/*************************************************************************/ /* 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; s3tc_supported = extensions.has("GL_EXT_texture_compression_dxt1") || extensions.has("GL_EXT_texture_compression_s3tc") || extensions.has("WEBGL_compressed_texture_s3tc"); 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