diff options
Diffstat (limited to 'drivers/gles3/storage/config.cpp')
| -rw-r--r-- | drivers/gles3/storage/config.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/gles3/storage/config.cpp b/drivers/gles3/storage/config.cpp new file mode 100644 index 0000000000..f2809734a9 --- /dev/null +++ b/drivers/gles3/storage/config.cpp @@ -0,0 +1,121 @@ +/*************************************************************************/ +/* 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 |