129 lines
5.8 KiB
C++
129 lines
5.8 KiB
C++
/*************************************************************************/
|
|
/* config.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* 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. */
|
|
/*************************************************************************/
|
|
|
|
#ifdef GLES3_ENABLED
|
|
|
|
#include "config.h"
|
|
#include "core/config/project_settings.h"
|
|
#include "core/templates/vector.h"
|
|
|
|
using namespace GLES3;
|
|
|
|
#define _GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
|
|
|
|
Config *Config::singleton = nullptr;
|
|
|
|
Config::Config() {
|
|
singleton = this;
|
|
|
|
{
|
|
GLint max_extensions = 0;
|
|
glGetIntegerv(GL_NUM_EXTENSIONS, &max_extensions);
|
|
for (int i = 0; i < max_extensions; i++) {
|
|
const GLubyte *s = glGetStringi(GL_EXTENSIONS, i);
|
|
if (!s) {
|
|
break;
|
|
}
|
|
extensions.insert((const char *)s);
|
|
}
|
|
}
|
|
|
|
bptc_supported = extensions.has("GL_ARB_texture_compression_bptc") || extensions.has("EXT_texture_compression_bptc");
|
|
#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_ARB_texture_float") || extensions.has("GL_OES_texture_float");
|
|
etc2_supported = true;
|
|
#if defined(ANDROID_ENABLED) || defined(IPHONE_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;
|
|
#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");
|
|
#endif
|
|
|
|
#ifdef GLES_OVER_GL
|
|
use_rgba_2d_shadows = false;
|
|
#else
|
|
use_rgba_2d_shadows = !(float_texture_supported && extensions.has("GL_EXT_texture_rg"));
|
|
#endif
|
|
|
|
glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &max_vertex_texture_image_units);
|
|
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &max_texture_image_units);
|
|
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
|
|
glGetIntegerv(GL_MAX_UNIFORM_BLOCK_SIZE, &max_uniform_buffer_size);
|
|
|
|
// the use skeleton software path should be used if either float texture is not supported,
|
|
// OR max_vertex_texture_image_units is zero
|
|
use_skeleton_software = (float_texture_supported == false) || (max_vertex_texture_image_units == 0);
|
|
|
|
support_anisotropic_filter = extensions.has("GL_EXT_texture_filter_anisotropic");
|
|
if (support_anisotropic_filter) {
|
|
glGetFloatv(_GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &anisotropic_level);
|
|
anisotropic_level = MIN(float(1 << int(ProjectSettings::get_singleton()->get("rendering/textures/default_filters/anisotropic_filtering_level"))), anisotropic_level);
|
|
}
|
|
|
|
force_vertex_shading = false; //GLOBAL_GET("rendering/quality/shading/force_vertex_shading");
|
|
use_nearest_mip_filter = GLOBAL_GET("rendering/textures/default_filters/use_nearest_mipmap_filter");
|
|
|
|
use_depth_prepass = bool(GLOBAL_GET("rendering/driver/depth_prepass/enable"));
|
|
if (use_depth_prepass) {
|
|
String vendors = GLOBAL_GET("rendering/driver/depth_prepass/disable_for_vendors");
|
|
Vector<String> vendor_match = vendors.split(",");
|
|
String renderer = (const char *)glGetString(GL_RENDERER);
|
|
for (int i = 0; i < vendor_match.size(); i++) {
|
|
String v = vendor_match[i].strip_edges();
|
|
if (v == String()) {
|
|
continue;
|
|
}
|
|
|
|
if (renderer.findn(v) != -1) {
|
|
use_depth_prepass = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
max_renderable_elements = GLOBAL_GET("rendering/limits/opengl/max_renderable_elements");
|
|
max_renderable_lights = GLOBAL_GET("rendering/limits/opengl/max_renderable_lights");
|
|
max_lights_per_object = GLOBAL_GET("rendering/limits/opengl/max_lights_per_object");
|
|
}
|
|
|
|
Config::~Config() {
|
|
singleton = nullptr;
|
|
}
|
|
|
|
#endif // GLES3_ENABLED
|