;
-		CGLSetParameter(ctx, kCGLCPSwapInterval, &swapInterval);
+		if (CGLSetParameter(ctx, kCGLCPSwapInterval, &swapInterval) != kCGLNoError) {
+			WARN_PRINT("Could not set V-Sync mode.");
+		}
 		use_vsync = p_use;
 	}
 }
 
-bool GLManager_MacOS::is_using_vsync() const {
+bool GLManagerLegacy_MacOS::is_using_vsync() const {
 	return use_vsync;
 }
 
-NSOpenGLContext *GLManager_MacOS::get_context(DisplayServer::WindowID p_window_id) {
+NSOpenGLContext *GLManagerLegacy_MacOS::get_context(DisplayServer::WindowID p_window_id) {
 	if (!windows.has(p_window_id)) {
 		return nullptr;
 	}
@@ -226,11 +196,16 @@ NSOpenGLContext *GLManager_MacOS::get_context(DisplayServer::WindowID p_window_i
 	return win.context;
 }
 
-GLManager_MacOS::GLManager_MacOS(ContextType p_context_type) {
-	context_type = p_context_type;
+GLManagerLegacy_MacOS::GLManagerLegacy_MacOS() {
+	CFBundleRef framework = CFBundleGetBundleWithIdentifier(CFSTR("com.apple.opengl"));
+	CFBundleLoadExecutable(framework);
+
+	CGLEnable = (CGLEnablePtr)CFBundleGetFunctionPointerForName(framework, CFSTR("CGLEnable"));
+	CGLSetParameter = (CGLSetParameterPtr)CFBundleGetFunctionPointerForName(framework, CFSTR("CGLSetParameter"));
+	CGLGetCurrentContext = (CGLGetCurrentContextPtr)CFBundleGetFunctionPointerForName(framework, CFSTR("CGLGetCurrentContext"));
 }
 
-GLManager_MacOS::~GLManager_MacOS() {
+GLManagerLegacy_MacOS::~GLManagerLegacy_MacOS() {
 	release_current();
 }
 

platform/macos/godot_content_view.mm

@@ -139,12 +139,6 @@
 	return [[CAMetalLayer class] layer];
 }
 
-- (void)updateLayer {
-	DisplayServerMacOS *ds = (DisplayServerMacOS *)DisplayServer::get_singleton();
-	ds->window_update(window_id);
-	[super updateLayer];
-}
-
 - (BOOL)wantsUpdateLayer {
 	return YES;
 }

platform/macos/platform_config.h

@@ -30,5 +30,4 @@
 
 #include <alloca.h>
 
-#define OPENGL_INCLUDE_H "thirdparty/glad/glad/gl.h"
 #define PTHREAD_RENAME_SELF

platform/macos/platform_gl.h

@@ -0,0 +1,52 @@
+/**************************************************************************/
+/*  platform_gl.h                                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef PLATFORM_GL_H
+#define PLATFORM_GL_H
+
+#ifndef GL_API_ENABLED
+#define GL_API_ENABLED // Allow using desktop GL.
+#endif
+
+#ifndef GLES_API_ENABLED
+#define GLES_API_ENABLED // Allow using GLES (ANGLE).
+#endif
+
+#ifdef EGL_STATIC
+#define KHRONOS_STATIC 1
+#include "thirdparty/angle/include/EGL/egl.h"
+#include "thirdparty/angle/include/EGL/eglext.h"
+#undef KHRONOS_STATIC
+#else
+#include "thirdparty/glad/glad/egl.h"
+#endif
+#include "thirdparty/glad/glad/gl.h"
+
+#endif // PLATFORM_GL_H

platform/web/display_server_web.cpp

@@ -817,7 +817,7 @@ DisplayServerWeb::DisplayServerWeb(const String &p_rendering_driver, WindowMode
 		if (!emscripten_webgl_enable_extension(webgl_ctx, "OVR_multiview2")) {
 			print_verbose("Failed to enable WebXR extension.");
 		}
-		RasterizerGLES3::make_current();
+		RasterizerGLES3::make_current(false);
 
 	} else {
 		OS::get_singleton()->alert(

platform/web/platform_config.h

@@ -29,5 +29,3 @@
 /**************************************************************************/
 
 #include <alloca.h>
-
-#define OPENGL_INCLUDE_H "platform/web/godot_webgl2.h"

platform/web/platform_gl.h

@@ -0,0 +1,40 @@
+/**************************************************************************/
+/*  platform_gl.h                                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef PLATFORM_GL_H
+#define PLATFORM_GL_H
+
+#ifndef GLES_API_ENABLED
+#define GLES_API_ENABLED // Allow using GLES.
+#endif
+
+#include "platform/web/godot_webgl2.h"
+
+#endif // PLATFORM_GL_H

platform/windows/SCsub

@@ -16,7 +16,9 @@ common_win = [
     "tts_windows.cpp",
     "windows_terminal_logger.cpp",
     "vulkan_context_win.cpp",
-    "gl_manager_windows.cpp",
+    "gl_manager_windows_native.cpp",
+    "gl_manager_windows_angle.cpp",
+    "wgl_detect_version.cpp",
 ]
 
 common_win_wrap = [

platform/windows/detect.py

@@ -186,6 +186,7 @@ def get_opts():
         BoolVariable("use_asan", "Use address sanitizer (ASAN)", False),
         BoolVariable("debug_crt", "Compile with MSVC's debug CRT (/MDd)", False),
         BoolVariable("incremental_link", "Use MSVC incremental linking. May increase or decrease build times.", False),
+        ("angle_libs", "Path to the ANGLE static libraries", ""),
     ]
 
 
@@ -431,7 +432,16 @@ def configure_msvc(env, vcvars_msvc_config):
 
     if env["opengl3"]:
         env.AppendUnique(CPPDEFINES=["GLES3_ENABLED"])
-        LIBS += ["opengl32"]
+        if env["angle_libs"] != "":
+            env.AppendUnique(CPPDEFINES=["EGL_STATIC"])
+            env.Append(LIBPATH=[env["angle_libs"]])
+            LIBS += [
+                "libANGLE.windows." + env["arch"],
+                "libEGL.windows." + env["arch"],
+                "libGLES.windows." + env["arch"],
+            ]
+            LIBS += ["dxgi", "d3d9", "d3d11"]
+        env.Prepend(CPPPATH=["#thirdparty/angle/include"])
 
     env.Append(LINKFLAGS=[p + env["LIBSUFFIX"] for p in LIBS])
 
@@ -614,7 +624,18 @@ def configure_mingw(env):
 
     if env["opengl3"]:
         env.Append(CPPDEFINES=["GLES3_ENABLED"])
-        env.Append(LIBS=["opengl32"])
+        if env["angle_libs"] != "":
+            env.AppendUnique(CPPDEFINES=["EGL_STATIC"])
+            env.Append(LIBPATH=[env["angle_libs"]])
+            env.Append(
+                LIBS=[
+                    "EGL.windows." + env["arch"],
+                    "GLES.windows." + env["arch"],
+                    "ANGLE.windows." + env["arch"],
+                ]
+            )
+            env.Append(LIBS=["dxgi", "d3d9", "d3d11"])
+        env.Prepend(CPPPATH=["#thirdparty/angle/include"])
 
     env.Append(CPPDEFINES=["MINGW_ENABLED", ("MINGW_HAS_SECURE_API", 1)])
 

platform/windows/display_server_windows.cpp

@@ -31,6 +31,7 @@
 #include "display_server_windows.h"
 
 #include "os_windows.h"
+#include "wgl_detect_version.h"
 
 #include "core/config/project_settings.h"
 #include "core/io/marshalls.h"
@@ -1070,8 +1071,11 @@ void DisplayServerWindows::delete_sub_window(WindowID p_window) {
 	}
 #endif
 #ifdef GLES3_ENABLED
-	if (gl_manager) {
-		gl_manager->window_destroy(p_window);
+	if (gl_manager_angle) {
+		gl_manager_angle->window_destroy(p_window);
+	}
+	if (gl_manager_native) {
+		gl_manager_native->window_destroy(p_window);
 	}
 #endif
 
@@ -1089,8 +1093,11 @@ void DisplayServerWindows::delete_sub_window(WindowID p_window) {
 
 void DisplayServerWindows::gl_window_make_current(DisplayServer::WindowID p_window_id) {
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->window_make_current(p_window_id);
+	if (gl_manager_angle) {
+		gl_manager_angle->window_make_current(p_window_id);
+	}
+	if (gl_manager_native) {
+		gl_manager_native->window_make_current(p_window_id);
 	}
 #endif
 }
@@ -1106,14 +1113,18 @@ int64_t DisplayServerWindows::window_get_native_handle(HandleType p_handle_type,
 		}
 #if defined(GLES3_ENABLED)
 		case WINDOW_VIEW: {
-			if (gl_manager) {
-				return (int64_t)gl_manager->get_hdc(p_window);
+			if (gl_manager_native) {
+				return (int64_t)gl_manager_native->get_hdc(p_window);
+			} else {
+				return (int64_t)GetDC(windows[p_window].hWnd);
 			}
-			return 0;
 		}
 		case OPENGL_CONTEXT: {
-			if (gl_manager) {
-				return (int64_t)gl_manager->get_hglrc(p_window);
+			if (gl_manager_native) {
+				return (int64_t)gl_manager_native->get_hglrc(p_window);
+			}
+			if (gl_manager_angle) {
+				return (int64_t)gl_manager_angle->get_context(p_window);
 			}
 			return 0;
 		}
@@ -1447,8 +1458,11 @@ void DisplayServerWindows::window_set_size(const Size2i p_size, WindowID p_windo
 	}
 #endif
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->window_resize(p_window, w, h);
+	if (gl_manager_native) {
+		gl_manager_native->window_resize(p_window, w, h);
+	}
+	if (gl_manager_angle) {
+		gl_manager_angle->window_resize(p_window, w, h);
 	}
 #endif
 
@@ -2318,8 +2332,11 @@ void DisplayServerWindows::make_rendering_thread() {
 
 void DisplayServerWindows::swap_buffers() {
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->swap_buffers();
+	if (gl_manager_angle) {
+		gl_manager_angle->swap_buffers();
+	}
+	if (gl_manager_native) {
+		gl_manager_native->swap_buffers();
 	}
 #endif
 }
@@ -2490,8 +2507,11 @@ void DisplayServerWindows::window_set_vsync_mode(DisplayServer::VSyncMode p_vsyn
 #endif
 
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		gl_manager->set_use_vsync(p_window, p_vsync_mode != DisplayServer::VSYNC_DISABLED);
+	if (gl_manager_native) {
+		gl_manager_native->set_use_vsync(p_window, p_vsync_mode != DisplayServer::VSYNC_DISABLED);
+	}
+	if (gl_manager_angle) {
+		gl_manager_angle->set_use_vsync(p_vsync_mode != DisplayServer::VSYNC_DISABLED);
 	}
 #endif
 }
@@ -2505,8 +2525,11 @@ DisplayServer::VSyncMode DisplayServerWindows::window_get_vsync_mode(WindowID p_
 #endif
 
 #if defined(GLES3_ENABLED)
-	if (gl_manager) {
-		return gl_manager->is_using_vsync(p_window) ? DisplayServer::VSYNC_ENABLED : DisplayServer::VSYNC_DISABLED;
+	if (gl_manager_native) {
+		return gl_manager_native->is_using_vsync(p_window) ? DisplayServer::VSYNC_ENABLED : DisplayServer::VSYNC_DISABLED;
+	}
+	if (gl_manager_angle) {
+		return gl_manager_angle->is_using_vsync() ? DisplayServer::VSYNC_ENABLED : DisplayServer::VSYNC_DISABLED;
 	}
 #endif
 
@@ -4224,10 +4247,20 @@ DisplayServer::WindowID DisplayServerWindows::_create_window(WindowMode p_mode,
 #endif
 
 #ifdef GLES3_ENABLED
-		if (gl_manager) {
-			if (gl_manager->window_create(id, wd.hWnd, hInstance, WindowRect.right - WindowRect.left, WindowRect.bottom - WindowRect.top) != OK) {
-				memdelete(gl_manager);
-				gl_manager = nullptr;
+		if (gl_manager_native) {
+			if (gl_manager_native->window_create(id, wd.hWnd, hInstance, WindowRect.right - WindowRect.left, WindowRect.bottom - WindowRect.top) != OK) {
+				memdelete(gl_manager_native);
+				gl_manager_native = nullptr;
+				windows.erase(id);
+				ERR_FAIL_V_MSG(INVALID_WINDOW_ID, "Failed to create an OpenGL window.");
+			}
+			window_set_vsync_mode(p_vsync_mode, id);
+		}
+
+		if (gl_manager_angle) {
+			if (gl_manager_angle->window_create(id, nullptr, wd.hWnd, WindowRect.right - WindowRect.left, WindowRect.bottom - WindowRect.top) != OK) {
+				memdelete(gl_manager_angle);
+				gl_manager_angle = nullptr;
 				windows.erase(id);
 				ERR_FAIL_V_MSG(INVALID_WINDOW_ID, "Failed to create an OpenGL window.");
 			}
@@ -4523,18 +4556,36 @@ DisplayServerWindows::DisplayServerWindows(const String &p_rendering_driver, Win
 #if defined(GLES3_ENABLED)
 
 	if (rendering_driver == "opengl3") {
-		GLManager_Windows::ContextType opengl_api_type = GLManager_Windows::GLES_3_0_COMPATIBLE;
+		int gl_version = detect_wgl_version();
+		if (gl_version < 30003) {
+			WARN_PRINT("Your video card drivers seem not to support the required OpenGL 3.3 version, switching to ANGLE.");
+			rendering_driver = "opengl3_angle";
+		}
+	}
 
-		gl_manager = memnew(GLManager_Windows(opengl_api_type));
+	if (rendering_driver == "opengl3") {
+		gl_manager_native = memnew(GLManagerNative_Windows);
 
-		if (gl_manager->initialize() != OK) {
-			memdelete(gl_manager);
-			gl_manager = nullptr;
+		if (gl_manager_native->initialize() != OK) {
+			memdelete(gl_manager_native);
+			gl_manager_native = nullptr;
 			r_error = ERR_UNAVAILABLE;
 			return;
 		}
 
-		RasterizerGLES3::make_current();
+		RasterizerGLES3::make_current(true);
+	}
+	if (rendering_driver == "opengl3_angle") {
+		gl_manager_angle = memnew(GLManagerANGLE_Windows);
+
+		if (gl_manager_angle->initialize() != OK) {
+			memdelete(gl_manager_angle);
+			gl_manager_angle = nullptr;
+			r_error = ERR_UNAVAILABLE;
+			return;
+		}
+
+		RasterizerGLES3::make_current(false);
 	}
 #endif
 
@@ -4608,6 +4659,7 @@ Vector<String> DisplayServerWindows::get_rendering_drivers_func() {
 #endif
 #ifdef GLES3_ENABLED
 	drivers.push_back("opengl3");
+	drivers.push_back("opengl3_angle");
 #endif
 
 	return drivers;
@@ -4693,9 +4745,13 @@ DisplayServerWindows::~DisplayServerWindows() {
 		SystemParametersInfoA(SPI_SETMOUSETRAILS, restore_mouse_trails, 0, 0);
 	}
 #ifdef GLES3_ENABLED
-	if (gl_manager) {
-		memdelete(gl_manager);
-		gl_manager = nullptr;
+	if (gl_manager_angle) {
+		memdelete(gl_manager_angle);
+		gl_manager_angle = nullptr;
+	}
+	if (gl_manager_native) {
+		memdelete(gl_manager_native);
+		gl_manager_native = nullptr;
 	}
 #endif
 	if (tts) {

platform/windows/display_server_windows.h

@@ -59,8 +59,9 @@
 #endif
 
 #if defined(GLES3_ENABLED)
-#include "gl_manager_windows.h"
-#endif
+#include "gl_manager_windows_angle.h"
+#include "gl_manager_windows_native.h"
+#endif // GLES3_ENABLED
 
 #include <io.h>
 #include <stdio.h>
@@ -335,7 +336,8 @@ class DisplayServerWindows : public DisplayServer {
 	Point2i center;
 
 #if defined(GLES3_ENABLED)
-	GLManager_Windows *gl_manager = nullptr;
+	GLManagerANGLE_Windows *gl_manager_angle = nullptr;
+	GLManagerNative_Windows *gl_manager_native = nullptr;
 #endif
 
 #if defined(VULKAN_ENABLED)

platform/windows/doc_classes/EditorExportPlatformWindows.xml

@@ -18,6 +18,9 @@
 		<member name="application/copyright" type="String" setter="" getter="">
 			Copyright notice for the bundle visible to the user. Optional. See [url=https://learn.microsoft.com/en-us/windows/win32/menurc/stringfileinfo-block]StringFileInfo[/url].
 		</member>
+		<member name="application/export_angle" type="int" setter="" getter="">
+			If set to [code]1[/code], ANGLE libraries are exported with the exported application. If set to [code]0[/code], ANGLE libraries are exported only if [member ProjectSettings.rendering/gl_compatibility/driver] is set to [code]"opengl3_angle"[/code].
+		</member>
 		<member name="application/file_description" type="String" setter="" getter="">
 			File description to be presented to users. Required. See [url=https://learn.microsoft.com/en-us/windows/win32/menurc/stringfileinfo-block]StringFileInfo[/url].
 		</member>

platform/windows/export/export_plugin.cpp

@@ -179,6 +179,35 @@ Error EditorExportPlatformWindows::modify_template(const Ref<EditorExportPreset>
 }
 
 Error EditorExportPlatformWindows::export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags) {
+	int export_angle = p_preset->get("application/export_angle");
+	bool include_angle_libs = false;
+	if (export_angle == 0) {
+		include_angle_libs = String(GLOBAL_GET("rendering/gl_compatibility/driver.windows")) == "opengl3_angle";
+	} else if (export_angle == 1) {
+		include_angle_libs = true;
+	}
+
+	if (include_angle_libs) {
+		String custom_debug = p_preset->get("custom_template/debug");
+		String custom_release = p_preset->get("custom_template/release");
+		String arch = p_preset->get("binary_format/architecture");
+
+		String template_path = p_debug ? custom_debug : custom_release;
+
+		template_path = template_path.strip_edges();
+
+		if (template_path.is_empty()) {
+			template_path = find_export_template(get_template_file_name(p_debug ? "debug" : "release", arch));
+		}
+		Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
+		if (da->file_exists(template_path.get_base_dir().path_join("libEGL." + arch + ".dll"))) {
+			da->copy(template_path.get_base_dir().path_join("libEGL." + arch + ".dll"), p_path.get_base_dir().path_join("libEGL.dll"), get_chmod_flags());
+		}
+		if (da->file_exists(template_path.get_base_dir().path_join("libGLESv2." + arch + ".dll"))) {
+			da->copy(template_path.get_base_dir().path_join("libGLESv2." + arch + ".dll"), p_path.get_base_dir().path_join("libGLESv2.dll"), get_chmod_flags());
+		}
+	}
+
 	bool export_as_zip = p_path.ends_with("zip");
 	bool embedded = p_preset->get("binary_format/embed_pck");
 
@@ -311,7 +340,7 @@ bool EditorExportPlatformWindows::get_export_option_visibility(const EditorExpor
 
 	// Hide resources.
 	bool mod_res = p_preset->get("application/modify_resources");
-	if (!mod_res && p_option != "application/modify_resources" && p_option.begins_with("application/")) {
+	if (!mod_res && p_option != "application/modify_resources" && p_option != "application/export_angle" && p_option.begins_with("application/")) {
 		return false;
 	}
 
@@ -350,6 +379,7 @@ void EditorExportPlatformWindows::get_export_options(List<ExportOption> *r_optio
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/file_description"), ""));
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/copyright"), ""));
 	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/trademarks"), ""));
+	r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "application/export_angle", PROPERTY_HINT_ENUM, "Auto,Yes,No"), 0, true));
 
 	String run_script = "Expand-Archive -LiteralPath '{temp_dir}\\{archive_name}' -DestinationPath '{temp_dir}'\n"
 						"$action = New-ScheduledTaskAction -Execute '{temp_dir}\\{exe_name}' -Argument '{cmd_args}'\n"

platform/windows/gl_manager_windows_angle.cpp

@@ -0,0 +1,70 @@
+/**************************************************************************/
+/*  gl_manager_windows_angle.cpp                                          */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "gl_manager_windows_angle.h"
+
+#if defined(WINDOWS_ENABLED) && defined(GLES3_ENABLED)
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <EGL/eglext_angle.h>
+
+const char *GLManagerANGLE_Windows::_get_platform_extension_name() const {
+	return "EGL_ANGLE_platform_angle";
+}
+
+EGLenum GLManagerANGLE_Windows::_get_platform_extension_enum() const {
+	return EGL_PLATFORM_ANGLE_ANGLE;
+}
+
+Vector<EGLAttrib> GLManagerANGLE_Windows::_get_platform_display_attributes() const {
+	Vector<EGLAttrib> ret;
+	ret.push_back(EGL_PLATFORM_ANGLE_TYPE_ANGLE);
+	ret.push_back(EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE);
+	ret.push_back(EGL_NONE);
+
+	return ret;
+}
+
+EGLenum GLManagerANGLE_Windows::_get_platform_api_enum() const {
+	return EGL_OPENGL_ES_API;
+}
+
+Vector<EGLint> GLManagerANGLE_Windows::_get_platform_context_attribs() const {
+	Vector<EGLint> ret;
+	ret.push_back(EGL_CONTEXT_CLIENT_VERSION);
+	ret.push_back(3);
+	ret.push_back(EGL_NONE);
+
+	return ret;
+}
+
+#endif // WINDOWS_ENABLED && GLES3_ENABLED

platform/windows/gl_manager_windows_angle.h

@@ -0,0 +1,61 @@
+/**************************************************************************/
+/*  gl_manager_windows_angle.h                                            */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef GL_MANAGER_WINDOWS_ANGLE_H
+#define GL_MANAGER_WINDOWS_ANGLE_H
+
+#if defined(WINDOWS_ENABLED) && defined(GLES3_ENABLED)
+
+#include "core/error/error_list.h"
+#include "core/os/os.h"
+#include "core/templates/local_vector.h"
+#include "drivers/egl/egl_manager.h"
+#include "servers/display_server.h"
+
+#include <windows.h>
+
+class GLManagerANGLE_Windows : public EGLManager {
+private:
+	virtual const char *_get_platform_extension_name() const override;
+	virtual EGLenum _get_platform_extension_enum() const override;
+	virtual EGLenum _get_platform_api_enum() const override;
+	virtual Vector<EGLAttrib> _get_platform_display_attributes() const override;
+	virtual Vector<EGLint> _get_platform_context_attribs() const override;
+
+public:
+	void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {}
+
+	GLManagerANGLE_Windows(){};
+	~GLManagerANGLE_Windows(){};
+};
+
+#endif // WINDOWS_ENABLED && GLES3_ENABLED
+
+#endif // GL_MANAGER_WINDOWS_ANGLE_H

platform/windows/gl_manager_windows_native.cpp

@@ -1,5 +1,5 @@
 /**************************************************************************/
-/*  gl_manager_windows.cpp                                                */
+/*  gl_manager_windows_native.cpp                                         */
 /**************************************************************************/
 /*                         This file is part of:                          */
 /*                             GODOT ENGINE                               */
@@ -28,7 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#include "gl_manager_windows.h"
+#include "gl_manager_windows_native.h"
 
 #if defined(WINDOWS_ENABLED) && defined(GLES3_ENABLED)
 
@@ -52,11 +52,14 @@
 
 #if defined(__GNUC__)
 // Workaround GCC warning from -Wcast-function-type.
-#define wglGetProcAddress (void *)wglGetProcAddress
 #define GetProcAddress (void *)GetProcAddress
 #endif
 
+typedef HGLRC(APIENTRY *PFNWGLCREATECONTEXT)(HDC);
+typedef BOOL(APIENTRY *PFNWGLDELETECONTEXT)(HGLRC);
+typedef BOOL(APIENTRY *PFNWGLMAKECURRENT)(HDC, HGLRC);
 typedef HGLRC(APIENTRY *PFNWGLCREATECONTEXTATTRIBSARBPROC)(HDC, HGLRC, const int *);
+typedef void *(APIENTRY *PFNWGLGETPROCADDRESS)(LPCSTR);
 
 static String format_error_message(DWORD id) {
 	LPWSTR messageBuffer = nullptr;
@@ -102,7 +105,7 @@ static bool nvapi_err_check(const char *msg, int status) {
 // On windows we have to disable threaded optimization when using NVIDIA graphics cards
 // to avoid stuttering, see https://github.com/microsoft/vscode-cpptools/issues/6592
 // also see https://github.com/Ryujinx/Ryujinx/blob/master/Ryujinx.Common/GraphicsDriver/NVThreadedOptimization.cs
-void GLManager_Windows::_nvapi_disable_threaded_optimization() {
+void GLManagerNative_Windows::_nvapi_disable_threaded_optimization() {
 	HMODULE nvapi = 0;
 #ifdef _WIN64
 	nvapi = LoadLibraryA("nvapi64.dll");
@@ -116,7 +119,7 @@ void GLManager_Windows::_nvapi_disable_threaded_optimization() {
 
 	void *(__cdecl * NvAPI_QueryInterface)(unsigned int interface_id) = 0;
 
-	NvAPI_QueryInterface = (void *(__cdecl *)(unsigned int))GetProcAddress(nvapi, "nvapi_QueryInterface");
+	NvAPI_QueryInterface = (void *(__cdecl *)(unsigned int))(void *)GetProcAddress(nvapi, "nvapi_QueryInterface");
 
 	if (NvAPI_QueryInterface == NULL) {
 		print_verbose("Error getting NVAPI NvAPI_QueryInterface");
@@ -235,7 +238,7 @@ void GLManager_Windows::_nvapi_disable_threaded_optimization() {
 	NvAPI_DRS_DestroySession(session_handle);
 }
 
-int GLManager_Windows::_find_or_create_display(GLWindow &win) {
+int GLManagerNative_Windows::_find_or_create_display(GLWindow &win) {
 	// find display NYI, only 1 supported so far
 	if (_displays.size()) {
 		return 0;
@@ -297,19 +300,36 @@ static Error _configure_pixel_format(HDC hDC) {
 	return OK;
 }
 
-Error GLManager_Windows::_create_context(GLWindow &win, GLDisplay &gl_display) {
+PFNWGLCREATECONTEXT gd_wglCreateContext;
+PFNWGLMAKECURRENT gd_wglMakeCurrent;
+PFNWGLDELETECONTEXT gd_wglDeleteContext;
+PFNWGLGETPROCADDRESS gd_wglGetProcAddress;
+
+Error GLManagerNative_Windows::_create_context(GLWindow &win, GLDisplay &gl_display) {
 	Error err = _configure_pixel_format(win.hDC);
 	if (err != OK) {
 		return err;
 	}
 
-	gl_display.hRC = wglCreateContext(win.hDC);
+	HMODULE module = LoadLibraryW(L"opengl32.dll");
+	if (!module) {
+		return ERR_CANT_CREATE;
+	}
+	gd_wglCreateContext = (PFNWGLCREATECONTEXT)GetProcAddress(module, "wglCreateContext");
+	gd_wglMakeCurrent = (PFNWGLMAKECURRENT)GetProcAddress(module, "wglMakeCurrent");
+	gd_wglDeleteContext = (PFNWGLDELETECONTEXT)GetProcAddress(module, "wglDeleteContext");
+	gd_wglGetProcAddress = (PFNWGLGETPROCADDRESS)GetProcAddress(module, "wglGetProcAddress");
+	if (!gd_wglCreateContext || !gd_wglMakeCurrent || !gd_wglDeleteContext || !gd_wglGetProcAddress) {
+		return ERR_CANT_CREATE;
+	}
+
+	gl_display.hRC = gd_wglCreateContext(win.hDC);
 	if (!gl_display.hRC) // Are We Able To Get A Rendering Context?
 	{
 		return ERR_CANT_CREATE; // Return FALSE
 	}
 
-	if (!wglMakeCurrent(win.hDC, gl_display.hRC)) {
+	if (!gd_wglMakeCurrent(win.hDC, gl_display.hRC)) {
 		ERR_PRINT("Could not attach OpenGL context to newly created window: " + format_error_message(GetLastError()));
 	}
 
@@ -323,45 +343,45 @@ Error GLManager_Windows::_create_context(GLWindow &win, GLDisplay &gl_display) {
 	}; //zero indicates the end of the array
 
 	PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB = nullptr; //pointer to the method
-	wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB");
+	wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)gd_wglGetProcAddress("wglCreateContextAttribsARB");
 
 	if (wglCreateContextAttribsARB == nullptr) //OpenGL 3.0 is not supported
 	{
-		wglDeleteContext(gl_display.hRC);
+		gd_wglDeleteContext(gl_display.hRC);
 		gl_display.hRC = 0;
 		return ERR_CANT_CREATE;
 	}
 
 	HGLRC new_hRC = wglCreateContextAttribsARB(win.hDC, 0, attribs);
 	if (!new_hRC) {
-		wglDeleteContext(gl_display.hRC);
+		gd_wglDeleteContext(gl_display.hRC);
 		gl_display.hRC = 0;
 		return ERR_CANT_CREATE;
 	}
 
-	if (!wglMakeCurrent(win.hDC, nullptr)) {
+	if (!gd_wglMakeCurrent(win.hDC, nullptr)) {
 		ERR_PRINT("Could not detach OpenGL context from newly created window: " + format_error_message(GetLastError()));
 	}
 
-	wglDeleteContext(gl_display.hRC);
+	gd_wglDeleteContext(gl_display.hRC);
 	gl_display.hRC = new_hRC;
 
-	if (!wglMakeCurrent(win.hDC, gl_display.hRC)) // Try To Activate The Rendering Context
+	if (!gd_wglMakeCurrent(win.hDC, gl_display.hRC)) // Try to activate the rendering context.
 	{
 		ERR_PRINT("Could not attach OpenGL context to newly created window with replaced OpenGL context: " + format_error_message(GetLastError()));
-		wglDeleteContext(gl_display.hRC);
+		gd_wglDeleteContext(gl_display.hRC);
 		gl_display.hRC = 0;
 		return ERR_CANT_CREATE;
 	}
 
 	if (!wglSwapIntervalEXT) {
-		wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
+		wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)gd_wglGetProcAddress("wglSwapIntervalEXT");
 	}
 
 	return OK;
 }
 
-Error GLManager_Windows::window_create(DisplayServer::WindowID p_window_id, HWND p_hwnd, HINSTANCE p_hinstance, int p_width, int p_height) {
+Error GLManagerNative_Windows::window_create(DisplayServer::WindowID p_window_id, HWND p_hwnd, HINSTANCE p_hinstance, int p_width, int p_height) {
 	HDC hDC = GetDC(p_hwnd);
 	if (!hDC) {
 		return ERR_CANT_CREATE;
@@ -374,8 +394,6 @@ Error GLManager_Windows::window_create(DisplayServer::WindowID p_window_id, HWND
 	}
 
 	GLWindow win;
-	win.width = p_width;
-	win.height = p_height;
 	win.hwnd = p_hwnd;
 	win.hDC = hDC;
 
@@ -395,24 +413,11 @@ Error GLManager_Windows::window_create(DisplayServer::WindowID p_window_id, HWND
 	return OK;
 }
 
-void GLManager_Windows::_internal_set_current_window(GLWindow *p_win) {
+void GLManagerNative_Windows::_internal_set_current_window(GLWindow *p_win) {
 	_current_window = p_win;
 }
 
-void GLManager_Windows::window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {
-	get_window(p_window_id).width = p_width;
-	get_window(p_window_id).height = p_height;
-}
-
-int GLManager_Windows::window_get_width(DisplayServer::WindowID p_window_id) {
-	return get_window(p_window_id).width;
-}
-
-int GLManager_Windows::window_get_height(DisplayServer::WindowID p_window_id) {
-	return get_window(p_window_id).height;
-}
-
-void GLManager_Windows::window_destroy(DisplayServer::WindowID p_window_id) {
+void GLManagerNative_Windows::window_destroy(DisplayServer::WindowID p_window_id) {
 	GLWindow &win = get_window(p_window_id);
 	if (_current_window == &win) {
 		_current_window = nullptr;
@@ -420,17 +425,17 @@ void GLManager_Windows::window_destroy(DisplayServer::WindowID p_window_id) {
 	_windows.erase(p_window_id);
 }
 
-void GLManager_Windows::release_current() {
+void GLManagerNative_Windows::release_current() {
 	if (!_current_window) {
 		return;
 	}
 
-	if (!wglMakeCurrent(_current_window->hDC, nullptr)) {
+	if (!gd_wglMakeCurrent(_current_window->hDC, nullptr)) {
 		ERR_PRINT("Could not detach OpenGL context from window marked current: " + format_error_message(GetLastError()));
 	}
 }
 
-void GLManager_Windows::window_make_current(DisplayServer::WindowID p_window_id) {
+void GLManagerNative_Windows::window_make_current(DisplayServer::WindowID p_window_id) {
 	if (p_window_id == -1) {
 		return;
 	}
@@ -444,33 +449,33 @@ void GLManager_Windows::window_make_current(DisplayServer::WindowID p_window_id)
 	}
 
 	const GLDisplay &disp = get_display(win.gldisplay_id);
-	if (!wglMakeCurrent(win.hDC, disp.hRC)) {
+	if (!gd_wglMakeCurrent(win.hDC, disp.hRC)) {
 		ERR_PRINT("Could not switch OpenGL context to other window: " + format_error_message(GetLastError()));
 	}
 
 	_internal_set_current_window(&win);
 }
 
-void GLManager_Windows::make_current() {
+void GLManagerNative_Windows::make_current() {
 	if (!_current_window) {
 		return;
 	}
 	const GLDisplay &disp = get_current_display();
-	if (!wglMakeCurrent(_current_window->hDC, disp.hRC)) {
+	if (!gd_wglMakeCurrent(_current_window->hDC, disp.hRC)) {
 		ERR_PRINT("Could not switch OpenGL context to window marked current: " + format_error_message(GetLastError()));
 	}
 }
 
-void GLManager_Windows::swap_buffers() {
+void GLManagerNative_Windows::swap_buffers() {
 	SwapBuffers(_current_window->hDC);
 }
 
-Error GLManager_Windows::initialize() {
+Error GLManagerNative_Windows::initialize() {
 	_nvapi_disable_threaded_optimization();
 	return OK;
 }
 
-void GLManager_Windows::set_use_vsync(DisplayServer::WindowID p_window_id, bool p_use) {
+void GLManagerNative_Windows::set_use_vsync(DisplayServer::WindowID p_window_id, bool p_use) {
 	GLWindow &win = get_window(p_window_id);
 	GLWindow *current = _current_window;
 
@@ -480,7 +485,12 @@ void GLManager_Windows::set_use_vsync(DisplayServer::WindowID p_window_id, bool
 
 	if (wglSwapIntervalEXT) {
 		win.use_vsync = p_use;
-		wglSwapIntervalEXT(p_use ? 1 : 0);
+
+		if (!wglSwapIntervalEXT(p_use ? 1 : 0)) {
+			WARN_PRINT("Could not set V-Sync mode.");
+		}
+	} else {
+		WARN_PRINT("Could not set V-Sync mode. V-Sync is not supported.");
 	}
 
 	if (current != _current_window) {
@@ -489,29 +499,27 @@ void GLManager_Windows::set_use_vsync(DisplayServer::WindowID p_window_id, bool
 	}
 }
 
-bool GLManager_Windows::is_using_vsync(DisplayServer::WindowID p_window_id) const {
+bool GLManagerNative_Windows::is_using_vsync(DisplayServer::WindowID p_window_id) const {
 	return get_window(p_window_id).use_vsync;
 }
 
-HDC GLManager_Windows::get_hdc(DisplayServer::WindowID p_window_id) {
+HDC GLManagerNative_Windows::get_hdc(DisplayServer::WindowID p_window_id) {
 	return get_window(p_window_id).hDC;
 }
 
-HGLRC GLManager_Windows::get_hglrc(DisplayServer::WindowID p_window_id) {
+HGLRC GLManagerNative_Windows::get_hglrc(DisplayServer::WindowID p_window_id) {
 	const GLWindow &win = get_window(p_window_id);
 	const GLDisplay &disp = get_display(win.gldisplay_id);
 	return disp.hRC;
 }
 
-GLManager_Windows::GLManager_Windows(ContextType p_context_type) {
-	context_type = p_context_type;
-
+GLManagerNative_Windows::GLManagerNative_Windows() {
 	direct_render = false;
 	glx_minor = glx_major = 0;
 	_current_window = nullptr;
 }
 
-GLManager_Windows::~GLManager_Windows() {
+GLManagerNative_Windows::~GLManagerNative_Windows() {
 	release_current();
 }
 

platform/windows/gl_manager_windows_native.h

@@ -1,5 +1,5 @@
 /**************************************************************************/
-/*  gl_manager_windows.h                                                  */
+/*  gl_manager_windows_native.h                                           */
 /**************************************************************************/
 /*                         This file is part of:                          */
 /*                             GODOT ENGINE                               */
@@ -28,8 +28,8 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef GL_MANAGER_WINDOWS_H
-#define GL_MANAGER_WINDOWS_H
+#ifndef GL_MANAGER_WINDOWS_NATIVE_H
+#define GL_MANAGER_WINDOWS_NATIVE_H
 
 #if defined(WINDOWS_ENABLED) && defined(GLES3_ENABLED)
 
@@ -43,17 +43,10 @@
 typedef bool(APIENTRY *PFNWGLSWAPINTERVALEXTPROC)(int interval);
 typedef int(APIENTRY *PFNWGLGETSWAPINTERVALEXTPROC)(void);
 
-class GLManager_Windows {
-public:
-	enum ContextType {
-		GLES_3_0_COMPATIBLE,
-	};
-
+class GLManagerNative_Windows {
 private:
 	// any data specific to the window
 	struct GLWindow {
-		int width = 0;
-		int height = 0;
 		bool use_vsync = false;
 
 		// windows specific
@@ -86,7 +79,6 @@ private:
 
 	bool direct_render;
 	int glx_minor, glx_major;
-	ContextType context_type;
 
 private:
 	void _nvapi_disable_threaded_optimization();
@@ -96,11 +88,7 @@ private:
 public:
 	Error window_create(DisplayServer::WindowID p_window_id, HWND p_hwnd, HINSTANCE p_hinstance, int p_width, int p_height);
 	void window_destroy(DisplayServer::WindowID p_window_id);
-	void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height);
-
-	// get directly from the cached GLWindow
-	int window_get_width(DisplayServer::WindowID p_window_id = 0);
-	int window_get_height(DisplayServer::WindowID p_window_id = 0);
+	void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {}
 
 	void release_current();
 	void make_current();
@@ -116,10 +104,10 @@ public:
 	HDC get_hdc(DisplayServer::WindowID p_window_id);
 	HGLRC get_hglrc(DisplayServer::WindowID p_window_id);
 
-	GLManager_Windows(ContextType p_context_type);
-	~GLManager_Windows();
+	GLManagerNative_Windows();
+	~GLManagerNative_Windows();
 };
 
 #endif // WINDOWS_ENABLED && GLES3_ENABLED
 
-#endif // GL_MANAGER_WINDOWS_H
+#endif // GL_MANAGER_WINDOWS_NATIVE_H

platform/windows/platform_config.h

@@ -29,5 +29,3 @@
 /**************************************************************************/
 
 #include <malloc.h>
-
-#define OPENGL_INCLUDE_H "thirdparty/glad/glad/gl.h"

platform/windows/platform_gl.h

@@ -0,0 +1,53 @@
+/**************************************************************************/
+/*  platform_gl.h                                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef PLATFORM_GL_H
+#define PLATFORM_GL_H
+
+#ifndef GL_API_ENABLED
+#define GL_API_ENABLED // Allow using desktop GL.
+#endif
+
+#ifndef GLES_API_ENABLED
+#define GLES_API_ENABLED // Allow using GLES (ANGLE).
+#endif
+
+#ifdef EGL_STATIC
+#define KHRONOS_STATIC 1
+#include "thirdparty/angle/include/EGL/egl.h"
+#include "thirdparty/angle/include/EGL/eglext.h"
+#undef KHRONOS_STATIC
+#else
+#include "thirdparty/glad/glad/egl.h"
+#endif
+
+#include "thirdparty/glad/glad/gl.h"
+
+#endif // PLATFORM_GL_H

platform/windows/wgl_detect_version.cpp

@@ -0,0 +1,189 @@
+/**************************************************************************/
+/*  wgl_detect_version.cpp                                                */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#if defined(WINDOWS_ENABLED) && defined(GLES3_ENABLED)
+
+#include "wgl_detect_version.h"
+#include "os_windows.h"
+
+#include "core/string/print_string.h"
+#include "core/string/ustring.h"
+
+#include <windows.h>
+
+#include <dwmapi.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
+#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
+#define WGL_CONTEXT_FLAGS_ARB 0x2094
+#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
+#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
+#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
+#define WGL_VENDOR 0x1F00
+#define WGL_RENDERER 0x1F01
+#define WGL_VERSION 0x1F02
+
+#if defined(__GNUC__)
+// Workaround GCC warning from -Wcast-function-type.
+#define GetProcAddress (void *)GetProcAddress
+#endif
+
+typedef HGLRC(APIENTRY *PFNWGLCREATECONTEXT)(HDC);
+typedef BOOL(APIENTRY *PFNWGLDELETECONTEXT)(HGLRC);
+typedef BOOL(APIENTRY *PFNWGLMAKECURRENT)(HDC, HGLRC);
+typedef HGLRC(APIENTRY *PFNWGLCREATECONTEXTATTRIBSARBPROC)(HDC, HGLRC, const int *);
+typedef void *(APIENTRY *PFNWGLGETPROCADDRESS)(LPCSTR);
+typedef const char *(APIENTRY *PFNWGLGETSTRINGPROC)(unsigned int);
+
+int detect_wgl_version() {
+	int major = 0;
+	int minor = 0;
+
+	PFNWGLCREATECONTEXT gd_wglCreateContext;
+	PFNWGLMAKECURRENT gd_wglMakeCurrent;
+	PFNWGLDELETECONTEXT gd_wglDeleteContext;
+	PFNWGLGETPROCADDRESS gd_wglGetProcAddress;
+
+	HMODULE module = LoadLibraryW(L"opengl32.dll");
+	if (!module) {
+		return 0;
+	}
+	gd_wglCreateContext = (PFNWGLCREATECONTEXT)GetProcAddress(module, "wglCreateContext");
+	gd_wglMakeCurrent = (PFNWGLMAKECURRENT)GetProcAddress(module, "wglMakeCurrent");
+	gd_wglDeleteContext = (PFNWGLDELETECONTEXT)GetProcAddress(module, "wglDeleteContext");
+	gd_wglGetProcAddress = (PFNWGLGETPROCADDRESS)GetProcAddress(module, "wglGetProcAddress");
+	if (!gd_wglCreateContext || !gd_wglMakeCurrent || !gd_wglDeleteContext || !gd_wglGetProcAddress) {
+		return 0;
+	}
+
+	LPCWSTR class_name = L"EngineWGLDetect";
+	HINSTANCE hInstance = static_cast<OS_Windows *>(OS::get_singleton())->get_hinstance();
+	WNDCLASSW wc = {};
+
+	wc.lpfnWndProc = DefWindowProcW;
+	wc.hInstance = hInstance;
+	wc.lpszClassName = class_name;
+
+	RegisterClassW(&wc);
+
+	HWND hWnd = CreateWindowExW(WS_EX_APPWINDOW, class_name, L"", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, nullptr, nullptr, hInstance, nullptr);
+	if (hWnd) {
+		HDC hDC = GetDC(hWnd);
+		if (hDC) {
+			static PIXELFORMATDESCRIPTOR pfd = {
+				sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor
+				1,
+				PFD_DRAW_TO_WINDOW | // Format Must Support Window
+						PFD_SUPPORT_OPENGL | // Format Must Support OpenGL
+						PFD_DOUBLEBUFFER,
+				(BYTE)PFD_TYPE_RGBA,
+				(BYTE)(OS::get_singleton()->is_layered_allowed() ? 32 : 24),
+				(BYTE)0, (BYTE)0, (BYTE)0, (BYTE)0, (BYTE)0, (BYTE)0, // Color Bits Ignored
+				(BYTE)(OS::get_singleton()->is_layered_allowed() ? 8 : 0), // Alpha Buffer
+				(BYTE)0, // Shift Bit Ignored
+				(BYTE)0, // No Accumulation Buffer
+				(BYTE)0, (BYTE)0, (BYTE)0, (BYTE)0, // Accumulation Bits Ignored
+				(BYTE)24, // 24Bit Z-Buffer (Depth Buffer)
+				(BYTE)0, // No Stencil Buffer
+				(BYTE)0, // No Auxiliary Buffer
+				(BYTE)PFD_MAIN_PLANE, // Main Drawing Layer
+				(BYTE)0, // Reserved
+				0, 0, 0 // Layer Masks Ignored
+			};
+
+			int pixel_format = ChoosePixelFormat(hDC, &pfd);
+			SetPixelFormat(hDC, pixel_format, &pfd);
+
+			HGLRC hRC = gd_wglCreateContext(hDC);
+			if (hRC) {
+				if (gd_wglMakeCurrent(hDC, hRC)) {
+					int attribs[] = {
+						WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
+						WGL_CONTEXT_MINOR_VERSION_ARB, 3,
+						WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
+						WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
+						0
+					};
+
+					PFNWGLCREATECONTEXTATTRIBSARBPROC gd_wglCreateContextAttribsARB = nullptr;
+					gd_wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)gd_wglGetProcAddress("wglCreateContextAttribsARB");
+					if (gd_wglCreateContextAttribsARB) {
+						HGLRC new_hRC = gd_wglCreateContextAttribsARB(hDC, 0, attribs);
+						if (new_hRC) {
+							if (gd_wglMakeCurrent(hDC, new_hRC)) {
+								PFNWGLGETSTRINGPROC gd_wglGetString = (PFNWGLGETSTRINGPROC)GetProcAddress(module, "glGetString");
+								if (gd_wglGetString) {
+									const char *prefixes[] = {
+										"OpenGL ES-CM ",
+										"OpenGL ES-CL ",
+										"OpenGL ES ",
+										"OpenGL SC ",
+										nullptr
+									};
+									const char *version = (const char *)gd_wglGetString(WGL_VERSION);
+									if (version) {
+										const String device_vendor = String::utf8((const char *)gd_wglGetString(WGL_VENDOR)).strip_edges();
+										const String device_name = String::utf8((const char *)gd_wglGetString(WGL_RENDERER)).strip_edges();
+										for (int i = 0; prefixes[i]; i++) {
+											size_t length = strlen(prefixes[i]);
+											if (strncmp(version, prefixes[i], length) == 0) {
+												version += length;
+												break;
+											}
+										}
+#ifdef _MSC_VER
+										sscanf_s(version, "%d.%d", &major, &minor);
+#else
+										sscanf(version, "%d.%d", &major, &minor);
+#endif
+										print_verbose(vformat("Native OpenGL API detected: %d.%d: %s - %s", major, minor, device_vendor, device_name));
+									}
+								}
+							}
+							gd_wglMakeCurrent(nullptr, nullptr);
+							gd_wglDeleteContext(new_hRC);
+						}
+					}
+				}
+				gd_wglMakeCurrent(nullptr, nullptr);
+				gd_wglDeleteContext(hRC);
+			}
+			ReleaseDC(hWnd, hDC);
+		}
+		DestroyWindow(hWnd);
+	}
+	UnregisterClassW(class_name, hInstance);
+
+	return major * 10000 + minor;
+}
+
+#endif // WINDOWS_ENABLED && GLES3_ENABLED

platform/windows/wgl_detect_version.h

@@ -0,0 +1,40 @@
+/**************************************************************************/
+/*  wgl_detect_version.h                                                  */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef WGL_DETECT_VERSION_H
+#define WGL_DETECT_VERSION_H
+
+#if defined(WINDOWS_ENABLED) && defined(GLES3_ENABLED)
+
+int detect_wgl_version();
+
+#endif // WINDOWS_ENABLED && GLES3_ENABLED
+
+#endif // WGL_DETECT_VERSION_H

servers/rendering/renderer_viewport.cpp

@@ -714,7 +714,7 @@ void RendererViewport::draw_viewports() {
 				// commit our eyes
 				Vector<BlitToScreen> blits = xr_interface->post_draw_viewport(vp->render_target, vp->viewport_to_screen_rect);
 				if (vp->viewport_to_screen != DisplayServer::INVALID_WINDOW_ID) {
-					if (OS::get_singleton()->get_current_rendering_driver_name() == "opengl3") {
+					if (OS::get_singleton()->get_current_rendering_driver_name() == "opengl3" || OS::get_singleton()->get_current_rendering_driver_name() == "opengl3_angle") {
 						if (blits.size() > 0) {
 							RSG::rasterizer->blit_render_targets_to_screen(vp->viewport_to_screen, blits.ptr(), blits.size());
 						}
@@ -753,7 +753,7 @@ void RendererViewport::draw_viewports() {
 					blit_to_screen_list[vp->viewport_to_screen] = Vector<BlitToScreen>();
 				}
 
-				if (OS::get_singleton()->get_current_rendering_driver_name() == "opengl3") {
+				if (OS::get_singleton()->get_current_rendering_driver_name() == "opengl3" || OS::get_singleton()->get_current_rendering_driver_name() == "opengl3_angle") {
 					Vector<BlitToScreen> blit_to_screen_vec;
 					blit_to_screen_vec.push_back(blit);
 					RSG::rasterizer->blit_render_targets_to_screen(vp->viewport_to_screen, blit_to_screen_vec.ptr(), 1);

servers/rendering/rendering_server_default.cpp

@@ -91,7 +91,7 @@ void RenderingServerDefault::_draw(bool p_swap_buffers, double frame_step) {
 	RSG::viewport->draw_viewports();
 	RSG::canvas_render->update();
 
-	if (OS::get_singleton()->get_current_rendering_driver_name() != "opengl3") {
+	if (OS::get_singleton()->get_current_rendering_driver_name() != "opengl3" && OS::get_singleton()->get_current_rendering_driver_name() != "opengl3_angle") {
 		// Already called for gl_compatibility renderer.
 		RSG::rasterizer->end_frame(p_swap_buffers);
 	}

thirdparty/README.md

@@ -17,6 +17,18 @@ Files extracted from upstream source:
 - `license.txt`
 
 
+## angle
+
+- Upstream: https://chromium.googlesource.com/angle/angle/
+- Version: git (chromium/5907, 430a4f559cbc2bcd5d026e8b36ee46ddd80e9651, 2023)
+- License: BSD-3-Clause
+
+Files extracted from upstream source:
+
+- `include/*`
+- `LICENSE`
+
+
 ## astcenc
 
 - Upstream: https://github.com/ARM-software/astc-encoder
@@ -243,7 +255,10 @@ Files extracted from upstream source:
 - `LICENSE`
 
 Files generated from [upstream web instance](https://gen.glad.sh/):
+- `EGL/eglplatform.h`
 - `KHR/khrplatform.h`
+- `egl.c`
+- `glad/egl.h`
 - `gl.c`
 - `glad/gl.h`
 - `glx.c`
@@ -252,6 +267,9 @@ Files generated from [upstream web instance](https://gen.glad.sh/):
 See the permalinks in `glad/gl.h` and `glad/glx.h` to regenrate the files with
 a new version of the web instance.
 
+Some changes have been made in order to allow loading OpenGL and OpenGLES APIs at the same time.
+See the patches in the `patches` directory.
+
 
 ## glslang
 

thirdparty/angle/LICENSE

@@ -0,0 +1,32 @@
+// Copyright 2018 The ANGLE Project Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+//     Redistributions of source code must retain the above copyright
+//     notice, this list of conditions and the following disclaimer.
+//
+//     Redistributions in binary form must reproduce the above
+//     copyright notice, this list of conditions and the following
+//     disclaimer in the documentation and/or other materials provided
+//     with the distribution.
+//
+//     Neither the name of TransGaming Inc., Google Inc., 3DLabs Inc.
+//     Ltd., nor the names of their contributors may be used to endorse
+//     or promote products derived from this software without specific
+//     prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.

thirdparty/angle/include/EGL/egl.h

@@ -0,0 +1,342 @@
+#ifndef __egl_h_
+#define __egl_h_ 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+** Copyright 2013-2020 The Khronos Group Inc.
+** SPDX-License-Identifier: Apache-2.0
+**
+** This header is generated from the Khronos EGL XML API Registry.
+** The current version of the Registry, generator scripts
+** used to make the header, and the header can be found at
+**   http://www.khronos.org/registry/egl
+**
+** Khronos $Git commit SHA1: 6fb1daea15 $ on $Git commit date: 2022-05-25 09:41:13 -0600 $
+*/
+
+#include <EGL/eglplatform.h>
+
+#ifndef EGL_EGL_PROTOTYPES
+#define EGL_EGL_PROTOTYPES 1
+#endif
+
+/* Generated on date 20220525 */
+
+/* Generated C header for:
+ * API: egl
+ * Versions considered: .*
+ * Versions emitted: .*
+ * Default extensions included: None
+ * Additional extensions included: _nomatch_^
+ * Extensions removed: _nomatch_^
+ */
+
+#ifndef EGL_VERSION_1_0
+#define EGL_VERSION_1_0 1
+typedef unsigned int EGLBoolean;
+typedef void *EGLDisplay;
+#include <KHR/khrplatform.h>
+#include <EGL/eglplatform.h>
+typedef void *EGLConfig;
+typedef void *EGLSurface;
+typedef void *EGLContext;
+typedef void (*__eglMustCastToProperFunctionPointerType)(void);
+#define EGL_ALPHA_SIZE                    0x3021
+#define EGL_BAD_ACCESS                    0x3002
+#define EGL_BAD_ALLOC                     0x3003
+#define EGL_BAD_ATTRIBUTE                 0x3004
+#define EGL_BAD_CONFIG                    0x3005
+#define EGL_BAD_CONTEXT                   0x3006
+#define EGL_BAD_CURRENT_SURFACE           0x3007
+#define EGL_BAD_DISPLAY                   0x3008
+#define EGL_BAD_MATCH                     0x3009
+#define EGL_BAD_NATIVE_PIXMAP             0x300A
+#define EGL_BAD_NATIVE_WINDOW             0x300B
+#define EGL_BAD_PARAMETER                 0x300C
+#define EGL_BAD_SURFACE                   0x300D
+#define EGL_BLUE_SIZE                     0x3022
+#define EGL_BUFFER_SIZE                   0x3020
+#define EGL_CONFIG_CAVEAT                 0x3027
+#define EGL_CONFIG_ID                     0x3028
+#define EGL_CORE_NATIVE_ENGINE            0x305B
+#define EGL_DEPTH_SIZE                    0x3025
+#define EGL_DONT_CARE                     EGL_CAST(EGLint,-1)
+#define EGL_DRAW                          0x3059
+#define EGL_EXTENSIONS                    0x3055
+#define EGL_FALSE                         0
+#define EGL_GREEN_SIZE                    0x3023
+#define EGL_HEIGHT                        0x3056
+#define EGL_LARGEST_PBUFFER               0x3058
+#define EGL_LEVEL                         0x3029
+#define EGL_MAX_PBUFFER_HEIGHT            0x302A
+#define EGL_MAX_PBUFFER_PIXELS            0x302B
+#define EGL_MAX_PBUFFER_WIDTH             0x302C
+#define EGL_NATIVE_RENDERABLE             0x302D
+#define EGL_NATIVE_VISUAL_ID              0x302E
+#define EGL_NATIVE_VISUAL_TYPE            0x302F
+#define EGL_NONE                          0x3038
+#define EGL_NON_CONFORMANT_CONFIG         0x3051
+#define EGL_NOT_INITIALIZED               0x3001
+#define EGL_NO_CONTEXT                    EGL_CAST(EGLContext,0)
+#define EGL_NO_DISPLAY                    EGL_CAST(EGLDisplay,0)
+#define EGL_NO_SURFACE                    EGL_CAST(EGLSurface,0)
+#define EGL_PBUFFER_BIT                   0x0001
+#define EGL_PIXMAP_BIT                    0x0002
+#define EGL_READ                          0x305A
+#define EGL_RED_SIZE                      0x3024
+#define EGL_SAMPLES                       0x3031
+#define EGL_SAMPLE_BUFFERS                0x3032
+#define EGL_SLOW_CONFIG                   0x3050
+#define EGL_STENCIL_SIZE                  0x3026
+#define EGL_SUCCESS                       0x3000
+#define EGL_SURFACE_TYPE                  0x3033
+#define EGL_TRANSPARENT_BLUE_VALUE        0x3035
+#define EGL_TRANSPARENT_GREEN_VALUE       0x3036
+#define EGL_TRANSPARENT_RED_VALUE         0x3037
+#define EGL_TRANSPARENT_RGB               0x3052
+#define EGL_TRANSPARENT_TYPE              0x3034
+#define EGL_TRUE                          1
+#define EGL_VENDOR                        0x3053
+#define EGL_VERSION                       0x3054
+#define EGL_WIDTH                         0x3057
+#define EGL_WINDOW_BIT                    0x0004
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLCHOOSECONFIGPROC) (EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLCOPYBUFFERSPROC) (EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target);
+typedef EGLContext (EGLAPIENTRYP PFNEGLCREATECONTEXTPROC) (EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list);
+typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPBUFFERSURFACEPROC) (EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
+typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPIXMAPSURFACEPROC) (EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list);
+typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEWINDOWSURFACEPROC) (EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYCONTEXTPROC) (EGLDisplay dpy, EGLContext ctx);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSURFACEPROC) (EGLDisplay dpy, EGLSurface surface);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETCONFIGATTRIBPROC) (EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETCONFIGSPROC) (EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
+typedef EGLDisplay (EGLAPIENTRYP PFNEGLGETCURRENTDISPLAYPROC) (void);
+typedef EGLSurface (EGLAPIENTRYP PFNEGLGETCURRENTSURFACEPROC) (EGLint readdraw);
+typedef EGLDisplay (EGLAPIENTRYP PFNEGLGETDISPLAYPROC) (EGLNativeDisplayType display_id);
+typedef EGLint (EGLAPIENTRYP PFNEGLGETERRORPROC) (void);
+typedef __eglMustCastToProperFunctionPointerType (EGLAPIENTRYP PFNEGLGETPROCADDRESSPROC) (const char *procname);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLINITIALIZEPROC) (EGLDisplay dpy, EGLint *major, EGLint *minor);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLMAKECURRENTPROC) (EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYCONTEXTPROC) (EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value);
+typedef const char *(EGLAPIENTRYP PFNEGLQUERYSTRINGPROC) (EGLDisplay dpy, EGLint name);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSURFACEPROC) (EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSWAPBUFFERSPROC) (EGLDisplay dpy, EGLSurface surface);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLTERMINATEPROC) (EGLDisplay dpy);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLWAITGLPROC) (void);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLWAITNATIVEPROC) (EGLint engine);
+#if EGL_EGL_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglChooseConfig (EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
+EGLAPI EGLBoolean EGLAPIENTRY eglCopyBuffers (EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target);
+EGLAPI EGLContext EGLAPIENTRY eglCreateContext (EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list);
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferSurface (EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurface (EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list);
+EGLAPI EGLSurface EGLAPIENTRY eglCreateWindowSurface (EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroyContext (EGLDisplay dpy, EGLContext ctx);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroySurface (EGLDisplay dpy, EGLSurface surface);
+EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigAttrib (EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value);
+EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigs (EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
+EGLAPI EGLDisplay EGLAPIENTRY eglGetCurrentDisplay (void);
+EGLAPI EGLSurface EGLAPIENTRY eglGetCurrentSurface (EGLint readdraw);
+EGLAPI EGLDisplay EGLAPIENTRY eglGetDisplay (EGLNativeDisplayType display_id);
+EGLAPI EGLint EGLAPIENTRY eglGetError (void);
+EGLAPI __eglMustCastToProperFunctionPointerType EGLAPIENTRY eglGetProcAddress (const char *procname);
+EGLAPI EGLBoolean EGLAPIENTRY eglInitialize (EGLDisplay dpy, EGLint *major, EGLint *minor);
+EGLAPI EGLBoolean EGLAPIENTRY eglMakeCurrent (EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
+EGLAPI EGLBoolean EGLAPIENTRY eglQueryContext (EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value);
+EGLAPI const char *EGLAPIENTRY eglQueryString (EGLDisplay dpy, EGLint name);
+EGLAPI EGLBoolean EGLAPIENTRY eglQuerySurface (EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);
+EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers (EGLDisplay dpy, EGLSurface surface);
+EGLAPI EGLBoolean EGLAPIENTRY eglTerminate (EGLDisplay dpy);
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitGL (void);
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitNative (EGLint engine);
+#endif
+#endif /* EGL_VERSION_1_0 */
+
+#ifndef EGL_VERSION_1_1
+#define EGL_VERSION_1_1 1
+#define EGL_BACK_BUFFER                   0x3084
+#define EGL_BIND_TO_TEXTURE_RGB           0x3039
+#define EGL_BIND_TO_TEXTURE_RGBA          0x303A
+#define EGL_CONTEXT_LOST                  0x300E
+#define EGL_MIN_SWAP_INTERVAL             0x303B
+#define EGL_MAX_SWAP_INTERVAL             0x303C
+#define EGL_MIPMAP_TEXTURE                0x3082
+#define EGL_MIPMAP_LEVEL                  0x3083
+#define EGL_NO_TEXTURE                    0x305C
+#define EGL_TEXTURE_2D                    0x305F
+#define EGL_TEXTURE_FORMAT                0x3080
+#define EGL_TEXTURE_RGB                   0x305D
+#define EGL_TEXTURE_RGBA                  0x305E
+#define EGL_TEXTURE_TARGET                0x3081
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLBINDTEXIMAGEPROC) (EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLRELEASETEXIMAGEPROC) (EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSURFACEATTRIBPROC) (EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSWAPINTERVALPROC) (EGLDisplay dpy, EGLint interval);
+#if EGL_EGL_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglBindTexImage (EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+EGLAPI EGLBoolean EGLAPIENTRY eglReleaseTexImage (EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+EGLAPI EGLBoolean EGLAPIENTRY eglSurfaceAttrib (EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
+EGLAPI EGLBoolean EGLAPIENTRY eglSwapInterval (EGLDisplay dpy, EGLint interval);
+#endif
+#endif /* EGL_VERSION_1_1 */
+
+#ifndef EGL_VERSION_1_2
+#define EGL_VERSION_1_2 1
+typedef unsigned int EGLenum;
+typedef void *EGLClientBuffer;
+#define EGL_ALPHA_FORMAT                  0x3088
+#define EGL_ALPHA_FORMAT_NONPRE           0x308B
+#define EGL_ALPHA_FORMAT_PRE              0x308C
+#define EGL_ALPHA_MASK_SIZE               0x303E
+#define EGL_BUFFER_PRESERVED              0x3094
+#define EGL_BUFFER_DESTROYED              0x3095
+#define EGL_CLIENT_APIS                   0x308D
+#define EGL_COLORSPACE                    0x3087
+#define EGL_COLORSPACE_sRGB               0x3089
+#define EGL_COLORSPACE_LINEAR             0x308A
+#define EGL_COLOR_BUFFER_TYPE             0x303F
+#define EGL_CONTEXT_CLIENT_TYPE           0x3097
+#define EGL_DISPLAY_SCALING               10000
+#define EGL_HORIZONTAL_RESOLUTION         0x3090
+#define EGL_LUMINANCE_BUFFER              0x308F
+#define EGL_LUMINANCE_SIZE                0x303D
+#define EGL_OPENGL_ES_BIT                 0x0001
+#define EGL_OPENVG_BIT                    0x0002
+#define EGL_OPENGL_ES_API                 0x30A0
+#define EGL_OPENVG_API                    0x30A1
+#define EGL_OPENVG_IMAGE                  0x3096
+#define EGL_PIXEL_ASPECT_RATIO            0x3092
+#define EGL_RENDERABLE_TYPE               0x3040
+#define EGL_RENDER_BUFFER                 0x3086
+#define EGL_RGB_BUFFER                    0x308E
+#define EGL_SINGLE_BUFFER                 0x3085
+#define EGL_SWAP_BEHAVIOR                 0x3093
+#define EGL_UNKNOWN                       EGL_CAST(EGLint,-1)
+#define EGL_VERTICAL_RESOLUTION           0x3091
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLBINDAPIPROC) (EGLenum api);
+typedef EGLenum (EGLAPIENTRYP PFNEGLQUERYAPIPROC) (void);
+typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPBUFFERFROMCLIENTBUFFERPROC) (EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLRELEASETHREADPROC) (void);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLWAITCLIENTPROC) (void);
+#if EGL_EGL_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglBindAPI (EGLenum api);
+EGLAPI EGLenum EGLAPIENTRY eglQueryAPI (void);
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferFromClientBuffer (EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglReleaseThread (void);
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitClient (void);
+#endif
+#endif /* EGL_VERSION_1_2 */
+
+#ifndef EGL_VERSION_1_3
+#define EGL_VERSION_1_3 1
+#define EGL_CONFORMANT                    0x3042
+#define EGL_CONTEXT_CLIENT_VERSION        0x3098
+#define EGL_MATCH_NATIVE_PIXMAP           0x3041
+#define EGL_OPENGL_ES2_BIT                0x0004
+#define EGL_VG_ALPHA_FORMAT               0x3088
+#define EGL_VG_ALPHA_FORMAT_NONPRE        0x308B
+#define EGL_VG_ALPHA_FORMAT_PRE           0x308C
+#define EGL_VG_ALPHA_FORMAT_PRE_BIT       0x0040
+#define EGL_VG_COLORSPACE                 0x3087
+#define EGL_VG_COLORSPACE_sRGB            0x3089
+#define EGL_VG_COLORSPACE_LINEAR          0x308A
+#define EGL_VG_COLORSPACE_LINEAR_BIT      0x0020
+#endif /* EGL_VERSION_1_3 */
+
+#ifndef EGL_VERSION_1_4
+#define EGL_VERSION_1_4 1
+#define EGL_DEFAULT_DISPLAY               EGL_CAST(EGLNativeDisplayType,0)
+#define EGL_MULTISAMPLE_RESOLVE_BOX_BIT   0x0200
+#define EGL_MULTISAMPLE_RESOLVE           0x3099
+#define EGL_MULTISAMPLE_RESOLVE_DEFAULT   0x309A
+#define EGL_MULTISAMPLE_RESOLVE_BOX       0x309B
+#define EGL_OPENGL_API                    0x30A2
+#define EGL_OPENGL_BIT                    0x0008
+#define EGL_SWAP_BEHAVIOR_PRESERVED_BIT   0x0400
+typedef EGLContext (EGLAPIENTRYP PFNEGLGETCURRENTCONTEXTPROC) (void);
+#if EGL_EGL_PROTOTYPES
+EGLAPI EGLContext EGLAPIENTRY eglGetCurrentContext (void);
+#endif
+#endif /* EGL_VERSION_1_4 */
+
+#ifndef EGL_VERSION_1_5
+#define EGL_VERSION_1_5 1
+typedef void *EGLSync;
+typedef intptr_t EGLAttrib;
+typedef khronos_utime_nanoseconds_t EGLTime;
+typedef void *EGLImage;
+#define EGL_CONTEXT_MAJOR_VERSION         0x3098
+#define EGL_CONTEXT_MINOR_VERSION         0x30FB
+#define EGL_CONTEXT_OPENGL_PROFILE_MASK   0x30FD
+#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY 0x31BD
+#define EGL_NO_RESET_NOTIFICATION         0x31BE
+#define EGL_LOSE_CONTEXT_ON_RESET         0x31BF
+#define EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT 0x00000001
+#define EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT 0x00000002
+#define EGL_CONTEXT_OPENGL_DEBUG          0x31B0
+#define EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE 0x31B1
+#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS  0x31B2
+#define EGL_OPENGL_ES3_BIT                0x00000040
+#define EGL_CL_EVENT_HANDLE               0x309C
+#define EGL_SYNC_CL_EVENT                 0x30FE
+#define EGL_SYNC_CL_EVENT_COMPLETE        0x30FF
+#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE  0x30F0
+#define EGL_SYNC_TYPE                     0x30F7
+#define EGL_SYNC_STATUS                   0x30F1
+#define EGL_SYNC_CONDITION                0x30F8
+#define EGL_SIGNALED                      0x30F2
+#define EGL_UNSIGNALED                    0x30F3
+#define EGL_SYNC_FLUSH_COMMANDS_BIT       0x0001
+#define EGL_FOREVER                       0xFFFFFFFFFFFFFFFFull
+#define EGL_TIMEOUT_EXPIRED               0x30F5
+#define EGL_CONDITION_SATISFIED           0x30F6
+#define EGL_NO_SYNC                       EGL_CAST(EGLSync,0)
+#define EGL_SYNC_FENCE                    0x30F9
+#define EGL_GL_COLORSPACE                 0x309D
+#define EGL_GL_COLORSPACE_SRGB            0x3089
+#define EGL_GL_COLORSPACE_LINEAR          0x308A
+#define EGL_GL_RENDERBUFFER               0x30B9
+#define EGL_GL_TEXTURE_2D                 0x30B1
+#define EGL_GL_TEXTURE_LEVEL              0x30BC
+#define EGL_GL_TEXTURE_3D                 0x30B2
+#define EGL_GL_TEXTURE_ZOFFSET            0x30BD
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x30B3
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x30B4
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x30B5
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x30B6
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x30B7
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x30B8
+#define EGL_IMAGE_PRESERVED               0x30D2
+#define EGL_NO_IMAGE                      EGL_CAST(EGLImage,0)
+typedef EGLSync (EGLAPIENTRYP PFNEGLCREATESYNCPROC) (EGLDisplay dpy, EGLenum type, const EGLAttrib *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCPROC) (EGLDisplay dpy, EGLSync sync);
+typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCPROC) (EGLDisplay dpy, EGLSync sync, EGLint flags, EGLTime timeout);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBPROC) (EGLDisplay dpy, EGLSync sync, EGLint attribute, EGLAttrib *value);
+typedef EGLImage (EGLAPIENTRYP PFNEGLCREATEIMAGEPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLAttrib *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEPROC) (EGLDisplay dpy, EGLImage image);
+typedef EGLDisplay (EGLAPIENTRYP PFNEGLGETPLATFORMDISPLAYPROC) (EGLenum platform, void *native_display, const EGLAttrib *attrib_list);
+typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPLATFORMWINDOWSURFACEPROC) (EGLDisplay dpy, EGLConfig config, void *native_window, const EGLAttrib *attrib_list);
+typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPLATFORMPIXMAPSURFACEPROC) (EGLDisplay dpy, EGLConfig config, void *native_pixmap, const EGLAttrib *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLWAITSYNCPROC) (EGLDisplay dpy, EGLSync sync, EGLint flags);
+#if EGL_EGL_PROTOTYPES
+EGLAPI EGLSync EGLAPIENTRY eglCreateSync (EGLDisplay dpy, EGLenum type, const EGLAttrib *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroySync (EGLDisplay dpy, EGLSync sync);
+EGLAPI EGLint EGLAPIENTRY eglClientWaitSync (EGLDisplay dpy, EGLSync sync, EGLint flags, EGLTime timeout);
+EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncAttrib (EGLDisplay dpy, EGLSync sync, EGLint attribute, EGLAttrib *value);
+EGLAPI EGLImage EGLAPIENTRY eglCreateImage (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLAttrib *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroyImage (EGLDisplay dpy, EGLImage image);
+EGLAPI EGLDisplay EGLAPIENTRY eglGetPlatformDisplay (EGLenum platform, void *native_display, const EGLAttrib *attrib_list);
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePlatformWindowSurface (EGLDisplay dpy, EGLConfig config, void *native_window, const EGLAttrib *attrib_list);
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePlatformPixmapSurface (EGLDisplay dpy, EGLConfig config, void *native_pixmap, const EGLAttrib *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitSync (EGLDisplay dpy, EGLSync sync, EGLint flags);
+#endif
+#endif /* EGL_VERSION_1_5 */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

thirdparty/angle/include/EGL/eglext_angle.h

@@ -0,0 +1,428 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// eglext_angle.h: ANGLE modifications to the eglext.h header file.
+//   Currently we don't include this file directly, we patch eglext.h
+//   to include it implicitly so it is visible throughout our code.
+
+#ifndef INCLUDE_EGL_EGLEXT_ANGLE_
+#define INCLUDE_EGL_EGLEXT_ANGLE_
+
+// clang-format off
+
+#ifndef EGL_ANGLE_robust_resource_initialization
+#define EGL_ANGLE_robust_resource_initialization 1
+#define EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE 0x3453
+#endif /* EGL_ANGLE_robust_resource_initialization */
+
+#ifndef EGL_ANGLE_keyed_mutex
+#define EGL_ANGLE_keyed_mutex 1
+#define EGL_DXGI_KEYED_MUTEX_ANGLE        0x33A2
+#endif /* EGL_ANGLE_keyed_mutex */
+
+#ifndef EGL_ANGLE_d3d_texture_client_buffer
+#define EGL_ANGLE_d3d_texture_client_buffer 1
+#define EGL_D3D_TEXTURE_ANGLE 0x33A3
+#define EGL_TEXTURE_OFFSET_X_ANGLE 0x3490
+#define EGL_TEXTURE_OFFSET_Y_ANGLE 0x3491
+#define EGL_D3D11_TEXTURE_PLANE_ANGLE 0x3492
+#define EGL_D3D11_TEXTURE_ARRAY_SLICE_ANGLE 0x3493
+#endif /* EGL_ANGLE_d3d_texture_client_buffer */
+
+#ifndef EGL_ANGLE_software_display
+#define EGL_ANGLE_software_display 1
+#define EGL_SOFTWARE_DISPLAY_ANGLE ((EGLNativeDisplayType)-1)
+#endif /* EGL_ANGLE_software_display */
+
+#ifndef EGL_ANGLE_direct3d_display
+#define EGL_ANGLE_direct3d_display 1
+#define EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE ((EGLNativeDisplayType)-2)
+#define EGL_D3D11_ONLY_DISPLAY_ANGLE ((EGLNativeDisplayType)-3)
+#endif /* EGL_ANGLE_direct3d_display */
+
+#ifndef EGL_ANGLE_direct_composition
+#define EGL_ANGLE_direct_composition 1
+#define EGL_DIRECT_COMPOSITION_ANGLE 0x33A5
+#endif /* EGL_ANGLE_direct_composition */
+
+#ifndef EGL_ANGLE_platform_angle
+#define EGL_ANGLE_platform_angle 1
+#define EGL_PLATFORM_ANGLE_ANGLE          0x3202
+#define EGL_PLATFORM_ANGLE_TYPE_ANGLE     0x3203
+#define EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE 0x3204
+#define EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE 0x3205
+#define EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE 0x3206
+#define EGL_PLATFORM_ANGLE_DEBUG_LAYERS_ENABLED_ANGLE 0x3451
+#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE 0x3209
+#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE 0x320A
+#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE 0x345E
+#define EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE 0x348F
+#endif /* EGL_ANGLE_platform_angle */
+
+#ifndef EGL_ANGLE_platform_angle_d3d
+#define EGL_ANGLE_platform_angle_d3d 1
+#define EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE 0x3207
+#define EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE 0x3208
+#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE 0x320B
+#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_REFERENCE_ANGLE 0x320C
+#define EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE 0x320F
+#endif /* EGL_ANGLE_platform_angle_d3d */
+
+#ifndef EGL_ANGLE_platform_angle_d3d_luid
+#define EGL_ANGLE_platform_angle_d3d_luid 1
+#define EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE 0x34A0
+#define EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE 0x34A1
+#endif /* EGL_ANGLE_platform_angle_d3d_luid */
+
+#ifndef EGL_ANGLE_platform_angle_d3d11on12
+#define EGL_ANGLE_platform_angle_d3d11on12 1
+#define EGL_PLATFORM_ANGLE_D3D11ON12_ANGLE 0x3488
+#endif /* EGL_ANGLE_platform_angle_d3d11on12 */
+
+#ifndef EGL_ANGLE_platform_angle_opengl
+#define EGL_ANGLE_platform_angle_opengl 1
+#define EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE 0x320D
+#define EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE 0x320E
+#define EGL_PLATFORM_ANGLE_EGL_HANDLE_ANGLE 0x3480
+#endif /* EGL_ANGLE_platform_angle_opengl */
+
+#ifndef EGL_ANGLE_platform_angle_null
+#define EGL_ANGLE_platform_angle_null 1
+#define EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE 0x33AE
+#endif /* EGL_ANGLE_platform_angle_null */
+
+#ifndef EGL_ANGLE_platform_angle_vulkan
+#define EGL_ANGLE_platform_angle_vulkan 1
+#define EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE 0x3450
+#define EGL_PLATFORM_VULKAN_DISPLAY_MODE_SIMPLE_ANGLE 0x34A4
+#define EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE 0x34A5
+#endif /* EGL_ANGLE_platform_angle_vulkan */
+
+#ifndef EGL_ANGLE_platform_angle_metal
+#define EGL_ANGLE_platform_angle_metal 1
+#define EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE 0x3489
+#endif /* EGL_ANGLE_platform_angle_metal  */
+
+#ifndef EGL_ANGLE_platform_angle_device_type_swiftshader
+#define EGL_ANGLE_platform_angle_device_type_swiftshader
+#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_SWIFTSHADER_ANGLE 0x3487
+#endif /* EGL_ANGLE_platform_angle_device_type_swiftshader */
+
+#ifndef EGL_ANGLE_platform_angle_device_type_egl_angle
+#define EGL_ANGLE_platform_angle_device_type_egl_angle
+#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_EGL_ANGLE 0x348E
+#endif /* EGL_ANGLE_platform_angle_device_type_egl_angle */
+
+#ifndef EGL_ANGLE_context_virtualization
+#define EGL_ANGLE_context_virtualization 1
+#define EGL_CONTEXT_VIRTUALIZATION_GROUP_ANGLE 0x3481
+#endif /* EGL_ANGLE_context_virtualization */
+
+#ifndef EGL_ANGLE_platform_angle_device_context_volatile_eagl
+#define EGL_ANGLE_platform_angle_device_context_volatile_eagl 1
+#define EGL_PLATFORM_ANGLE_DEVICE_CONTEXT_VOLATILE_EAGL_ANGLE 0x34A2
+#endif /* EGL_ANGLE_platform_angle_device_context_volatile_eagl */
+
+#ifndef EGL_ANGLE_platform_angle_device_context_volatile_cgl
+#define EGL_ANGLE_platform_angle_device_context_volatile_cgl 1
+#define EGL_PLATFORM_ANGLE_DEVICE_CONTEXT_VOLATILE_CGL_ANGLE 0x34A3
+#endif /* EGL_ANGLE_platform_angle_device_context_volatile_cgl */
+
+#ifndef EGL_ANGLE_platform_angle_device_id
+#define EGL_ANGLE_platform_angle_device_id
+#define EGL_PLATFORM_ANGLE_DEVICE_ID_HIGH_ANGLE 0x34D6
+#define EGL_PLATFORM_ANGLE_DEVICE_ID_LOW_ANGLE 0x34D7
+#define EGL_PLATFORM_ANGLE_DISPLAY_KEY_ANGLE 0x34DC
+#endif /* EGL_ANGLE_platform_angle_device_id */
+
+#ifndef EGL_ANGLE_x11_visual
+#define EGL_ANGLE_x11_visual
+#define EGL_X11_VISUAL_ID_ANGLE 0x33A3
+#endif /* EGL_ANGLE_x11_visual */
+
+#ifndef EGL_ANGLE_surface_orientation
+#define EGL_ANGLE_surface_orientation
+#define EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE 0x33A7
+#define EGL_SURFACE_ORIENTATION_ANGLE 0x33A8
+#define EGL_SURFACE_ORIENTATION_INVERT_X_ANGLE 0x0001
+#define EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE 0x0002
+#endif /* EGL_ANGLE_surface_orientation */
+
+#ifndef EGL_ANGLE_experimental_present_path
+#define EGL_ANGLE_experimental_present_path
+#define EGL_EXPERIMENTAL_PRESENT_PATH_ANGLE 0x33A4
+#define EGL_EXPERIMENTAL_PRESENT_PATH_FAST_ANGLE 0x33A9
+#define EGL_EXPERIMENTAL_PRESENT_PATH_COPY_ANGLE 0x33AA
+#endif /* EGL_ANGLE_experimental_present_path */
+
+#ifndef EGL_ANGLE_stream_producer_d3d_texture
+#define EGL_ANGLE_stream_producer_d3d_texture
+#define EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE 0x33AB
+typedef EGLBoolean(EGLAPIENTRYP PFNEGLCREATESTREAMPRODUCERD3DTEXTUREANGLEPROC)(EGLDisplay dpy, EGLStreamKHR stream, const EGLAttrib *attrib_list);
+typedef EGLBoolean(EGLAPIENTRYP PFNEGLSTREAMPOSTD3DTEXTUREANGLEPROC)(EGLDisplay dpy, EGLStreamKHR stream, void *texture, const EGLAttrib *attrib_list);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglCreateStreamProducerD3DTextureANGLE(EGLDisplay dpy, EGLStreamKHR stream, const EGLAttrib *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglStreamPostD3DTextureANGLE(EGLDisplay dpy, EGLStreamKHR stream, void *texture, const EGLAttrib *attrib_list);
+#endif
+#endif /* EGL_ANGLE_stream_producer_d3d_texture */
+
+#ifndef EGL_ANGLE_create_context_webgl_compatibility
+#define EGL_ANGLE_create_context_webgl_compatibility 1
+#define EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE 0x33AC
+#endif /* EGL_ANGLE_create_context_webgl_compatibility */
+
+#ifndef EGL_ANGLE_display_texture_share_group
+#define EGL_ANGLE_display_texture_share_group 1
+#define EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE 0x33AF
+#endif /* EGL_ANGLE_display_texture_share_group */
+
+#ifndef EGL_CHROMIUM_create_context_bind_generates_resource
+#define EGL_CHROMIUM_create_context_bind_generates_resource 1
+#define EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM 0x33AD
+#endif /* EGL_CHROMIUM_create_context_bind_generates_resource */
+
+#ifndef EGL_ANGLE_metal_create_context_ownership_identity
+#define EGL_ANGLE_metal_create_context_ownership_identity 1
+#define EGL_CONTEXT_METAL_OWNERSHIP_IDENTITY_ANGLE 0x34D2
+#endif /* EGL_ANGLE_metal_create_context_ownership_identity */
+
+#ifndef EGL_ANGLE_create_context_client_arrays
+#define EGL_ANGLE_create_context_client_arrays 1
+#define EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE 0x3452
+#endif /* EGL_ANGLE_create_context_client_arrays */
+
+#ifndef EGL_ANGLE_device_creation
+#define EGL_ANGLE_device_creation 1
+typedef EGLDeviceEXT(EGLAPIENTRYP PFNEGLCREATEDEVICEANGLEPROC) (EGLint device_type, void *native_device, const EGLAttrib *attrib_list);
+typedef EGLBoolean(EGLAPIENTRYP PFNEGLRELEASEDEVICEANGLEPROC) (EGLDeviceEXT device);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLDeviceEXT EGLAPIENTRY eglCreateDeviceANGLE(EGLint device_type, void *native_device, const EGLAttrib *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglReleaseDeviceANGLE(EGLDeviceEXT device);
+#endif
+#endif /* EGL_ANGLE_device_creation */
+
+#ifndef EGL_ANGLE_program_cache_control
+#define EGL_ANGLE_program_cache_control 1
+#define EGL_PROGRAM_CACHE_SIZE_ANGLE 0x3455
+#define EGL_PROGRAM_CACHE_KEY_LENGTH_ANGLE 0x3456
+#define EGL_PROGRAM_CACHE_RESIZE_ANGLE 0x3457
+#define EGL_PROGRAM_CACHE_TRIM_ANGLE 0x3458
+#define EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE 0x3459
+typedef EGLint (EGLAPIENTRYP PFNEGLPROGRAMCACHEGETATTRIBANGLEPROC) (EGLDisplay dpy, EGLenum attrib);
+typedef void (EGLAPIENTRYP PFNEGLPROGRAMCACHEQUERYANGLEPROC) (EGLDisplay dpy, EGLint index, void *key, EGLint *keysize, void *binary, EGLint *binarysize);
+typedef void (EGLAPIENTRYP PFNEGLPROGRAMCACHEPOPULATEANGLEPROC) (EGLDisplay dpy, const void *key, EGLint keysize, const void *binary, EGLint binarysize);
+typedef EGLint (EGLAPIENTRYP PFNEGLPROGRAMCACHERESIZEANGLEPROC) (EGLDisplay dpy, EGLint limit, EGLint mode);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLint EGLAPIENTRY eglProgramCacheGetAttribANGLE(EGLDisplay dpy, EGLenum attrib);
+EGLAPI void EGLAPIENTRY eglProgramCacheQueryANGLE(EGLDisplay dpy, EGLint index, void *key, EGLint *keysize, void *binary, EGLint *binarysize);
+EGLAPI void EGLAPIENTRY eglProgramCachePopulateANGLE(EGLDisplay dpy, const void *key, EGLint keysize, const void *binary, EGLint binarysize);
+EGLAPI EGLint EGLAPIENTRY eglProgramCacheResizeANGLE(EGLDisplay dpy, EGLint limit, EGLint mode);
+#endif
+#endif /* EGL_ANGLE_program_cache_control */
+
+#ifndef EGL_ANGLE_iosurface_client_buffer
+#define EGL_ANGLE_iosurface_client_buffer 1
+#define EGL_IOSURFACE_ANGLE 0x3454
+#define EGL_IOSURFACE_PLANE_ANGLE 0x345A
+#define EGL_TEXTURE_RECTANGLE_ANGLE 0x345B
+#define EGL_TEXTURE_TYPE_ANGLE 0x345C
+#define EGL_TEXTURE_INTERNAL_FORMAT_ANGLE 0x345D
+#define EGL_IOSURFACE_USAGE_HINT_ANGLE 0x348A
+#define EGL_IOSURFACE_READ_HINT_ANGLE 0x0001
+#define EGL_IOSURFACE_WRITE_HINT_ANGLE 0x0002
+#define EGL_BIND_TO_TEXTURE_TARGET_ANGLE 0x348D
+#endif /* EGL_ANGLE_iosurface_client_buffer */
+
+#ifndef ANGLE_metal_texture_client_buffer
+#define ANGLE_metal_texture_client_buffer 1
+#define EGL_METAL_TEXTURE_ANGLE 0x34A7
+#endif /* ANGLE_metal_texture_client_buffer */
+
+#ifndef EGL_ANGLE_create_context_extensions_enabled
+#define EGL_ANGLE_create_context_extensions_enabled 1
+#define EGL_EXTENSIONS_ENABLED_ANGLE 0x345F
+#endif /* EGL_ANGLE_create_context_extensions_enabled */
+
+#ifndef EGL_CHROMIUM_sync_control
+#define EGL_CHROMIUM_sync_control 1
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCVALUESCHROMIUMPROC) (EGLDisplay dpy,
+                                                             EGLSurface surface,
+                                                             EGLuint64KHR *ust,
+                                                             EGLuint64KHR *msc,
+                                                             EGLuint64KHR *sbc);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncValuesCHROMIUM(EGLDisplay dpy,
+                                                             EGLSurface surface,
+                                                             EGLuint64KHR *ust,
+                                                             EGLuint64KHR *msc,
+                                                             EGLuint64KHR *sbc);
+#endif
+#endif /* EGL_CHROMIUM_sync_control */
+
+#ifndef EGL_ANGLE_sync_control_rate
+#define EGL_ANGLE_sync_control_rate 1
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETMSCRATEANGLEPROC) (EGLDisplay dpy,
+                                                             EGLSurface surface,
+                                                             EGLint *numerator,
+                                                             EGLint *denominator);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglGetMscRateANGLE(EGLDisplay dpy,
+                                                             EGLSurface surface,
+                                                             EGLint *numerator,
+                                                             EGLint *denominator);
+#endif
+#endif /* EGL_ANGLE_sync_control_rate */
+
+#ifndef EGL_ANGLE_power_preference
+#define EGL_ANGLE_power_preference 1
+#define EGL_POWER_PREFERENCE_ANGLE 0x3482
+#define EGL_LOW_POWER_ANGLE 0x0001
+#define EGL_HIGH_POWER_ANGLE 0x0002
+typedef void(EGLAPIENTRYP PFNEGLRELEASEHIGHPOWERGPUANGLEPROC) (EGLDisplay dpy, EGLContext ctx);
+typedef void(EGLAPIENTRYP PFNEGLREACQUIREHIGHPOWERGPUANGLEPROC) (EGLDisplay dpy, EGLContext ctx);
+typedef void(EGLAPIENTRYP PFNEGLHANDLEGPUSWITCHANGLEPROC) (EGLDisplay dpy);
+typedef void(EGLAPIENTRYP PFNEGLFORCEGPUSWITCHANGLEPROC) (EGLDisplay dpy, EGLint gpuIDHigh, EGLint gpuIDLow);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI void EGLAPIENTRY eglReleaseHighPowerGPUANGLE(EGLDisplay dpy, EGLContext ctx);
+EGLAPI void EGLAPIENTRY eglReacquireHighPowerGPUANGLE(EGLDisplay dpy, EGLContext ctx);
+EGLAPI void EGLAPIENTRY eglHandleGPUSwitchANGLE(EGLDisplay dpy);
+EGLAPI void EGLAPIENTRY eglForceGPUSwitchANGLE(EGLDisplay dpy, EGLint gpuIDHigh, EGLint gpuIDLow);
+#endif
+#endif /* EGL_ANGLE_power_preference */
+
+#ifndef EGL_ANGLE_wait_until_work_scheduled
+#define EGL_ANGLE_wait_until_work_scheduled 1
+typedef void(EGLAPIENTRYP PFNEGLWAITUNTILWORKSCHEDULEDANGLEPROC) (EGLDisplay dpy);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI void EGLAPIENTRY eglWaitUntilWorkScheduledANGLE(EGLDisplay dpy);
+#endif
+#endif /* EGL_ANGLE_wait_until_work_scheduled */
+
+#ifndef EGL_ANGLE_feature_control
+#define EGL_ANGLE_feature_control 1
+#define EGL_FEATURE_NAME_ANGLE 0x3460
+#define EGL_FEATURE_CATEGORY_ANGLE 0x3461
+#define EGL_FEATURE_DESCRIPTION_ANGLE 0x3462
+#define EGL_FEATURE_BUG_ANGLE 0x3463
+#define EGL_FEATURE_STATUS_ANGLE 0x3464
+#define EGL_FEATURE_COUNT_ANGLE 0x3465
+#define EGL_FEATURE_OVERRIDES_ENABLED_ANGLE 0x3466
+#define EGL_FEATURE_OVERRIDES_DISABLED_ANGLE 0x3467
+#define EGL_FEATURE_CONDITION_ANGLE 0x3468
+#define EGL_FEATURE_ALL_DISABLED_ANGLE 0x3469
+typedef const char *(EGLAPIENTRYP PFNEGLQUERYSTRINGIANGLEPROC) (EGLDisplay dpy, EGLint name, EGLint index);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDISPLAYATTRIBANGLEPROC) (EGLDisplay dpy, EGLint attribute, EGLAttrib *value);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI const char *EGLAPIENTRY eglQueryStringiANGLE(EGLDisplay dpy, EGLint name, EGLint index);
+EGLAPI EGLBoolean EGLAPIENTRY eglQueryDisplayAttribANGLE(EGLDisplay dpy, EGLint attribute, EGLAttrib *value);
+#endif
+#endif /* EGL_ANGLE_feature_control */
+
+#ifndef EGL_ANGLE_image_d3d11_texture
+#define EGL_D3D11_TEXTURE_ANGLE 0x3484
+#define EGL_TEXTURE_INTERNAL_FORMAT_ANGLE 0x345D
+#endif /* EGL_ANGLE_image_d3d11_texture */
+
+#ifndef EGL_ANGLE_create_context_backwards_compatible
+#define EGL_ANGLE_create_context_backwards_compatible 1
+#define EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE 0x3483
+#endif /* EGL_ANGLE_create_context_backwards_compatible */
+
+#ifndef EGL_ANGLE_device_cgl
+#define EGL_ANGLE_device_cgl 1
+#define EGL_CGL_CONTEXT_ANGLE 0x3485
+#define EGL_CGL_PIXEL_FORMAT_ANGLE 0x3486
+#endif
+
+#ifndef EGL_ANGLE_ggp_stream_descriptor
+#define EGL_ANGLE_ggp_stream_descriptor 1
+#define EGL_GGP_STREAM_DESCRIPTOR_ANGLE 0x348B
+#endif /* EGL_ANGLE_ggp_stream_descriptor */
+
+#ifndef EGL_ANGLE_swap_with_frame_token
+#define EGL_ANGLE_swap_with_frame_token 1
+typedef khronos_uint64_t EGLFrameTokenANGLE;
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSWAPBUFFERSWITHFRAMETOKENANGLEPROC)(EGLDisplay dpy, EGLSurface surface, EGLFrameTokenANGLE frametoken);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffersWithFrameTokenANGLE(EGLDisplay dpy, EGLSurface surface, EGLFrameTokenANGLE frametoken);
+#endif
+#endif /* EGL_ANGLE_swap_with_frame_token */
+
+#ifndef EGL_ANGLE_prepare_swap_buffers
+#define EGL_ANGLE_prepare_swap_buffers 1
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLPREPARESWAPBUFFERSANGLEPROC)(EGLDisplay dpy, EGLSurface surface);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglPrepareSwapBuffersANGLE(EGLDisplay dpy, EGLSurface surface);
+#endif
+#endif /* EGL_ANGLE_prepare_swap_buffers */
+
+#ifndef EGL_ANGLE_device_eagl
+#define EGL_ANGLE_device_eagl 1
+#define EGL_EAGL_CONTEXT_ANGLE 0x348C
+#endif
+
+#ifndef EGL_ANGLE_device_metal
+#define EGL_ANGLE_device_metal 1
+#define EGL_METAL_DEVICE_ANGLE 0x34A6
+#endif /* EGL_ANGLE_device_metal */
+
+#ifndef EGL_ANGLE_display_semaphore_share_group
+#define EGL_ANGLE_display_semaphore_share_group 1
+#define EGL_DISPLAY_SEMAPHORE_SHARE_GROUP_ANGLE 0x348D
+#endif /* EGL_ANGLE_display_semaphore_share_group */
+
+#ifndef EGL_ANGLE_external_context_and_surface
+#define EGL_ANGLE_external_context_and_surface 1
+#define EGL_EXTERNAL_CONTEXT_ANGLE 0x348E
+#define EGL_EXTERNAL_SURFACE_ANGLE 0x348F
+#define EGL_EXTERNAL_CONTEXT_SAVE_STATE_ANGLE 0x3490
+#endif /* EGL_ANGLE_external_context_and_surface */
+
+#ifndef EGL_ANGLE_create_surface_swap_interval
+#define EGL_ANGLE_create_surface_swap_interval 1
+#define EGL_SWAP_INTERVAL_ANGLE 0x322F
+#endif /* EGL_ANGLE_create_surface_swap_interval */
+
+#ifndef EGL_ANGLE_device_vulkan
+#define EGL_ANGLE_device_vulkan 1
+#define EGL_VULKAN_VERSION_ANGLE 0x34A8
+#define EGL_VULKAN_INSTANCE_ANGLE 0x34A9
+#define EGL_VULKAN_INSTANCE_EXTENSIONS_ANGLE 0x34AA
+#define EGL_VULKAN_PHYSICAL_DEVICE_ANGLE 0x34AB
+#define EGL_VULKAN_DEVICE_ANGLE 0x34AC
+#define EGL_VULKAN_DEVICE_EXTENSIONS_ANGLE 0x34AD
+#define EGL_VULKAN_FEATURES_ANGLE 0x34AE
+#define EGL_VULKAN_QUEUE_ANGLE 0x34AF
+#define EGL_VULKAN_QUEUE_FAMILIY_INDEX_ANGLE 0x34D0
+#define EGL_VULKAN_GET_INSTANCE_PROC_ADDR 0x34D1
+#endif /* EGL_ANGLE_device_vulkan */
+
+#ifndef EGL_ANGLE_vulkan_image
+#define EGL_ANGLE_vulkan_image
+#define EGL_VULKAN_IMAGE_ANGLE 0x34D3
+#define EGL_VULKAN_IMAGE_CREATE_INFO_HI_ANGLE 0x34D4
+#define EGL_VULKAN_IMAGE_CREATE_INFO_LO_ANGLE 0x34D5
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTVKIMAGEANGLEPROC)(EGLDisplay dpy, EGLImage image, void* vk_image, void* vk_image_create_info);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglExportVkImageANGLE(EGLDisplay dpy, EGLImage image, void* vk_image, void* vk_image_create_info);
+#endif
+#endif /* EGL_ANGLE_vulkan_image */
+
+#ifndef EGL_ANGLE_metal_shared_event_sync
+#define EGL_ANGLE_metal_hared_event_sync 1
+#define EGL_SYNC_METAL_SHARED_EVENT_ANGLE 0x34D8
+#define EGL_SYNC_METAL_SHARED_EVENT_OBJECT_ANGLE 0x34D9
+#define EGL_SYNC_METAL_SHARED_EVENT_SIGNAL_VALUE_LO_ANGLE 0x34DA
+#define EGL_SYNC_METAL_SHARED_EVENT_SIGNAL_VALUE_HI_ANGLE 0x34DB
+#define EGL_SYNC_METAL_SHARED_EVENT_SIGNALED_ANGLE 0x34DC
+typedef void* (EGLAPIENTRYP PFNEGLCOPYMETALSHAREDEVENTANGLEPROC)(EGLDisplay dpy, EGLSync sync);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI void *EGLAPIENTRY eglCopyMetalSharedEventANGLE(EGLDisplay dpy, EGLSync sync);
+#endif
+#endif /* EGL_ANGLE_metal_shared_event_sync */
+
+// clang-format on
+
+#endif  // INCLUDE_EGL_EGLEXT_ANGLE_

thirdparty/angle/include/EGL/eglplatform.h

@@ -0,0 +1,175 @@
+#ifndef __eglplatform_h_
+#define __eglplatform_h_
+
+/*
+** Copyright 2007-2020 The Khronos Group Inc.
+** SPDX-License-Identifier: Apache-2.0
+*/
+
+/* Platform-specific types and definitions for egl.h
+ *
+ * Adopters may modify khrplatform.h and this file to suit their platform.
+ * You are encouraged to submit all modifications to the Khronos group so that
+ * they can be included in future versions of this file.  Please submit changes
+ * by filing an issue or pull request on the public Khronos EGL Registry, at
+ * https://www.github.com/KhronosGroup/EGL-Registry/
+ */
+
+#include <KHR/khrplatform.h>
+
+/* Macros used in EGL function prototype declarations.
+ *
+ * EGL functions should be prototyped as:
+ *
+ * EGLAPI return-type EGLAPIENTRY eglFunction(arguments);
+ * typedef return-type (EXPAPIENTRYP PFNEGLFUNCTIONPROC) (arguments);
+ *
+ * KHRONOS_APICALL and KHRONOS_APIENTRY are defined in KHR/khrplatform.h
+ */
+
+#ifndef EGLAPI
+#define EGLAPI KHRONOS_APICALL
+#endif
+
+#ifndef EGLAPIENTRY
+#define EGLAPIENTRY  KHRONOS_APIENTRY
+#endif
+#define EGLAPIENTRYP EGLAPIENTRY*
+
+/* The types NativeDisplayType, NativeWindowType, and NativePixmapType
+ * are aliases of window-system-dependent types, such as X Display * or
+ * Windows Device Context. They must be defined in platform-specific
+ * code below. The EGL-prefixed versions of Native*Type are the same
+ * types, renamed in EGL 1.3 so all types in the API start with "EGL".
+ *
+ * Khronos STRONGLY RECOMMENDS that you use the default definitions
+ * provided below, since these changes affect both binary and source
+ * portability of applications using EGL running on different EGL
+ * implementations.
+ */
+
+#if defined(EGL_NO_PLATFORM_SPECIFIC_TYPES)
+
+typedef void *EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#include <windows.h>
+
+typedef HDC     EGLNativeDisplayType;
+typedef HBITMAP EGLNativePixmapType;
+
+#if !defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP) /* Windows Desktop */
+typedef HWND    EGLNativeWindowType;
+#else /* Windows Store */
+#include <inspectable.h>
+typedef IInspectable* EGLNativeWindowType;
+#endif
+
+#elif defined(__EMSCRIPTEN__)
+
+typedef int EGLNativeDisplayType;
+typedef int EGLNativePixmapType;
+typedef int EGLNativeWindowType;
+
+#elif defined(__WINSCW__) || defined(__SYMBIAN32__)  /* Symbian */
+
+typedef int   EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(WL_EGL_PLATFORM)
+
+typedef struct wl_display     *EGLNativeDisplayType;
+typedef struct wl_egl_pixmap  *EGLNativePixmapType;
+typedef struct wl_egl_window  *EGLNativeWindowType;
+
+#elif defined(__GBM__)
+
+typedef struct gbm_device  *EGLNativeDisplayType;
+typedef struct gbm_bo      *EGLNativePixmapType;
+typedef void               *EGLNativeWindowType;
+
+#elif defined(__ANDROID__) || defined(ANDROID)
+
+struct ANativeWindow;
+struct egl_native_pixmap_t;
+
+typedef void*                           EGLNativeDisplayType;
+typedef struct egl_native_pixmap_t*     EGLNativePixmapType;
+typedef struct ANativeWindow*           EGLNativeWindowType;
+
+#elif defined(USE_OZONE)
+
+typedef intptr_t EGLNativeDisplayType;
+typedef intptr_t EGLNativePixmapType;
+typedef intptr_t EGLNativeWindowType;
+
+#elif defined(USE_X11)
+
+/* X11 (tentative)  */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+typedef Display *EGLNativeDisplayType;
+typedef Pixmap   EGLNativePixmapType;
+typedef Window   EGLNativeWindowType;
+
+#elif defined(__unix__)
+
+typedef void             *EGLNativeDisplayType;
+typedef khronos_uintptr_t EGLNativePixmapType;
+typedef khronos_uintptr_t EGLNativeWindowType;
+
+#elif defined(__APPLE__)
+
+typedef int   EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(__HAIKU__)
+
+#include <kernel/image.h>
+
+typedef void              *EGLNativeDisplayType;
+typedef khronos_uintptr_t  EGLNativePixmapType;
+typedef khronos_uintptr_t  EGLNativeWindowType;
+
+#elif defined(__Fuchsia__)
+
+typedef void              *EGLNativeDisplayType;
+typedef khronos_uintptr_t  EGLNativePixmapType;
+typedef khronos_uintptr_t  EGLNativeWindowType;
+
+#else
+#error "Platform not recognized"
+#endif
+
+/* EGL 1.2 types, renamed for consistency in EGL 1.3 */
+typedef EGLNativeDisplayType NativeDisplayType;
+typedef EGLNativePixmapType  NativePixmapType;
+typedef EGLNativeWindowType  NativeWindowType;
+
+
+/* Define EGLint. This must be a signed integral type large enough to contain
+ * all legal attribute names and values passed into and out of EGL, whether
+ * their type is boolean, bitmask, enumerant (symbolic constant), integer,
+ * handle, or other.  While in general a 32-bit integer will suffice, if
+ * handles are 64 bit types, then EGLint should be defined as a signed 64-bit
+ * integer type.
+ */
+typedef khronos_int32_t EGLint;
+
+
+/* C++ / C typecast macros for special EGL handle values */
+#if defined(__cplusplus)
+#define EGL_CAST(type, value) (static_cast<type>(value))
+#else
+#define EGL_CAST(type, value) ((type) (value))
+#endif
+
+#endif /* __eglplatform_h */

thirdparty/angle/include/KHR/khrplatform.h

@@ -0,0 +1,290 @@
+#ifndef __khrplatform_h_
+#define __khrplatform_h_
+
+/*
+** Copyright (c) 2008-2018 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+/* Khronos platform-specific types and definitions.
+ *
+ * The master copy of khrplatform.h is maintained in the Khronos EGL
+ * Registry repository at https://github.com/KhronosGroup/EGL-Registry
+ * The last semantic modification to khrplatform.h was at commit ID:
+ *      67a3e0864c2d75ea5287b9f3d2eb74a745936692
+ *
+ * Adopters may modify this file to suit their platform. Adopters are
+ * encouraged to submit platform specific modifications to the Khronos
+ * group so that they can be included in future versions of this file.
+ * Please submit changes by filing pull requests or issues on
+ * the EGL Registry repository linked above.
+ *
+ *
+ * See the Implementer's Guidelines for information about where this file
+ * should be located on your system and for more details of its use:
+ *    http://www.khronos.org/registry/implementers_guide.pdf
+ *
+ * This file should be included as
+ *        #include <KHR/khrplatform.h>
+ * by Khronos client API header files that use its types and defines.
+ *
+ * The types in khrplatform.h should only be used to define API-specific types.
+ *
+ * Types defined in khrplatform.h:
+ *    khronos_int8_t              signed   8  bit
+ *    khronos_uint8_t             unsigned 8  bit
+ *    khronos_int16_t             signed   16 bit
+ *    khronos_uint16_t            unsigned 16 bit
+ *    khronos_int32_t             signed   32 bit
+ *    khronos_uint32_t            unsigned 32 bit
+ *    khronos_int64_t             signed   64 bit
+ *    khronos_uint64_t            unsigned 64 bit
+ *    khronos_intptr_t            signed   same number of bits as a pointer
+ *    khronos_uintptr_t           unsigned same number of bits as a pointer
+ *    khronos_ssize_t             signed   size
+ *    khronos_usize_t             unsigned size
+ *    khronos_float_t             signed   32 bit floating point
+ *    khronos_time_ns_t           unsigned 64 bit time in nanoseconds
+ *    khronos_utime_nanoseconds_t unsigned time interval or absolute time in
+ *                                         nanoseconds
+ *    khronos_stime_nanoseconds_t signed time interval in nanoseconds
+ *    khronos_boolean_enum_t      enumerated boolean type. This should
+ *      only be used as a base type when a client API's boolean type is
+ *      an enum. Client APIs which use an integer or other type for
+ *      booleans cannot use this as the base type for their boolean.
+ *
+ * Tokens defined in khrplatform.h:
+ *
+ *    KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
+ *
+ *    KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
+ *    KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
+ *
+ * Calling convention macros defined in this file:
+ *    KHRONOS_APICALL
+ *    KHRONOS_APIENTRY
+ *    KHRONOS_APIATTRIBUTES
+ *
+ * These may be used in function prototypes as:
+ *
+ *      KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
+ *                                  int arg1,
+ *                                  int arg2) KHRONOS_APIATTRIBUTES;
+ */
+
+#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
+#   define KHRONOS_STATIC 1
+#endif
+
+/*-------------------------------------------------------------------------
+ * Definition of KHRONOS_APICALL
+ *-------------------------------------------------------------------------
+ * This precedes the return type of the function in the function prototype.
+ */
+#if defined(KHRONOS_STATIC)
+    /* If the preprocessor constant KHRONOS_STATIC is defined, make the
+     * header compatible with static linking. */
+#   define KHRONOS_APICALL
+#elif defined(_WIN32)
+#   define KHRONOS_APICALL __declspec(dllimport)
+#elif defined (__SYMBIAN32__)
+#   define KHRONOS_APICALL IMPORT_C
+#elif defined(__ANDROID__)
+#   define KHRONOS_APICALL __attribute__((visibility("default")))
+#else
+#   define KHRONOS_APICALL
+#endif
+
+/*-------------------------------------------------------------------------
+ * Definition of KHRONOS_APIENTRY
+ *-------------------------------------------------------------------------
+ * This follows the return type of the function  and precedes the function
+ * name in the function prototype.
+ */
+#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
+    /* Win32 but not WinCE */
+#   define KHRONOS_APIENTRY __stdcall
+#else
+#   define KHRONOS_APIENTRY
+#endif
+
+/*-------------------------------------------------------------------------
+ * Definition of KHRONOS_APIATTRIBUTES
+ *-------------------------------------------------------------------------
+ * This follows the closing parenthesis of the function prototype arguments.
+ */
+#if defined (__ARMCC_2__)
+#define KHRONOS_APIATTRIBUTES __softfp
+#else
+#define KHRONOS_APIATTRIBUTES
+#endif
+
+/*-------------------------------------------------------------------------
+ * basic type definitions
+ *-----------------------------------------------------------------------*/
+#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
+
+
+/*
+ * Using <stdint.h>
+ */
+#include <stdint.h>
+typedef int32_t                 khronos_int32_t;
+typedef uint32_t                khronos_uint32_t;
+typedef int64_t                 khronos_int64_t;
+typedef uint64_t                khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+
+#elif defined(__VMS ) || defined(__sgi)
+
+/*
+ * Using <inttypes.h>
+ */
+#include <inttypes.h>
+typedef int32_t                 khronos_int32_t;
+typedef uint32_t                khronos_uint32_t;
+typedef int64_t                 khronos_int64_t;
+typedef uint64_t                khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+
+#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
+
+/*
+ * Win32
+ */
+typedef __int32                 khronos_int32_t;
+typedef unsigned __int32        khronos_uint32_t;
+typedef __int64                 khronos_int64_t;
+typedef unsigned __int64        khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+
+#elif defined(__sun__) || defined(__digital__)
+
+/*
+ * Sun or Digital
+ */
+typedef int                     khronos_int32_t;
+typedef unsigned int            khronos_uint32_t;
+#if defined(__arch64__) || defined(_LP64)
+typedef long int                khronos_int64_t;
+typedef unsigned long int       khronos_uint64_t;
+#else
+typedef long long int           khronos_int64_t;
+typedef unsigned long long int  khronos_uint64_t;
+#endif /* __arch64__ */
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+
+#elif 0
+
+/*
+ * Hypothetical platform with no float or int64 support
+ */
+typedef int                     khronos_int32_t;
+typedef unsigned int            khronos_uint32_t;
+#define KHRONOS_SUPPORT_INT64   0
+#define KHRONOS_SUPPORT_FLOAT   0
+
+#else
+
+/*
+ * Generic fallback
+ */
+#include <stdint.h>
+typedef int32_t                 khronos_int32_t;
+typedef uint32_t                khronos_uint32_t;
+typedef int64_t                 khronos_int64_t;
+typedef uint64_t                khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+
+#endif
+
+
+/*
+ * Types that are (so far) the same on all platforms
+ */
+typedef signed   char          khronos_int8_t;
+typedef unsigned char          khronos_uint8_t;
+typedef signed   short int     khronos_int16_t;
+typedef unsigned short int     khronos_uint16_t;
+
+/*
+ * Types that differ between LLP64 and LP64 architectures - in LLP64,
+ * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
+ * to be the only LLP64 architecture in current use.
+ */
+#ifdef _WIN64
+typedef signed   long long int khronos_intptr_t;
+typedef unsigned long long int khronos_uintptr_t;
+typedef signed   long long int khronos_ssize_t;
+typedef unsigned long long int khronos_usize_t;
+#else
+typedef signed   long  int     khronos_intptr_t;
+typedef unsigned long  int     khronos_uintptr_t;
+typedef signed   long  int     khronos_ssize_t;
+typedef unsigned long  int     khronos_usize_t;
+#endif
+
+#if KHRONOS_SUPPORT_FLOAT
+/*
+ * Float type
+ */
+typedef          float         khronos_float_t;
+#endif
+
+#if KHRONOS_SUPPORT_INT64
+/* Time types
+ *
+ * These types can be used to represent a time interval in nanoseconds or
+ * an absolute Unadjusted System Time.  Unadjusted System Time is the number
+ * of nanoseconds since some arbitrary system event (e.g. since the last
+ * time the system booted).  The Unadjusted System Time is an unsigned
+ * 64 bit value that wraps back to 0 every 584 years.  Time intervals
+ * may be either signed or unsigned.
+ */
+typedef khronos_uint64_t       khronos_utime_nanoseconds_t;
+typedef khronos_int64_t        khronos_stime_nanoseconds_t;
+#endif
+
+/*
+ * Dummy value used to pad enum types to 32 bits.
+ */
+#ifndef KHRONOS_MAX_ENUM
+#define KHRONOS_MAX_ENUM 0x7FFFFFFF
+#endif
+
+/*
+ * Enumerated boolean type
+ *
+ * Values other than zero should be considered to be true.  Therefore
+ * comparisons should not be made against KHRONOS_TRUE.
+ */
+typedef enum {
+    KHRONOS_FALSE = 0,
+    KHRONOS_TRUE  = 1,
+    KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
+} khronos_boolean_enum_t;
+
+#endif /* __khrplatform_h_ */

thirdparty/glad/EGL/eglplatform.h

@@ -0,0 +1,169 @@
+#ifndef __eglplatform_h_
+#define __eglplatform_h_
+
+/*
+** Copyright 2007-2020 The Khronos Group Inc.
+** SPDX-License-Identifier: Apache-2.0
+*/
+
+/* Platform-specific types and definitions for egl.h
+ *
+ * Adopters may modify khrplatform.h and this file to suit their platform.
+ * You are encouraged to submit all modifications to the Khronos group so that
+ * they can be included in future versions of this file.  Please submit changes
+ * by filing an issue or pull request on the public Khronos EGL Registry, at
+ * https://www.github.com/KhronosGroup/EGL-Registry/
+ */
+
+#include <KHR/khrplatform.h>
+
+/* Macros used in EGL function prototype declarations.
+ *
+ * EGL functions should be prototyped as:
+ *
+ * EGLAPI return-type EGLAPIENTRY eglFunction(arguments);
+ * typedef return-type (EXPAPIENTRYP PFNEGLFUNCTIONPROC) (arguments);
+ *
+ * KHRONOS_APICALL and KHRONOS_APIENTRY are defined in KHR/khrplatform.h
+ */
+
+#ifndef EGLAPI
+#define EGLAPI KHRONOS_APICALL
+#endif
+
+#ifndef EGLAPIENTRY
+#define EGLAPIENTRY  KHRONOS_APIENTRY
+#endif
+#define EGLAPIENTRYP EGLAPIENTRY*
+
+/* The types NativeDisplayType, NativeWindowType, and NativePixmapType
+ * are aliases of window-system-dependent types, such as X Display * or
+ * Windows Device Context. They must be defined in platform-specific
+ * code below. The EGL-prefixed versions of Native*Type are the same
+ * types, renamed in EGL 1.3 so all types in the API start with "EGL".
+ *
+ * Khronos STRONGLY RECOMMENDS that you use the default definitions
+ * provided below, since these changes affect both binary and source
+ * portability of applications using EGL running on different EGL
+ * implementations.
+ */
+
+#if defined(EGL_NO_PLATFORM_SPECIFIC_TYPES)
+
+typedef void *EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#include <windows.h>
+
+typedef HDC     EGLNativeDisplayType;
+typedef HBITMAP EGLNativePixmapType;
+typedef HWND    EGLNativeWindowType;
+
+#elif defined(__EMSCRIPTEN__)
+
+typedef int EGLNativeDisplayType;
+typedef int EGLNativePixmapType;
+typedef int EGLNativeWindowType;
+
+#elif defined(__WINSCW__) || defined(__SYMBIAN32__)  /* Symbian */
+
+typedef int   EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(WL_EGL_PLATFORM)
+
+typedef struct wl_display     *EGLNativeDisplayType;
+typedef struct wl_egl_pixmap  *EGLNativePixmapType;
+typedef struct wl_egl_window  *EGLNativeWindowType;
+
+#elif defined(__GBM__)
+
+typedef struct gbm_device  *EGLNativeDisplayType;
+typedef struct gbm_bo      *EGLNativePixmapType;
+typedef void               *EGLNativeWindowType;
+
+#elif defined(__ANDROID__) || defined(ANDROID)
+
+struct ANativeWindow;
+struct egl_native_pixmap_t;
+
+typedef void*                           EGLNativeDisplayType;
+typedef struct egl_native_pixmap_t*     EGLNativePixmapType;
+typedef struct ANativeWindow*           EGLNativeWindowType;
+
+#elif defined(USE_OZONE)
+
+typedef intptr_t EGLNativeDisplayType;
+typedef intptr_t EGLNativePixmapType;
+typedef intptr_t EGLNativeWindowType;
+
+#elif defined(USE_X11)
+
+/* X11 (tentative)  */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+typedef Display *EGLNativeDisplayType;
+typedef Pixmap   EGLNativePixmapType;
+typedef Window   EGLNativeWindowType;
+
+#elif defined(__unix__)
+
+typedef void             *EGLNativeDisplayType;
+typedef khronos_uintptr_t EGLNativePixmapType;
+typedef khronos_uintptr_t EGLNativeWindowType;
+
+#elif defined(__APPLE__)
+
+typedef int   EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(__HAIKU__)
+
+#include <kernel/image.h>
+
+typedef void              *EGLNativeDisplayType;
+typedef khronos_uintptr_t  EGLNativePixmapType;
+typedef khronos_uintptr_t  EGLNativeWindowType;
+
+#elif defined(__Fuchsia__)
+
+typedef void              *EGLNativeDisplayType;
+typedef khronos_uintptr_t  EGLNativePixmapType;
+typedef khronos_uintptr_t  EGLNativeWindowType;
+
+#else
+#error "Platform not recognized"
+#endif
+
+/* EGL 1.2 types, renamed for consistency in EGL 1.3 */
+typedef EGLNativeDisplayType NativeDisplayType;
+typedef EGLNativePixmapType  NativePixmapType;
+typedef EGLNativeWindowType  NativeWindowType;
+
+
+/* Define EGLint. This must be a signed integral type large enough to contain
+ * all legal attribute names and values passed into and out of EGL, whether
+ * their type is boolean, bitmask, enumerant (symbolic constant), integer,
+ * handle, or other.  While in general a 32-bit integer will suffice, if
+ * handles are 64 bit types, then EGLint should be defined as a signed 64-bit
+ * integer type.
+ */
+typedef khronos_int32_t EGLint;
+
+
+/* C++ / C typecast macros for special EGL handle values */
+#if defined(__cplusplus)
+#define EGL_CAST(type, value) (static_cast<type>(value))
+#else
+#define EGL_CAST(type, value) ((type) (value))
+#endif
+
+#endif /* __eglplatform_h */

thirdparty/glad/egl.c

@@ -0,0 +1,408 @@
+/**
+ * SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glad/egl.h>
+
+#ifndef GLAD_IMPL_UTIL_C_
+#define GLAD_IMPL_UTIL_C_
+
+#ifdef _MSC_VER
+#define GLAD_IMPL_UTIL_SSCANF sscanf_s
+#else
+#define GLAD_IMPL_UTIL_SSCANF sscanf
+#endif
+
+#endif /* GLAD_IMPL_UTIL_C_ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+
+int GLAD_EGL_VERSION_1_0 = 0;
+int GLAD_EGL_VERSION_1_1 = 0;
+int GLAD_EGL_VERSION_1_2 = 0;
+int GLAD_EGL_VERSION_1_3 = 0;
+int GLAD_EGL_VERSION_1_4 = 0;
+int GLAD_EGL_VERSION_1_5 = 0;
+int GLAD_EGL_ANDROID_blob_cache = 0;
+int GLAD_EGL_KHR_platform_wayland = 0;
+int GLAD_EGL_KHR_platform_x11 = 0;
+
+
+
+PFNEGLBINDAPIPROC glad_eglBindAPI = NULL;
+PFNEGLBINDTEXIMAGEPROC glad_eglBindTexImage = NULL;
+PFNEGLCHOOSECONFIGPROC glad_eglChooseConfig = NULL;
+PFNEGLCLIENTWAITSYNCPROC glad_eglClientWaitSync = NULL;
+PFNEGLCOPYBUFFERSPROC glad_eglCopyBuffers = NULL;
+PFNEGLCREATECONTEXTPROC glad_eglCreateContext = NULL;
+PFNEGLCREATEIMAGEPROC glad_eglCreateImage = NULL;
+PFNEGLCREATEPBUFFERFROMCLIENTBUFFERPROC glad_eglCreatePbufferFromClientBuffer = NULL;
+PFNEGLCREATEPBUFFERSURFACEPROC glad_eglCreatePbufferSurface = NULL;
+PFNEGLCREATEPIXMAPSURFACEPROC glad_eglCreatePixmapSurface = NULL;
+PFNEGLCREATEPLATFORMPIXMAPSURFACEPROC glad_eglCreatePlatformPixmapSurface = NULL;
+PFNEGLCREATEPLATFORMWINDOWSURFACEPROC glad_eglCreatePlatformWindowSurface = NULL;
+PFNEGLCREATESYNCPROC glad_eglCreateSync = NULL;
+PFNEGLCREATEWINDOWSURFACEPROC glad_eglCreateWindowSurface = NULL;
+PFNEGLDESTROYCONTEXTPROC glad_eglDestroyContext = NULL;
+PFNEGLDESTROYIMAGEPROC glad_eglDestroyImage = NULL;
+PFNEGLDESTROYSURFACEPROC glad_eglDestroySurface = NULL;
+PFNEGLDESTROYSYNCPROC glad_eglDestroySync = NULL;
+PFNEGLGETCONFIGATTRIBPROC glad_eglGetConfigAttrib = NULL;
+PFNEGLGETCONFIGSPROC glad_eglGetConfigs = NULL;
+PFNEGLGETCURRENTCONTEXTPROC glad_eglGetCurrentContext = NULL;
+PFNEGLGETCURRENTDISPLAYPROC glad_eglGetCurrentDisplay = NULL;
+PFNEGLGETCURRENTSURFACEPROC glad_eglGetCurrentSurface = NULL;
+PFNEGLGETDISPLAYPROC glad_eglGetDisplay = NULL;
+PFNEGLGETERRORPROC glad_eglGetError = NULL;
+PFNEGLGETPLATFORMDISPLAYPROC glad_eglGetPlatformDisplay = NULL;
+PFNEGLGETPROCADDRESSPROC glad_eglGetProcAddress = NULL;
+PFNEGLGETSYNCATTRIBPROC glad_eglGetSyncAttrib = NULL;
+PFNEGLINITIALIZEPROC glad_eglInitialize = NULL;
+PFNEGLMAKECURRENTPROC glad_eglMakeCurrent = NULL;
+PFNEGLQUERYAPIPROC glad_eglQueryAPI = NULL;
+PFNEGLQUERYCONTEXTPROC glad_eglQueryContext = NULL;
+PFNEGLQUERYSTRINGPROC glad_eglQueryString = NULL;
+PFNEGLQUERYSURFACEPROC glad_eglQuerySurface = NULL;
+PFNEGLRELEASETEXIMAGEPROC glad_eglReleaseTexImage = NULL;
+PFNEGLRELEASETHREADPROC glad_eglReleaseThread = NULL;
+PFNEGLSETBLOBCACHEFUNCSANDROIDPROC glad_eglSetBlobCacheFuncsANDROID = NULL;
+PFNEGLSURFACEATTRIBPROC glad_eglSurfaceAttrib = NULL;
+PFNEGLSWAPBUFFERSPROC glad_eglSwapBuffers = NULL;
+PFNEGLSWAPINTERVALPROC glad_eglSwapInterval = NULL;
+PFNEGLTERMINATEPROC glad_eglTerminate = NULL;
+PFNEGLWAITCLIENTPROC glad_eglWaitClient = NULL;
+PFNEGLWAITGLPROC glad_eglWaitGL = NULL;
+PFNEGLWAITNATIVEPROC glad_eglWaitNative = NULL;
+PFNEGLWAITSYNCPROC glad_eglWaitSync = NULL;
+
+
+static void glad_egl_load_EGL_VERSION_1_0( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_EGL_VERSION_1_0) return;
+    glad_eglChooseConfig = (PFNEGLCHOOSECONFIGPROC) load(userptr, "eglChooseConfig");
+    glad_eglCopyBuffers = (PFNEGLCOPYBUFFERSPROC) load(userptr, "eglCopyBuffers");
+    glad_eglCreateContext = (PFNEGLCREATECONTEXTPROC) load(userptr, "eglCreateContext");
+    glad_eglCreatePbufferSurface = (PFNEGLCREATEPBUFFERSURFACEPROC) load(userptr, "eglCreatePbufferSurface");
+    glad_eglCreatePixmapSurface = (PFNEGLCREATEPIXMAPSURFACEPROC) load(userptr, "eglCreatePixmapSurface");
+    glad_eglCreateWindowSurface = (PFNEGLCREATEWINDOWSURFACEPROC) load(userptr, "eglCreateWindowSurface");
+    glad_eglDestroyContext = (PFNEGLDESTROYCONTEXTPROC) load(userptr, "eglDestroyContext");
+    glad_eglDestroySurface = (PFNEGLDESTROYSURFACEPROC) load(userptr, "eglDestroySurface");
+    glad_eglGetConfigAttrib = (PFNEGLGETCONFIGATTRIBPROC) load(userptr, "eglGetConfigAttrib");
+    glad_eglGetConfigs = (PFNEGLGETCONFIGSPROC) load(userptr, "eglGetConfigs");
+    glad_eglGetCurrentDisplay = (PFNEGLGETCURRENTDISPLAYPROC) load(userptr, "eglGetCurrentDisplay");
+    glad_eglGetCurrentSurface = (PFNEGLGETCURRENTSURFACEPROC) load(userptr, "eglGetCurrentSurface");
+    glad_eglGetDisplay = (PFNEGLGETDISPLAYPROC) load(userptr, "eglGetDisplay");
+    glad_eglGetError = (PFNEGLGETERRORPROC) load(userptr, "eglGetError");
+    glad_eglGetProcAddress = (PFNEGLGETPROCADDRESSPROC) load(userptr, "eglGetProcAddress");
+    glad_eglInitialize = (PFNEGLINITIALIZEPROC) load(userptr, "eglInitialize");
+    glad_eglMakeCurrent = (PFNEGLMAKECURRENTPROC) load(userptr, "eglMakeCurrent");
+    glad_eglQueryContext = (PFNEGLQUERYCONTEXTPROC) load(userptr, "eglQueryContext");
+    glad_eglQueryString = (PFNEGLQUERYSTRINGPROC) load(userptr, "eglQueryString");
+    glad_eglQuerySurface = (PFNEGLQUERYSURFACEPROC) load(userptr, "eglQuerySurface");
+    glad_eglSwapBuffers = (PFNEGLSWAPBUFFERSPROC) load(userptr, "eglSwapBuffers");
+    glad_eglTerminate = (PFNEGLTERMINATEPROC) load(userptr, "eglTerminate");
+    glad_eglWaitGL = (PFNEGLWAITGLPROC) load(userptr, "eglWaitGL");
+    glad_eglWaitNative = (PFNEGLWAITNATIVEPROC) load(userptr, "eglWaitNative");
+}
+static void glad_egl_load_EGL_VERSION_1_1( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_EGL_VERSION_1_1) return;
+    glad_eglBindTexImage = (PFNEGLBINDTEXIMAGEPROC) load(userptr, "eglBindTexImage");
+    glad_eglReleaseTexImage = (PFNEGLRELEASETEXIMAGEPROC) load(userptr, "eglReleaseTexImage");
+    glad_eglSurfaceAttrib = (PFNEGLSURFACEATTRIBPROC) load(userptr, "eglSurfaceAttrib");
+    glad_eglSwapInterval = (PFNEGLSWAPINTERVALPROC) load(userptr, "eglSwapInterval");
+}
+static void glad_egl_load_EGL_VERSION_1_2( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_EGL_VERSION_1_2) return;
+    glad_eglBindAPI = (PFNEGLBINDAPIPROC) load(userptr, "eglBindAPI");
+    glad_eglCreatePbufferFromClientBuffer = (PFNEGLCREATEPBUFFERFROMCLIENTBUFFERPROC) load(userptr, "eglCreatePbufferFromClientBuffer");
+    glad_eglQueryAPI = (PFNEGLQUERYAPIPROC) load(userptr, "eglQueryAPI");
+    glad_eglReleaseThread = (PFNEGLRELEASETHREADPROC) load(userptr, "eglReleaseThread");
+    glad_eglWaitClient = (PFNEGLWAITCLIENTPROC) load(userptr, "eglWaitClient");
+}
+static void glad_egl_load_EGL_VERSION_1_4( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_EGL_VERSION_1_4) return;
+    glad_eglGetCurrentContext = (PFNEGLGETCURRENTCONTEXTPROC) load(userptr, "eglGetCurrentContext");
+}
+static void glad_egl_load_EGL_VERSION_1_5( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_EGL_VERSION_1_5) return;
+    glad_eglClientWaitSync = (PFNEGLCLIENTWAITSYNCPROC) load(userptr, "eglClientWaitSync");
+    glad_eglCreateImage = (PFNEGLCREATEIMAGEPROC) load(userptr, "eglCreateImage");
+    glad_eglCreatePlatformPixmapSurface = (PFNEGLCREATEPLATFORMPIXMAPSURFACEPROC) load(userptr, "eglCreatePlatformPixmapSurface");
+    glad_eglCreatePlatformWindowSurface = (PFNEGLCREATEPLATFORMWINDOWSURFACEPROC) load(userptr, "eglCreatePlatformWindowSurface");
+    glad_eglCreateSync = (PFNEGLCREATESYNCPROC) load(userptr, "eglCreateSync");
+    glad_eglDestroyImage = (PFNEGLDESTROYIMAGEPROC) load(userptr, "eglDestroyImage");
+    glad_eglDestroySync = (PFNEGLDESTROYSYNCPROC) load(userptr, "eglDestroySync");
+    glad_eglGetPlatformDisplay = (PFNEGLGETPLATFORMDISPLAYPROC) load(userptr, "eglGetPlatformDisplay");
+    glad_eglGetSyncAttrib = (PFNEGLGETSYNCATTRIBPROC) load(userptr, "eglGetSyncAttrib");
+    glad_eglWaitSync = (PFNEGLWAITSYNCPROC) load(userptr, "eglWaitSync");
+}
+static void glad_egl_load_EGL_ANDROID_blob_cache( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_EGL_ANDROID_blob_cache) return;
+    glad_eglSetBlobCacheFuncsANDROID = (PFNEGLSETBLOBCACHEFUNCSANDROIDPROC) load(userptr, "eglSetBlobCacheFuncsANDROID");
+}
+
+
+
+static int glad_egl_get_extensions(EGLDisplay display, const char **extensions) {
+    *extensions = eglQueryString(display, EGL_EXTENSIONS);
+
+    return extensions != NULL;
+}
+
+static int glad_egl_has_extension(const char *extensions, const char *ext) {
+    const char *loc;
+    const char *terminator;
+    if(extensions == NULL) {
+        return 0;
+    }
+    while(1) {
+        loc = strstr(extensions, ext);
+        if(loc == NULL) {
+            return 0;
+        }
+        terminator = loc + strlen(ext);
+        if((loc == extensions || *(loc - 1) == ' ') &&
+            (*terminator == ' ' || *terminator == '\0')) {
+            return 1;
+        }
+        extensions = terminator;
+    }
+}
+
+static GLADapiproc glad_egl_get_proc_from_userptr(void *userptr, const char *name) {
+    return (GLAD_GNUC_EXTENSION (GLADapiproc (*)(const char *name)) userptr)(name);
+}
+
+static int glad_egl_find_extensions_egl(EGLDisplay display) {
+    const char *extensions;
+    if (!glad_egl_get_extensions(display, &extensions)) return 0;
+
+    GLAD_EGL_ANDROID_blob_cache = glad_egl_has_extension(extensions, "EGL_ANDROID_blob_cache");
+    GLAD_EGL_KHR_platform_wayland = glad_egl_has_extension(extensions, "EGL_KHR_platform_wayland");
+    GLAD_EGL_KHR_platform_x11 = glad_egl_has_extension(extensions, "EGL_KHR_platform_x11");
+
+    return 1;
+}
+
+static int glad_egl_find_core_egl(EGLDisplay display) {
+    int major, minor;
+    const char *version;
+
+    if (display == NULL) {
+        display = EGL_NO_DISPLAY; /* this is usually NULL, better safe than sorry */
+    }
+    if (display == EGL_NO_DISPLAY) {
+        display = eglGetCurrentDisplay();
+    }
+#ifdef EGL_VERSION_1_4
+    if (display == EGL_NO_DISPLAY) {
+        display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+    }
+#endif
+#ifndef EGL_VERSION_1_5
+    if (display == EGL_NO_DISPLAY) {
+        return 0;
+    }
+#endif
+
+    version = eglQueryString(display, EGL_VERSION);
+    (void) eglGetError();
+
+    if (version == NULL) {
+        major = 1;
+        minor = 0;
+    } else {
+        GLAD_IMPL_UTIL_SSCANF(version, "%d.%d", &major, &minor);
+    }
+
+    GLAD_EGL_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1;
+    GLAD_EGL_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1;
+    GLAD_EGL_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1;
+    GLAD_EGL_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1;
+    GLAD_EGL_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1;
+    GLAD_EGL_VERSION_1_5 = (major == 1 && minor >= 5) || major > 1;
+
+    return GLAD_MAKE_VERSION(major, minor);
+}
+
+int gladLoadEGLUserPtr(EGLDisplay display, GLADuserptrloadfunc load, void* userptr) {
+    int version;
+    eglGetDisplay = (PFNEGLGETDISPLAYPROC) load(userptr, "eglGetDisplay");
+    eglGetCurrentDisplay = (PFNEGLGETCURRENTDISPLAYPROC) load(userptr, "eglGetCurrentDisplay");
+    eglQueryString = (PFNEGLQUERYSTRINGPROC) load(userptr, "eglQueryString");
+    eglGetError = (PFNEGLGETERRORPROC) load(userptr, "eglGetError");
+    if (eglGetDisplay == NULL || eglGetCurrentDisplay == NULL || eglQueryString == NULL || eglGetError == NULL) return 0;
+
+    version = glad_egl_find_core_egl(display);
+    if (!version) return 0;
+    glad_egl_load_EGL_VERSION_1_0(load, userptr);
+    glad_egl_load_EGL_VERSION_1_1(load, userptr);
+    glad_egl_load_EGL_VERSION_1_2(load, userptr);
+    glad_egl_load_EGL_VERSION_1_4(load, userptr);
+    glad_egl_load_EGL_VERSION_1_5(load, userptr);
+
+    if (!glad_egl_find_extensions_egl(display)) return 0;
+    glad_egl_load_EGL_ANDROID_blob_cache(load, userptr);
+
+
+    return version;
+}
+
+int gladLoadEGL(EGLDisplay display, GLADloadfunc load) {
+    return gladLoadEGLUserPtr(display, glad_egl_get_proc_from_userptr, GLAD_GNUC_EXTENSION (void*) load);
+}
+
+ 
+
+#ifdef GLAD_EGL
+
+#ifndef GLAD_LOADER_LIBRARY_C_
+#define GLAD_LOADER_LIBRARY_C_
+
+#include <stddef.h>
+#include <stdlib.h>
+
+#if GLAD_PLATFORM_WIN32
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#endif
+
+
+static void* glad_get_dlopen_handle(const char *lib_names[], int length) {
+    void *handle = NULL;
+    int i;
+
+    for (i = 0; i < length; ++i) {
+#if GLAD_PLATFORM_WIN32
+  #if GLAD_PLATFORM_UWP
+        size_t buffer_size = (strlen(lib_names[i]) + 1) * sizeof(WCHAR);
+        LPWSTR buffer = (LPWSTR) malloc(buffer_size);
+        if (buffer != NULL) {
+            int ret = MultiByteToWideChar(CP_ACP, 0, lib_names[i], -1, buffer, buffer_size);
+            if (ret != 0) {
+                handle = (void*) LoadPackagedLibrary(buffer, 0);
+            }
+            free((void*) buffer);
+        }
+  #else
+        handle = (void*) LoadLibraryA(lib_names[i]);
+  #endif
+#else
+        handle = dlopen(lib_names[i], RTLD_LAZY | RTLD_LOCAL);
+#endif
+        if (handle != NULL) {
+            return handle;
+        }
+    }
+
+    return NULL;
+}
+
+static void glad_close_dlopen_handle(void* handle) {
+    if (handle != NULL) {
+#if GLAD_PLATFORM_WIN32
+        FreeLibrary((HMODULE) handle);
+#else
+        dlclose(handle);
+#endif
+    }
+}
+
+static GLADapiproc glad_dlsym_handle(void* handle, const char *name) {
+    if (handle == NULL) {
+        return NULL;
+    }
+
+#if GLAD_PLATFORM_WIN32
+    return (GLADapiproc) GetProcAddress((HMODULE) handle, name);
+#else
+    return GLAD_GNUC_EXTENSION (GLADapiproc) dlsym(handle, name);
+#endif
+}
+
+#endif /* GLAD_LOADER_LIBRARY_C_ */
+
+struct _glad_egl_userptr {
+    void *handle;
+    PFNEGLGETPROCADDRESSPROC get_proc_address_ptr;
+};
+
+static GLADapiproc glad_egl_get_proc(void *vuserptr, const char* name) {
+    struct _glad_egl_userptr userptr = *(struct _glad_egl_userptr*) vuserptr;
+    GLADapiproc result = NULL;
+
+    result = glad_dlsym_handle(userptr.handle, name);
+    if (result == NULL) {
+        result = GLAD_GNUC_EXTENSION (GLADapiproc) userptr.get_proc_address_ptr(name);
+    }
+
+    return result;
+}
+
+static void* _egl_handle = NULL;
+
+static void* glad_egl_dlopen_handle(void) {
+#if GLAD_PLATFORM_APPLE
+    static const char *NAMES[] = {"libEGL.dylib"};
+#elif GLAD_PLATFORM_WIN32
+    static const char *NAMES[] = {"libEGL.dll", "EGL.dll"};
+#else
+    static const char *NAMES[] = {"libEGL.so.1", "libEGL.so"};
+#endif
+
+    if (_egl_handle == NULL) {
+        _egl_handle = glad_get_dlopen_handle(NAMES, sizeof(NAMES) / sizeof(NAMES[0]));
+    }
+
+    return _egl_handle;
+}
+
+static struct _glad_egl_userptr glad_egl_build_userptr(void *handle) {
+    struct _glad_egl_userptr userptr;
+    userptr.handle = handle;
+    userptr.get_proc_address_ptr = (PFNEGLGETPROCADDRESSPROC) glad_dlsym_handle(handle, "eglGetProcAddress");
+    return userptr;
+}
+
+int gladLoaderLoadEGL(EGLDisplay display) {
+    int version = 0;
+    void *handle = NULL;
+    int did_load = 0;
+    struct _glad_egl_userptr userptr;
+
+    did_load = _egl_handle == NULL;
+    handle = glad_egl_dlopen_handle();
+    if (handle != NULL) {
+        userptr = glad_egl_build_userptr(handle);
+
+        if (userptr.get_proc_address_ptr != NULL) {
+            version = gladLoadEGLUserPtr(display, glad_egl_get_proc, &userptr);
+        }
+
+        if (!version && did_load) {
+            gladLoaderUnloadEGL();
+        }
+    }
+
+    return version;
+}
+
+
+void gladLoaderUnloadEGL() {
+    if (_egl_handle != NULL) {
+        glad_close_dlopen_handle(_egl_handle);
+        _egl_handle = NULL;
+    }
+}
+
+#endif /* GLAD_EGL */
+
+#ifdef __cplusplus
+}
+#endif

thirdparty/glad/gl.c

@@ -35,6 +35,10 @@ int GLAD_GL_VERSION_3_0 = 0;
 int GLAD_GL_VERSION_3_1 = 0;
 int GLAD_GL_VERSION_3_2 = 0;
 int GLAD_GL_VERSION_3_3 = 0;
+int GLAD_GL_ES_VERSION_2_0 = 0;
+int GLAD_GL_ES_VERSION_3_0 = 0;
+int GLAD_GL_ES_VERSION_3_1 = 0;
+int GLAD_GL_ES_VERSION_3_2 = 0;
 int GLAD_GL_ARB_debug_output = 0;
 int GLAD_GL_ARB_framebuffer_object = 0;
 int GLAD_GL_ARB_get_program_binary = 0;
@@ -797,6 +801,111 @@ PFNGLWINDOWPOS3IPROC glad_glWindowPos3i = NULL;
 PFNGLWINDOWPOS3IVPROC glad_glWindowPos3iv = NULL;
 PFNGLWINDOWPOS3SPROC glad_glWindowPos3s = NULL;
 PFNGLWINDOWPOS3SVPROC glad_glWindowPos3sv = NULL;
+PFNGLACTIVESHADERPROGRAMPROC glad_glActiveShaderProgram = NULL;
+PFNGLBINDIMAGETEXTUREPROC glad_glBindImageTexture = NULL;
+PFNGLBINDPROGRAMPIPELINEPROC glad_glBindProgramPipeline = NULL;
+PFNGLBINDTRANSFORMFEEDBACKPROC glad_glBindTransformFeedback = NULL;
+PFNGLBINDVERTEXBUFFERPROC glad_glBindVertexBuffer = NULL;
+PFNGLBLENDBARRIERPROC glad_glBlendBarrier = NULL;
+PFNGLBLENDEQUATIONSEPARATEIPROC glad_glBlendEquationSeparatei = NULL;
+PFNGLBLENDEQUATIONIPROC glad_glBlendEquationi = NULL;
+PFNGLBLENDFUNCSEPARATEIPROC glad_glBlendFuncSeparatei = NULL;
+PFNGLBLENDFUNCIPROC glad_glBlendFunci = NULL;
+PFNGLCLEARDEPTHFPROC glad_glClearDepthf = NULL;
+PFNGLCOPYIMAGESUBDATAPROC glad_glCopyImageSubData = NULL;
+PFNGLCREATESHADERPROGRAMVPROC glad_glCreateShaderProgramv = NULL;
+PFNGLDEBUGMESSAGECALLBACKPROC glad_glDebugMessageCallback = NULL;
+PFNGLDEBUGMESSAGECONTROLPROC glad_glDebugMessageControl = NULL;
+PFNGLDEBUGMESSAGEINSERTPROC glad_glDebugMessageInsert = NULL;
+PFNGLDELETEPROGRAMPIPELINESPROC glad_glDeleteProgramPipelines = NULL;
+PFNGLDELETETRANSFORMFEEDBACKSPROC glad_glDeleteTransformFeedbacks = NULL;
+PFNGLDEPTHRANGEFPROC glad_glDepthRangef = NULL;
+PFNGLDISPATCHCOMPUTEPROC glad_glDispatchCompute = NULL;
+PFNGLDISPATCHCOMPUTEINDIRECTPROC glad_glDispatchComputeIndirect = NULL;
+PFNGLDRAWARRAYSINDIRECTPROC glad_glDrawArraysIndirect = NULL;
+PFNGLDRAWELEMENTSINDIRECTPROC glad_glDrawElementsIndirect = NULL;
+PFNGLFRAMEBUFFERPARAMETERIPROC glad_glFramebufferParameteri = NULL;
+PFNGLGENPROGRAMPIPELINESPROC glad_glGenProgramPipelines = NULL;
+PFNGLGENTRANSFORMFEEDBACKSPROC glad_glGenTransformFeedbacks = NULL;
+PFNGLGETDEBUGMESSAGELOGPROC glad_glGetDebugMessageLog = NULL;
+PFNGLGETFRAMEBUFFERPARAMETERIVPROC glad_glGetFramebufferParameteriv = NULL;
+PFNGLGETGRAPHICSRESETSTATUSPROC glad_glGetGraphicsResetStatus = NULL;
+PFNGLGETINTERNALFORMATIVPROC glad_glGetInternalformativ = NULL;
+PFNGLGETOBJECTLABELPROC glad_glGetObjectLabel = NULL;
+PFNGLGETOBJECTPTRLABELPROC glad_glGetObjectPtrLabel = NULL;
+PFNGLGETPROGRAMINTERFACEIVPROC glad_glGetProgramInterfaceiv = NULL;
+PFNGLGETPROGRAMPIPELINEINFOLOGPROC glad_glGetProgramPipelineInfoLog = NULL;
+PFNGLGETPROGRAMPIPELINEIVPROC glad_glGetProgramPipelineiv = NULL;
+PFNGLGETPROGRAMRESOURCEINDEXPROC glad_glGetProgramResourceIndex = NULL;
+PFNGLGETPROGRAMRESOURCELOCATIONPROC glad_glGetProgramResourceLocation = NULL;
+PFNGLGETPROGRAMRESOURCENAMEPROC glad_glGetProgramResourceName = NULL;
+PFNGLGETPROGRAMRESOURCEIVPROC glad_glGetProgramResourceiv = NULL;
+PFNGLGETSHADERPRECISIONFORMATPROC glad_glGetShaderPrecisionFormat = NULL;
+PFNGLGETNUNIFORMFVPROC glad_glGetnUniformfv = NULL;
+PFNGLGETNUNIFORMIVPROC glad_glGetnUniformiv = NULL;
+PFNGLGETNUNIFORMUIVPROC glad_glGetnUniformuiv = NULL;
+PFNGLINVALIDATEFRAMEBUFFERPROC glad_glInvalidateFramebuffer = NULL;
+PFNGLINVALIDATESUBFRAMEBUFFERPROC glad_glInvalidateSubFramebuffer = NULL;
+PFNGLISPROGRAMPIPELINEPROC glad_glIsProgramPipeline = NULL;
+PFNGLISTRANSFORMFEEDBACKPROC glad_glIsTransformFeedback = NULL;
+PFNGLMEMORYBARRIERPROC glad_glMemoryBarrier = NULL;
+PFNGLMEMORYBARRIERBYREGIONPROC glad_glMemoryBarrierByRegion = NULL;
+PFNGLMINSAMPLESHADINGPROC glad_glMinSampleShading = NULL;
+PFNGLOBJECTLABELPROC glad_glObjectLabel = NULL;
+PFNGLOBJECTPTRLABELPROC glad_glObjectPtrLabel = NULL;
+PFNGLPATCHPARAMETERIPROC glad_glPatchParameteri = NULL;
+PFNGLPAUSETRANSFORMFEEDBACKPROC glad_glPauseTransformFeedback = NULL;
+PFNGLPOPDEBUGGROUPPROC glad_glPopDebugGroup = NULL;
+PFNGLPRIMITIVEBOUNDINGBOXPROC glad_glPrimitiveBoundingBox = NULL;
+PFNGLPROGRAMUNIFORM1FPROC glad_glProgramUniform1f = NULL;
+PFNGLPROGRAMUNIFORM1FVPROC glad_glProgramUniform1fv = NULL;
+PFNGLPROGRAMUNIFORM1IPROC glad_glProgramUniform1i = NULL;
+PFNGLPROGRAMUNIFORM1IVPROC glad_glProgramUniform1iv = NULL;
+PFNGLPROGRAMUNIFORM1UIPROC glad_glProgramUniform1ui = NULL;
+PFNGLPROGRAMUNIFORM1UIVPROC glad_glProgramUniform1uiv = NULL;
+PFNGLPROGRAMUNIFORM2FPROC glad_glProgramUniform2f = NULL;
+PFNGLPROGRAMUNIFORM2FVPROC glad_glProgramUniform2fv = NULL;
+PFNGLPROGRAMUNIFORM2IPROC glad_glProgramUniform2i = NULL;
+PFNGLPROGRAMUNIFORM2IVPROC glad_glProgramUniform2iv = NULL;
+PFNGLPROGRAMUNIFORM2UIPROC glad_glProgramUniform2ui = NULL;
+PFNGLPROGRAMUNIFORM2UIVPROC glad_glProgramUniform2uiv = NULL;
+PFNGLPROGRAMUNIFORM3FPROC glad_glProgramUniform3f = NULL;
+PFNGLPROGRAMUNIFORM3FVPROC glad_glProgramUniform3fv = NULL;
+PFNGLPROGRAMUNIFORM3IPROC glad_glProgramUniform3i = NULL;
+PFNGLPROGRAMUNIFORM3IVPROC glad_glProgramUniform3iv = NULL;
+PFNGLPROGRAMUNIFORM3UIPROC glad_glProgramUniform3ui = NULL;
+PFNGLPROGRAMUNIFORM3UIVPROC glad_glProgramUniform3uiv = NULL;
+PFNGLPROGRAMUNIFORM4FPROC glad_glProgramUniform4f = NULL;
+PFNGLPROGRAMUNIFORM4FVPROC glad_glProgramUniform4fv = NULL;
+PFNGLPROGRAMUNIFORM4IPROC glad_glProgramUniform4i = NULL;
+PFNGLPROGRAMUNIFORM4IVPROC glad_glProgramUniform4iv = NULL;
+PFNGLPROGRAMUNIFORM4UIPROC glad_glProgramUniform4ui = NULL;
+PFNGLPROGRAMUNIFORM4UIVPROC glad_glProgramUniform4uiv = NULL;
+PFNGLPROGRAMUNIFORMMATRIX2FVPROC glad_glProgramUniformMatrix2fv = NULL;
+PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC glad_glProgramUniformMatrix2x3fv = NULL;
+PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC glad_glProgramUniformMatrix2x4fv = NULL;
+PFNGLPROGRAMUNIFORMMATRIX3FVPROC glad_glProgramUniformMatrix3fv = NULL;
+PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC glad_glProgramUniformMatrix3x2fv = NULL;
+PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC glad_glProgramUniformMatrix3x4fv = NULL;
+PFNGLPROGRAMUNIFORMMATRIX4FVPROC glad_glProgramUniformMatrix4fv = NULL;
+PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC glad_glProgramUniformMatrix4x2fv = NULL;
+PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC glad_glProgramUniformMatrix4x3fv = NULL;
+PFNGLPUSHDEBUGGROUPPROC glad_glPushDebugGroup = NULL;
+PFNGLREADNPIXELSPROC glad_glReadnPixels = NULL;
+PFNGLRELEASESHADERCOMPILERPROC glad_glReleaseShaderCompiler = NULL;
+PFNGLRESUMETRANSFORMFEEDBACKPROC glad_glResumeTransformFeedback = NULL;
+PFNGLSHADERBINARYPROC glad_glShaderBinary = NULL;
+PFNGLTEXBUFFERRANGEPROC glad_glTexBufferRange = NULL;
+PFNGLTEXSTORAGE2DPROC glad_glTexStorage2D = NULL;
+PFNGLTEXSTORAGE2DMULTISAMPLEPROC glad_glTexStorage2DMultisample = NULL;
+PFNGLTEXSTORAGE3DPROC glad_glTexStorage3D = NULL;
+PFNGLTEXSTORAGE3DMULTISAMPLEPROC glad_glTexStorage3DMultisample = NULL;
+PFNGLUSEPROGRAMSTAGESPROC glad_glUseProgramStages = NULL;
+PFNGLVALIDATEPROGRAMPIPELINEPROC glad_glValidateProgramPipeline = NULL;
+PFNGLVERTEXATTRIBBINDINGPROC glad_glVertexAttribBinding = NULL;
+PFNGLVERTEXATTRIBFORMATPROC glad_glVertexAttribFormat = NULL;
+PFNGLVERTEXATTRIBIFORMATPROC glad_glVertexAttribIFormat = NULL;
+PFNGLVERTEXBINDINGDIVISORPROC glad_glVertexBindingDivisor = NULL;
 
 
 static void glad_gl_load_GL_VERSION_1_0( GLADuserptrloadfunc load, void* userptr) {
@@ -1562,6 +1671,376 @@ static void glad_gl_load_GL_VERSION_3_3( GLADuserptrloadfunc load, void* userptr
     glad_glVertexP4ui = (PFNGLVERTEXP4UIPROC) load(userptr, "glVertexP4ui");
     glad_glVertexP4uiv = (PFNGLVERTEXP4UIVPROC) load(userptr, "glVertexP4uiv");
 }
+static void glad_gl_load_GL_ES_VERSION_2_0( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_GL_ES_VERSION_2_0) return;
+    glad_glActiveTexture = (PFNGLACTIVETEXTUREPROC) load(userptr, "glActiveTexture");
+    glad_glAttachShader = (PFNGLATTACHSHADERPROC) load(userptr, "glAttachShader");
+    glad_glBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC) load(userptr, "glBindAttribLocation");
+    glad_glBindBuffer = (PFNGLBINDBUFFERPROC) load(userptr, "glBindBuffer");
+    glad_glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC) load(userptr, "glBindFramebuffer");
+    glad_glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC) load(userptr, "glBindRenderbuffer");
+    glad_glBindTexture = (PFNGLBINDTEXTUREPROC) load(userptr, "glBindTexture");
+    glad_glBlendColor = (PFNGLBLENDCOLORPROC) load(userptr, "glBlendColor");
+    glad_glBlendEquation = (PFNGLBLENDEQUATIONPROC) load(userptr, "glBlendEquation");
+    glad_glBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC) load(userptr, "glBlendEquationSeparate");
+    glad_glBlendFunc = (PFNGLBLENDFUNCPROC) load(userptr, "glBlendFunc");
+    glad_glBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC) load(userptr, "glBlendFuncSeparate");
+    glad_glBufferData = (PFNGLBUFFERDATAPROC) load(userptr, "glBufferData");
+    glad_glBufferSubData = (PFNGLBUFFERSUBDATAPROC) load(userptr, "glBufferSubData");
+    glad_glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC) load(userptr, "glCheckFramebufferStatus");
+    glad_glClear = (PFNGLCLEARPROC) load(userptr, "glClear");
+    glad_glClearColor = (PFNGLCLEARCOLORPROC) load(userptr, "glClearColor");
+    glad_glClearDepthf = (PFNGLCLEARDEPTHFPROC) load(userptr, "glClearDepthf");
+    glad_glClearStencil = (PFNGLCLEARSTENCILPROC) load(userptr, "glClearStencil");
+    glad_glColorMask = (PFNGLCOLORMASKPROC) load(userptr, "glColorMask");
+    glad_glCompileShader = (PFNGLCOMPILESHADERPROC) load(userptr, "glCompileShader");
+    glad_glCompressedTexImage2D = (PFNGLCOMPRESSEDTEXIMAGE2DPROC) load(userptr, "glCompressedTexImage2D");
+    glad_glCompressedTexSubImage2D = (PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC) load(userptr, "glCompressedTexSubImage2D");
+    glad_glCopyTexImage2D = (PFNGLCOPYTEXIMAGE2DPROC) load(userptr, "glCopyTexImage2D");
+    glad_glCopyTexSubImage2D = (PFNGLCOPYTEXSUBIMAGE2DPROC) load(userptr, "glCopyTexSubImage2D");
+    glad_glCreateProgram = (PFNGLCREATEPROGRAMPROC) load(userptr, "glCreateProgram");
+    glad_glCreateShader = (PFNGLCREATESHADERPROC) load(userptr, "glCreateShader");
+    glad_glCullFace = (PFNGLCULLFACEPROC) load(userptr, "glCullFace");
+    glad_glDeleteBuffers = (PFNGLDELETEBUFFERSPROC) load(userptr, "glDeleteBuffers");
+    glad_glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC) load(userptr, "glDeleteFramebuffers");
+    glad_glDeleteProgram = (PFNGLDELETEPROGRAMPROC) load(userptr, "glDeleteProgram");
+    glad_glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC) load(userptr, "glDeleteRenderbuffers");
+    glad_glDeleteShader = (PFNGLDELETESHADERPROC) load(userptr, "glDeleteShader");
+    glad_glDeleteTextures = (PFNGLDELETETEXTURESPROC) load(userptr, "glDeleteTextures");
+    glad_glDepthFunc = (PFNGLDEPTHFUNCPROC) load(userptr, "glDepthFunc");
+    glad_glDepthMask = (PFNGLDEPTHMASKPROC) load(userptr, "glDepthMask");
+    glad_glDepthRangef = (PFNGLDEPTHRANGEFPROC) load(userptr, "glDepthRangef");
+    glad_glDetachShader = (PFNGLDETACHSHADERPROC) load(userptr, "glDetachShader");
+    glad_glDisable = (PFNGLDISABLEPROC) load(userptr, "glDisable");
+    glad_glDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC) load(userptr, "glDisableVertexAttribArray");
+    glad_glDrawArrays = (PFNGLDRAWARRAYSPROC) load(userptr, "glDrawArrays");
+    glad_glDrawElements = (PFNGLDRAWELEMENTSPROC) load(userptr, "glDrawElements");
+    glad_glEnable = (PFNGLENABLEPROC) load(userptr, "glEnable");
+    glad_glEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC) load(userptr, "glEnableVertexAttribArray");
+    glad_glFinish = (PFNGLFINISHPROC) load(userptr, "glFinish");
+    glad_glFlush = (PFNGLFLUSHPROC) load(userptr, "glFlush");
+    glad_glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC) load(userptr, "glFramebufferRenderbuffer");
+    glad_glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC) load(userptr, "glFramebufferTexture2D");
+    glad_glFrontFace = (PFNGLFRONTFACEPROC) load(userptr, "glFrontFace");
+    glad_glGenBuffers = (PFNGLGENBUFFERSPROC) load(userptr, "glGenBuffers");
+    glad_glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC) load(userptr, "glGenFramebuffers");
+    glad_glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC) load(userptr, "glGenRenderbuffers");
+    glad_glGenTextures = (PFNGLGENTEXTURESPROC) load(userptr, "glGenTextures");
+    glad_glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC) load(userptr, "glGenerateMipmap");
+    glad_glGetActiveAttrib = (PFNGLGETACTIVEATTRIBPROC) load(userptr, "glGetActiveAttrib");
+    glad_glGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC) load(userptr, "glGetActiveUniform");
+    glad_glGetAttachedShaders = (PFNGLGETATTACHEDSHADERSPROC) load(userptr, "glGetAttachedShaders");
+    glad_glGetAttribLocation = (PFNGLGETATTRIBLOCATIONPROC) load(userptr, "glGetAttribLocation");
+    glad_glGetBooleanv = (PFNGLGETBOOLEANVPROC) load(userptr, "glGetBooleanv");
+    glad_glGetBufferParameteriv = (PFNGLGETBUFFERPARAMETERIVPROC) load(userptr, "glGetBufferParameteriv");
+    glad_glGetError = (PFNGLGETERRORPROC) load(userptr, "glGetError");
+    glad_glGetFloatv = (PFNGLGETFLOATVPROC) load(userptr, "glGetFloatv");
+    glad_glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC) load(userptr, "glGetFramebufferAttachmentParameteriv");
+    glad_glGetIntegerv = (PFNGLGETINTEGERVPROC) load(userptr, "glGetIntegerv");
+    glad_glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC) load(userptr, "glGetProgramInfoLog");
+    glad_glGetProgramiv = (PFNGLGETPROGRAMIVPROC) load(userptr, "glGetProgramiv");
+    glad_glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC) load(userptr, "glGetRenderbufferParameteriv");
+    glad_glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC) load(userptr, "glGetShaderInfoLog");
+    glad_glGetShaderPrecisionFormat = (PFNGLGETSHADERPRECISIONFORMATPROC) load(userptr, "glGetShaderPrecisionFormat");
+    glad_glGetShaderSource = (PFNGLGETSHADERSOURCEPROC) load(userptr, "glGetShaderSource");
+    glad_glGetShaderiv = (PFNGLGETSHADERIVPROC) load(userptr, "glGetShaderiv");
+    glad_glGetString = (PFNGLGETSTRINGPROC) load(userptr, "glGetString");
+    glad_glGetTexParameterfv = (PFNGLGETTEXPARAMETERFVPROC) load(userptr, "glGetTexParameterfv");
+    glad_glGetTexParameteriv = (PFNGLGETTEXPARAMETERIVPROC) load(userptr, "glGetTexParameteriv");
+    glad_glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC) load(userptr, "glGetUniformLocation");
+    glad_glGetUniformfv = (PFNGLGETUNIFORMFVPROC) load(userptr, "glGetUniformfv");
+    glad_glGetUniformiv = (PFNGLGETUNIFORMIVPROC) load(userptr, "glGetUniformiv");
+    glad_glGetVertexAttribPointerv = (PFNGLGETVERTEXATTRIBPOINTERVPROC) load(userptr, "glGetVertexAttribPointerv");
+    glad_glGetVertexAttribfv = (PFNGLGETVERTEXATTRIBFVPROC) load(userptr, "glGetVertexAttribfv");
+    glad_glGetVertexAttribiv = (PFNGLGETVERTEXATTRIBIVPROC) load(userptr, "glGetVertexAttribiv");
+    glad_glHint = (PFNGLHINTPROC) load(userptr, "glHint");
+    glad_glIsBuffer = (PFNGLISBUFFERPROC) load(userptr, "glIsBuffer");
+    glad_glIsEnabled = (PFNGLISENABLEDPROC) load(userptr, "glIsEnabled");
+    glad_glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC) load(userptr, "glIsFramebuffer");
+    glad_glIsProgram = (PFNGLISPROGRAMPROC) load(userptr, "glIsProgram");
+    glad_glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC) load(userptr, "glIsRenderbuffer");
+    glad_glIsShader = (PFNGLISSHADERPROC) load(userptr, "glIsShader");
+    glad_glIsTexture = (PFNGLISTEXTUREPROC) load(userptr, "glIsTexture");
+    glad_glLineWidth = (PFNGLLINEWIDTHPROC) load(userptr, "glLineWidth");
+    glad_glLinkProgram = (PFNGLLINKPROGRAMPROC) load(userptr, "glLinkProgram");
+    glad_glPixelStorei = (PFNGLPIXELSTOREIPROC) load(userptr, "glPixelStorei");
+    glad_glPolygonOffset = (PFNGLPOLYGONOFFSETPROC) load(userptr, "glPolygonOffset");
+    glad_glReadPixels = (PFNGLREADPIXELSPROC) load(userptr, "glReadPixels");
+    glad_glReleaseShaderCompiler = (PFNGLRELEASESHADERCOMPILERPROC) load(userptr, "glReleaseShaderCompiler");
+    glad_glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC) load(userptr, "glRenderbufferStorage");
+    glad_glSampleCoverage = (PFNGLSAMPLECOVERAGEPROC) load(userptr, "glSampleCoverage");
+    glad_glScissor = (PFNGLSCISSORPROC) load(userptr, "glScissor");
+    glad_glShaderBinary = (PFNGLSHADERBINARYPROC) load(userptr, "glShaderBinary");
+    glad_glShaderSource = (PFNGLSHADERSOURCEPROC) load(userptr, "glShaderSource");
+    glad_glStencilFunc = (PFNGLSTENCILFUNCPROC) load(userptr, "glStencilFunc");
+    glad_glStencilFuncSeparate = (PFNGLSTENCILFUNCSEPARATEPROC) load(userptr, "glStencilFuncSeparate");
+    glad_glStencilMask = (PFNGLSTENCILMASKPROC) load(userptr, "glStencilMask");
+    glad_glStencilMaskSeparate = (PFNGLSTENCILMASKSEPARATEPROC) load(userptr, "glStencilMaskSeparate");
+    glad_glStencilOp = (PFNGLSTENCILOPPROC) load(userptr, "glStencilOp");
+    glad_glStencilOpSeparate = (PFNGLSTENCILOPSEPARATEPROC) load(userptr, "glStencilOpSeparate");
+    glad_glTexImage2D = (PFNGLTEXIMAGE2DPROC) load(userptr, "glTexImage2D");
+    glad_glTexParameterf = (PFNGLTEXPARAMETERFPROC) load(userptr, "glTexParameterf");
+    glad_glTexParameterfv = (PFNGLTEXPARAMETERFVPROC) load(userptr, "glTexParameterfv");
+    glad_glTexParameteri = (PFNGLTEXPARAMETERIPROC) load(userptr, "glTexParameteri");
+    glad_glTexParameteriv = (PFNGLTEXPARAMETERIVPROC) load(userptr, "glTexParameteriv");
+    glad_glTexSubImage2D = (PFNGLTEXSUBIMAGE2DPROC) load(userptr, "glTexSubImage2D");
+    glad_glUniform1f = (PFNGLUNIFORM1FPROC) load(userptr, "glUniform1f");
+    glad_glUniform1fv = (PFNGLUNIFORM1FVPROC) load(userptr, "glUniform1fv");
+    glad_glUniform1i = (PFNGLUNIFORM1IPROC) load(userptr, "glUniform1i");
+    glad_glUniform1iv = (PFNGLUNIFORM1IVPROC) load(userptr, "glUniform1iv");
+    glad_glUniform2f = (PFNGLUNIFORM2FPROC) load(userptr, "glUniform2f");
+    glad_glUniform2fv = (PFNGLUNIFORM2FVPROC) load(userptr, "glUniform2fv");
+    glad_glUniform2i = (PFNGLUNIFORM2IPROC) load(userptr, "glUniform2i");
+    glad_glUniform2iv = (PFNGLUNIFORM2IVPROC) load(userptr, "glUniform2iv");
+    glad_glUniform3f = (PFNGLUNIFORM3FPROC) load(userptr, "glUniform3f");
+    glad_glUniform3fv = (PFNGLUNIFORM3FVPROC) load(userptr, "glUniform3fv");
+    glad_glUniform3i = (PFNGLUNIFORM3IPROC) load(userptr, "glUniform3i");
+    glad_glUniform3iv = (PFNGLUNIFORM3IVPROC) load(userptr, "glUniform3iv");
+    glad_glUniform4f = (PFNGLUNIFORM4FPROC) load(userptr, "glUniform4f");
+    glad_glUniform4fv = (PFNGLUNIFORM4FVPROC) load(userptr, "glUniform4fv");
+    glad_glUniform4i = (PFNGLUNIFORM4IPROC) load(userptr, "glUniform4i");
+    glad_glUniform4iv = (PFNGLUNIFORM4IVPROC) load(userptr, "glUniform4iv");
+    glad_glUniformMatrix2fv = (PFNGLUNIFORMMATRIX2FVPROC) load(userptr, "glUniformMatrix2fv");
+    glad_glUniformMatrix3fv = (PFNGLUNIFORMMATRIX3FVPROC) load(userptr, "glUniformMatrix3fv");
+    glad_glUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC) load(userptr, "glUniformMatrix4fv");
+    glad_glUseProgram = (PFNGLUSEPROGRAMPROC) load(userptr, "glUseProgram");
+    glad_glValidateProgram = (PFNGLVALIDATEPROGRAMPROC) load(userptr, "glValidateProgram");
+    glad_glVertexAttrib1f = (PFNGLVERTEXATTRIB1FPROC) load(userptr, "glVertexAttrib1f");
+    glad_glVertexAttrib1fv = (PFNGLVERTEXATTRIB1FVPROC) load(userptr, "glVertexAttrib1fv");
+    glad_glVertexAttrib2f = (PFNGLVERTEXATTRIB2FPROC) load(userptr, "glVertexAttrib2f");
+    glad_glVertexAttrib2fv = (PFNGLVERTEXATTRIB2FVPROC) load(userptr, "glVertexAttrib2fv");
+    glad_glVertexAttrib3f = (PFNGLVERTEXATTRIB3FPROC) load(userptr, "glVertexAttrib3f");
+    glad_glVertexAttrib3fv = (PFNGLVERTEXATTRIB3FVPROC) load(userptr, "glVertexAttrib3fv");
+    glad_glVertexAttrib4f = (PFNGLVERTEXATTRIB4FPROC) load(userptr, "glVertexAttrib4f");
+    glad_glVertexAttrib4fv = (PFNGLVERTEXATTRIB4FVPROC) load(userptr, "glVertexAttrib4fv");
+    glad_glVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC) load(userptr, "glVertexAttribPointer");
+    glad_glViewport = (PFNGLVIEWPORTPROC) load(userptr, "glViewport");
+}
+static void glad_gl_load_GL_ES_VERSION_3_0( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_GL_ES_VERSION_3_0) return;
+    glad_glBeginQuery = (PFNGLBEGINQUERYPROC) load(userptr, "glBeginQuery");
+    glad_glBeginTransformFeedback = (PFNGLBEGINTRANSFORMFEEDBACKPROC) load(userptr, "glBeginTransformFeedback");
+    glad_glBindBufferBase = (PFNGLBINDBUFFERBASEPROC) load(userptr, "glBindBufferBase");
+    glad_glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC) load(userptr, "glBindBufferRange");
+    glad_glBindSampler = (PFNGLBINDSAMPLERPROC) load(userptr, "glBindSampler");
+    glad_glBindTransformFeedback = (PFNGLBINDTRANSFORMFEEDBACKPROC) load(userptr, "glBindTransformFeedback");
+    glad_glBindVertexArray = (PFNGLBINDVERTEXARRAYPROC) load(userptr, "glBindVertexArray");
+    glad_glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC) load(userptr, "glBlitFramebuffer");
+    glad_glClearBufferfi = (PFNGLCLEARBUFFERFIPROC) load(userptr, "glClearBufferfi");
+    glad_glClearBufferfv = (PFNGLCLEARBUFFERFVPROC) load(userptr, "glClearBufferfv");
+    glad_glClearBufferiv = (PFNGLCLEARBUFFERIVPROC) load(userptr, "glClearBufferiv");
+    glad_glClearBufferuiv = (PFNGLCLEARBUFFERUIVPROC) load(userptr, "glClearBufferuiv");
+    glad_glClientWaitSync = (PFNGLCLIENTWAITSYNCPROC) load(userptr, "glClientWaitSync");
+    glad_glCompressedTexImage3D = (PFNGLCOMPRESSEDTEXIMAGE3DPROC) load(userptr, "glCompressedTexImage3D");
+    glad_glCompressedTexSubImage3D = (PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC) load(userptr, "glCompressedTexSubImage3D");
+    glad_glCopyBufferSubData = (PFNGLCOPYBUFFERSUBDATAPROC) load(userptr, "glCopyBufferSubData");
+    glad_glCopyTexSubImage3D = (PFNGLCOPYTEXSUBIMAGE3DPROC) load(userptr, "glCopyTexSubImage3D");
+    glad_glDeleteQueries = (PFNGLDELETEQUERIESPROC) load(userptr, "glDeleteQueries");
+    glad_glDeleteSamplers = (PFNGLDELETESAMPLERSPROC) load(userptr, "glDeleteSamplers");
+    glad_glDeleteSync = (PFNGLDELETESYNCPROC) load(userptr, "glDeleteSync");
+    glad_glDeleteTransformFeedbacks = (PFNGLDELETETRANSFORMFEEDBACKSPROC) load(userptr, "glDeleteTransformFeedbacks");
+    glad_glDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSPROC) load(userptr, "glDeleteVertexArrays");
+    glad_glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDPROC) load(userptr, "glDrawArraysInstanced");
+    glad_glDrawBuffers = (PFNGLDRAWBUFFERSPROC) load(userptr, "glDrawBuffers");
+    glad_glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDPROC) load(userptr, "glDrawElementsInstanced");
+    glad_glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC) load(userptr, "glDrawRangeElements");
+    glad_glEndQuery = (PFNGLENDQUERYPROC) load(userptr, "glEndQuery");
+    glad_glEndTransformFeedback = (PFNGLENDTRANSFORMFEEDBACKPROC) load(userptr, "glEndTransformFeedback");
+    glad_glFenceSync = (PFNGLFENCESYNCPROC) load(userptr, "glFenceSync");
+    glad_glFlushMappedBufferRange = (PFNGLFLUSHMAPPEDBUFFERRANGEPROC) load(userptr, "glFlushMappedBufferRange");
+    glad_glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC) load(userptr, "glFramebufferTextureLayer");
+    glad_glGenQueries = (PFNGLGENQUERIESPROC) load(userptr, "glGenQueries");
+    glad_glGenSamplers = (PFNGLGENSAMPLERSPROC) load(userptr, "glGenSamplers");
+    glad_glGenTransformFeedbacks = (PFNGLGENTRANSFORMFEEDBACKSPROC) load(userptr, "glGenTransformFeedbacks");
+    glad_glGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC) load(userptr, "glGenVertexArrays");
+    glad_glGetActiveUniformBlockName = (PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC) load(userptr, "glGetActiveUniformBlockName");
+    glad_glGetActiveUniformBlockiv = (PFNGLGETACTIVEUNIFORMBLOCKIVPROC) load(userptr, "glGetActiveUniformBlockiv");
+    glad_glGetActiveUniformsiv = (PFNGLGETACTIVEUNIFORMSIVPROC) load(userptr, "glGetActiveUniformsiv");
+    glad_glGetBufferParameteri64v = (PFNGLGETBUFFERPARAMETERI64VPROC) load(userptr, "glGetBufferParameteri64v");
+    glad_glGetBufferPointerv = (PFNGLGETBUFFERPOINTERVPROC) load(userptr, "glGetBufferPointerv");
+    glad_glGetFragDataLocation = (PFNGLGETFRAGDATALOCATIONPROC) load(userptr, "glGetFragDataLocation");
+    glad_glGetInteger64i_v = (PFNGLGETINTEGER64I_VPROC) load(userptr, "glGetInteger64i_v");
+    glad_glGetInteger64v = (PFNGLGETINTEGER64VPROC) load(userptr, "glGetInteger64v");
+    glad_glGetIntegeri_v = (PFNGLGETINTEGERI_VPROC) load(userptr, "glGetIntegeri_v");
+    glad_glGetInternalformativ = (PFNGLGETINTERNALFORMATIVPROC) load(userptr, "glGetInternalformativ");
+    glad_glGetProgramBinary = (PFNGLGETPROGRAMBINARYPROC) load(userptr, "glGetProgramBinary");
+    glad_glGetQueryObjectuiv = (PFNGLGETQUERYOBJECTUIVPROC) load(userptr, "glGetQueryObjectuiv");
+    glad_glGetQueryiv = (PFNGLGETQUERYIVPROC) load(userptr, "glGetQueryiv");
+    glad_glGetSamplerParameterfv = (PFNGLGETSAMPLERPARAMETERFVPROC) load(userptr, "glGetSamplerParameterfv");
+    glad_glGetSamplerParameteriv = (PFNGLGETSAMPLERPARAMETERIVPROC) load(userptr, "glGetSamplerParameteriv");
+    glad_glGetStringi = (PFNGLGETSTRINGIPROC) load(userptr, "glGetStringi");
+    glad_glGetSynciv = (PFNGLGETSYNCIVPROC) load(userptr, "glGetSynciv");
+    glad_glGetTransformFeedbackVarying = (PFNGLGETTRANSFORMFEEDBACKVARYINGPROC) load(userptr, "glGetTransformFeedbackVarying");
+    glad_glGetUniformBlockIndex = (PFNGLGETUNIFORMBLOCKINDEXPROC) load(userptr, "glGetUniformBlockIndex");
+    glad_glGetUniformIndices = (PFNGLGETUNIFORMINDICESPROC) load(userptr, "glGetUniformIndices");
+    glad_glGetUniformuiv = (PFNGLGETUNIFORMUIVPROC) load(userptr, "glGetUniformuiv");
+    glad_glGetVertexAttribIiv = (PFNGLGETVERTEXATTRIBIIVPROC) load(userptr, "glGetVertexAttribIiv");
+    glad_glGetVertexAttribIuiv = (PFNGLGETVERTEXATTRIBIUIVPROC) load(userptr, "glGetVertexAttribIuiv");
+    glad_glInvalidateFramebuffer = (PFNGLINVALIDATEFRAMEBUFFERPROC) load(userptr, "glInvalidateFramebuffer");
+    glad_glInvalidateSubFramebuffer = (PFNGLINVALIDATESUBFRAMEBUFFERPROC) load(userptr, "glInvalidateSubFramebuffer");
+    glad_glIsQuery = (PFNGLISQUERYPROC) load(userptr, "glIsQuery");
+    glad_glIsSampler = (PFNGLISSAMPLERPROC) load(userptr, "glIsSampler");
+    glad_glIsSync = (PFNGLISSYNCPROC) load(userptr, "glIsSync");
+    glad_glIsTransformFeedback = (PFNGLISTRANSFORMFEEDBACKPROC) load(userptr, "glIsTransformFeedback");
+    glad_glIsVertexArray = (PFNGLISVERTEXARRAYPROC) load(userptr, "glIsVertexArray");
+    glad_glMapBufferRange = (PFNGLMAPBUFFERRANGEPROC) load(userptr, "glMapBufferRange");
+    glad_glPauseTransformFeedback = (PFNGLPAUSETRANSFORMFEEDBACKPROC) load(userptr, "glPauseTransformFeedback");
+    glad_glProgramBinary = (PFNGLPROGRAMBINARYPROC) load(userptr, "glProgramBinary");
+    glad_glProgramParameteri = (PFNGLPROGRAMPARAMETERIPROC) load(userptr, "glProgramParameteri");
+    glad_glReadBuffer = (PFNGLREADBUFFERPROC) load(userptr, "glReadBuffer");
+    glad_glRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) load(userptr, "glRenderbufferStorageMultisample");
+    glad_glResumeTransformFeedback = (PFNGLRESUMETRANSFORMFEEDBACKPROC) load(userptr, "glResumeTransformFeedback");
+    glad_glSamplerParameterf = (PFNGLSAMPLERPARAMETERFPROC) load(userptr, "glSamplerParameterf");
+    glad_glSamplerParameterfv = (PFNGLSAMPLERPARAMETERFVPROC) load(userptr, "glSamplerParameterfv");
+    glad_glSamplerParameteri = (PFNGLSAMPLERPARAMETERIPROC) load(userptr, "glSamplerParameteri");
+    glad_glSamplerParameteriv = (PFNGLSAMPLERPARAMETERIVPROC) load(userptr, "glSamplerParameteriv");
+    glad_glTexImage3D = (PFNGLTEXIMAGE3DPROC) load(userptr, "glTexImage3D");
+    glad_glTexStorage2D = (PFNGLTEXSTORAGE2DPROC) load(userptr, "glTexStorage2D");
+    glad_glTexStorage3D = (PFNGLTEXSTORAGE3DPROC) load(userptr, "glTexStorage3D");
+    glad_glTexSubImage3D = (PFNGLTEXSUBIMAGE3DPROC) load(userptr, "glTexSubImage3D");
+    glad_glTransformFeedbackVaryings = (PFNGLTRANSFORMFEEDBACKVARYINGSPROC) load(userptr, "glTransformFeedbackVaryings");
+    glad_glUniform1ui = (PFNGLUNIFORM1UIPROC) load(userptr, "glUniform1ui");
+    glad_glUniform1uiv = (PFNGLUNIFORM1UIVPROC) load(userptr, "glUniform1uiv");
+    glad_glUniform2ui = (PFNGLUNIFORM2UIPROC) load(userptr, "glUniform2ui");
+    glad_glUniform2uiv = (PFNGLUNIFORM2UIVPROC) load(userptr, "glUniform2uiv");
+    glad_glUniform3ui = (PFNGLUNIFORM3UIPROC) load(userptr, "glUniform3ui");
+    glad_glUniform3uiv = (PFNGLUNIFORM3UIVPROC) load(userptr, "glUniform3uiv");
+    glad_glUniform4ui = (PFNGLUNIFORM4UIPROC) load(userptr, "glUniform4ui");
+    glad_glUniform4uiv = (PFNGLUNIFORM4UIVPROC) load(userptr, "glUniform4uiv");
+    glad_glUniformBlockBinding = (PFNGLUNIFORMBLOCKBINDINGPROC) load(userptr, "glUniformBlockBinding");
+    glad_glUniformMatrix2x3fv = (PFNGLUNIFORMMATRIX2X3FVPROC) load(userptr, "glUniformMatrix2x3fv");
+    glad_glUniformMatrix2x4fv = (PFNGLUNIFORMMATRIX2X4FVPROC) load(userptr, "glUniformMatrix2x4fv");
+    glad_glUniformMatrix3x2fv = (PFNGLUNIFORMMATRIX3X2FVPROC) load(userptr, "glUniformMatrix3x2fv");
+    glad_glUniformMatrix3x4fv = (PFNGLUNIFORMMATRIX3X4FVPROC) load(userptr, "glUniformMatrix3x4fv");
+    glad_glUniformMatrix4x2fv = (PFNGLUNIFORMMATRIX4X2FVPROC) load(userptr, "glUniformMatrix4x2fv");
+    glad_glUniformMatrix4x3fv = (PFNGLUNIFORMMATRIX4X3FVPROC) load(userptr, "glUniformMatrix4x3fv");
+    glad_glUnmapBuffer = (PFNGLUNMAPBUFFERPROC) load(userptr, "glUnmapBuffer");
+    glad_glVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISORPROC) load(userptr, "glVertexAttribDivisor");
+    glad_glVertexAttribI4i = (PFNGLVERTEXATTRIBI4IPROC) load(userptr, "glVertexAttribI4i");
+    glad_glVertexAttribI4iv = (PFNGLVERTEXATTRIBI4IVPROC) load(userptr, "glVertexAttribI4iv");
+    glad_glVertexAttribI4ui = (PFNGLVERTEXATTRIBI4UIPROC) load(userptr, "glVertexAttribI4ui");
+    glad_glVertexAttribI4uiv = (PFNGLVERTEXATTRIBI4UIVPROC) load(userptr, "glVertexAttribI4uiv");
+    glad_glVertexAttribIPointer = (PFNGLVERTEXATTRIBIPOINTERPROC) load(userptr, "glVertexAttribIPointer");
+    glad_glWaitSync = (PFNGLWAITSYNCPROC) load(userptr, "glWaitSync");
+}
+static void glad_gl_load_GL_ES_VERSION_3_1( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_GL_ES_VERSION_3_1) return;
+    glad_glActiveShaderProgram = (PFNGLACTIVESHADERPROGRAMPROC) load(userptr, "glActiveShaderProgram");
+    glad_glBindImageTexture = (PFNGLBINDIMAGETEXTUREPROC) load(userptr, "glBindImageTexture");
+    glad_glBindProgramPipeline = (PFNGLBINDPROGRAMPIPELINEPROC) load(userptr, "glBindProgramPipeline");
+    glad_glBindVertexBuffer = (PFNGLBINDVERTEXBUFFERPROC) load(userptr, "glBindVertexBuffer");
+    glad_glCreateShaderProgramv = (PFNGLCREATESHADERPROGRAMVPROC) load(userptr, "glCreateShaderProgramv");
+    glad_glDeleteProgramPipelines = (PFNGLDELETEPROGRAMPIPELINESPROC) load(userptr, "glDeleteProgramPipelines");
+    glad_glDispatchCompute = (PFNGLDISPATCHCOMPUTEPROC) load(userptr, "glDispatchCompute");
+    glad_glDispatchComputeIndirect = (PFNGLDISPATCHCOMPUTEINDIRECTPROC) load(userptr, "glDispatchComputeIndirect");
+    glad_glDrawArraysIndirect = (PFNGLDRAWARRAYSINDIRECTPROC) load(userptr, "glDrawArraysIndirect");
+    glad_glDrawElementsIndirect = (PFNGLDRAWELEMENTSINDIRECTPROC) load(userptr, "glDrawElementsIndirect");
+    glad_glFramebufferParameteri = (PFNGLFRAMEBUFFERPARAMETERIPROC) load(userptr, "glFramebufferParameteri");
+    glad_glGenProgramPipelines = (PFNGLGENPROGRAMPIPELINESPROC) load(userptr, "glGenProgramPipelines");
+    glad_glGetBooleani_v = (PFNGLGETBOOLEANI_VPROC) load(userptr, "glGetBooleani_v");
+    glad_glGetFramebufferParameteriv = (PFNGLGETFRAMEBUFFERPARAMETERIVPROC) load(userptr, "glGetFramebufferParameteriv");
+    glad_glGetMultisamplefv = (PFNGLGETMULTISAMPLEFVPROC) load(userptr, "glGetMultisamplefv");
+    glad_glGetProgramInterfaceiv = (PFNGLGETPROGRAMINTERFACEIVPROC) load(userptr, "glGetProgramInterfaceiv");
+    glad_glGetProgramPipelineInfoLog = (PFNGLGETPROGRAMPIPELINEINFOLOGPROC) load(userptr, "glGetProgramPipelineInfoLog");
+    glad_glGetProgramPipelineiv = (PFNGLGETPROGRAMPIPELINEIVPROC) load(userptr, "glGetProgramPipelineiv");
+    glad_glGetProgramResourceIndex = (PFNGLGETPROGRAMRESOURCEINDEXPROC) load(userptr, "glGetProgramResourceIndex");
+    glad_glGetProgramResourceLocation = (PFNGLGETPROGRAMRESOURCELOCATIONPROC) load(userptr, "glGetProgramResourceLocation");
+    glad_glGetProgramResourceName = (PFNGLGETPROGRAMRESOURCENAMEPROC) load(userptr, "glGetProgramResourceName");
+    glad_glGetProgramResourceiv = (PFNGLGETPROGRAMRESOURCEIVPROC) load(userptr, "glGetProgramResourceiv");
+    glad_glGetTexLevelParameterfv = (PFNGLGETTEXLEVELPARAMETERFVPROC) load(userptr, "glGetTexLevelParameterfv");
+    glad_glGetTexLevelParameteriv = (PFNGLGETTEXLEVELPARAMETERIVPROC) load(userptr, "glGetTexLevelParameteriv");
+    glad_glIsProgramPipeline = (PFNGLISPROGRAMPIPELINEPROC) load(userptr, "glIsProgramPipeline");
+    glad_glMemoryBarrier = (PFNGLMEMORYBARRIERPROC) load(userptr, "glMemoryBarrier");
+    glad_glMemoryBarrierByRegion = (PFNGLMEMORYBARRIERBYREGIONPROC) load(userptr, "glMemoryBarrierByRegion");
+    glad_glProgramUniform1f = (PFNGLPROGRAMUNIFORM1FPROC) load(userptr, "glProgramUniform1f");
+    glad_glProgramUniform1fv = (PFNGLPROGRAMUNIFORM1FVPROC) load(userptr, "glProgramUniform1fv");
+    glad_glProgramUniform1i = (PFNGLPROGRAMUNIFORM1IPROC) load(userptr, "glProgramUniform1i");
+    glad_glProgramUniform1iv = (PFNGLPROGRAMUNIFORM1IVPROC) load(userptr, "glProgramUniform1iv");
+    glad_glProgramUniform1ui = (PFNGLPROGRAMUNIFORM1UIPROC) load(userptr, "glProgramUniform1ui");
+    glad_glProgramUniform1uiv = (PFNGLPROGRAMUNIFORM1UIVPROC) load(userptr, "glProgramUniform1uiv");
+    glad_glProgramUniform2f = (PFNGLPROGRAMUNIFORM2FPROC) load(userptr, "glProgramUniform2f");
+    glad_glProgramUniform2fv = (PFNGLPROGRAMUNIFORM2FVPROC) load(userptr, "glProgramUniform2fv");
+    glad_glProgramUniform2i = (PFNGLPROGRAMUNIFORM2IPROC) load(userptr, "glProgramUniform2i");
+    glad_glProgramUniform2iv = (PFNGLPROGRAMUNIFORM2IVPROC) load(userptr, "glProgramUniform2iv");
+    glad_glProgramUniform2ui = (PFNGLPROGRAMUNIFORM2UIPROC) load(userptr, "glProgramUniform2ui");
+    glad_glProgramUniform2uiv = (PFNGLPROGRAMUNIFORM2UIVPROC) load(userptr, "glProgramUniform2uiv");
+    glad_glProgramUniform3f = (PFNGLPROGRAMUNIFORM3FPROC) load(userptr, "glProgramUniform3f");
+    glad_glProgramUniform3fv = (PFNGLPROGRAMUNIFORM3FVPROC) load(userptr, "glProgramUniform3fv");
+    glad_glProgramUniform3i = (PFNGLPROGRAMUNIFORM3IPROC) load(userptr, "glProgramUniform3i");
+    glad_glProgramUniform3iv = (PFNGLPROGRAMUNIFORM3IVPROC) load(userptr, "glProgramUniform3iv");
+    glad_glProgramUniform3ui = (PFNGLPROGRAMUNIFORM3UIPROC) load(userptr, "glProgramUniform3ui");
+    glad_glProgramUniform3uiv = (PFNGLPROGRAMUNIFORM3UIVPROC) load(userptr, "glProgramUniform3uiv");
+    glad_glProgramUniform4f = (PFNGLPROGRAMUNIFORM4FPROC) load(userptr, "glProgramUniform4f");
+    glad_glProgramUniform4fv = (PFNGLPROGRAMUNIFORM4FVPROC) load(userptr, "glProgramUniform4fv");
+    glad_glProgramUniform4i = (PFNGLPROGRAMUNIFORM4IPROC) load(userptr, "glProgramUniform4i");
+    glad_glProgramUniform4iv = (PFNGLPROGRAMUNIFORM4IVPROC) load(userptr, "glProgramUniform4iv");
+    glad_glProgramUniform4ui = (PFNGLPROGRAMUNIFORM4UIPROC) load(userptr, "glProgramUniform4ui");
+    glad_glProgramUniform4uiv = (PFNGLPROGRAMUNIFORM4UIVPROC) load(userptr, "glProgramUniform4uiv");
+    glad_glProgramUniformMatrix2fv = (PFNGLPROGRAMUNIFORMMATRIX2FVPROC) load(userptr, "glProgramUniformMatrix2fv");
+    glad_glProgramUniformMatrix2x3fv = (PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC) load(userptr, "glProgramUniformMatrix2x3fv");
+    glad_glProgramUniformMatrix2x4fv = (PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC) load(userptr, "glProgramUniformMatrix2x4fv");
+    glad_glProgramUniformMatrix3fv = (PFNGLPROGRAMUNIFORMMATRIX3FVPROC) load(userptr, "glProgramUniformMatrix3fv");
+    glad_glProgramUniformMatrix3x2fv = (PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC) load(userptr, "glProgramUniformMatrix3x2fv");
+    glad_glProgramUniformMatrix3x4fv = (PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC) load(userptr, "glProgramUniformMatrix3x4fv");
+    glad_glProgramUniformMatrix4fv = (PFNGLPROGRAMUNIFORMMATRIX4FVPROC) load(userptr, "glProgramUniformMatrix4fv");
+    glad_glProgramUniformMatrix4x2fv = (PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC) load(userptr, "glProgramUniformMatrix4x2fv");
+    glad_glProgramUniformMatrix4x3fv = (PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC) load(userptr, "glProgramUniformMatrix4x3fv");
+    glad_glSampleMaski = (PFNGLSAMPLEMASKIPROC) load(userptr, "glSampleMaski");
+    glad_glTexStorage2DMultisample = (PFNGLTEXSTORAGE2DMULTISAMPLEPROC) load(userptr, "glTexStorage2DMultisample");
+    glad_glUseProgramStages = (PFNGLUSEPROGRAMSTAGESPROC) load(userptr, "glUseProgramStages");
+    glad_glValidateProgramPipeline = (PFNGLVALIDATEPROGRAMPIPELINEPROC) load(userptr, "glValidateProgramPipeline");
+    glad_glVertexAttribBinding = (PFNGLVERTEXATTRIBBINDINGPROC) load(userptr, "glVertexAttribBinding");
+    glad_glVertexAttribFormat = (PFNGLVERTEXATTRIBFORMATPROC) load(userptr, "glVertexAttribFormat");
+    glad_glVertexAttribIFormat = (PFNGLVERTEXATTRIBIFORMATPROC) load(userptr, "glVertexAttribIFormat");
+    glad_glVertexBindingDivisor = (PFNGLVERTEXBINDINGDIVISORPROC) load(userptr, "glVertexBindingDivisor");
+}
+static void glad_gl_load_GL_ES_VERSION_3_2( GLADuserptrloadfunc load, void* userptr) {
+    if(!GLAD_GL_ES_VERSION_3_2) return;
+    glad_glBlendBarrier = (PFNGLBLENDBARRIERPROC) load(userptr, "glBlendBarrier");
+    glad_glBlendEquationSeparatei = (PFNGLBLENDEQUATIONSEPARATEIPROC) load(userptr, "glBlendEquationSeparatei");
+    glad_glBlendEquationi = (PFNGLBLENDEQUATIONIPROC) load(userptr, "glBlendEquationi");
+    glad_glBlendFuncSeparatei = (PFNGLBLENDFUNCSEPARATEIPROC) load(userptr, "glBlendFuncSeparatei");
+    glad_glBlendFunci = (PFNGLBLENDFUNCIPROC) load(userptr, "glBlendFunci");
+    glad_glColorMaski = (PFNGLCOLORMASKIPROC) load(userptr, "glColorMaski");
+    glad_glCopyImageSubData = (PFNGLCOPYIMAGESUBDATAPROC) load(userptr, "glCopyImageSubData");
+    glad_glDebugMessageCallback = (PFNGLDEBUGMESSAGECALLBACKPROC) load(userptr, "glDebugMessageCallback");
+    glad_glDebugMessageControl = (PFNGLDEBUGMESSAGECONTROLPROC) load(userptr, "glDebugMessageControl");
+    glad_glDebugMessageInsert = (PFNGLDEBUGMESSAGEINSERTPROC) load(userptr, "glDebugMessageInsert");
+    glad_glDisablei = (PFNGLDISABLEIPROC) load(userptr, "glDisablei");
+    glad_glDrawElementsBaseVertex = (PFNGLDRAWELEMENTSBASEVERTEXPROC) load(userptr, "glDrawElementsBaseVertex");
+    glad_glDrawElementsInstancedBaseVertex = (PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC) load(userptr, "glDrawElementsInstancedBaseVertex");
+    glad_glDrawRangeElementsBaseVertex = (PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC) load(userptr, "glDrawRangeElementsBaseVertex");
+    glad_glEnablei = (PFNGLENABLEIPROC) load(userptr, "glEnablei");
+    glad_glFramebufferTexture = (PFNGLFRAMEBUFFERTEXTUREPROC) load(userptr, "glFramebufferTexture");
+    glad_glGetDebugMessageLog = (PFNGLGETDEBUGMESSAGELOGPROC) load(userptr, "glGetDebugMessageLog");
+    glad_glGetGraphicsResetStatus = (PFNGLGETGRAPHICSRESETSTATUSPROC) load(userptr, "glGetGraphicsResetStatus");
+    glad_glGetObjectLabel = (PFNGLGETOBJECTLABELPROC) load(userptr, "glGetObjectLabel");
+    glad_glGetObjectPtrLabel = (PFNGLGETOBJECTPTRLABELPROC) load(userptr, "glGetObjectPtrLabel");
+    glad_glGetPointerv = (PFNGLGETPOINTERVPROC) load(userptr, "glGetPointerv");
+    glad_glGetSamplerParameterIiv = (PFNGLGETSAMPLERPARAMETERIIVPROC) load(userptr, "glGetSamplerParameterIiv");
+    glad_glGetSamplerParameterIuiv = (PFNGLGETSAMPLERPARAMETERIUIVPROC) load(userptr, "glGetSamplerParameterIuiv");
+    glad_glGetTexParameterIiv = (PFNGLGETTEXPARAMETERIIVPROC) load(userptr, "glGetTexParameterIiv");
+    glad_glGetTexParameterIuiv = (PFNGLGETTEXPARAMETERIUIVPROC) load(userptr, "glGetTexParameterIuiv");
+    glad_glGetnUniformfv = (PFNGLGETNUNIFORMFVPROC) load(userptr, "glGetnUniformfv");
+    glad_glGetnUniformiv = (PFNGLGETNUNIFORMIVPROC) load(userptr, "glGetnUniformiv");
+    glad_glGetnUniformuiv = (PFNGLGETNUNIFORMUIVPROC) load(userptr, "glGetnUniformuiv");
+    glad_glIsEnabledi = (PFNGLISENABLEDIPROC) load(userptr, "glIsEnabledi");
+    glad_glMinSampleShading = (PFNGLMINSAMPLESHADINGPROC) load(userptr, "glMinSampleShading");
+    glad_glObjectLabel = (PFNGLOBJECTLABELPROC) load(userptr, "glObjectLabel");
+    glad_glObjectPtrLabel = (PFNGLOBJECTPTRLABELPROC) load(userptr, "glObjectPtrLabel");
+    glad_glPatchParameteri = (PFNGLPATCHPARAMETERIPROC) load(userptr, "glPatchParameteri");
+    glad_glPopDebugGroup = (PFNGLPOPDEBUGGROUPPROC) load(userptr, "glPopDebugGroup");
+    glad_glPrimitiveBoundingBox = (PFNGLPRIMITIVEBOUNDINGBOXPROC) load(userptr, "glPrimitiveBoundingBox");
+    glad_glPushDebugGroup = (PFNGLPUSHDEBUGGROUPPROC) load(userptr, "glPushDebugGroup");
+    glad_glReadnPixels = (PFNGLREADNPIXELSPROC) load(userptr, "glReadnPixels");
+    glad_glSamplerParameterIiv = (PFNGLSAMPLERPARAMETERIIVPROC) load(userptr, "glSamplerParameterIiv");
+    glad_glSamplerParameterIuiv = (PFNGLSAMPLERPARAMETERIUIVPROC) load(userptr, "glSamplerParameterIuiv");
+    glad_glTexBuffer = (PFNGLTEXBUFFERPROC) load(userptr, "glTexBuffer");
+    glad_glTexBufferRange = (PFNGLTEXBUFFERRANGEPROC) load(userptr, "glTexBufferRange");
+    glad_glTexParameterIiv = (PFNGLTEXPARAMETERIIVPROC) load(userptr, "glTexParameterIiv");
+    glad_glTexParameterIuiv = (PFNGLTEXPARAMETERIUIVPROC) load(userptr, "glTexParameterIuiv");
+    glad_glTexStorage3DMultisample = (PFNGLTEXSTORAGE3DMULTISAMPLEPROC) load(userptr, "glTexStorage3DMultisample");
+}
 static void glad_gl_load_GL_ARB_debug_output( GLADuserptrloadfunc load, void* userptr) {
     if(!GLAD_GL_ARB_debug_output) return;
     glad_glDebugMessageCallbackARB = (PFNGLDEBUGMESSAGECALLBACKARBPROC) load(userptr, "glDebugMessageCallbackARB");
@@ -1831,6 +2310,78 @@ int gladLoadGL( GLADloadfunc load) {
     return gladLoadGLUserPtr( glad_gl_get_proc_from_userptr, GLAD_GNUC_EXTENSION (void*) load);
 }
 
+static int glad_gl_find_extensions_gles2( int version) {
+    const char *exts = NULL;
+    unsigned int num_exts_i = 0;
+    char **exts_i = NULL;
+    if (!glad_gl_get_extensions(version, &exts, &num_exts_i, &exts_i)) return 0;
+
+    GLAD_GL_OVR_multiview = glad_gl_has_extension(version, exts, num_exts_i, exts_i, "GL_OVR_multiview");
+    GLAD_GL_OVR_multiview2 = glad_gl_has_extension(version, exts, num_exts_i, exts_i, "GL_OVR_multiview2");
+
+    glad_gl_free_extensions(exts_i, num_exts_i);
+
+    return 1;
+}
+
+static int glad_gl_find_core_gles2(void) {
+    int i;
+    const char* version;
+    const char* prefixes[] = {
+        "OpenGL ES-CM ",
+        "OpenGL ES-CL ",
+        "OpenGL ES ",
+        "OpenGL SC ",
+        NULL
+    };
+    int major = 0;
+    int minor = 0;
+    version = (const char*) glad_glGetString(GL_VERSION);
+    if (!version) return 0;
+    for (i = 0;  prefixes[i];  i++) {
+        const size_t length = strlen(prefixes[i]);
+        if (strncmp(version, prefixes[i], length) == 0) {
+            version += length;
+            break;
+        }
+    }
+
+    GLAD_IMPL_UTIL_SSCANF(version, "%d.%d", &major, &minor);
+
+    GLAD_GL_ES_VERSION_2_0 = (major == 2 && minor >= 0) || major > 2;
+    GLAD_GL_ES_VERSION_3_0 = (major == 3 && minor >= 0) || major > 3;
+    GLAD_GL_ES_VERSION_3_1 = (major == 3 && minor >= 1) || major > 3;
+    GLAD_GL_ES_VERSION_3_2 = (major == 3 && minor >= 2) || major > 3;
+
+    return GLAD_MAKE_VERSION(major, minor);
+}
+
+int gladLoadGLES2UserPtr( GLADuserptrloadfunc load, void *userptr) {
+    int version;
+
+    glad_glGetString = (PFNGLGETSTRINGPROC) load(userptr, "glGetString");
+    if(glad_glGetString == NULL) return 0;
+    if(glad_glGetString(GL_VERSION) == NULL) return 0;
+    version = glad_gl_find_core_gles2();
+
+    glad_gl_load_GL_ES_VERSION_2_0(load, userptr);
+    glad_gl_load_GL_ES_VERSION_3_0(load, userptr);
+    glad_gl_load_GL_ES_VERSION_3_1(load, userptr);
+    glad_gl_load_GL_ES_VERSION_3_2(load, userptr);
+
+    if (!glad_gl_find_extensions_gles2(version)) return 0;
+    glad_gl_load_GL_OVR_multiview(load, userptr);
+
+
+
+    return version;
+}
+
+
+int gladLoadGLES2( GLADloadfunc load) {
+    return gladLoadGLES2UserPtr( glad_gl_get_proc_from_userptr, GLAD_GNUC_EXTENSION (void*) load);
+}
+
 
 
  
@@ -1924,7 +2475,7 @@ static GLADapiproc glad_gl_get_proc(void *vuserptr, const char *name) {
     return result;
 }
 
-static void* _glad_GL_loader_handle = NULL;
+static void* _glad_gles_loader_handle = NULL;
 
 static void* glad_gl_dlopen_handle(void) {
 #if GLAD_PLATFORM_APPLE
@@ -1946,11 +2497,11 @@ static void* glad_gl_dlopen_handle(void) {
     };
 #endif
 
-    if (_glad_GL_loader_handle == NULL) {
-        _glad_GL_loader_handle = glad_get_dlopen_handle(NAMES, sizeof(NAMES) / sizeof(NAMES[0]));
+    if (_glad_gles_loader_handle == NULL) {
+        _glad_gles_loader_handle = glad_get_dlopen_handle(NAMES, sizeof(NAMES) / sizeof(NAMES[0]));
     }
 
-    return _glad_GL_loader_handle;
+    return _glad_gles_loader_handle;
 }
 
 static struct _glad_gl_userptr glad_gl_build_userptr(void *handle) {
@@ -1976,7 +2527,7 @@ int gladLoaderLoadGL(void) {
     int did_load = 0;
     struct _glad_gl_userptr userptr;
 
-    did_load = _glad_GL_loader_handle == NULL;
+    did_load = _glad_gles_loader_handle == NULL;
     handle = glad_gl_dlopen_handle();
     if (handle) {
         userptr = glad_gl_build_userptr(handle);
@@ -1994,13 +2545,199 @@ int gladLoaderLoadGL(void) {
 
 
 void gladLoaderUnloadGL(void) {
+    if (_glad_gles_loader_handle != NULL) {
+        glad_close_dlopen_handle(_glad_gles_loader_handle);
+        _glad_gles_loader_handle = NULL;
+    }
+}
+
+#endif /* GLAD_GL */
+#ifdef GLAD_GLES2
+
+#ifndef GLAD_LOADER_LIBRARY_C_
+#define GLAD_LOADER_LIBRARY_C_
+
+#include <stddef.h>
+#include <stdlib.h>
+
+#if GLAD_PLATFORM_WIN32
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#endif
+
+
+static void* glad_get_dlopen_handle(const char *lib_names[], int length) {
+    void *handle = NULL;
+    int i;
+
+    for (i = 0; i < length; ++i) {
+#if GLAD_PLATFORM_WIN32
+  #if GLAD_PLATFORM_UWP
+        size_t buffer_size = (strlen(lib_names[i]) + 1) * sizeof(WCHAR);
+        LPWSTR buffer = (LPWSTR) malloc(buffer_size);
+        if (buffer != NULL) {
+            int ret = MultiByteToWideChar(CP_ACP, 0, lib_names[i], -1, buffer, buffer_size);
+            if (ret != 0) {
+                handle = (void*) LoadPackagedLibrary(buffer, 0);
+            }
+            free((void*) buffer);
+        }
+  #else
+        handle = (void*) LoadLibraryA(lib_names[i]);
+  #endif
+#else
+        handle = dlopen(lib_names[i], RTLD_LAZY | RTLD_LOCAL);
+#endif
+        if (handle != NULL) {
+            return handle;
+        }
+    }
+
+    return NULL;
+}
+
+static void glad_close_dlopen_handle(void* handle) {
+    if (handle != NULL) {
+#if GLAD_PLATFORM_WIN32
+        FreeLibrary((HMODULE) handle);
+#else
+        dlclose(handle);
+#endif
+    }
+}
+
+static GLADapiproc glad_dlsym_handle(void* handle, const char *name) {
+    if (handle == NULL) {
+        return NULL;
+    }
+
+#if GLAD_PLATFORM_WIN32
+    return (GLADapiproc) GetProcAddress((HMODULE) handle, name);
+#else
+    return GLAD_GNUC_EXTENSION (GLADapiproc) dlsym(handle, name);
+#endif
+}
+
+#endif /* GLAD_LOADER_LIBRARY_C_ */
+
+#if GLAD_PLATFORM_EMSCRIPTEN
+#ifndef GLAD_EGL_H_
+  typedef void (*__eglMustCastToProperFunctionPointerType)(void);
+  typedef __eglMustCastToProperFunctionPointerType (GLAD_API_PTR *PFNEGLGETPROCADDRESSPROC)(const char *name);
+#endif
+  extern __eglMustCastToProperFunctionPointerType emscripten_GetProcAddress(const char *name);
+#elif EGL_STATIC
+  typedef void (*__eglMustCastToProperFunctionPointerType)(void);
+  typedef __eglMustCastToProperFunctionPointerType (GLAD_API_PTR *PFNEGLGETPROCADDRESSPROC)(const char *name);
+  extern __eglMustCastToProperFunctionPointerType GLAD_API_PTR eglGetProcAddress(const char *name);
+#else
+  #include <glad/egl.h>
+#endif
+
+
+struct _glad_gles2_userptr {
+    void *handle;
+    PFNEGLGETPROCADDRESSPROC get_proc_address_ptr;
+};
+
+
+static GLADapiproc glad_gles2_get_proc(void *vuserptr, const char* name) {
+    struct _glad_gles2_userptr userptr = *(struct _glad_gles2_userptr*) vuserptr;
+    GLADapiproc result = NULL;
+
+#if GLAD_PLATFORM_EMSCRIPTEN
+    GLAD_UNUSED(glad_dlsym_handle);
+#else
+    result = glad_dlsym_handle(userptr.handle, name);
+#endif
+    if (result == NULL) {
+        result = userptr.get_proc_address_ptr(name);
+    }
+
+    return result;
+}
+
+static void* _glad_GL_loader_handle = NULL;
+
+static void* glad_gles2_dlopen_handle(void) {
+#if GLAD_PLATFORM_EMSCRIPTEN
+#elif GLAD_PLATFORM_APPLE
+    static const char *NAMES[] = {"libGLESv2.dylib"};
+#elif GLAD_PLATFORM_WIN32
+    static const char *NAMES[] = {"GLESv2.dll", "libGLESv2.dll"};
+#else
+    static const char *NAMES[] = {"libGLESv2.so.2", "libGLESv2.so"};
+#endif
+
+#if GLAD_PLATFORM_EMSCRIPTEN
+    GLAD_UNUSED(glad_get_dlopen_handle);
+    return NULL;
+#else
+    if (_glad_GL_loader_handle == NULL) {
+        _glad_GL_loader_handle = glad_get_dlopen_handle(NAMES, sizeof(NAMES) / sizeof(NAMES[0]));
+    }
+
+    return _glad_GL_loader_handle;
+#endif
+}
+
+static struct _glad_gles2_userptr glad_gles2_build_userptr(void *handle) {
+    struct _glad_gles2_userptr userptr;
+#if GLAD_PLATFORM_EMSCRIPTEN
+    GLAD_UNUSED(handle);
+    userptr.get_proc_address_ptr = emscripten_GetProcAddress;
+#else
+    userptr.handle = handle;
+    userptr.get_proc_address_ptr = eglGetProcAddress;
+#endif
+    return userptr;
+}
+
+int gladLoaderLoadGLES2(void) {
+    int version = 0;
+    void *handle = NULL;
+    int did_load = 0;
+    struct _glad_gles2_userptr userptr;
+
+#if GLAD_PLATFORM_EMSCRIPTEN
+    GLAD_UNUSED(handle);
+    GLAD_UNUSED(did_load);
+    GLAD_UNUSED(glad_gles2_dlopen_handle);
+    GLAD_UNUSED(glad_gles2_build_userptr);
+    userptr.get_proc_address_ptr = emscripten_GetProcAddress;
+    version = gladLoadGLES2UserPtr(glad_gles2_get_proc, &userptr);
+#else
+    if (eglGetProcAddress == NULL) {
+        return 0;
+    }
+
+    did_load = _glad_GL_loader_handle == NULL;
+    handle = glad_gles2_dlopen_handle();
+    if (handle != NULL) {
+        userptr = glad_gles2_build_userptr(handle);
+
+        version = gladLoadGLES2UserPtr(glad_gles2_get_proc, &userptr);
+
+        if (!version && did_load) {
+            gladLoaderUnloadGLES2();
+        }
+    }
+#endif
+
+    return version;
+}
+
+
+
+void gladLoaderUnloadGLES2(void) {
     if (_glad_GL_loader_handle != NULL) {
         glad_close_dlopen_handle(_glad_GL_loader_handle);
         _glad_GL_loader_handle = NULL;
     }
 }
 
-#endif /* GLAD_GL */
+#endif /* GLAD_GLES2 */
 
 #ifdef __cplusplus
 }

thirdparty/glad/glad/egl.h

@@ -0,0 +1,562 @@
+/**
+ * Loader generated by glad 2.0.3 on Fri Feb  3 07:06:48 2023
+ *
+ * SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0
+ *
+ * Generator: C/C++
+ * Specification: egl
+ * Extensions: 3
+ *
+ * APIs:
+ *  - egl=1.5
+ *
+ * Options:
+ *  - ALIAS = False
+ *  - DEBUG = False
+ *  - HEADER_ONLY = False
+ *  - LOADER = True
+ *  - MX = False
+ *  - ON_DEMAND = False
+ *
+ * Commandline:
+ *    --api='egl=1.5' --extensions='EGL_ANDROID_blob_cache,EGL_KHR_platform_wayland,EGL_KHR_platform_x11' c --loader
+ *
+ * Online:
+ *    http://glad.sh/#api=egl%3D1.5&extensions=EGL_ANDROID_blob_cache%2CEGL_KHR_platform_wayland%2CEGL_KHR_platform_x11&generator=c&options=LOADER
+ *
+ */
+
+#ifndef GLAD_EGL_H_
+#define GLAD_EGL_H_
+
+
+#define GLAD_EGL
+#define GLAD_OPTION_EGL_LOADER
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef GLAD_PLATFORM_H_
+#define GLAD_PLATFORM_H_
+
+#ifndef GLAD_PLATFORM_WIN32
+  #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__MINGW32__)
+    #define GLAD_PLATFORM_WIN32 1
+  #else
+    #define GLAD_PLATFORM_WIN32 0
+  #endif
+#endif
+
+#ifndef GLAD_PLATFORM_APPLE
+  #ifdef __APPLE__
+    #define GLAD_PLATFORM_APPLE 1
+  #else
+    #define GLAD_PLATFORM_APPLE 0
+  #endif
+#endif
+
+#ifndef GLAD_PLATFORM_EMSCRIPTEN
+  #ifdef __EMSCRIPTEN__
+    #define GLAD_PLATFORM_EMSCRIPTEN 1
+  #else
+    #define GLAD_PLATFORM_EMSCRIPTEN 0
+  #endif
+#endif
+
+#ifndef GLAD_PLATFORM_UWP
+  #if defined(_MSC_VER) && !defined(GLAD_INTERNAL_HAVE_WINAPIFAMILY)
+    #ifdef __has_include
+      #if __has_include(<winapifamily.h>)
+        #define GLAD_INTERNAL_HAVE_WINAPIFAMILY 1
+      #endif
+    #elif _MSC_VER >= 1700 && !_USING_V110_SDK71_
+      #define GLAD_INTERNAL_HAVE_WINAPIFAMILY 1
+    #endif
+  #endif
+
+  #ifdef GLAD_INTERNAL_HAVE_WINAPIFAMILY
+    #include <winapifamily.h>
+    #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
+      #define GLAD_PLATFORM_UWP 1
+    #endif
+  #endif
+
+  #ifndef GLAD_PLATFORM_UWP
+    #define GLAD_PLATFORM_UWP 0
+  #endif
+#endif
+
+#ifdef __GNUC__
+  #define GLAD_GNUC_EXTENSION __extension__
+#else
+  #define GLAD_GNUC_EXTENSION
+#endif
+
+#define GLAD_UNUSED(x) (void)(x)
+
+#ifndef GLAD_API_CALL
+  #if defined(GLAD_API_CALL_EXPORT)
+    #if GLAD_PLATFORM_WIN32 || defined(__CYGWIN__)
+      #if defined(GLAD_API_CALL_EXPORT_BUILD)
+        #if defined(__GNUC__)
+          #define GLAD_API_CALL __attribute__ ((dllexport)) extern
+        #else
+          #define GLAD_API_CALL __declspec(dllexport) extern
+        #endif
+      #else
+        #if defined(__GNUC__)
+          #define GLAD_API_CALL __attribute__ ((dllimport)) extern
+        #else
+          #define GLAD_API_CALL __declspec(dllimport) extern
+        #endif
+      #endif
+    #elif defined(__GNUC__) && defined(GLAD_API_CALL_EXPORT_BUILD)
+      #define GLAD_API_CALL __attribute__ ((visibility ("default"))) extern
+    #else
+      #define GLAD_API_CALL extern
+    #endif
+  #else
+    #define GLAD_API_CALL extern
+  #endif
+#endif
+
+#ifdef APIENTRY
+  #define GLAD_API_PTR APIENTRY
+#elif GLAD_PLATFORM_WIN32
+  #define GLAD_API_PTR __stdcall
+#else
+  #define GLAD_API_PTR
+#endif
+
+#ifndef GLAPI
+#define GLAPI GLAD_API_CALL
+#endif
+
+#ifndef GLAPIENTRY
+#define GLAPIENTRY GLAD_API_PTR
+#endif
+
+#define GLAD_MAKE_VERSION(major, minor) (major * 10000 + minor)
+#define GLAD_VERSION_MAJOR(version) (version / 10000)
+#define GLAD_VERSION_MINOR(version) (version % 10000)
+
+#define GLAD_GENERATOR_VERSION "2.0.3"
+
+typedef void (*GLADapiproc)(void);
+
+typedef GLADapiproc (*GLADloadfunc)(const char *name);
+typedef GLADapiproc (*GLADuserptrloadfunc)(void *userptr, const char *name);
+
+typedef void (*GLADprecallback)(const char *name, GLADapiproc apiproc, int len_args, ...);
+typedef void (*GLADpostcallback)(void *ret, const char *name, GLADapiproc apiproc, int len_args, ...);
+
+#endif /* GLAD_PLATFORM_H_ */
+
+#define EGL_ALPHA_FORMAT 0x3088
+#define EGL_ALPHA_FORMAT_NONPRE 0x308B
+#define EGL_ALPHA_FORMAT_PRE 0x308C
+#define EGL_ALPHA_MASK_SIZE 0x303E
+#define EGL_ALPHA_SIZE 0x3021
+#define EGL_BACK_BUFFER 0x3084
+#define EGL_BAD_ACCESS 0x3002
+#define EGL_BAD_ALLOC 0x3003
+#define EGL_BAD_ATTRIBUTE 0x3004
+#define EGL_BAD_CONFIG 0x3005
+#define EGL_BAD_CONTEXT 0x3006
+#define EGL_BAD_CURRENT_SURFACE 0x3007
+#define EGL_BAD_DISPLAY 0x3008
+#define EGL_BAD_MATCH 0x3009
+#define EGL_BAD_NATIVE_PIXMAP 0x300A
+#define EGL_BAD_NATIVE_WINDOW 0x300B
+#define EGL_BAD_PARAMETER 0x300C
+#define EGL_BAD_SURFACE 0x300D
+#define EGL_BIND_TO_TEXTURE_RGB 0x3039
+#define EGL_BIND_TO_TEXTURE_RGBA 0x303A
+#define EGL_BLUE_SIZE 0x3022
+#define EGL_BUFFER_DESTROYED 0x3095
+#define EGL_BUFFER_PRESERVED 0x3094
+#define EGL_BUFFER_SIZE 0x3020
+#define EGL_CLIENT_APIS 0x308D
+#define EGL_CL_EVENT_HANDLE 0x309C
+#define EGL_COLORSPACE 0x3087
+#define EGL_COLORSPACE_LINEAR 0x308A
+#define EGL_COLORSPACE_sRGB 0x3089
+#define EGL_COLOR_BUFFER_TYPE 0x303F
+#define EGL_CONDITION_SATISFIED 0x30F6
+#define EGL_CONFIG_CAVEAT 0x3027
+#define EGL_CONFIG_ID 0x3028
+#define EGL_CONFORMANT 0x3042
+#define EGL_CONTEXT_CLIENT_TYPE 0x3097
+#define EGL_CONTEXT_CLIENT_VERSION 0x3098
+#define EGL_CONTEXT_LOST 0x300E
+#define EGL_CONTEXT_MAJOR_VERSION 0x3098
+#define EGL_CONTEXT_MINOR_VERSION 0x30FB
+#define EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT 0x00000002
+#define EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT 0x00000001
+#define EGL_CONTEXT_OPENGL_DEBUG 0x31B0
+#define EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE 0x31B1
+#define EGL_CONTEXT_OPENGL_PROFILE_MASK 0x30FD
+#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY 0x31BD
+#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS 0x31B2
+#define EGL_CORE_NATIVE_ENGINE 0x305B
+#define EGL_DEFAULT_DISPLAY EGL_CAST(EGLNativeDisplayType,0)
+#define EGL_DEPTH_SIZE 0x3025
+#define EGL_DISPLAY_SCALING 10000
+#define EGL_DONT_CARE EGL_CAST(EGLint,-1)
+#define EGL_DRAW 0x3059
+#define EGL_EXTENSIONS 0x3055
+#define EGL_FALSE 0
+#define EGL_FOREVER 0xFFFFFFFFFFFFFFFF
+#define EGL_GL_COLORSPACE 0x309D
+#define EGL_GL_COLORSPACE_LINEAR 0x308A
+#define EGL_GL_COLORSPACE_SRGB 0x3089
+#define EGL_GL_RENDERBUFFER 0x30B9
+#define EGL_GL_TEXTURE_2D 0x30B1
+#define EGL_GL_TEXTURE_3D 0x30B2
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x30B4
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x30B6
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x30B8
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x30B3
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x30B5
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x30B7
+#define EGL_GL_TEXTURE_LEVEL 0x30BC
+#define EGL_GL_TEXTURE_ZOFFSET 0x30BD
+#define EGL_GREEN_SIZE 0x3023
+#define EGL_HEIGHT 0x3056
+#define EGL_HORIZONTAL_RESOLUTION 0x3090
+#define EGL_IMAGE_PRESERVED 0x30D2
+#define EGL_LARGEST_PBUFFER 0x3058
+#define EGL_LEVEL 0x3029
+#define EGL_LOSE_CONTEXT_ON_RESET 0x31BF
+#define EGL_LUMINANCE_BUFFER 0x308F
+#define EGL_LUMINANCE_SIZE 0x303D
+#define EGL_MATCH_NATIVE_PIXMAP 0x3041
+#define EGL_MAX_PBUFFER_HEIGHT 0x302A
+#define EGL_MAX_PBUFFER_PIXELS 0x302B
+#define EGL_MAX_PBUFFER_WIDTH 0x302C
+#define EGL_MAX_SWAP_INTERVAL 0x303C
+#define EGL_MIN_SWAP_INTERVAL 0x303B
+#define EGL_MIPMAP_LEVEL 0x3083
+#define EGL_MIPMAP_TEXTURE 0x3082
+#define EGL_MULTISAMPLE_RESOLVE 0x3099
+#define EGL_MULTISAMPLE_RESOLVE_BOX 0x309B
+#define EGL_MULTISAMPLE_RESOLVE_BOX_BIT 0x0200
+#define EGL_MULTISAMPLE_RESOLVE_DEFAULT 0x309A
+#define EGL_NATIVE_RENDERABLE 0x302D
+#define EGL_NATIVE_VISUAL_ID 0x302E
+#define EGL_NATIVE_VISUAL_TYPE 0x302F
+#define EGL_NONE 0x3038
+#define EGL_NON_CONFORMANT_CONFIG 0x3051
+#define EGL_NOT_INITIALIZED 0x3001
+#define EGL_NO_CONTEXT EGL_CAST(EGLContext,0)
+#define EGL_NO_DISPLAY EGL_CAST(EGLDisplay,0)
+#define EGL_NO_IMAGE EGL_CAST(EGLImage,0)
+#define EGL_NO_RESET_NOTIFICATION 0x31BE
+#define EGL_NO_SURFACE EGL_CAST(EGLSurface,0)
+#define EGL_NO_SYNC EGL_CAST(EGLSync,0)
+#define EGL_NO_TEXTURE 0x305C
+#define EGL_OPENGL_API 0x30A2
+#define EGL_OPENGL_BIT 0x0008
+#define EGL_OPENGL_ES2_BIT 0x0004
+#define EGL_OPENGL_ES3_BIT 0x00000040
+#define EGL_OPENGL_ES_API 0x30A0
+#define EGL_OPENGL_ES_BIT 0x0001
+#define EGL_OPENVG_API 0x30A1
+#define EGL_OPENVG_BIT 0x0002
+#define EGL_OPENVG_IMAGE 0x3096
+#define EGL_PBUFFER_BIT 0x0001
+#define EGL_PIXEL_ASPECT_RATIO 0x3092
+#define EGL_PIXMAP_BIT 0x0002
+#define EGL_PLATFORM_WAYLAND_KHR 0x31D8
+#define EGL_PLATFORM_X11_KHR 0x31D5
+#define EGL_PLATFORM_X11_SCREEN_KHR 0x31D6
+#define EGL_READ 0x305A
+#define EGL_RED_SIZE 0x3024
+#define EGL_RENDERABLE_TYPE 0x3040
+#define EGL_RENDER_BUFFER 0x3086
+#define EGL_RGB_BUFFER 0x308E
+#define EGL_SAMPLES 0x3031
+#define EGL_SAMPLE_BUFFERS 0x3032
+#define EGL_SIGNALED 0x30F2
+#define EGL_SINGLE_BUFFER 0x3085
+#define EGL_SLOW_CONFIG 0x3050
+#define EGL_STENCIL_SIZE 0x3026
+#define EGL_SUCCESS 0x3000
+#define EGL_SURFACE_TYPE 0x3033
+#define EGL_SWAP_BEHAVIOR 0x3093
+#define EGL_SWAP_BEHAVIOR_PRESERVED_BIT 0x0400
+#define EGL_SYNC_CL_EVENT 0x30FE
+#define EGL_SYNC_CL_EVENT_COMPLETE 0x30FF
+#define EGL_SYNC_CONDITION 0x30F8
+#define EGL_SYNC_FENCE 0x30F9
+#define EGL_SYNC_FLUSH_COMMANDS_BIT 0x0001
+#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE 0x30F0
+#define EGL_SYNC_STATUS 0x30F1
+#define EGL_SYNC_TYPE 0x30F7
+#define EGL_TEXTURE_2D 0x305F
+#define EGL_TEXTURE_FORMAT 0x3080
+#define EGL_TEXTURE_RGB 0x305D
+#define EGL_TEXTURE_RGBA 0x305E
+#define EGL_TEXTURE_TARGET 0x3081
+#define EGL_TIMEOUT_EXPIRED 0x30F5
+#define EGL_TRANSPARENT_BLUE_VALUE 0x3035
+#define EGL_TRANSPARENT_GREEN_VALUE 0x3036
+#define EGL_TRANSPARENT_RED_VALUE 0x3037
+#define EGL_TRANSPARENT_RGB 0x3052
+#define EGL_TRANSPARENT_TYPE 0x3034
+#define EGL_TRUE 1
+#define EGL_UNKNOWN EGL_CAST(EGLint,-1)
+#define EGL_UNSIGNALED 0x30F3
+#define EGL_VENDOR 0x3053
+#define EGL_VERSION 0x3054
+#define EGL_VERTICAL_RESOLUTION 0x3091
+#define EGL_VG_ALPHA_FORMAT 0x3088
+#define EGL_VG_ALPHA_FORMAT_NONPRE 0x308B
+#define EGL_VG_ALPHA_FORMAT_PRE 0x308C
+#define EGL_VG_ALPHA_FORMAT_PRE_BIT 0x0040
+#define EGL_VG_COLORSPACE 0x3087
+#define EGL_VG_COLORSPACE_LINEAR 0x308A
+#define EGL_VG_COLORSPACE_LINEAR_BIT 0x0020
+#define EGL_VG_COLORSPACE_sRGB 0x3089
+#define EGL_WIDTH 0x3057
+#define EGL_WINDOW_BIT 0x0004
+
+
+#include <KHR/khrplatform.h>
+#include <EGL/eglplatform.h>
+
+
+
+
+
+
+
+
+
+
+
+struct AHardwareBuffer;
+struct wl_buffer;
+struct wl_display;
+struct wl_resource;
+
+typedef unsigned int EGLBoolean;
+typedef unsigned int EGLenum;
+typedef intptr_t EGLAttribKHR;
+typedef intptr_t EGLAttrib;
+typedef void *EGLClientBuffer;
+typedef void *EGLConfig;
+typedef void *EGLContext;
+typedef void *EGLDeviceEXT;
+typedef void *EGLDisplay;
+typedef void *EGLImage;
+typedef void *EGLImageKHR;
+typedef void *EGLLabelKHR;
+typedef void *EGLObjectKHR;
+typedef void *EGLOutputLayerEXT;
+typedef void *EGLOutputPortEXT;
+typedef void *EGLStreamKHR;
+typedef void *EGLSurface;
+typedef void *EGLSync;
+typedef void *EGLSyncKHR;
+typedef void *EGLSyncNV;
+typedef void (*__eglMustCastToProperFunctionPointerType)(void);
+typedef khronos_utime_nanoseconds_t EGLTimeKHR;
+typedef khronos_utime_nanoseconds_t EGLTime;
+typedef khronos_utime_nanoseconds_t EGLTimeNV;
+typedef khronos_utime_nanoseconds_t EGLuint64NV;
+typedef khronos_uint64_t EGLuint64KHR;
+typedef khronos_stime_nanoseconds_t EGLnsecsANDROID;
+typedef int EGLNativeFileDescriptorKHR;
+typedef khronos_ssize_t EGLsizeiANDROID;
+typedef void (*EGLSetBlobFuncANDROID) (const void *key, EGLsizeiANDROID keySize, const void *value, EGLsizeiANDROID valueSize);
+typedef EGLsizeiANDROID (*EGLGetBlobFuncANDROID) (const void *key, EGLsizeiANDROID keySize, void *value, EGLsizeiANDROID valueSize);
+struct EGLClientPixmapHI {
+    void  *pData;
+    EGLint iWidth;
+    EGLint iHeight;
+    EGLint iStride;
+};
+typedef void (GLAD_API_PTR *EGLDEBUGPROCKHR)(EGLenum error,const char *command,EGLint messageType,EGLLabelKHR threadLabel,EGLLabelKHR objectLabel,const char* message);
+#define PFNEGLBINDWAYLANDDISPLAYWL PFNEGLBINDWAYLANDDISPLAYWLPROC
+#define PFNEGLUNBINDWAYLANDDISPLAYWL PFNEGLUNBINDWAYLANDDISPLAYWLPROC
+#define PFNEGLQUERYWAYLANDBUFFERWL PFNEGLQUERYWAYLANDBUFFERWLPROC
+#define PFNEGLCREATEWAYLANDBUFFERFROMIMAGEWL PFNEGLCREATEWAYLANDBUFFERFROMIMAGEWLPROC
+
+
+#define EGL_VERSION_1_0 1
+GLAD_API_CALL int GLAD_EGL_VERSION_1_0;
+#define EGL_VERSION_1_1 1
+GLAD_API_CALL int GLAD_EGL_VERSION_1_1;
+#define EGL_VERSION_1_2 1
+GLAD_API_CALL int GLAD_EGL_VERSION_1_2;
+#define EGL_VERSION_1_3 1
+GLAD_API_CALL int GLAD_EGL_VERSION_1_3;
+#define EGL_VERSION_1_4 1
+GLAD_API_CALL int GLAD_EGL_VERSION_1_4;
+#define EGL_VERSION_1_5 1
+GLAD_API_CALL int GLAD_EGL_VERSION_1_5;
+#define EGL_ANDROID_blob_cache 1
+GLAD_API_CALL int GLAD_EGL_ANDROID_blob_cache;
+#define EGL_KHR_platform_wayland 1
+GLAD_API_CALL int GLAD_EGL_KHR_platform_wayland;
+#define EGL_KHR_platform_x11 1
+GLAD_API_CALL int GLAD_EGL_KHR_platform_x11;
+
+
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLBINDAPIPROC)(EGLenum api);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLBINDTEXIMAGEPROC)(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLCHOOSECONFIGPROC)(EGLDisplay dpy, const EGLint * attrib_list, EGLConfig * configs, EGLint config_size, EGLint * num_config);
+typedef EGLint (GLAD_API_PTR *PFNEGLCLIENTWAITSYNCPROC)(EGLDisplay dpy, EGLSync sync, EGLint flags, EGLTime timeout);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLCOPYBUFFERSPROC)(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target);
+typedef EGLContext (GLAD_API_PTR *PFNEGLCREATECONTEXTPROC)(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint * attrib_list);
+typedef EGLImage (GLAD_API_PTR *PFNEGLCREATEIMAGEPROC)(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLAttrib * attrib_list);
+typedef EGLSurface (GLAD_API_PTR *PFNEGLCREATEPBUFFERFROMCLIENTBUFFERPROC)(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint * attrib_list);
+typedef EGLSurface (GLAD_API_PTR *PFNEGLCREATEPBUFFERSURFACEPROC)(EGLDisplay dpy, EGLConfig config, const EGLint * attrib_list);
+typedef EGLSurface (GLAD_API_PTR *PFNEGLCREATEPIXMAPSURFACEPROC)(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint * attrib_list);
+typedef EGLSurface (GLAD_API_PTR *PFNEGLCREATEPLATFORMPIXMAPSURFACEPROC)(EGLDisplay dpy, EGLConfig config, void * native_pixmap, const EGLAttrib * attrib_list);
+typedef EGLSurface (GLAD_API_PTR *PFNEGLCREATEPLATFORMWINDOWSURFACEPROC)(EGLDisplay dpy, EGLConfig config, void * native_window, const EGLAttrib * attrib_list);
+typedef EGLSync (GLAD_API_PTR *PFNEGLCREATESYNCPROC)(EGLDisplay dpy, EGLenum type, const EGLAttrib * attrib_list);
+typedef EGLSurface (GLAD_API_PTR *PFNEGLCREATEWINDOWSURFACEPROC)(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint * attrib_list);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLDESTROYCONTEXTPROC)(EGLDisplay dpy, EGLContext ctx);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLDESTROYIMAGEPROC)(EGLDisplay dpy, EGLImage image);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLDESTROYSURFACEPROC)(EGLDisplay dpy, EGLSurface surface);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLDESTROYSYNCPROC)(EGLDisplay dpy, EGLSync sync);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLGETCONFIGATTRIBPROC)(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint * value);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLGETCONFIGSPROC)(EGLDisplay dpy, EGLConfig * configs, EGLint config_size, EGLint * num_config);
+typedef EGLContext (GLAD_API_PTR *PFNEGLGETCURRENTCONTEXTPROC)(void);
+typedef EGLDisplay (GLAD_API_PTR *PFNEGLGETCURRENTDISPLAYPROC)(void);
+typedef EGLSurface (GLAD_API_PTR *PFNEGLGETCURRENTSURFACEPROC)(EGLint readdraw);
+typedef EGLDisplay (GLAD_API_PTR *PFNEGLGETDISPLAYPROC)(EGLNativeDisplayType display_id);
+typedef EGLint (GLAD_API_PTR *PFNEGLGETERRORPROC)(void);
+typedef EGLDisplay (GLAD_API_PTR *PFNEGLGETPLATFORMDISPLAYPROC)(EGLenum platform, void * native_display, const EGLAttrib * attrib_list);
+typedef __eglMustCastToProperFunctionPointerType (GLAD_API_PTR *PFNEGLGETPROCADDRESSPROC)(const char * procname);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLGETSYNCATTRIBPROC)(EGLDisplay dpy, EGLSync sync, EGLint attribute, EGLAttrib * value);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLINITIALIZEPROC)(EGLDisplay dpy, EGLint * major, EGLint * minor);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLMAKECURRENTPROC)(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
+typedef EGLenum (GLAD_API_PTR *PFNEGLQUERYAPIPROC)(void);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLQUERYCONTEXTPROC)(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint * value);
+typedef const char * (GLAD_API_PTR *PFNEGLQUERYSTRINGPROC)(EGLDisplay dpy, EGLint name);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLQUERYSURFACEPROC)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint * value);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLRELEASETEXIMAGEPROC)(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLRELEASETHREADPROC)(void);
+typedef void (GLAD_API_PTR *PFNEGLSETBLOBCACHEFUNCSANDROIDPROC)(EGLDisplay dpy, EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLSURFACEATTRIBPROC)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLSWAPBUFFERSPROC)(EGLDisplay dpy, EGLSurface surface);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLSWAPINTERVALPROC)(EGLDisplay dpy, EGLint interval);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLTERMINATEPROC)(EGLDisplay dpy);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLWAITCLIENTPROC)(void);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLWAITGLPROC)(void);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLWAITNATIVEPROC)(EGLint engine);
+typedef EGLBoolean (GLAD_API_PTR *PFNEGLWAITSYNCPROC)(EGLDisplay dpy, EGLSync sync, EGLint flags);
+
+GLAD_API_CALL PFNEGLBINDAPIPROC glad_eglBindAPI;
+#define eglBindAPI glad_eglBindAPI
+GLAD_API_CALL PFNEGLBINDTEXIMAGEPROC glad_eglBindTexImage;
+#define eglBindTexImage glad_eglBindTexImage
+GLAD_API_CALL PFNEGLCHOOSECONFIGPROC glad_eglChooseConfig;
+#define eglChooseConfig glad_eglChooseConfig
+GLAD_API_CALL PFNEGLCLIENTWAITSYNCPROC glad_eglClientWaitSync;
+#define eglClientWaitSync glad_eglClientWaitSync
+GLAD_API_CALL PFNEGLCOPYBUFFERSPROC glad_eglCopyBuffers;
+#define eglCopyBuffers glad_eglCopyBuffers
+GLAD_API_CALL PFNEGLCREATECONTEXTPROC glad_eglCreateContext;
+#define eglCreateContext glad_eglCreateContext
+GLAD_API_CALL PFNEGLCREATEIMAGEPROC glad_eglCreateImage;
+#define eglCreateImage glad_eglCreateImage
+GLAD_API_CALL PFNEGLCREATEPBUFFERFROMCLIENTBUFFERPROC glad_eglCreatePbufferFromClientBuffer;
+#define eglCreatePbufferFromClientBuffer glad_eglCreatePbufferFromClientBuffer
+GLAD_API_CALL PFNEGLCREATEPBUFFERSURFACEPROC glad_eglCreatePbufferSurface;
+#define eglCreatePbufferSurface glad_eglCreatePbufferSurface
+GLAD_API_CALL PFNEGLCREATEPIXMAPSURFACEPROC glad_eglCreatePixmapSurface;
+#define eglCreatePixmapSurface glad_eglCreatePixmapSurface
+GLAD_API_CALL PFNEGLCREATEPLATFORMPIXMAPSURFACEPROC glad_eglCreatePlatformPixmapSurface;
+#define eglCreatePlatformPixmapSurface glad_eglCreatePlatformPixmapSurface
+GLAD_API_CALL PFNEGLCREATEPLATFORMWINDOWSURFACEPROC glad_eglCreatePlatformWindowSurface;
+#define eglCreatePlatformWindowSurface glad_eglCreatePlatformWindowSurface
+GLAD_API_CALL PFNEGLCREATESYNCPROC glad_eglCreateSync;
+#define eglCreateSync glad_eglCreateSync
+GLAD_API_CALL PFNEGLCREATEWINDOWSURFACEPROC glad_eglCreateWindowSurface;
+#define eglCreateWindowSurface glad_eglCreateWindowSurface
+GLAD_API_CALL PFNEGLDESTROYCONTEXTPROC glad_eglDestroyContext;
+#define eglDestroyContext glad_eglDestroyContext
+GLAD_API_CALL PFNEGLDESTROYIMAGEPROC glad_eglDestroyImage;
+#define eglDestroyImage glad_eglDestroyImage
+GLAD_API_CALL PFNEGLDESTROYSURFACEPROC glad_eglDestroySurface;
+#define eglDestroySurface glad_eglDestroySurface
+GLAD_API_CALL PFNEGLDESTROYSYNCPROC glad_eglDestroySync;
+#define eglDestroySync glad_eglDestroySync
+GLAD_API_CALL PFNEGLGETCONFIGATTRIBPROC glad_eglGetConfigAttrib;
+#define eglGetConfigAttrib glad_eglGetConfigAttrib
+GLAD_API_CALL PFNEGLGETCONFIGSPROC glad_eglGetConfigs;
+#define eglGetConfigs glad_eglGetConfigs
+GLAD_API_CALL PFNEGLGETCURRENTCONTEXTPROC glad_eglGetCurrentContext;
+#define eglGetCurrentContext glad_eglGetCurrentContext
+GLAD_API_CALL PFNEGLGETCURRENTDISPLAYPROC glad_eglGetCurrentDisplay;
+#define eglGetCurrentDisplay glad_eglGetCurrentDisplay
+GLAD_API_CALL PFNEGLGETCURRENTSURFACEPROC glad_eglGetCurrentSurface;
+#define eglGetCurrentSurface glad_eglGetCurrentSurface
+GLAD_API_CALL PFNEGLGETDISPLAYPROC glad_eglGetDisplay;
+#define eglGetDisplay glad_eglGetDisplay
+GLAD_API_CALL PFNEGLGETERRORPROC glad_eglGetError;
+#define eglGetError glad_eglGetError
+GLAD_API_CALL PFNEGLGETPLATFORMDISPLAYPROC glad_eglGetPlatformDisplay;
+#define eglGetPlatformDisplay glad_eglGetPlatformDisplay
+GLAD_API_CALL PFNEGLGETPROCADDRESSPROC glad_eglGetProcAddress;
+#define eglGetProcAddress glad_eglGetProcAddress
+GLAD_API_CALL PFNEGLGETSYNCATTRIBPROC glad_eglGetSyncAttrib;
+#define eglGetSyncAttrib glad_eglGetSyncAttrib
+GLAD_API_CALL PFNEGLINITIALIZEPROC glad_eglInitialize;
+#define eglInitialize glad_eglInitialize
+GLAD_API_CALL PFNEGLMAKECURRENTPROC glad_eglMakeCurrent;
+#define eglMakeCurrent glad_eglMakeCurrent
+GLAD_API_CALL PFNEGLQUERYAPIPROC glad_eglQueryAPI;
+#define eglQueryAPI glad_eglQueryAPI
+GLAD_API_CALL PFNEGLQUERYCONTEXTPROC glad_eglQueryContext;
+#define eglQueryContext glad_eglQueryContext
+GLAD_API_CALL PFNEGLQUERYSTRINGPROC glad_eglQueryString;
+#define eglQueryString glad_eglQueryString
+GLAD_API_CALL PFNEGLQUERYSURFACEPROC glad_eglQuerySurface;
+#define eglQuerySurface glad_eglQuerySurface
+GLAD_API_CALL PFNEGLRELEASETEXIMAGEPROC glad_eglReleaseTexImage;
+#define eglReleaseTexImage glad_eglReleaseTexImage
+GLAD_API_CALL PFNEGLRELEASETHREADPROC glad_eglReleaseThread;
+#define eglReleaseThread glad_eglReleaseThread
+GLAD_API_CALL PFNEGLSETBLOBCACHEFUNCSANDROIDPROC glad_eglSetBlobCacheFuncsANDROID;
+#define eglSetBlobCacheFuncsANDROID glad_eglSetBlobCacheFuncsANDROID
+GLAD_API_CALL PFNEGLSURFACEATTRIBPROC glad_eglSurfaceAttrib;
+#define eglSurfaceAttrib glad_eglSurfaceAttrib
+GLAD_API_CALL PFNEGLSWAPBUFFERSPROC glad_eglSwapBuffers;
+#define eglSwapBuffers glad_eglSwapBuffers
+GLAD_API_CALL PFNEGLSWAPINTERVALPROC glad_eglSwapInterval;
+#define eglSwapInterval glad_eglSwapInterval
+GLAD_API_CALL PFNEGLTERMINATEPROC glad_eglTerminate;
+#define eglTerminate glad_eglTerminate
+GLAD_API_CALL PFNEGLWAITCLIENTPROC glad_eglWaitClient;
+#define eglWaitClient glad_eglWaitClient
+GLAD_API_CALL PFNEGLWAITGLPROC glad_eglWaitGL;
+#define eglWaitGL glad_eglWaitGL
+GLAD_API_CALL PFNEGLWAITNATIVEPROC glad_eglWaitNative;
+#define eglWaitNative glad_eglWaitNative
+GLAD_API_CALL PFNEGLWAITSYNCPROC glad_eglWaitSync;
+#define eglWaitSync glad_eglWaitSync
+
+
+
+
+
+GLAD_API_CALL int gladLoadEGLUserPtr(EGLDisplay display, GLADuserptrloadfunc load, void *userptr);
+GLAD_API_CALL int gladLoadEGL(EGLDisplay display, GLADloadfunc load);
+
+#ifdef GLAD_EGL
+
+GLAD_API_CALL int gladLoaderLoadEGL(EGLDisplay display);
+
+GLAD_API_CALL void gladLoaderUnloadEGL(void);
+
+#endif
+#ifdef __cplusplus
+}
+#endif
+#endif

thirdparty/glad/glad/gl.h

@@ -9,6 +9,7 @@
  *
  * APIs:
  *  - gl:compatibility=3.3
+ *  - gles2=3.2
  *
  * Options:
  *  - ALIAS = False
@@ -19,10 +20,10 @@
  *  - ON_DEMAND = False
  *
  * Commandline:
- *    --api='gl:compatibility=3.3' --extensions='GL_ARB_debug_output,GL_ARB_framebuffer_object,GL_ARB_get_program_binary,GL_EXT_framebuffer_blit,GL_EXT_framebuffer_multisample,GL_EXT_framebuffer_object,GL_OVR_multiview,GL_OVR_multiview2' c --loader
+ *    --merge --api='gl:compatibility=3.3,gles2=3.2' --extensions='GL_ARB_debug_output,GL_ARB_framebuffer_object,GL_ARB_get_program_binary,GL_EXT_framebuffer_blit,GL_EXT_framebuffer_multisample,GL_EXT_framebuffer_object,GL_OVR_multiview,GL_OVR_multiview2' c --loader
  *
  * Online:
- *    http://glad.sh/#api=gl%3Acompatibility%3D3.3&extensions=GL_ARB_debug_output%2CGL_ARB_framebuffer_object%2CGL_ARB_get_program_binary%2CGL_EXT_framebuffer_blit%2CGL_EXT_framebuffer_multisample%2CGL_EXT_framebuffer_object%2CGL_OVR_multiview%2CGL_OVR_multiview2&generator=c&options=LOADER
+ *    http://glad.sh/#api=gl%3Acompatibility%3D3.3%2Cgles2%3D3.2&extensions=GL_ARB_debug_output%2CGL_ARB_framebuffer_object%2CGL_ARB_get_program_binary%2CGL_EXT_framebuffer_blit%2CGL_EXT_framebuffer_multisample%2CGL_EXT_framebuffer_object%2CGL_OVR_multiview%2CGL_OVR_multiview2&generator=c&options=MERGE%2CLOADER
  *
  */
 
@@ -49,11 +50,24 @@
   #error OpenGL (gl3ext.h) header already included (API: gl), remove previous include!
 #endif
 #define __gl3ext_h_ 1
+#ifdef __gl2_h_
+  #error OpenGL ES 2 header already included (API: gles2), remove previous include!
+#endif
+#define __gl2_h_ 1
+#ifdef __gles2_gl2_h_
+  #error OpenGL ES 2 header already included (API: gles2), remove previous include!
+#endif
+#define __gles2_gl2_h_ 1
+#ifdef __gles2_gl3_h_
+  #error OpenGL ES 3 header already included (API: gles2), remove previous include!
+#endif
+#define __gles2_gl3_h_ 1
 #ifdef __clang__
 #pragma clang diagnostic pop
 #endif
 
 #define GLAD_GL
+#define GLAD_GLES2
 #define GLAD_OPTION_GL_LOADER
 
 #ifdef __cplusplus
@@ -1514,6 +1528,352 @@ typedef void (*GLADpostcallback)(void *ret, const char *name, GLADapiproc apipro
 #define GL_ZERO 0
 #define GL_ZOOM_X 0x0D16
 #define GL_ZOOM_Y 0x0D17
+#define GL_ACTIVE_ATOMIC_COUNTER_BUFFERS 0x92D9
+#define GL_ACTIVE_PROGRAM 0x8259
+#define GL_ACTIVE_RESOURCES 0x92F5
+#define GL_ACTIVE_VARIABLES 0x9305
+#define GL_ALL_BARRIER_BITS 0xFFFFFFFF
+#define GL_ALL_SHADER_BITS 0xFFFFFFFF
+#define GL_ANY_SAMPLES_PASSED_CONSERVATIVE 0x8D6A
+#define GL_ARRAY_SIZE 0x92FB
+#define GL_ARRAY_STRIDE 0x92FE
+#define GL_ATOMIC_COUNTER_BARRIER_BIT 0x00001000
+#define GL_ATOMIC_COUNTER_BUFFER 0x92C0
+#define GL_ATOMIC_COUNTER_BUFFER_BINDING 0x92C1
+#define GL_ATOMIC_COUNTER_BUFFER_INDEX 0x9301
+#define GL_ATOMIC_COUNTER_BUFFER_SIZE 0x92C3
+#define GL_ATOMIC_COUNTER_BUFFER_START 0x92C2
+#define GL_BLOCK_INDEX 0x92FD
+#define GL_BUFFER 0x82E0
+#define GL_BUFFER_BINDING 0x9302
+#define GL_BUFFER_DATA_SIZE 0x9303
+#define GL_BUFFER_UPDATE_BARRIER_BIT 0x00000200
+#define GL_BUFFER_VARIABLE 0x92E5
+#define GL_COLORBURN 0x929A
+#define GL_COLORDODGE 0x9299
+#define GL_COMMAND_BARRIER_BIT 0x00000040
+#define GL_COMPRESSED_R11_EAC 0x9270
+#define GL_COMPRESSED_RG11_EAC 0x9272
+#define GL_COMPRESSED_RGB8_ETC2 0x9274
+#define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
+#define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278
+#define GL_COMPRESSED_RGBA_ASTC_10x10 0x93BB
+#define GL_COMPRESSED_RGBA_ASTC_10x5 0x93B8
+#define GL_COMPRESSED_RGBA_ASTC_10x6 0x93B9
+#define GL_COMPRESSED_RGBA_ASTC_10x8 0x93BA
+#define GL_COMPRESSED_RGBA_ASTC_12x10 0x93BC
+#define GL_COMPRESSED_RGBA_ASTC_12x12 0x93BD
+#define GL_COMPRESSED_RGBA_ASTC_4x4 0x93B0
+#define GL_COMPRESSED_RGBA_ASTC_5x4 0x93B1
+#define GL_COMPRESSED_RGBA_ASTC_5x5 0x93B2
+#define GL_COMPRESSED_RGBA_ASTC_6x5 0x93B3
+#define GL_COMPRESSED_RGBA_ASTC_6x6 0x93B4
+#define GL_COMPRESSED_RGBA_ASTC_8x5 0x93B5
+#define GL_COMPRESSED_RGBA_ASTC_8x6 0x93B6
+#define GL_COMPRESSED_RGBA_ASTC_8x8 0x93B7
+#define GL_COMPRESSED_SIGNED_R11_EAC 0x9271
+#define GL_COMPRESSED_SIGNED_RG11_EAC 0x9273
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10 0x93DB
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5 0x93D8
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6 0x93D9
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8 0x93DA
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10 0x93DC
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12 0x93DD
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4 0x93D0
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4 0x93D1
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5 0x93D2
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5 0x93D3
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6 0x93D4
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5 0x93D5
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6 0x93D6
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8 0x93D7
+#define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
+#define GL_COMPRESSED_SRGB8_ETC2 0x9275
+#define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
+#define GL_COMPUTE_SHADER 0x91B9
+#define GL_COMPUTE_SHADER_BIT 0x00000020
+#define GL_COMPUTE_WORK_GROUP_SIZE 0x8267
+#define GL_CONTEXT_FLAG_DEBUG_BIT 0x00000002
+#define GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT 0x00000004
+#define GL_CONTEXT_LOST 0x0507
+#define GL_COPY_READ_BUFFER_BINDING 0x8F36
+#define GL_COPY_WRITE_BUFFER_BINDING 0x8F37
+#define GL_DARKEN 0x9297
+#define GL_DEBUG_CALLBACK_FUNCTION 0x8244
+#define GL_DEBUG_CALLBACK_USER_PARAM 0x8245
+#define GL_DEBUG_GROUP_STACK_DEPTH 0x826D
+#define GL_DEBUG_LOGGED_MESSAGES 0x9145
+#define GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH 0x8243
+#define GL_DEBUG_OUTPUT 0x92E0
+#define GL_DEBUG_OUTPUT_SYNCHRONOUS 0x8242
+#define GL_DEBUG_SEVERITY_HIGH 0x9146
+#define GL_DEBUG_SEVERITY_LOW 0x9148
+#define GL_DEBUG_SEVERITY_MEDIUM 0x9147
+#define GL_DEBUG_SEVERITY_NOTIFICATION 0x826B
+#define GL_DEBUG_SOURCE_API 0x8246
+#define GL_DEBUG_SOURCE_APPLICATION 0x824A
+#define GL_DEBUG_SOURCE_OTHER 0x824B
+#define GL_DEBUG_SOURCE_SHADER_COMPILER 0x8248
+#define GL_DEBUG_SOURCE_THIRD_PARTY 0x8249
+#define GL_DEBUG_SOURCE_WINDOW_SYSTEM 0x8247
+#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR 0x824D
+#define GL_DEBUG_TYPE_ERROR 0x824C
+#define GL_DEBUG_TYPE_MARKER 0x8268
+#define GL_DEBUG_TYPE_OTHER 0x8251
+#define GL_DEBUG_TYPE_PERFORMANCE 0x8250
+#define GL_DEBUG_TYPE_POP_GROUP 0x826A
+#define GL_DEBUG_TYPE_PORTABILITY 0x824F
+#define GL_DEBUG_TYPE_PUSH_GROUP 0x8269
+#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR 0x824E
+#define GL_DEPTH_STENCIL_TEXTURE_MODE 0x90EA
+#define GL_DIFFERENCE 0x929E
+#define GL_DISPATCH_INDIRECT_BUFFER 0x90EE
+#define GL_DISPATCH_INDIRECT_BUFFER_BINDING 0x90EF
+#define GL_DRAW_INDIRECT_BUFFER 0x8F3F
+#define GL_DRAW_INDIRECT_BUFFER_BINDING 0x8F43
+#define GL_ELEMENT_ARRAY_BARRIER_BIT 0x00000002
+#define GL_EXCLUSION 0x92A0
+#define GL_FIXED 0x140C
+#define GL_FRACTIONAL_EVEN 0x8E7C
+#define GL_FRACTIONAL_ODD 0x8E7B
+#define GL_FRAGMENT_INTERPOLATION_OFFSET_BITS 0x8E5D
+#define GL_FRAGMENT_SHADER_BIT 0x00000002
+#define GL_FRAMEBUFFER_BARRIER_BIT 0x00000400
+#define GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS 0x9314
+#define GL_FRAMEBUFFER_DEFAULT_HEIGHT 0x9311
+#define GL_FRAMEBUFFER_DEFAULT_LAYERS 0x9312
+#define GL_FRAMEBUFFER_DEFAULT_SAMPLES 0x9313
+#define GL_FRAMEBUFFER_DEFAULT_WIDTH 0x9310
+#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS 0x8CD9
+#define GL_GEOMETRY_SHADER_BIT 0x00000004
+#define GL_GEOMETRY_SHADER_INVOCATIONS 0x887F
+#define GL_GUILTY_CONTEXT_RESET 0x8253
+#define GL_HARDLIGHT 0x929B
+#define GL_HIGH_FLOAT 0x8DF2
+#define GL_HIGH_INT 0x8DF5
+#define GL_HSL_COLOR 0x92AF
+#define GL_HSL_HUE 0x92AD
+#define GL_HSL_LUMINOSITY 0x92B0
+#define GL_HSL_SATURATION 0x92AE
+#define GL_IMAGE_2D 0x904D
+#define GL_IMAGE_2D_ARRAY 0x9053
+#define GL_IMAGE_3D 0x904E
+#define GL_IMAGE_BINDING_ACCESS 0x8F3E
+#define GL_IMAGE_BINDING_FORMAT 0x906E
+#define GL_IMAGE_BINDING_LAYER 0x8F3D
+#define GL_IMAGE_BINDING_LAYERED 0x8F3C
+#define GL_IMAGE_BINDING_LEVEL 0x8F3B
+#define GL_IMAGE_BINDING_NAME 0x8F3A
+#define GL_IMAGE_BUFFER 0x9051
+#define GL_IMAGE_CUBE 0x9050
+#define GL_IMAGE_CUBE_MAP_ARRAY 0x9054
+#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_CLASS 0x90C9
+#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE 0x90C8
+#define GL_IMAGE_FORMAT_COMPATIBILITY_TYPE 0x90C7
+#define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
+#define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A
+#define GL_INNOCENT_CONTEXT_RESET 0x8254
+#define GL_INT_IMAGE_2D 0x9058
+#define GL_INT_IMAGE_2D_ARRAY 0x905E
+#define GL_INT_IMAGE_3D 0x9059
+#define GL_INT_IMAGE_BUFFER 0x905C
+#define GL_INT_IMAGE_CUBE 0x905B
+#define GL_INT_IMAGE_CUBE_MAP_ARRAY 0x905F
+#define GL_INT_SAMPLER_CUBE_MAP_ARRAY 0x900E
+#define GL_ISOLINES 0x8E7A
+#define GL_IS_PER_PATCH 0x92E7
+#define GL_IS_ROW_MAJOR 0x9300
+#define GL_LAYER_PROVOKING_VERTEX 0x825E
+#define GL_LIGHTEN 0x9298
+#define GL_LOCATION 0x930E
+#define GL_LOSE_CONTEXT_ON_RESET 0x8252
+#define GL_LOW_FLOAT 0x8DF0
+#define GL_LOW_INT 0x8DF3
+#define GL_MATRIX_STRIDE 0x92FF
+#define GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS 0x92DC
+#define GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE 0x92D8
+#define GL_MAX_COMBINED_ATOMIC_COUNTERS 0x92D7
+#define GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS 0x92D1
+#define GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS 0x8266
+#define GL_MAX_COMBINED_IMAGE_UNIFORMS 0x90CF
+#define GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS 0x8F39
+#define GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES 0x8F39
+#define GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS 0x90DC
+#define GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E1E
+#define GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E1F
+#define GL_MAX_COMPUTE_ATOMIC_COUNTERS 0x8265
+#define GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS 0x8264
+#define GL_MAX_COMPUTE_IMAGE_UNIFORMS 0x91BD
+#define GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS 0x90DB
+#define GL_MAX_COMPUTE_SHARED_MEMORY_SIZE 0x8262
+#define GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS 0x91BC
+#define GL_MAX_COMPUTE_UNIFORM_BLOCKS 0x91BB
+#define GL_MAX_COMPUTE_UNIFORM_COMPONENTS 0x8263
+#define GL_MAX_COMPUTE_WORK_GROUP_COUNT 0x91BE
+#define GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS 0x90EB
+#define GL_MAX_COMPUTE_WORK_GROUP_SIZE 0x91BF
+#define GL_MAX_DEBUG_GROUP_STACK_DEPTH 0x826C
+#define GL_MAX_DEBUG_LOGGED_MESSAGES 0x9144
+#define GL_MAX_DEBUG_MESSAGE_LENGTH 0x9143
+#define GL_MAX_ELEMENT_INDEX 0x8D6B
+#define GL_MAX_FRAGMENT_ATOMIC_COUNTERS 0x92D6
+#define GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS 0x92D0
+#define GL_MAX_FRAGMENT_IMAGE_UNIFORMS 0x90CE
+#define GL_MAX_FRAGMENT_INTERPOLATION_OFFSET 0x8E5C
+#define GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS 0x90DA
+#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
+#define GL_MAX_FRAMEBUFFER_HEIGHT 0x9316
+#define GL_MAX_FRAMEBUFFER_LAYERS 0x9317
+#define GL_MAX_FRAMEBUFFER_SAMPLES 0x9318
+#define GL_MAX_FRAMEBUFFER_WIDTH 0x9315
+#define GL_MAX_GEOMETRY_ATOMIC_COUNTERS 0x92D5
+#define GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS 0x92CF
+#define GL_MAX_GEOMETRY_IMAGE_UNIFORMS 0x90CD
+#define GL_MAX_GEOMETRY_SHADER_INVOCATIONS 0x8E5A
+#define GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS 0x90D7
+#define GL_MAX_IMAGE_UNITS 0x8F38
+#define GL_MAX_LABEL_LENGTH 0x82E8
+#define GL_MAX_NAME_LENGTH 0x92F6
+#define GL_MAX_NUM_ACTIVE_VARIABLES 0x92F7
+#define GL_MAX_PATCH_VERTICES 0x8E7D
+#define GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5F
+#define GL_MAX_SHADER_STORAGE_BLOCK_SIZE 0x90DE
+#define GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS 0x90DD
+#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS 0x92D3
+#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS 0x92CD
+#define GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS 0x90CB
+#define GL_MAX_TESS_CONTROL_INPUT_COMPONENTS 0x886C
+#define GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS 0x8E83
+#define GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS 0x90D8
+#define GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS 0x8E81
+#define GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS 0x8E85
+#define GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS 0x8E89
+#define GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E7F
+#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS 0x92D4
+#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS 0x92CE
+#define GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS 0x90CC
+#define GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS 0x886D
+#define GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS 0x8E86
+#define GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS 0x90D9
+#define GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS 0x8E82
+#define GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS 0x8E8A
+#define GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E80
+#define GL_MAX_TESS_GEN_LEVEL 0x8E7E
+#define GL_MAX_TESS_PATCH_COMPONENTS 0x8E84
+#define GL_MAX_UNIFORM_LOCATIONS 0x826E
+#define GL_MAX_VARYING_VECTORS 0x8DFC
+#define GL_MAX_VERTEX_ATOMIC_COUNTERS 0x92D2
+#define GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS 0x92CC
+#define GL_MAX_VERTEX_ATTRIB_BINDINGS 0x82DA
+#define GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D9
+#define GL_MAX_VERTEX_ATTRIB_STRIDE 0x82E5
+#define GL_MAX_VERTEX_IMAGE_UNIFORMS 0x90CA
+#define GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS 0x90D6
+#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
+#define GL_MEDIUM_FLOAT 0x8DF1
+#define GL_MEDIUM_INT 0x8DF4
+#define GL_MIN_FRAGMENT_INTERPOLATION_OFFSET 0x8E5B
+#define GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5E
+#define GL_MIN_SAMPLE_SHADING_VALUE 0x8C37
+#define GL_MULTIPLY 0x9294
+#define GL_MULTISAMPLE_LINE_WIDTH_GRANULARITY 0x9382
+#define GL_MULTISAMPLE_LINE_WIDTH_RANGE 0x9381
+#define GL_NAME_LENGTH 0x92F9
+#define GL_NO_RESET_NOTIFICATION 0x8261
+#define GL_NUM_ACTIVE_VARIABLES 0x9304
+#define GL_NUM_SAMPLE_COUNTS 0x9380
+#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
+#define GL_OFFSET 0x92FC
+#define GL_OVERLAY 0x9296
+#define GL_PATCHES 0x000E
+#define GL_PATCH_VERTICES 0x8E72
+#define GL_PIXEL_BUFFER_BARRIER_BIT 0x00000080
+#define GL_PRIMITIVE_BOUNDING_BOX 0x92BE
+#define GL_PRIMITIVE_RESTART_FIXED_INDEX 0x8D69
+#define GL_PRIMITIVE_RESTART_FOR_PATCHES_SUPPORTED 0x8221
+#define GL_PROGRAM 0x82E2
+#define GL_PROGRAM_INPUT 0x92E3
+#define GL_PROGRAM_OUTPUT 0x92E4
+#define GL_PROGRAM_PIPELINE 0x82E4
+#define GL_PROGRAM_PIPELINE_BINDING 0x825A
+#define GL_PROGRAM_SEPARABLE 0x8258
+#define GL_QUERY 0x82E3
+#define GL_REFERENCED_BY_COMPUTE_SHADER 0x930B
+#define GL_REFERENCED_BY_FRAGMENT_SHADER 0x930A
+#define GL_REFERENCED_BY_GEOMETRY_SHADER 0x9309
+#define GL_REFERENCED_BY_TESS_CONTROL_SHADER 0x9307
+#define GL_REFERENCED_BY_TESS_EVALUATION_SHADER 0x9308
+#define GL_REFERENCED_BY_VERTEX_SHADER 0x9306
+#define GL_RESET_NOTIFICATION_STRATEGY 0x8256
+#define GL_RGB565 0x8D62
+#define GL_SAMPLER 0x82E6
+#define GL_SAMPLER_CUBE_MAP_ARRAY 0x900C
+#define GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW 0x900D
+#define GL_SAMPLE_SHADING 0x8C36
+#define GL_SCREEN 0x9295
+#define GL_SHADER 0x82E1
+#define GL_SHADER_BINARY_FORMATS 0x8DF8
+#define GL_SHADER_COMPILER 0x8DFA
+#define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020
+#define GL_SHADER_STORAGE_BARRIER_BIT 0x00002000
+#define GL_SHADER_STORAGE_BLOCK 0x92E6
+#define GL_SHADER_STORAGE_BUFFER 0x90D2
+#define GL_SHADER_STORAGE_BUFFER_BINDING 0x90D3
+#define GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT 0x90DF
+#define GL_SHADER_STORAGE_BUFFER_SIZE 0x90D5
+#define GL_SHADER_STORAGE_BUFFER_START 0x90D4
+#define GL_SOFTLIGHT 0x929C
+#define GL_TESS_CONTROL_OUTPUT_VERTICES 0x8E75
+#define GL_TESS_CONTROL_SHADER 0x8E88
+#define GL_TESS_CONTROL_SHADER_BIT 0x00000008
+#define GL_TESS_EVALUATION_SHADER 0x8E87
+#define GL_TESS_EVALUATION_SHADER_BIT 0x00000010
+#define GL_TESS_GEN_MODE 0x8E76
+#define GL_TESS_GEN_POINT_MODE 0x8E79
+#define GL_TESS_GEN_SPACING 0x8E77
+#define GL_TESS_GEN_VERTEX_ORDER 0x8E78
+#define GL_TEXTURE_BINDING_CUBE_MAP_ARRAY 0x900A
+#define GL_TEXTURE_BUFFER_BINDING 0x8C2A
+#define GL_TEXTURE_BUFFER_OFFSET 0x919D
+#define GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT 0x919F
+#define GL_TEXTURE_BUFFER_SIZE 0x919E
+#define GL_TEXTURE_CUBE_MAP_ARRAY 0x9009
+#define GL_TEXTURE_FETCH_BARRIER_BIT 0x00000008
+#define GL_TEXTURE_IMMUTABLE_FORMAT 0x912F
+#define GL_TEXTURE_IMMUTABLE_LEVELS 0x82DF
+#define GL_TEXTURE_UPDATE_BARRIER_BIT 0x00000100
+#define GL_TOP_LEVEL_ARRAY_SIZE 0x930C
+#define GL_TOP_LEVEL_ARRAY_STRIDE 0x930D
+#define GL_TRANSFORM_FEEDBACK 0x8E22
+#define GL_TRANSFORM_FEEDBACK_ACTIVE 0x8E24
+#define GL_TRANSFORM_FEEDBACK_BARRIER_BIT 0x00000800
+#define GL_TRANSFORM_FEEDBACK_BINDING 0x8E25
+#define GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE 0x8E24
+#define GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED 0x8E23
+#define GL_TRANSFORM_FEEDBACK_PAUSED 0x8E23
+#define GL_TRANSFORM_FEEDBACK_VARYING 0x92F4
+#define GL_TYPE 0x92FA
+#define GL_UNDEFINED_VERTEX 0x8260
+#define GL_UNIFORM 0x92E1
+#define GL_UNIFORM_BARRIER_BIT 0x00000004
+#define GL_UNIFORM_BLOCK 0x92E2
+#define GL_UNKNOWN_CONTEXT_RESET 0x8255
+#define GL_UNSIGNED_INT_ATOMIC_COUNTER 0x92DB
+#define GL_UNSIGNED_INT_IMAGE_2D 0x9063
+#define GL_UNSIGNED_INT_IMAGE_2D_ARRAY 0x9069
+#define GL_UNSIGNED_INT_IMAGE_3D 0x9064
+#define GL_UNSIGNED_INT_IMAGE_BUFFER 0x9067
+#define GL_UNSIGNED_INT_IMAGE_CUBE 0x9066
+#define GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY 0x906A
+#define GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY 0x900F
+#define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001
+#define GL_VERTEX_ATTRIB_BINDING 0x82D4
+#define GL_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D5
+#define GL_VERTEX_BINDING_BUFFER 0x8F4F
+#define GL_VERTEX_BINDING_DIVISOR 0x82D6
+#define GL_VERTEX_BINDING_OFFSET 0x82D7
+#define GL_VERTEX_BINDING_STRIDE 0x82D8
+#define GL_VERTEX_SHADER_BIT 0x00000001
 
 
 #include <KHR/khrplatform.h>
@@ -1605,6 +1965,14 @@ GLAD_API_CALL int GLAD_GL_VERSION_3_1;
 GLAD_API_CALL int GLAD_GL_VERSION_3_2;
 #define GL_VERSION_3_3 1
 GLAD_API_CALL int GLAD_GL_VERSION_3_3;
+#define GL_ES_VERSION_2_0 1
+GLAD_API_CALL int GLAD_GL_ES_VERSION_2_0;
+#define GL_ES_VERSION_3_0 1
+GLAD_API_CALL int GLAD_GL_ES_VERSION_3_0;
+#define GL_ES_VERSION_3_1 1
+GLAD_API_CALL int GLAD_GL_ES_VERSION_3_1;
+#define GL_ES_VERSION_3_2 1
+GLAD_API_CALL int GLAD_GL_ES_VERSION_3_2;
 #define GL_ARB_debug_output 1
 GLAD_API_CALL int GLAD_GL_ARB_debug_output;
 #define GL_ARB_framebuffer_object 1
@@ -2374,6 +2742,111 @@ typedef void (GLAD_API_PTR *PFNGLWINDOWPOS3IPROC)(GLint x, GLint y, GLint z);
 typedef void (GLAD_API_PTR *PFNGLWINDOWPOS3IVPROC)(const GLint * v);
 typedef void (GLAD_API_PTR *PFNGLWINDOWPOS3SPROC)(GLshort x, GLshort y, GLshort z);
 typedef void (GLAD_API_PTR *PFNGLWINDOWPOS3SVPROC)(const GLshort * v);
+typedef void (GLAD_API_PTR *PFNGLACTIVESHADERPROGRAMPROC)(GLuint pipeline, GLuint program);
+typedef void (GLAD_API_PTR *PFNGLBINDIMAGETEXTUREPROC)(GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format);
+typedef void (GLAD_API_PTR *PFNGLBINDPROGRAMPIPELINEPROC)(GLuint pipeline);
+typedef void (GLAD_API_PTR *PFNGLBINDTRANSFORMFEEDBACKPROC)(GLenum target, GLuint id);
+typedef void (GLAD_API_PTR *PFNGLBINDVERTEXBUFFERPROC)(GLuint bindingindex, GLuint buffer, GLintptr offset, GLsizei stride);
+typedef void (GLAD_API_PTR *PFNGLBLENDBARRIERPROC)(void);
+typedef void (GLAD_API_PTR *PFNGLBLENDEQUATIONSEPARATEIPROC)(GLuint buf, GLenum modeRGB, GLenum modeAlpha);
+typedef void (GLAD_API_PTR *PFNGLBLENDEQUATIONIPROC)(GLuint buf, GLenum mode);
+typedef void (GLAD_API_PTR *PFNGLBLENDFUNCSEPARATEIPROC)(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha);
+typedef void (GLAD_API_PTR *PFNGLBLENDFUNCIPROC)(GLuint buf, GLenum src, GLenum dst);
+typedef void (GLAD_API_PTR *PFNGLCLEARDEPTHFPROC)(GLfloat d);
+typedef void (GLAD_API_PTR *PFNGLCOPYIMAGESUBDATAPROC)(GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth);
+typedef GLuint (GLAD_API_PTR *PFNGLCREATESHADERPROGRAMVPROC)(GLenum type, GLsizei count, const GLchar *const* strings);
+typedef void (GLAD_API_PTR *PFNGLDEBUGMESSAGECALLBACKPROC)(GLDEBUGPROC callback, const void * userParam);
+typedef void (GLAD_API_PTR *PFNGLDEBUGMESSAGECONTROLPROC)(GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint * ids, GLboolean enabled);
+typedef void (GLAD_API_PTR *PFNGLDEBUGMESSAGEINSERTPROC)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar * buf);
+typedef void (GLAD_API_PTR *PFNGLDELETEPROGRAMPIPELINESPROC)(GLsizei n, const GLuint * pipelines);
+typedef void (GLAD_API_PTR *PFNGLDELETETRANSFORMFEEDBACKSPROC)(GLsizei n, const GLuint * ids);
+typedef void (GLAD_API_PTR *PFNGLDEPTHRANGEFPROC)(GLfloat n, GLfloat f);
+typedef void (GLAD_API_PTR *PFNGLDISPATCHCOMPUTEPROC)(GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z);
+typedef void (GLAD_API_PTR *PFNGLDISPATCHCOMPUTEINDIRECTPROC)(GLintptr indirect);
+typedef void (GLAD_API_PTR *PFNGLDRAWARRAYSINDIRECTPROC)(GLenum mode, const void * indirect);
+typedef void (GLAD_API_PTR *PFNGLDRAWELEMENTSINDIRECTPROC)(GLenum mode, GLenum type, const void * indirect);
+typedef void (GLAD_API_PTR *PFNGLFRAMEBUFFERPARAMETERIPROC)(GLenum target, GLenum pname, GLint param);
+typedef void (GLAD_API_PTR *PFNGLGENPROGRAMPIPELINESPROC)(GLsizei n, GLuint * pipelines);
+typedef void (GLAD_API_PTR *PFNGLGENTRANSFORMFEEDBACKSPROC)(GLsizei n, GLuint * ids);
+typedef GLuint (GLAD_API_PTR *PFNGLGETDEBUGMESSAGELOGPROC)(GLuint count, GLsizei bufSize, GLenum * sources, GLenum * types, GLuint * ids, GLenum * severities, GLsizei * lengths, GLchar * messageLog);
+typedef void (GLAD_API_PTR *PFNGLGETFRAMEBUFFERPARAMETERIVPROC)(GLenum target, GLenum pname, GLint * params);
+typedef GLenum (GLAD_API_PTR *PFNGLGETGRAPHICSRESETSTATUSPROC)(void);
+typedef void (GLAD_API_PTR *PFNGLGETINTERNALFORMATIVPROC)(GLenum target, GLenum internalformat, GLenum pname, GLsizei count, GLint * params);
+typedef void (GLAD_API_PTR *PFNGLGETOBJECTLABELPROC)(GLenum identifier, GLuint name, GLsizei bufSize, GLsizei * length, GLchar * label);
+typedef void (GLAD_API_PTR *PFNGLGETOBJECTPTRLABELPROC)(const void * ptr, GLsizei bufSize, GLsizei * length, GLchar * label);
+typedef void (GLAD_API_PTR *PFNGLGETPROGRAMINTERFACEIVPROC)(GLuint program, GLenum programInterface, GLenum pname, GLint * params);
+typedef void (GLAD_API_PTR *PFNGLGETPROGRAMPIPELINEINFOLOGPROC)(GLuint pipeline, GLsizei bufSize, GLsizei * length, GLchar * infoLog);
+typedef void (GLAD_API_PTR *PFNGLGETPROGRAMPIPELINEIVPROC)(GLuint pipeline, GLenum pname, GLint * params);
+typedef GLuint (GLAD_API_PTR *PFNGLGETPROGRAMRESOURCEINDEXPROC)(GLuint program, GLenum programInterface, const GLchar * name);
+typedef GLint (GLAD_API_PTR *PFNGLGETPROGRAMRESOURCELOCATIONPROC)(GLuint program, GLenum programInterface, const GLchar * name);
+typedef void (GLAD_API_PTR *PFNGLGETPROGRAMRESOURCENAMEPROC)(GLuint program, GLenum programInterface, GLuint index, GLsizei bufSize, GLsizei * length, GLchar * name);
+typedef void (GLAD_API_PTR *PFNGLGETPROGRAMRESOURCEIVPROC)(GLuint program, GLenum programInterface, GLuint index, GLsizei propCount, const GLenum * props, GLsizei count, GLsizei * length, GLint * params);
+typedef void (GLAD_API_PTR *PFNGLGETSHADERPRECISIONFORMATPROC)(GLenum shadertype, GLenum precisiontype, GLint * range, GLint * precision);
+typedef void (GLAD_API_PTR *PFNGLGETNUNIFORMFVPROC)(GLuint program, GLint location, GLsizei bufSize, GLfloat * params);
+typedef void (GLAD_API_PTR *PFNGLGETNUNIFORMIVPROC)(GLuint program, GLint location, GLsizei bufSize, GLint * params);
+typedef void (GLAD_API_PTR *PFNGLGETNUNIFORMUIVPROC)(GLuint program, GLint location, GLsizei bufSize, GLuint * params);
+typedef void (GLAD_API_PTR *PFNGLINVALIDATEFRAMEBUFFERPROC)(GLenum target, GLsizei numAttachments, const GLenum * attachments);
+typedef void (GLAD_API_PTR *PFNGLINVALIDATESUBFRAMEBUFFERPROC)(GLenum target, GLsizei numAttachments, const GLenum * attachments, GLint x, GLint y, GLsizei width, GLsizei height);
+typedef GLboolean (GLAD_API_PTR *PFNGLISPROGRAMPIPELINEPROC)(GLuint pipeline);
+typedef GLboolean (GLAD_API_PTR *PFNGLISTRANSFORMFEEDBACKPROC)(GLuint id);
+typedef void (GLAD_API_PTR *PFNGLMEMORYBARRIERPROC)(GLbitfield barriers);
+typedef void (GLAD_API_PTR *PFNGLMEMORYBARRIERBYREGIONPROC)(GLbitfield barriers);
+typedef void (GLAD_API_PTR *PFNGLMINSAMPLESHADINGPROC)(GLfloat value);
+typedef void (GLAD_API_PTR *PFNGLOBJECTLABELPROC)(GLenum identifier, GLuint name, GLsizei length, const GLchar * label);
+typedef void (GLAD_API_PTR *PFNGLOBJECTPTRLABELPROC)(const void * ptr, GLsizei length, const GLchar * label);
+typedef void (GLAD_API_PTR *PFNGLPATCHPARAMETERIPROC)(GLenum pname, GLint value);
+typedef void (GLAD_API_PTR *PFNGLPAUSETRANSFORMFEEDBACKPROC)(void);
+typedef void (GLAD_API_PTR *PFNGLPOPDEBUGGROUPPROC)(void);
+typedef void (GLAD_API_PTR *PFNGLPRIMITIVEBOUNDINGBOXPROC)(GLfloat minX, GLfloat minY, GLfloat minZ, GLfloat minW, GLfloat maxX, GLfloat maxY, GLfloat maxZ, GLfloat maxW);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM1FPROC)(GLuint program, GLint location, GLfloat v0);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM1FVPROC)(GLuint program, GLint location, GLsizei count, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM1IPROC)(GLuint program, GLint location, GLint v0);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM1IVPROC)(GLuint program, GLint location, GLsizei count, const GLint * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM1UIPROC)(GLuint program, GLint location, GLuint v0);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM1UIVPROC)(GLuint program, GLint location, GLsizei count, const GLuint * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM2FPROC)(GLuint program, GLint location, GLfloat v0, GLfloat v1);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM2FVPROC)(GLuint program, GLint location, GLsizei count, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM2IPROC)(GLuint program, GLint location, GLint v0, GLint v1);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM2IVPROC)(GLuint program, GLint location, GLsizei count, const GLint * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM2UIPROC)(GLuint program, GLint location, GLuint v0, GLuint v1);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM2UIVPROC)(GLuint program, GLint location, GLsizei count, const GLuint * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM3FPROC)(GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM3FVPROC)(GLuint program, GLint location, GLsizei count, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM3IPROC)(GLuint program, GLint location, GLint v0, GLint v1, GLint v2);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM3IVPROC)(GLuint program, GLint location, GLsizei count, const GLint * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM3UIPROC)(GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM3UIVPROC)(GLuint program, GLint location, GLsizei count, const GLuint * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM4FPROC)(GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM4FVPROC)(GLuint program, GLint location, GLsizei count, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM4IPROC)(GLuint program, GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM4IVPROC)(GLuint program, GLint location, GLsizei count, const GLint * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM4UIPROC)(GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORM4UIVPROC)(GLuint program, GLint location, GLsizei count, const GLuint * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORMMATRIX2FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORMMATRIX3FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORMMATRIX4FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
+typedef void (GLAD_API_PTR *PFNGLPUSHDEBUGGROUPPROC)(GLenum source, GLuint id, GLsizei length, const GLchar * message);
+typedef void (GLAD_API_PTR *PFNGLREADNPIXELSPROC)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei bufSize, void * data);
+typedef void (GLAD_API_PTR *PFNGLRELEASESHADERCOMPILERPROC)(void);
+typedef void (GLAD_API_PTR *PFNGLRESUMETRANSFORMFEEDBACKPROC)(void);
+typedef void (GLAD_API_PTR *PFNGLSHADERBINARYPROC)(GLsizei count, const GLuint * shaders, GLenum binaryFormat, const void * binary, GLsizei length);
+typedef void (GLAD_API_PTR *PFNGLTEXBUFFERRANGEPROC)(GLenum target, GLenum internalformat, GLuint buffer, GLintptr offset, GLsizeiptr size);
+typedef void (GLAD_API_PTR *PFNGLTEXSTORAGE2DPROC)(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (GLAD_API_PTR *PFNGLTEXSTORAGE2DMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations);
+typedef void (GLAD_API_PTR *PFNGLTEXSTORAGE3DPROC)(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
+typedef void (GLAD_API_PTR *PFNGLTEXSTORAGE3DMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations);
+typedef void (GLAD_API_PTR *PFNGLUSEPROGRAMSTAGESPROC)(GLuint pipeline, GLbitfield stages, GLuint program);
+typedef void (GLAD_API_PTR *PFNGLVALIDATEPROGRAMPIPELINEPROC)(GLuint pipeline);
+typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBBINDINGPROC)(GLuint attribindex, GLuint bindingindex);
+typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBFORMATPROC)(GLuint attribindex, GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset);
+typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBIFORMATPROC)(GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset);
+typedef void (GLAD_API_PTR *PFNGLVERTEXBINDINGDIVISORPROC)(GLuint bindingindex, GLuint divisor);
 
 GLAD_API_CALL PFNGLACCUMPROC glad_glAccum;
 #define glAccum glad_glAccum
@@ -3877,6 +4350,216 @@ GLAD_API_CALL PFNGLWINDOWPOS3SPROC glad_glWindowPos3s;
 #define glWindowPos3s glad_glWindowPos3s
 GLAD_API_CALL PFNGLWINDOWPOS3SVPROC glad_glWindowPos3sv;
 #define glWindowPos3sv glad_glWindowPos3sv
+GLAD_API_CALL PFNGLACTIVESHADERPROGRAMPROC glad_glActiveShaderProgram;
+#define glActiveShaderProgram glad_glActiveShaderProgram
+GLAD_API_CALL PFNGLBINDIMAGETEXTUREPROC glad_glBindImageTexture;
+#define glBindImageTexture glad_glBindImageTexture
+GLAD_API_CALL PFNGLBINDPROGRAMPIPELINEPROC glad_glBindProgramPipeline;
+#define glBindProgramPipeline glad_glBindProgramPipeline
+GLAD_API_CALL PFNGLBINDTRANSFORMFEEDBACKPROC glad_glBindTransformFeedback;
+#define glBindTransformFeedback glad_glBindTransformFeedback
+GLAD_API_CALL PFNGLBINDVERTEXBUFFERPROC glad_glBindVertexBuffer;
+#define glBindVertexBuffer glad_glBindVertexBuffer
+GLAD_API_CALL PFNGLBLENDBARRIERPROC glad_glBlendBarrier;
+#define glBlendBarrier glad_glBlendBarrier
+GLAD_API_CALL PFNGLBLENDEQUATIONSEPARATEIPROC glad_glBlendEquationSeparatei;
+#define glBlendEquationSeparatei glad_glBlendEquationSeparatei
+GLAD_API_CALL PFNGLBLENDEQUATIONIPROC glad_glBlendEquationi;
+#define glBlendEquationi glad_glBlendEquationi
+GLAD_API_CALL PFNGLBLENDFUNCSEPARATEIPROC glad_glBlendFuncSeparatei;
+#define glBlendFuncSeparatei glad_glBlendFuncSeparatei
+GLAD_API_CALL PFNGLBLENDFUNCIPROC glad_glBlendFunci;
+#define glBlendFunci glad_glBlendFunci
+GLAD_API_CALL PFNGLCLEARDEPTHFPROC glad_glClearDepthf;
+#define glClearDepthf glad_glClearDepthf
+GLAD_API_CALL PFNGLCOPYIMAGESUBDATAPROC glad_glCopyImageSubData;
+#define glCopyImageSubData glad_glCopyImageSubData
+GLAD_API_CALL PFNGLCREATESHADERPROGRAMVPROC glad_glCreateShaderProgramv;
+#define glCreateShaderProgramv glad_glCreateShaderProgramv
+GLAD_API_CALL PFNGLDEBUGMESSAGECALLBACKPROC glad_glDebugMessageCallback;
+#define glDebugMessageCallback glad_glDebugMessageCallback
+GLAD_API_CALL PFNGLDEBUGMESSAGECONTROLPROC glad_glDebugMessageControl;
+#define glDebugMessageControl glad_glDebugMessageControl
+GLAD_API_CALL PFNGLDEBUGMESSAGEINSERTPROC glad_glDebugMessageInsert;
+#define glDebugMessageInsert glad_glDebugMessageInsert
+GLAD_API_CALL PFNGLDELETEPROGRAMPIPELINESPROC glad_glDeleteProgramPipelines;
+#define glDeleteProgramPipelines glad_glDeleteProgramPipelines
+GLAD_API_CALL PFNGLDELETETRANSFORMFEEDBACKSPROC glad_glDeleteTransformFeedbacks;
+#define glDeleteTransformFeedbacks glad_glDeleteTransformFeedbacks
+GLAD_API_CALL PFNGLDEPTHRANGEFPROC glad_glDepthRangef;
+#define glDepthRangef glad_glDepthRangef
+GLAD_API_CALL PFNGLDISPATCHCOMPUTEPROC glad_glDispatchCompute;
+#define glDispatchCompute glad_glDispatchCompute
+GLAD_API_CALL PFNGLDISPATCHCOMPUTEINDIRECTPROC glad_glDispatchComputeIndirect;
+#define glDispatchComputeIndirect glad_glDispatchComputeIndirect
+GLAD_API_CALL PFNGLDRAWARRAYSINDIRECTPROC glad_glDrawArraysIndirect;
+#define glDrawArraysIndirect glad_glDrawArraysIndirect
+GLAD_API_CALL PFNGLDRAWELEMENTSINDIRECTPROC glad_glDrawElementsIndirect;
+#define glDrawElementsIndirect glad_glDrawElementsIndirect
+GLAD_API_CALL PFNGLFRAMEBUFFERPARAMETERIPROC glad_glFramebufferParameteri;
+#define glFramebufferParameteri glad_glFramebufferParameteri
+GLAD_API_CALL PFNGLGENPROGRAMPIPELINESPROC glad_glGenProgramPipelines;
+#define glGenProgramPipelines glad_glGenProgramPipelines
+GLAD_API_CALL PFNGLGENTRANSFORMFEEDBACKSPROC glad_glGenTransformFeedbacks;
+#define glGenTransformFeedbacks glad_glGenTransformFeedbacks
+GLAD_API_CALL PFNGLGETDEBUGMESSAGELOGPROC glad_glGetDebugMessageLog;
+#define glGetDebugMessageLog glad_glGetDebugMessageLog
+GLAD_API_CALL PFNGLGETFRAMEBUFFERPARAMETERIVPROC glad_glGetFramebufferParameteriv;
+#define glGetFramebufferParameteriv glad_glGetFramebufferParameteriv
+GLAD_API_CALL PFNGLGETGRAPHICSRESETSTATUSPROC glad_glGetGraphicsResetStatus;
+#define glGetGraphicsResetStatus glad_glGetGraphicsResetStatus
+GLAD_API_CALL PFNGLGETINTERNALFORMATIVPROC glad_glGetInternalformativ;
+#define glGetInternalformativ glad_glGetInternalformativ
+GLAD_API_CALL PFNGLGETOBJECTLABELPROC glad_glGetObjectLabel;
+#define glGetObjectLabel glad_glGetObjectLabel
+GLAD_API_CALL PFNGLGETOBJECTPTRLABELPROC glad_glGetObjectPtrLabel;
+#define glGetObjectPtrLabel glad_glGetObjectPtrLabel
+GLAD_API_CALL PFNGLGETPROGRAMINTERFACEIVPROC glad_glGetProgramInterfaceiv;
+#define glGetProgramInterfaceiv glad_glGetProgramInterfaceiv
+GLAD_API_CALL PFNGLGETPROGRAMPIPELINEINFOLOGPROC glad_glGetProgramPipelineInfoLog;
+#define glGetProgramPipelineInfoLog glad_glGetProgramPipelineInfoLog
+GLAD_API_CALL PFNGLGETPROGRAMPIPELINEIVPROC glad_glGetProgramPipelineiv;
+#define glGetProgramPipelineiv glad_glGetProgramPipelineiv
+GLAD_API_CALL PFNGLGETPROGRAMRESOURCEINDEXPROC glad_glGetProgramResourceIndex;
+#define glGetProgramResourceIndex glad_glGetProgramResourceIndex
+GLAD_API_CALL PFNGLGETPROGRAMRESOURCELOCATIONPROC glad_glGetProgramResourceLocation;
+#define glGetProgramResourceLocation glad_glGetProgramResourceLocation
+GLAD_API_CALL PFNGLGETPROGRAMRESOURCENAMEPROC glad_glGetProgramResourceName;
+#define glGetProgramResourceName glad_glGetProgramResourceName
+GLAD_API_CALL PFNGLGETPROGRAMRESOURCEIVPROC glad_glGetProgramResourceiv;
+#define glGetProgramResourceiv glad_glGetProgramResourceiv
+GLAD_API_CALL PFNGLGETSHADERPRECISIONFORMATPROC glad_glGetShaderPrecisionFormat;
+#define glGetShaderPrecisionFormat glad_glGetShaderPrecisionFormat
+GLAD_API_CALL PFNGLGETNUNIFORMFVPROC glad_glGetnUniformfv;
+#define glGetnUniformfv glad_glGetnUniformfv
+GLAD_API_CALL PFNGLGETNUNIFORMIVPROC glad_glGetnUniformiv;
+#define glGetnUniformiv glad_glGetnUniformiv
+GLAD_API_CALL PFNGLGETNUNIFORMUIVPROC glad_glGetnUniformuiv;
+#define glGetnUniformuiv glad_glGetnUniformuiv
+GLAD_API_CALL PFNGLINVALIDATEFRAMEBUFFERPROC glad_glInvalidateFramebuffer;
+#define glInvalidateFramebuffer glad_glInvalidateFramebuffer
+GLAD_API_CALL PFNGLINVALIDATESUBFRAMEBUFFERPROC glad_glInvalidateSubFramebuffer;
+#define glInvalidateSubFramebuffer glad_glInvalidateSubFramebuffer
+GLAD_API_CALL PFNGLISPROGRAMPIPELINEPROC glad_glIsProgramPipeline;
+#define glIsProgramPipeline glad_glIsProgramPipeline
+GLAD_API_CALL PFNGLISTRANSFORMFEEDBACKPROC glad_glIsTransformFeedback;
+#define glIsTransformFeedback glad_glIsTransformFeedback
+GLAD_API_CALL PFNGLMEMORYBARRIERPROC glad_glMemoryBarrier;
+#define glMemoryBarrier glad_glMemoryBarrier
+GLAD_API_CALL PFNGLMEMORYBARRIERBYREGIONPROC glad_glMemoryBarrierByRegion;
+#define glMemoryBarrierByRegion glad_glMemoryBarrierByRegion
+GLAD_API_CALL PFNGLMINSAMPLESHADINGPROC glad_glMinSampleShading;
+#define glMinSampleShading glad_glMinSampleShading
+GLAD_API_CALL PFNGLOBJECTLABELPROC glad_glObjectLabel;
+#define glObjectLabel glad_glObjectLabel
+GLAD_API_CALL PFNGLOBJECTPTRLABELPROC glad_glObjectPtrLabel;
+#define glObjectPtrLabel glad_glObjectPtrLabel
+GLAD_API_CALL PFNGLPATCHPARAMETERIPROC glad_glPatchParameteri;
+#define glPatchParameteri glad_glPatchParameteri
+GLAD_API_CALL PFNGLPAUSETRANSFORMFEEDBACKPROC glad_glPauseTransformFeedback;
+#define glPauseTransformFeedback glad_glPauseTransformFeedback
+GLAD_API_CALL PFNGLPOPDEBUGGROUPPROC glad_glPopDebugGroup;
+#define glPopDebugGroup glad_glPopDebugGroup
+GLAD_API_CALL PFNGLPRIMITIVEBOUNDINGBOXPROC glad_glPrimitiveBoundingBox;
+#define glPrimitiveBoundingBox glad_glPrimitiveBoundingBox
+GLAD_API_CALL PFNGLPROGRAMUNIFORM1FPROC glad_glProgramUniform1f;
+#define glProgramUniform1f glad_glProgramUniform1f
+GLAD_API_CALL PFNGLPROGRAMUNIFORM1FVPROC glad_glProgramUniform1fv;
+#define glProgramUniform1fv glad_glProgramUniform1fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM1IPROC glad_glProgramUniform1i;
+#define glProgramUniform1i glad_glProgramUniform1i
+GLAD_API_CALL PFNGLPROGRAMUNIFORM1IVPROC glad_glProgramUniform1iv;
+#define glProgramUniform1iv glad_glProgramUniform1iv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM1UIPROC glad_glProgramUniform1ui;
+#define glProgramUniform1ui glad_glProgramUniform1ui
+GLAD_API_CALL PFNGLPROGRAMUNIFORM1UIVPROC glad_glProgramUniform1uiv;
+#define glProgramUniform1uiv glad_glProgramUniform1uiv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM2FPROC glad_glProgramUniform2f;
+#define glProgramUniform2f glad_glProgramUniform2f
+GLAD_API_CALL PFNGLPROGRAMUNIFORM2FVPROC glad_glProgramUniform2fv;
+#define glProgramUniform2fv glad_glProgramUniform2fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM2IPROC glad_glProgramUniform2i;
+#define glProgramUniform2i glad_glProgramUniform2i
+GLAD_API_CALL PFNGLPROGRAMUNIFORM2IVPROC glad_glProgramUniform2iv;
+#define glProgramUniform2iv glad_glProgramUniform2iv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM2UIPROC glad_glProgramUniform2ui;
+#define glProgramUniform2ui glad_glProgramUniform2ui
+GLAD_API_CALL PFNGLPROGRAMUNIFORM2UIVPROC glad_glProgramUniform2uiv;
+#define glProgramUniform2uiv glad_glProgramUniform2uiv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM3FPROC glad_glProgramUniform3f;
+#define glProgramUniform3f glad_glProgramUniform3f
+GLAD_API_CALL PFNGLPROGRAMUNIFORM3FVPROC glad_glProgramUniform3fv;
+#define glProgramUniform3fv glad_glProgramUniform3fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM3IPROC glad_glProgramUniform3i;
+#define glProgramUniform3i glad_glProgramUniform3i
+GLAD_API_CALL PFNGLPROGRAMUNIFORM3IVPROC glad_glProgramUniform3iv;
+#define glProgramUniform3iv glad_glProgramUniform3iv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM3UIPROC glad_glProgramUniform3ui;
+#define glProgramUniform3ui glad_glProgramUniform3ui
+GLAD_API_CALL PFNGLPROGRAMUNIFORM3UIVPROC glad_glProgramUniform3uiv;
+#define glProgramUniform3uiv glad_glProgramUniform3uiv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM4FPROC glad_glProgramUniform4f;
+#define glProgramUniform4f glad_glProgramUniform4f
+GLAD_API_CALL PFNGLPROGRAMUNIFORM4FVPROC glad_glProgramUniform4fv;
+#define glProgramUniform4fv glad_glProgramUniform4fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM4IPROC glad_glProgramUniform4i;
+#define glProgramUniform4i glad_glProgramUniform4i
+GLAD_API_CALL PFNGLPROGRAMUNIFORM4IVPROC glad_glProgramUniform4iv;
+#define glProgramUniform4iv glad_glProgramUniform4iv
+GLAD_API_CALL PFNGLPROGRAMUNIFORM4UIPROC glad_glProgramUniform4ui;
+#define glProgramUniform4ui glad_glProgramUniform4ui
+GLAD_API_CALL PFNGLPROGRAMUNIFORM4UIVPROC glad_glProgramUniform4uiv;
+#define glProgramUniform4uiv glad_glProgramUniform4uiv
+GLAD_API_CALL PFNGLPROGRAMUNIFORMMATRIX2FVPROC glad_glProgramUniformMatrix2fv;
+#define glProgramUniformMatrix2fv glad_glProgramUniformMatrix2fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC glad_glProgramUniformMatrix2x3fv;
+#define glProgramUniformMatrix2x3fv glad_glProgramUniformMatrix2x3fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC glad_glProgramUniformMatrix2x4fv;
+#define glProgramUniformMatrix2x4fv glad_glProgramUniformMatrix2x4fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORMMATRIX3FVPROC glad_glProgramUniformMatrix3fv;
+#define glProgramUniformMatrix3fv glad_glProgramUniformMatrix3fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC glad_glProgramUniformMatrix3x2fv;
+#define glProgramUniformMatrix3x2fv glad_glProgramUniformMatrix3x2fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC glad_glProgramUniformMatrix3x4fv;
+#define glProgramUniformMatrix3x4fv glad_glProgramUniformMatrix3x4fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORMMATRIX4FVPROC glad_glProgramUniformMatrix4fv;
+#define glProgramUniformMatrix4fv glad_glProgramUniformMatrix4fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC glad_glProgramUniformMatrix4x2fv;
+#define glProgramUniformMatrix4x2fv glad_glProgramUniformMatrix4x2fv
+GLAD_API_CALL PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC glad_glProgramUniformMatrix4x3fv;
+#define glProgramUniformMatrix4x3fv glad_glProgramUniformMatrix4x3fv
+GLAD_API_CALL PFNGLPUSHDEBUGGROUPPROC glad_glPushDebugGroup;
+#define glPushDebugGroup glad_glPushDebugGroup
+GLAD_API_CALL PFNGLREADNPIXELSPROC glad_glReadnPixels;
+#define glReadnPixels glad_glReadnPixels
+GLAD_API_CALL PFNGLRELEASESHADERCOMPILERPROC glad_glReleaseShaderCompiler;
+#define glReleaseShaderCompiler glad_glReleaseShaderCompiler
+GLAD_API_CALL PFNGLRESUMETRANSFORMFEEDBACKPROC glad_glResumeTransformFeedback;
+#define glResumeTransformFeedback glad_glResumeTransformFeedback
+GLAD_API_CALL PFNGLSHADERBINARYPROC glad_glShaderBinary;
+#define glShaderBinary glad_glShaderBinary
+GLAD_API_CALL PFNGLTEXBUFFERRANGEPROC glad_glTexBufferRange;
+#define glTexBufferRange glad_glTexBufferRange
+GLAD_API_CALL PFNGLTEXSTORAGE2DPROC glad_glTexStorage2D;
+#define glTexStorage2D glad_glTexStorage2D
+GLAD_API_CALL PFNGLTEXSTORAGE2DMULTISAMPLEPROC glad_glTexStorage2DMultisample;
+#define glTexStorage2DMultisample glad_glTexStorage2DMultisample
+GLAD_API_CALL PFNGLTEXSTORAGE3DPROC glad_glTexStorage3D;
+#define glTexStorage3D glad_glTexStorage3D
+GLAD_API_CALL PFNGLTEXSTORAGE3DMULTISAMPLEPROC glad_glTexStorage3DMultisample;
+#define glTexStorage3DMultisample glad_glTexStorage3DMultisample
+GLAD_API_CALL PFNGLUSEPROGRAMSTAGESPROC glad_glUseProgramStages;
+#define glUseProgramStages glad_glUseProgramStages
+GLAD_API_CALL PFNGLVALIDATEPROGRAMPIPELINEPROC glad_glValidateProgramPipeline;
+#define glValidateProgramPipeline glad_glValidateProgramPipeline
+GLAD_API_CALL PFNGLVERTEXATTRIBBINDINGPROC glad_glVertexAttribBinding;
+#define glVertexAttribBinding glad_glVertexAttribBinding
+GLAD_API_CALL PFNGLVERTEXATTRIBFORMATPROC glad_glVertexAttribFormat;
+#define glVertexAttribFormat glad_glVertexAttribFormat
+GLAD_API_CALL PFNGLVERTEXATTRIBIFORMATPROC glad_glVertexAttribIFormat;
+#define glVertexAttribIFormat glad_glVertexAttribIFormat
+GLAD_API_CALL PFNGLVERTEXBINDINGDIVISORPROC glad_glVertexBindingDivisor;
+#define glVertexBindingDivisor glad_glVertexBindingDivisor
 
 
 
@@ -3885,6 +4568,9 @@ GLAD_API_CALL PFNGLWINDOWPOS3SVPROC glad_glWindowPos3sv;
 GLAD_API_CALL int gladLoadGLUserPtr( GLADuserptrloadfunc load, void *userptr);
 GLAD_API_CALL int gladLoadGL( GLADloadfunc load);
 
+GLAD_API_CALL int gladLoadGLES2UserPtr( GLADuserptrloadfunc load, void *userptr);
+GLAD_API_CALL int gladLoadGLES2( GLADloadfunc load);
+
 
 #ifdef GLAD_GL
 
@@ -3892,6 +4578,13 @@ GLAD_API_CALL int gladLoaderLoadGL(void);
 GLAD_API_CALL void gladLoaderUnloadGL(void);
 
 #endif
+#ifdef GLAD_GLES2
+
+GLAD_API_CALL int gladLoaderLoadGLES2(void);
+GLAD_API_CALL void gladLoaderUnloadGLES2(void);
+
+#endif /* GLAD_GLES2 */
+
 
 #ifdef __cplusplus
 }

thirdparty/glad/patches/patch_enable_both_gl_and_gles.diff

@@ -0,0 +1,62 @@
+diff --git a/thirdparty/glad/gl.c b/thirdparty/glad/gl.c
+index a0b59dbbfb..9f10f6544a 100644
+--- a/thirdparty/glad/gl.c
++++ b/thirdparty/glad/gl.c
+@@ -2475,7 +2475,7 @@ static GLADapiproc glad_gl_get_proc(void *vuserptr, const char *name) {
+     return result;
+ }
+ 
+-static void* _glad_GL_loader_handle = NULL;
++static void* _glad_gles_loader_handle = NULL;
+ 
+ static void* glad_gl_dlopen_handle(void) {
+ #if GLAD_PLATFORM_APPLE
+@@ -2497,11 +2497,11 @@ static void* glad_gl_dlopen_handle(void) {
+     };
+ #endif
+ 
+-    if (_glad_GL_loader_handle == NULL) {
+-        _glad_GL_loader_handle = glad_get_dlopen_handle(NAMES, sizeof(NAMES) / sizeof(NAMES[0]));
++    if (_glad_gles_loader_handle == NULL) {
++        _glad_gles_loader_handle = glad_get_dlopen_handle(NAMES, sizeof(NAMES) / sizeof(NAMES[0]));
+     }
+ 
+-    return _glad_GL_loader_handle;
++    return _glad_gles_loader_handle;
+ }
+ 
+ static struct _glad_gl_userptr glad_gl_build_userptr(void *handle) {
+@@ -2527,7 +2527,7 @@ int gladLoaderLoadGL(void) {
+     int did_load = 0;
+     struct _glad_gl_userptr userptr;
+ 
+-    did_load = _glad_GL_loader_handle == NULL;
++    did_load = _glad_gles_loader_handle == NULL;
+     handle = glad_gl_dlopen_handle();
+     if (handle) {
+         userptr = glad_gl_build_userptr(handle);
+@@ -2545,9 +2545,9 @@ int gladLoaderLoadGL(void) {
+ 
+ 
+ void gladLoaderUnloadGL(void) {
+-    if (_glad_GL_loader_handle != NULL) {
+-        glad_close_dlopen_handle(_glad_GL_loader_handle);
+-        _glad_GL_loader_handle = NULL;
++    if (_glad_gles_loader_handle != NULL) {
++        glad_close_dlopen_handle(_glad_gles_loader_handle);
++        _glad_gles_loader_handle = NULL;
+     }
+ }
+ 
+diff --git a/thirdparty/glad/glad/gl.h b/thirdparty/glad/glad/gl.h
+index 905c16aeed..f3cb7d8cb5 100644
+--- a/thirdparty/glad/glad/gl.h
++++ b/thirdparty/glad/glad/gl.h
+@@ -67,6 +67,7 @@
+ #endif
+ 
+ #define GLAD_GL
++#define GLAD_GLES2
+ #define GLAD_OPTION_GL_LOADER
+ 
+ #ifdef __cplusplus