Load GLX dynamically with GLAD

This is accomplished through the addition of a GLAD GLX loader in the
`thirdparty` directory.

This is another step towards a nice Wayland/X11 interoperation.
This commit is contained in:
Riteo Siuga 2022-11-12 21:46:16 +01:00 committed by Riteo
parent 91fcc3986e
commit dc2919d57b
7 changed files with 1028 additions and 28 deletions

View File

@ -356,7 +356,6 @@ def configure(env: "Environment"):
if env["opengl3"]:
env.Append(CPPDEFINES=["GLES3_ENABLED"])
env.ParseConfig("pkg-config gl --cflags --libs")
env.Append(LIBS=["pthread"])

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@ -11,7 +11,7 @@ if env["vulkan"]:
source_files.append("vulkan_context_x11.cpp")
if env["opengl3"]:
source_files.append(["gl_manager_x11.cpp", "detect_prime_x11.cpp"])
source_files.append(["gl_manager_x11.cpp", "detect_prime_x11.cpp", "#thirdparty/glad/glx.c"])
objects = []

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@ -38,8 +38,9 @@
#include <stdlib.h>
#include <GL/gl.h>
#include <GL/glx.h>
#include "thirdparty/glad/glad/gl.h"
#include "thirdparty/glad/glad/glx.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
@ -77,8 +78,6 @@ void create_context() {
Window x11_window;
GLXContext glx_context;
GLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = (GLXCREATECONTEXTATTRIBSARBPROC)glXGetProcAddress((const GLubyte *)"glXCreateContextAttribsARB");
static int visual_attribs[] = {
GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
@ -101,7 +100,7 @@ void create_context() {
GLXFBConfig *fbc = glXChooseFBConfig(x11_display, DefaultScreen(x11_display), visual_attribs, &fbcount);
if (!fbc) {
exit(1);
quick_exit(1);
}
vi = glXGetVisualFromFBConfig(x11_display, fbc[0]);
@ -122,7 +121,7 @@ void create_context() {
x11_window = XCreateWindow(x11_display, RootWindow(x11_display, vi->screen), 0, 0, 10, 10, 0, vi->depth, InputOutput, vi->visual, valuemask, &swa);
if (!x11_window) {
exit(1);
quick_exit(1);
}
glXMakeCurrent(x11_display, x11_window, glx_context);
@ -189,8 +188,20 @@ int detect_prime() {
if (i) {
setenv("DRI_PRIME", "1", 1);
}
if (gladLoaderLoadGLX(NULL, 0) == 0) {
print_verbose("Unable to load GLX, GPU detection skipped.");
quick_exit(1);
}
create_context();
PFNGLGETSTRINGPROC glGetString = (PFNGLGETSTRINGPROC)glXGetProcAddressARB((GLubyte *)"glGetString");
if (!glGetString) {
print_verbose("Unable to get glGetString, GPU detection skipped.");
quick_exit(1);
}
const char *vendor = (const char *)glGetString(GL_VENDOR);
const char *renderer = (const char *)glGetString(GL_RENDERER);

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@ -37,9 +37,7 @@
#include <stdlib.h>
#include <unistd.h>
#define GLX_GLXEXT_PROTOTYPES
#include <GL/glx.h>
#include <GL/glxext.h>
#include "thirdparty/glad/glad/glx.h"
#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
@ -324,11 +322,14 @@ void GLManager_X11::swap_buffers() {
}
Error GLManager_X11::initialize() {
if (!gladLoaderLoadGLX(nullptr, 0)) {
return ERR_CANT_CREATE;
}
return OK;
}
void GLManager_X11::set_use_vsync(bool p_use) {
static bool setup = false;
static PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT = nullptr;
static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalMESA = nullptr;
static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI = nullptr;
@ -345,25 +346,12 @@ void GLManager_X11::set_use_vsync(bool p_use) {
}
const GLDisplay &disp = get_current_display();
if (!setup) {
setup = true;
String extensions = glXQueryExtensionsString(disp.x11_display, DefaultScreen(disp.x11_display));
if (extensions.find("GLX_EXT_swap_control") != -1) {
glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalEXT");
}
if (extensions.find("GLX_MESA_swap_control") != -1) {
glXSwapIntervalMESA = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalMESA");
}
if (extensions.find("GLX_SGI_swap_control") != -1) {
glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalSGI");
}
}
int val = p_use ? 1 : 0;
if (glXSwapIntervalMESA) {
if (GLAD_GLX_MESA_swap_control) {
glXSwapIntervalMESA(val);
} else if (glXSwapIntervalSGI) {
} else if (GLAD_GLX_SGI_swap_control) {
glXSwapIntervalSGI(val);
} else if (glXSwapIntervalEXT) {
} else if (GLAD_GLX_EXT_swap_control) {
GLXDrawable drawable = glXGetCurrentDrawable();
glXSwapIntervalEXT(disp.x11_display, drawable, val);
} else {

View File

@ -186,6 +186,8 @@ Files generated from [upstream web instance](https://gen.glad.sh/):
- `KHR/khrplatform.h`
- `gl.c`
- `glad/gl.h`
- `glx.c`
- `glad/glx.h`
## glslang

605
thirdparty/glad/glad/glx.h vendored Normal file
View File

@ -0,0 +1,605 @@
/**
* Loader generated by glad 2.0.2 on Tue Nov 15 09:49:49 2022
*
* SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0
*
* Generator: C/C++
* Specification: glx
* Extensions: 6
*
* APIs:
* - glx=1.4
*
* Options:
* - ALIAS = False
* - DEBUG = False
* - HEADER_ONLY = False
* - LOADER = True
* - MX = False
* - ON_DEMAND = False
*
* Commandline:
* --api='glx=1.4' --extensions='GLX_ARB_create_context,GLX_ARB_create_context_profile,GLX_ARB_get_proc_address,GLX_EXT_swap_control,GLX_MESA_swap_control,GLX_SGI_swap_control' c --loader
*
* Online:
* http://glad.sh/#api=glx%3D1.4&extensions=GLX_ARB_create_context%2CGLX_ARB_create_context_profile%2CGLX_ARB_get_proc_address%2CGLX_EXT_swap_control%2CGLX_MESA_swap_control%2CGLX_SGI_swap_control&generator=c&options=LOADER
*
*/
#ifndef GLAD_GLX_H_
#define GLAD_GLX_H_
#ifdef GLX_H
#error GLX header already included (API: glx), remove previous include!
#endif
#define GLX_H 1
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <glad/gl.h>
#define GLAD_GLX
#define GLAD_OPTION_GLX_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 "2.0.2"
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 GLX_ACCUM_ALPHA_SIZE 17
#define GLX_ACCUM_BLUE_SIZE 16
#define GLX_ACCUM_BUFFER_BIT 0x00000080
#define GLX_ACCUM_GREEN_SIZE 15
#define GLX_ACCUM_RED_SIZE 14
#define GLX_ALPHA_SIZE 11
#define GLX_AUX_BUFFERS 7
#define GLX_AUX_BUFFERS_BIT 0x00000010
#define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
#define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
#define GLX_BAD_ATTRIBUTE 2
#define GLX_BAD_CONTEXT 5
#define GLX_BAD_ENUM 7
#define GLX_BAD_SCREEN 1
#define GLX_BAD_VALUE 6
#define GLX_BAD_VISUAL 4
#define GLX_BLUE_SIZE 10
#define GLX_BUFFER_SIZE 2
#define GLX_BufferSwapComplete 1
#define GLX_COLOR_INDEX_BIT 0x00000002
#define GLX_COLOR_INDEX_TYPE 0x8015
#define GLX_CONFIG_CAVEAT 0x20
#define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
#define GLX_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define GLX_CONTEXT_FLAGS_ARB 0x2094
#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
#define GLX_DAMAGED 0x8020
#define GLX_DEPTH_BUFFER_BIT 0x00000020
#define GLX_DEPTH_SIZE 12
#define GLX_DIRECT_COLOR 0x8003
#define GLX_DONT_CARE 0xFFFFFFFF
#define GLX_DOUBLEBUFFER 5
#define GLX_DRAWABLE_TYPE 0x8010
#define GLX_EVENT_MASK 0x801F
#define GLX_EXTENSIONS 0x3
#define GLX_EXTENSION_NAME "GLX"
#define GLX_FBCONFIG_ID 0x8013
#define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
#define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
#define GLX_GRAY_SCALE 0x8006
#define GLX_GREEN_SIZE 9
#define GLX_HEIGHT 0x801E
#define GLX_LARGEST_PBUFFER 0x801C
#define GLX_LEVEL 3
#define GLX_MAX_PBUFFER_HEIGHT 0x8017
#define GLX_MAX_PBUFFER_PIXELS 0x8018
#define GLX_MAX_PBUFFER_WIDTH 0x8016
#define GLX_MAX_SWAP_INTERVAL_EXT 0x20F2
#define GLX_NONE 0x8000
#define GLX_NON_CONFORMANT_CONFIG 0x800D
#define GLX_NO_EXTENSION 3
#define GLX_PBUFFER 0x8023
#define GLX_PBUFFER_BIT 0x00000004
#define GLX_PBUFFER_CLOBBER_MASK 0x08000000
#define GLX_PBUFFER_HEIGHT 0x8040
#define GLX_PBUFFER_WIDTH 0x8041
#define GLX_PIXMAP_BIT 0x00000002
#define GLX_PRESERVED_CONTENTS 0x801B
#define GLX_PSEUDO_COLOR 0x8004
#define GLX_PbufferClobber 0
#define GLX_RED_SIZE 8
#define GLX_RENDER_TYPE 0x8011
#define GLX_RGBA 4
#define GLX_RGBA_BIT 0x00000001
#define GLX_RGBA_TYPE 0x8014
#define GLX_SAMPLES 100001
#define GLX_SAMPLE_BUFFERS 100000
#define GLX_SAVED 0x8021
#define GLX_SCREEN 0x800C
#define GLX_SLOW_CONFIG 0x8001
#define GLX_STATIC_COLOR 0x8005
#define GLX_STATIC_GRAY 0x8007
#define GLX_STENCIL_BUFFER_BIT 0x00000040
#define GLX_STENCIL_SIZE 13
#define GLX_STEREO 6
#define GLX_SWAP_INTERVAL_EXT 0x20F1
#define GLX_TRANSPARENT_ALPHA_VALUE 0x28
#define GLX_TRANSPARENT_BLUE_VALUE 0x27
#define GLX_TRANSPARENT_GREEN_VALUE 0x26
#define GLX_TRANSPARENT_INDEX 0x8009
#define GLX_TRANSPARENT_INDEX_VALUE 0x24
#define GLX_TRANSPARENT_RED_VALUE 0x25
#define GLX_TRANSPARENT_RGB 0x8008
#define GLX_TRANSPARENT_TYPE 0x23
#define GLX_TRUE_COLOR 0x8002
#define GLX_USE_GL 1
#define GLX_VENDOR 0x1
#define GLX_VERSION 0x2
#define GLX_VISUAL_ID 0x800B
#define GLX_WIDTH 0x801D
#define GLX_WINDOW 0x8022
#define GLX_WINDOW_BIT 0x00000001
#define GLX_X_RENDERABLE 0x8012
#define GLX_X_VISUAL_TYPE 0x22
#define __GLX_NUMBER_EVENTS 17
#ifndef GLEXT_64_TYPES_DEFINED
/* This code block is duplicated in glext.h, so must be protected */
#define GLEXT_64_TYPES_DEFINED
/* Define int32_t, int64_t, and uint64_t types for UST/MSC */
/* (as used in the GLX_OML_sync_control extension). */
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#include <inttypes.h>
#elif defined(__sun__) || defined(__digital__)
#include <inttypes.h>
#if defined(__STDC__)
#if defined(__arch64__) || defined(_LP64)
typedef long int int64_t;
typedef unsigned long int uint64_t;
#else
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#endif /* __arch64__ */
#endif /* __STDC__ */
#elif defined( __VMS ) || defined(__sgi)
#include <inttypes.h>
#elif defined(__SCO__) || defined(__USLC__)
#include <stdint.h>
#elif defined(__UNIXOS2__) || defined(__SOL64__)
typedef long int int32_t;
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#elif defined(_WIN32) && defined(__GNUC__)
#include <stdint.h>
#elif defined(_WIN32)
typedef __int32 int32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
/* Fallback if nothing above works */
#include <inttypes.h>
#endif
#endif
#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ > 1060)
#else
#endif
#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ > 1060)
#else
#endif
typedef XID GLXFBConfigID;
typedef struct __GLXFBConfigRec *GLXFBConfig;
typedef XID GLXContextID;
typedef struct __GLXcontextRec *GLXContext;
typedef XID GLXPixmap;
typedef XID GLXDrawable;
typedef XID GLXWindow;
typedef XID GLXPbuffer;
typedef void (GLAD_API_PTR *__GLXextFuncPtr)(void);
typedef XID GLXVideoCaptureDeviceNV;
typedef unsigned int GLXVideoDeviceNV;
typedef XID GLXVideoSourceSGIX;
typedef XID GLXFBConfigIDSGIX;
typedef struct __GLXFBConfigRec *GLXFBConfigSGIX;
typedef XID GLXPbufferSGIX;
typedef struct {
int event_type; /* GLX_DAMAGED or GLX_SAVED */
int draw_type; /* GLX_WINDOW or GLX_PBUFFER */
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came for SendEvent request */
Display *display; /* display the event was read from */
GLXDrawable drawable; /* XID of Drawable */
unsigned int buffer_mask; /* mask indicating which buffers are affected */
unsigned int aux_buffer; /* which aux buffer was affected */
int x, y;
int width, height;
int count; /* if nonzero, at least this many more */
} GLXPbufferClobberEvent;
typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
GLXDrawable drawable; /* drawable on which event was requested in event mask */
int event_type;
int64_t ust;
int64_t msc;
int64_t sbc;
} GLXBufferSwapComplete;
typedef union __GLXEvent {
GLXPbufferClobberEvent glxpbufferclobber;
GLXBufferSwapComplete glxbufferswapcomplete;
long pad[24];
} GLXEvent;
typedef struct {
int type;
unsigned long serial;
Bool send_event;
Display *display;
int extension;
int evtype;
GLXDrawable window;
Bool stereo_tree;
} GLXStereoNotifyEventEXT;
typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came for SendEvent request */
Display *display; /* display the event was read from */
GLXDrawable drawable; /* i.d. of Drawable */
int event_type; /* GLX_DAMAGED_SGIX or GLX_SAVED_SGIX */
int draw_type; /* GLX_WINDOW_SGIX or GLX_PBUFFER_SGIX */
unsigned int mask; /* mask indicating which buffers are affected*/
int x, y;
int width, height;
int count; /* if nonzero, at least this many more */
} GLXBufferClobberEventSGIX;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int networkId;
} GLXHyperpipeNetworkSGIX;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int channel;
unsigned int participationType;
int timeSlice;
} GLXHyperpipeConfigSGIX;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int srcXOrigin, srcYOrigin, srcWidth, srcHeight;
int destXOrigin, destYOrigin, destWidth, destHeight;
} GLXPipeRect;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int XOrigin, YOrigin, maxHeight, maxWidth;
} GLXPipeRectLimits;
#define GLX_VERSION_1_0 1
GLAD_API_CALL int GLAD_GLX_VERSION_1_0;
#define GLX_VERSION_1_1 1
GLAD_API_CALL int GLAD_GLX_VERSION_1_1;
#define GLX_VERSION_1_2 1
GLAD_API_CALL int GLAD_GLX_VERSION_1_2;
#define GLX_VERSION_1_3 1
GLAD_API_CALL int GLAD_GLX_VERSION_1_3;
#define GLX_VERSION_1_4 1
GLAD_API_CALL int GLAD_GLX_VERSION_1_4;
#define GLX_ARB_create_context 1
GLAD_API_CALL int GLAD_GLX_ARB_create_context;
#define GLX_ARB_create_context_profile 1
GLAD_API_CALL int GLAD_GLX_ARB_create_context_profile;
#define GLX_ARB_get_proc_address 1
GLAD_API_CALL int GLAD_GLX_ARB_get_proc_address;
#define GLX_EXT_swap_control 1
GLAD_API_CALL int GLAD_GLX_EXT_swap_control;
#define GLX_MESA_swap_control 1
GLAD_API_CALL int GLAD_GLX_MESA_swap_control;
#define GLX_SGI_swap_control 1
GLAD_API_CALL int GLAD_GLX_SGI_swap_control;
typedef GLXFBConfig * (GLAD_API_PTR *PFNGLXCHOOSEFBCONFIGPROC)(Display * dpy, int screen, const int * attrib_list, int * nelements);
typedef XVisualInfo * (GLAD_API_PTR *PFNGLXCHOOSEVISUALPROC)(Display * dpy, int screen, int * attribList);
typedef void (GLAD_API_PTR *PFNGLXCOPYCONTEXTPROC)(Display * dpy, GLXContext src, GLXContext dst, unsigned long mask);
typedef GLXContext (GLAD_API_PTR *PFNGLXCREATECONTEXTPROC)(Display * dpy, XVisualInfo * vis, GLXContext shareList, Bool direct);
typedef GLXContext (GLAD_API_PTR *PFNGLXCREATECONTEXTATTRIBSARBPROC)(Display * dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int * attrib_list);
typedef GLXPixmap (GLAD_API_PTR *PFNGLXCREATEGLXPIXMAPPROC)(Display * dpy, XVisualInfo * visual, Pixmap pixmap);
typedef GLXContext (GLAD_API_PTR *PFNGLXCREATENEWCONTEXTPROC)(Display * dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
typedef GLXPbuffer (GLAD_API_PTR *PFNGLXCREATEPBUFFERPROC)(Display * dpy, GLXFBConfig config, const int * attrib_list);
typedef GLXPixmap (GLAD_API_PTR *PFNGLXCREATEPIXMAPPROC)(Display * dpy, GLXFBConfig config, Pixmap pixmap, const int * attrib_list);
typedef GLXWindow (GLAD_API_PTR *PFNGLXCREATEWINDOWPROC)(Display * dpy, GLXFBConfig config, Window win, const int * attrib_list);
typedef void (GLAD_API_PTR *PFNGLXDESTROYCONTEXTPROC)(Display * dpy, GLXContext ctx);
typedef void (GLAD_API_PTR *PFNGLXDESTROYGLXPIXMAPPROC)(Display * dpy, GLXPixmap pixmap);
typedef void (GLAD_API_PTR *PFNGLXDESTROYPBUFFERPROC)(Display * dpy, GLXPbuffer pbuf);
typedef void (GLAD_API_PTR *PFNGLXDESTROYPIXMAPPROC)(Display * dpy, GLXPixmap pixmap);
typedef void (GLAD_API_PTR *PFNGLXDESTROYWINDOWPROC)(Display * dpy, GLXWindow win);
typedef const char * (GLAD_API_PTR *PFNGLXGETCLIENTSTRINGPROC)(Display * dpy, int name);
typedef int (GLAD_API_PTR *PFNGLXGETCONFIGPROC)(Display * dpy, XVisualInfo * visual, int attrib, int * value);
typedef GLXContext (GLAD_API_PTR *PFNGLXGETCURRENTCONTEXTPROC)(void);
typedef Display * (GLAD_API_PTR *PFNGLXGETCURRENTDISPLAYPROC)(void);
typedef GLXDrawable (GLAD_API_PTR *PFNGLXGETCURRENTDRAWABLEPROC)(void);
typedef GLXDrawable (GLAD_API_PTR *PFNGLXGETCURRENTREADDRAWABLEPROC)(void);
typedef int (GLAD_API_PTR *PFNGLXGETFBCONFIGATTRIBPROC)(Display * dpy, GLXFBConfig config, int attribute, int * value);
typedef GLXFBConfig * (GLAD_API_PTR *PFNGLXGETFBCONFIGSPROC)(Display * dpy, int screen, int * nelements);
typedef __GLXextFuncPtr (GLAD_API_PTR *PFNGLXGETPROCADDRESSPROC)(const GLubyte * procName);
typedef __GLXextFuncPtr (GLAD_API_PTR *PFNGLXGETPROCADDRESSARBPROC)(const GLubyte * procName);
typedef void (GLAD_API_PTR *PFNGLXGETSELECTEDEVENTPROC)(Display * dpy, GLXDrawable draw, unsigned long * event_mask);
typedef int (GLAD_API_PTR *PFNGLXGETSWAPINTERVALMESAPROC)(void);
typedef XVisualInfo * (GLAD_API_PTR *PFNGLXGETVISUALFROMFBCONFIGPROC)(Display * dpy, GLXFBConfig config);
typedef Bool (GLAD_API_PTR *PFNGLXISDIRECTPROC)(Display * dpy, GLXContext ctx);
typedef Bool (GLAD_API_PTR *PFNGLXMAKECONTEXTCURRENTPROC)(Display * dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
typedef Bool (GLAD_API_PTR *PFNGLXMAKECURRENTPROC)(Display * dpy, GLXDrawable drawable, GLXContext ctx);
typedef int (GLAD_API_PTR *PFNGLXQUERYCONTEXTPROC)(Display * dpy, GLXContext ctx, int attribute, int * value);
typedef void (GLAD_API_PTR *PFNGLXQUERYDRAWABLEPROC)(Display * dpy, GLXDrawable draw, int attribute, unsigned int * value);
typedef Bool (GLAD_API_PTR *PFNGLXQUERYEXTENSIONPROC)(Display * dpy, int * errorb, int * event);
typedef const char * (GLAD_API_PTR *PFNGLXQUERYEXTENSIONSSTRINGPROC)(Display * dpy, int screen);
typedef const char * (GLAD_API_PTR *PFNGLXQUERYSERVERSTRINGPROC)(Display * dpy, int screen, int name);
typedef Bool (GLAD_API_PTR *PFNGLXQUERYVERSIONPROC)(Display * dpy, int * maj, int * min);
typedef void (GLAD_API_PTR *PFNGLXSELECTEVENTPROC)(Display * dpy, GLXDrawable draw, unsigned long event_mask);
typedef void (GLAD_API_PTR *PFNGLXSWAPBUFFERSPROC)(Display * dpy, GLXDrawable drawable);
typedef void (GLAD_API_PTR *PFNGLXSWAPINTERVALEXTPROC)(Display * dpy, GLXDrawable drawable, int interval);
typedef int (GLAD_API_PTR *PFNGLXSWAPINTERVALMESAPROC)(unsigned int interval);
typedef int (GLAD_API_PTR *PFNGLXSWAPINTERVALSGIPROC)(int interval);
typedef void (GLAD_API_PTR *PFNGLXUSEXFONTPROC)(Font font, int first, int count, int list);
typedef void (GLAD_API_PTR *PFNGLXWAITGLPROC)(void);
typedef void (GLAD_API_PTR *PFNGLXWAITXPROC)(void);
GLAD_API_CALL PFNGLXCHOOSEFBCONFIGPROC glad_glXChooseFBConfig;
#define glXChooseFBConfig glad_glXChooseFBConfig
GLAD_API_CALL PFNGLXCHOOSEVISUALPROC glad_glXChooseVisual;
#define glXChooseVisual glad_glXChooseVisual
GLAD_API_CALL PFNGLXCOPYCONTEXTPROC glad_glXCopyContext;
#define glXCopyContext glad_glXCopyContext
GLAD_API_CALL PFNGLXCREATECONTEXTPROC glad_glXCreateContext;
#define glXCreateContext glad_glXCreateContext
GLAD_API_CALL PFNGLXCREATECONTEXTATTRIBSARBPROC glad_glXCreateContextAttribsARB;
#define glXCreateContextAttribsARB glad_glXCreateContextAttribsARB
GLAD_API_CALL PFNGLXCREATEGLXPIXMAPPROC glad_glXCreateGLXPixmap;
#define glXCreateGLXPixmap glad_glXCreateGLXPixmap
GLAD_API_CALL PFNGLXCREATENEWCONTEXTPROC glad_glXCreateNewContext;
#define glXCreateNewContext glad_glXCreateNewContext
GLAD_API_CALL PFNGLXCREATEPBUFFERPROC glad_glXCreatePbuffer;
#define glXCreatePbuffer glad_glXCreatePbuffer
GLAD_API_CALL PFNGLXCREATEPIXMAPPROC glad_glXCreatePixmap;
#define glXCreatePixmap glad_glXCreatePixmap
GLAD_API_CALL PFNGLXCREATEWINDOWPROC glad_glXCreateWindow;
#define glXCreateWindow glad_glXCreateWindow
GLAD_API_CALL PFNGLXDESTROYCONTEXTPROC glad_glXDestroyContext;
#define glXDestroyContext glad_glXDestroyContext
GLAD_API_CALL PFNGLXDESTROYGLXPIXMAPPROC glad_glXDestroyGLXPixmap;
#define glXDestroyGLXPixmap glad_glXDestroyGLXPixmap
GLAD_API_CALL PFNGLXDESTROYPBUFFERPROC glad_glXDestroyPbuffer;
#define glXDestroyPbuffer glad_glXDestroyPbuffer
GLAD_API_CALL PFNGLXDESTROYPIXMAPPROC glad_glXDestroyPixmap;
#define glXDestroyPixmap glad_glXDestroyPixmap
GLAD_API_CALL PFNGLXDESTROYWINDOWPROC glad_glXDestroyWindow;
#define glXDestroyWindow glad_glXDestroyWindow
GLAD_API_CALL PFNGLXGETCLIENTSTRINGPROC glad_glXGetClientString;
#define glXGetClientString glad_glXGetClientString
GLAD_API_CALL PFNGLXGETCONFIGPROC glad_glXGetConfig;
#define glXGetConfig glad_glXGetConfig
GLAD_API_CALL PFNGLXGETCURRENTCONTEXTPROC glad_glXGetCurrentContext;
#define glXGetCurrentContext glad_glXGetCurrentContext
GLAD_API_CALL PFNGLXGETCURRENTDISPLAYPROC glad_glXGetCurrentDisplay;
#define glXGetCurrentDisplay glad_glXGetCurrentDisplay
GLAD_API_CALL PFNGLXGETCURRENTDRAWABLEPROC glad_glXGetCurrentDrawable;
#define glXGetCurrentDrawable glad_glXGetCurrentDrawable
GLAD_API_CALL PFNGLXGETCURRENTREADDRAWABLEPROC glad_glXGetCurrentReadDrawable;
#define glXGetCurrentReadDrawable glad_glXGetCurrentReadDrawable
GLAD_API_CALL PFNGLXGETFBCONFIGATTRIBPROC glad_glXGetFBConfigAttrib;
#define glXGetFBConfigAttrib glad_glXGetFBConfigAttrib
GLAD_API_CALL PFNGLXGETFBCONFIGSPROC glad_glXGetFBConfigs;
#define glXGetFBConfigs glad_glXGetFBConfigs
GLAD_API_CALL PFNGLXGETPROCADDRESSPROC glad_glXGetProcAddress;
#define glXGetProcAddress glad_glXGetProcAddress
GLAD_API_CALL PFNGLXGETPROCADDRESSARBPROC glad_glXGetProcAddressARB;
#define glXGetProcAddressARB glad_glXGetProcAddressARB
GLAD_API_CALL PFNGLXGETSELECTEDEVENTPROC glad_glXGetSelectedEvent;
#define glXGetSelectedEvent glad_glXGetSelectedEvent
GLAD_API_CALL PFNGLXGETSWAPINTERVALMESAPROC glad_glXGetSwapIntervalMESA;
#define glXGetSwapIntervalMESA glad_glXGetSwapIntervalMESA
GLAD_API_CALL PFNGLXGETVISUALFROMFBCONFIGPROC glad_glXGetVisualFromFBConfig;
#define glXGetVisualFromFBConfig glad_glXGetVisualFromFBConfig
GLAD_API_CALL PFNGLXISDIRECTPROC glad_glXIsDirect;
#define glXIsDirect glad_glXIsDirect
GLAD_API_CALL PFNGLXMAKECONTEXTCURRENTPROC glad_glXMakeContextCurrent;
#define glXMakeContextCurrent glad_glXMakeContextCurrent
GLAD_API_CALL PFNGLXMAKECURRENTPROC glad_glXMakeCurrent;
#define glXMakeCurrent glad_glXMakeCurrent
GLAD_API_CALL PFNGLXQUERYCONTEXTPROC glad_glXQueryContext;
#define glXQueryContext glad_glXQueryContext
GLAD_API_CALL PFNGLXQUERYDRAWABLEPROC glad_glXQueryDrawable;
#define glXQueryDrawable glad_glXQueryDrawable
GLAD_API_CALL PFNGLXQUERYEXTENSIONPROC glad_glXQueryExtension;
#define glXQueryExtension glad_glXQueryExtension
GLAD_API_CALL PFNGLXQUERYEXTENSIONSSTRINGPROC glad_glXQueryExtensionsString;
#define glXQueryExtensionsString glad_glXQueryExtensionsString
GLAD_API_CALL PFNGLXQUERYSERVERSTRINGPROC glad_glXQueryServerString;
#define glXQueryServerString glad_glXQueryServerString
GLAD_API_CALL PFNGLXQUERYVERSIONPROC glad_glXQueryVersion;
#define glXQueryVersion glad_glXQueryVersion
GLAD_API_CALL PFNGLXSELECTEVENTPROC glad_glXSelectEvent;
#define glXSelectEvent glad_glXSelectEvent
GLAD_API_CALL PFNGLXSWAPBUFFERSPROC glad_glXSwapBuffers;
#define glXSwapBuffers glad_glXSwapBuffers
GLAD_API_CALL PFNGLXSWAPINTERVALEXTPROC glad_glXSwapIntervalEXT;
#define glXSwapIntervalEXT glad_glXSwapIntervalEXT
GLAD_API_CALL PFNGLXSWAPINTERVALMESAPROC glad_glXSwapIntervalMESA;
#define glXSwapIntervalMESA glad_glXSwapIntervalMESA
GLAD_API_CALL PFNGLXSWAPINTERVALSGIPROC glad_glXSwapIntervalSGI;
#define glXSwapIntervalSGI glad_glXSwapIntervalSGI
GLAD_API_CALL PFNGLXUSEXFONTPROC glad_glXUseXFont;
#define glXUseXFont glad_glXUseXFont
GLAD_API_CALL PFNGLXWAITGLPROC glad_glXWaitGL;
#define glXWaitGL glad_glXWaitGL
GLAD_API_CALL PFNGLXWAITXPROC glad_glXWaitX;
#define glXWaitX glad_glXWaitX
GLAD_API_CALL int gladLoadGLXUserPtr(Display *display, int screen, GLADuserptrloadfunc load, void *userptr);
GLAD_API_CALL int gladLoadGLX(Display *display, int screen, GLADloadfunc load);
#ifdef GLAD_GLX
GLAD_API_CALL int gladLoaderLoadGLX(Display *display, int screen);
GLAD_API_CALL void gladLoaderUnloadGLX(void);
#endif
#ifdef __cplusplus
}
#endif
#endif

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/**
* SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glad/glx.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_GLX_VERSION_1_0 = 0;
int GLAD_GLX_VERSION_1_1 = 0;
int GLAD_GLX_VERSION_1_2 = 0;
int GLAD_GLX_VERSION_1_3 = 0;
int GLAD_GLX_VERSION_1_4 = 0;
int GLAD_GLX_ARB_create_context = 0;
int GLAD_GLX_ARB_create_context_profile = 0;
int GLAD_GLX_ARB_get_proc_address = 0;
int GLAD_GLX_EXT_swap_control = 0;
int GLAD_GLX_MESA_swap_control = 0;
int GLAD_GLX_SGI_swap_control = 0;
PFNGLXCHOOSEFBCONFIGPROC glad_glXChooseFBConfig = NULL;
PFNGLXCHOOSEVISUALPROC glad_glXChooseVisual = NULL;
PFNGLXCOPYCONTEXTPROC glad_glXCopyContext = NULL;
PFNGLXCREATECONTEXTPROC glad_glXCreateContext = NULL;
PFNGLXCREATECONTEXTATTRIBSARBPROC glad_glXCreateContextAttribsARB = NULL;
PFNGLXCREATEGLXPIXMAPPROC glad_glXCreateGLXPixmap = NULL;
PFNGLXCREATENEWCONTEXTPROC glad_glXCreateNewContext = NULL;
PFNGLXCREATEPBUFFERPROC glad_glXCreatePbuffer = NULL;
PFNGLXCREATEPIXMAPPROC glad_glXCreatePixmap = NULL;
PFNGLXCREATEWINDOWPROC glad_glXCreateWindow = NULL;
PFNGLXDESTROYCONTEXTPROC glad_glXDestroyContext = NULL;
PFNGLXDESTROYGLXPIXMAPPROC glad_glXDestroyGLXPixmap = NULL;
PFNGLXDESTROYPBUFFERPROC glad_glXDestroyPbuffer = NULL;
PFNGLXDESTROYPIXMAPPROC glad_glXDestroyPixmap = NULL;
PFNGLXDESTROYWINDOWPROC glad_glXDestroyWindow = NULL;
PFNGLXGETCLIENTSTRINGPROC glad_glXGetClientString = NULL;
PFNGLXGETCONFIGPROC glad_glXGetConfig = NULL;
PFNGLXGETCURRENTCONTEXTPROC glad_glXGetCurrentContext = NULL;
PFNGLXGETCURRENTDISPLAYPROC glad_glXGetCurrentDisplay = NULL;
PFNGLXGETCURRENTDRAWABLEPROC glad_glXGetCurrentDrawable = NULL;
PFNGLXGETCURRENTREADDRAWABLEPROC glad_glXGetCurrentReadDrawable = NULL;
PFNGLXGETFBCONFIGATTRIBPROC glad_glXGetFBConfigAttrib = NULL;
PFNGLXGETFBCONFIGSPROC glad_glXGetFBConfigs = NULL;
PFNGLXGETPROCADDRESSPROC glad_glXGetProcAddress = NULL;
PFNGLXGETPROCADDRESSARBPROC glad_glXGetProcAddressARB = NULL;
PFNGLXGETSELECTEDEVENTPROC glad_glXGetSelectedEvent = NULL;
PFNGLXGETSWAPINTERVALMESAPROC glad_glXGetSwapIntervalMESA = NULL;
PFNGLXGETVISUALFROMFBCONFIGPROC glad_glXGetVisualFromFBConfig = NULL;
PFNGLXISDIRECTPROC glad_glXIsDirect = NULL;
PFNGLXMAKECONTEXTCURRENTPROC glad_glXMakeContextCurrent = NULL;
PFNGLXMAKECURRENTPROC glad_glXMakeCurrent = NULL;
PFNGLXQUERYCONTEXTPROC glad_glXQueryContext = NULL;
PFNGLXQUERYDRAWABLEPROC glad_glXQueryDrawable = NULL;
PFNGLXQUERYEXTENSIONPROC glad_glXQueryExtension = NULL;
PFNGLXQUERYEXTENSIONSSTRINGPROC glad_glXQueryExtensionsString = NULL;
PFNGLXQUERYSERVERSTRINGPROC glad_glXQueryServerString = NULL;
PFNGLXQUERYVERSIONPROC glad_glXQueryVersion = NULL;
PFNGLXSELECTEVENTPROC glad_glXSelectEvent = NULL;
PFNGLXSWAPBUFFERSPROC glad_glXSwapBuffers = NULL;
PFNGLXSWAPINTERVALEXTPROC glad_glXSwapIntervalEXT = NULL;
PFNGLXSWAPINTERVALMESAPROC glad_glXSwapIntervalMESA = NULL;
PFNGLXSWAPINTERVALSGIPROC glad_glXSwapIntervalSGI = NULL;
PFNGLXUSEXFONTPROC glad_glXUseXFont = NULL;
PFNGLXWAITGLPROC glad_glXWaitGL = NULL;
PFNGLXWAITXPROC glad_glXWaitX = NULL;
static void glad_glx_load_GLX_VERSION_1_0( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_VERSION_1_0) return;
glad_glXChooseVisual = (PFNGLXCHOOSEVISUALPROC) load(userptr, "glXChooseVisual");
glad_glXCopyContext = (PFNGLXCOPYCONTEXTPROC) load(userptr, "glXCopyContext");
glad_glXCreateContext = (PFNGLXCREATECONTEXTPROC) load(userptr, "glXCreateContext");
glad_glXCreateGLXPixmap = (PFNGLXCREATEGLXPIXMAPPROC) load(userptr, "glXCreateGLXPixmap");
glad_glXDestroyContext = (PFNGLXDESTROYCONTEXTPROC) load(userptr, "glXDestroyContext");
glad_glXDestroyGLXPixmap = (PFNGLXDESTROYGLXPIXMAPPROC) load(userptr, "glXDestroyGLXPixmap");
glad_glXGetConfig = (PFNGLXGETCONFIGPROC) load(userptr, "glXGetConfig");
glad_glXGetCurrentContext = (PFNGLXGETCURRENTCONTEXTPROC) load(userptr, "glXGetCurrentContext");
glad_glXGetCurrentDrawable = (PFNGLXGETCURRENTDRAWABLEPROC) load(userptr, "glXGetCurrentDrawable");
glad_glXIsDirect = (PFNGLXISDIRECTPROC) load(userptr, "glXIsDirect");
glad_glXMakeCurrent = (PFNGLXMAKECURRENTPROC) load(userptr, "glXMakeCurrent");
glad_glXQueryExtension = (PFNGLXQUERYEXTENSIONPROC) load(userptr, "glXQueryExtension");
glad_glXQueryVersion = (PFNGLXQUERYVERSIONPROC) load(userptr, "glXQueryVersion");
glad_glXSwapBuffers = (PFNGLXSWAPBUFFERSPROC) load(userptr, "glXSwapBuffers");
glad_glXUseXFont = (PFNGLXUSEXFONTPROC) load(userptr, "glXUseXFont");
glad_glXWaitGL = (PFNGLXWAITGLPROC) load(userptr, "glXWaitGL");
glad_glXWaitX = (PFNGLXWAITXPROC) load(userptr, "glXWaitX");
}
static void glad_glx_load_GLX_VERSION_1_1( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_VERSION_1_1) return;
glad_glXGetClientString = (PFNGLXGETCLIENTSTRINGPROC) load(userptr, "glXGetClientString");
glad_glXQueryExtensionsString = (PFNGLXQUERYEXTENSIONSSTRINGPROC) load(userptr, "glXQueryExtensionsString");
glad_glXQueryServerString = (PFNGLXQUERYSERVERSTRINGPROC) load(userptr, "glXQueryServerString");
}
static void glad_glx_load_GLX_VERSION_1_2( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_VERSION_1_2) return;
glad_glXGetCurrentDisplay = (PFNGLXGETCURRENTDISPLAYPROC) load(userptr, "glXGetCurrentDisplay");
}
static void glad_glx_load_GLX_VERSION_1_3( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_VERSION_1_3) return;
glad_glXChooseFBConfig = (PFNGLXCHOOSEFBCONFIGPROC) load(userptr, "glXChooseFBConfig");
glad_glXCreateNewContext = (PFNGLXCREATENEWCONTEXTPROC) load(userptr, "glXCreateNewContext");
glad_glXCreatePbuffer = (PFNGLXCREATEPBUFFERPROC) load(userptr, "glXCreatePbuffer");
glad_glXCreatePixmap = (PFNGLXCREATEPIXMAPPROC) load(userptr, "glXCreatePixmap");
glad_glXCreateWindow = (PFNGLXCREATEWINDOWPROC) load(userptr, "glXCreateWindow");
glad_glXDestroyPbuffer = (PFNGLXDESTROYPBUFFERPROC) load(userptr, "glXDestroyPbuffer");
glad_glXDestroyPixmap = (PFNGLXDESTROYPIXMAPPROC) load(userptr, "glXDestroyPixmap");
glad_glXDestroyWindow = (PFNGLXDESTROYWINDOWPROC) load(userptr, "glXDestroyWindow");
glad_glXGetCurrentReadDrawable = (PFNGLXGETCURRENTREADDRAWABLEPROC) load(userptr, "glXGetCurrentReadDrawable");
glad_glXGetFBConfigAttrib = (PFNGLXGETFBCONFIGATTRIBPROC) load(userptr, "glXGetFBConfigAttrib");
glad_glXGetFBConfigs = (PFNGLXGETFBCONFIGSPROC) load(userptr, "glXGetFBConfigs");
glad_glXGetSelectedEvent = (PFNGLXGETSELECTEDEVENTPROC) load(userptr, "glXGetSelectedEvent");
glad_glXGetVisualFromFBConfig = (PFNGLXGETVISUALFROMFBCONFIGPROC) load(userptr, "glXGetVisualFromFBConfig");
glad_glXMakeContextCurrent = (PFNGLXMAKECONTEXTCURRENTPROC) load(userptr, "glXMakeContextCurrent");
glad_glXQueryContext = (PFNGLXQUERYCONTEXTPROC) load(userptr, "glXQueryContext");
glad_glXQueryDrawable = (PFNGLXQUERYDRAWABLEPROC) load(userptr, "glXQueryDrawable");
glad_glXSelectEvent = (PFNGLXSELECTEVENTPROC) load(userptr, "glXSelectEvent");
}
static void glad_glx_load_GLX_VERSION_1_4( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_VERSION_1_4) return;
glad_glXGetProcAddress = (PFNGLXGETPROCADDRESSPROC) load(userptr, "glXGetProcAddress");
}
static void glad_glx_load_GLX_ARB_create_context( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_ARB_create_context) return;
glad_glXCreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC) load(userptr, "glXCreateContextAttribsARB");
}
static void glad_glx_load_GLX_ARB_get_proc_address( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_ARB_get_proc_address) return;
glad_glXGetProcAddressARB = (PFNGLXGETPROCADDRESSARBPROC) load(userptr, "glXGetProcAddressARB");
}
static void glad_glx_load_GLX_EXT_swap_control( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_EXT_swap_control) return;
glad_glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC) load(userptr, "glXSwapIntervalEXT");
}
static void glad_glx_load_GLX_MESA_swap_control( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_MESA_swap_control) return;
glad_glXGetSwapIntervalMESA = (PFNGLXGETSWAPINTERVALMESAPROC) load(userptr, "glXGetSwapIntervalMESA");
glad_glXSwapIntervalMESA = (PFNGLXSWAPINTERVALMESAPROC) load(userptr, "glXSwapIntervalMESA");
}
static void glad_glx_load_GLX_SGI_swap_control( GLADuserptrloadfunc load, void* userptr) {
if(!GLAD_GLX_SGI_swap_control) return;
glad_glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC) load(userptr, "glXSwapIntervalSGI");
}
static int glad_glx_has_extension(Display *display, int screen, const char *ext) {
#ifndef GLX_VERSION_1_1
GLAD_UNUSED(display);
GLAD_UNUSED(screen);
GLAD_UNUSED(ext);
#else
const char *terminator;
const char *loc;
const char *extensions;
if (glXQueryExtensionsString == NULL) {
return 0;
}
extensions = glXQueryExtensionsString(display, screen);
if(extensions == NULL || ext == NULL) {
return 0;
}
while(1) {
loc = strstr(extensions, ext);
if(loc == NULL)
break;
terminator = loc + strlen(ext);
if((loc == extensions || *(loc - 1) == ' ') &&
(*terminator == ' ' || *terminator == '\0')) {
return 1;
}
extensions = terminator;
}
#endif
return 0;
}
static GLADapiproc glad_glx_get_proc_from_userptr(void *userptr, const char* name) {
return (GLAD_GNUC_EXTENSION (GLADapiproc (*)(const char *name)) userptr)(name);
}
static int glad_glx_find_extensions(Display *display, int screen) {
GLAD_GLX_ARB_create_context = glad_glx_has_extension(display, screen, "GLX_ARB_create_context");
GLAD_GLX_ARB_create_context_profile = glad_glx_has_extension(display, screen, "GLX_ARB_create_context_profile");
GLAD_GLX_ARB_get_proc_address = glad_glx_has_extension(display, screen, "GLX_ARB_get_proc_address");
GLAD_GLX_EXT_swap_control = glad_glx_has_extension(display, screen, "GLX_EXT_swap_control");
GLAD_GLX_MESA_swap_control = glad_glx_has_extension(display, screen, "GLX_MESA_swap_control");
GLAD_GLX_SGI_swap_control = glad_glx_has_extension(display, screen, "GLX_SGI_swap_control");
return 1;
}
static int glad_glx_find_core_glx(Display **display, int *screen) {
int major = 0, minor = 0;
if(*display == NULL) {
#ifdef GLAD_GLX_NO_X11
GLAD_UNUSED(screen);
return 0;
#else
*display = XOpenDisplay(0);
if (*display == NULL) {
return 0;
}
*screen = XScreenNumberOfScreen(XDefaultScreenOfDisplay(*display));
#endif
}
glXQueryVersion(*display, &major, &minor);
GLAD_GLX_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1;
GLAD_GLX_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1;
GLAD_GLX_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1;
GLAD_GLX_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1;
GLAD_GLX_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1;
return GLAD_MAKE_VERSION(major, minor);
}
int gladLoadGLXUserPtr(Display *display, int screen, GLADuserptrloadfunc load, void *userptr) {
int version;
glXQueryVersion = (PFNGLXQUERYVERSIONPROC) load(userptr, "glXQueryVersion");
if(glXQueryVersion == NULL) return 0;
version = glad_glx_find_core_glx(&display, &screen);
glad_glx_load_GLX_VERSION_1_0(load, userptr);
glad_glx_load_GLX_VERSION_1_1(load, userptr);
glad_glx_load_GLX_VERSION_1_2(load, userptr);
glad_glx_load_GLX_VERSION_1_3(load, userptr);
glad_glx_load_GLX_VERSION_1_4(load, userptr);
if (!glad_glx_find_extensions(display, screen)) return 0;
glad_glx_load_GLX_ARB_create_context(load, userptr);
glad_glx_load_GLX_ARB_get_proc_address(load, userptr);
glad_glx_load_GLX_EXT_swap_control(load, userptr);
glad_glx_load_GLX_MESA_swap_control(load, userptr);
glad_glx_load_GLX_SGI_swap_control(load, userptr);
return version;
}
int gladLoadGLX(Display *display, int screen, GLADloadfunc load) {
return gladLoadGLXUserPtr(display, screen, glad_glx_get_proc_from_userptr, GLAD_GNUC_EXTENSION (void*) load);
}
#ifdef GLAD_GLX
#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_ */
typedef void* (GLAD_API_PTR *GLADglxprocaddrfunc)(const char*);
static GLADapiproc glad_glx_get_proc(void *userptr, const char *name) {
return GLAD_GNUC_EXTENSION ((GLADapiproc (*)(const char *name)) userptr)(name);
}
static void* _glx_handle;
static void* glad_glx_dlopen_handle(void) {
static const char *NAMES[] = {
#if defined __CYGWIN__
"libGL-1.so",
#endif
"libGL.so.1",
"libGL.so"
};
if (_glx_handle == NULL) {
_glx_handle = glad_get_dlopen_handle(NAMES, sizeof(NAMES) / sizeof(NAMES[0]));
}
return _glx_handle;
}
int gladLoaderLoadGLX(Display *display, int screen) {
int version = 0;
void *handle = NULL;
int did_load = 0;
GLADglxprocaddrfunc loader;
did_load = _glx_handle == NULL;
handle = glad_glx_dlopen_handle();
if (handle != NULL) {
loader = (GLADglxprocaddrfunc) glad_dlsym_handle(handle, "glXGetProcAddressARB");
if (loader != NULL) {
version = gladLoadGLXUserPtr(display, screen, glad_glx_get_proc, GLAD_GNUC_EXTENSION (void*) loader);
}
if (!version && did_load) {
gladLoaderUnloadGLX();
}
}
return version;
}
void gladLoaderUnloadGLX() {
if (_glx_handle != NULL) {
glad_close_dlopen_handle(_glx_handle);
_glx_handle = NULL;
}
}
#endif /* GLAD_GLX */
#ifdef __cplusplus
}
#endif