15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "gpu/command_buffer/service/feature_info.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <set> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/command_line.h" 10c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/strings/string_number_conversions.h" 11c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/strings/string_split.h" 12868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_util.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "gpu/command_buffer/service/gl_utils.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "gpu/command_buffer/service/gpu_switches.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gl/gl_implementation.h" 167d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_MACOSX) 187d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "ui/gl/io_surface_support_mac.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gpu { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gles2 { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct FormatInfo { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GLenum format; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GLenum* types; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t count; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class StringSet { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StringSet() {} 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StringSet(const char* s) { 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(s); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StringSet(const std::string& str) { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(str); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Init(const char* s) { 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string str(s ? s : ""); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(str); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Init(const std::string& str) { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<std::string> tokens; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Tokenize(str, " ", &tokens); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) string_set_.insert(tokens.begin(), tokens.end()); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Contains(const char* s) { 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return string_set_.find(s) != string_set_.end(); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Contains(const std::string& s) { 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return string_set_.find(s) != string_set_.end(); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::set<std::string> string_set_; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 67c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Process a string of wordaround type IDs (seperated by ',') and set up 68c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// the corresponding Workaround flags. 69c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void StringToWorkarounds( 70c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const std::string& types, FeatureInfo::Workarounds* workarounds) { 71c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(workarounds); 72c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) std::vector<std::string> pieces; 73c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::SplitString(types, ',', &pieces); 74c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) for (size_t i = 0; i < pieces.size(); ++i) { 75c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int number = 0; 76c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) bool succeed = base::StringToInt(pieces[i], &number); 77c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(succeed); 78c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) switch (number) { 79c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define GPU_OP(type, name) \ 80c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) case gpu::type: \ 81c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) workarounds->name = true; \ 82c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) break; 83c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP) 84c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#undef GPU_OP 85c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) default: 86c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) NOTIMPLEMENTED(); 87c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 88c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 89c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (workarounds->max_texture_size_limit_4096) 90c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) workarounds->max_texture_size = 4096; 91c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (workarounds->max_cube_map_texture_size_limit_4096) 92c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) workarounds->max_cube_map_texture_size = 4096; 93c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (workarounds->max_cube_map_texture_size_limit_1024) 94c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) workarounds->max_cube_map_texture_size = 1024; 95c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (workarounds->max_cube_map_texture_size_limit_512) 96c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) workarounds->max_cube_map_texture_size = 512; 97c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 98c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // anonymous namespace. 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FeatureInfo::FeatureFlags::FeatureFlags() 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : chromium_framebuffer_multisample(false), 103f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) use_core_framebuffer_multisample(false), 1047dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch multisampled_render_to_texture(false), 1057dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch use_img_for_multisampled_render_to_texture(false), 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) oes_standard_derivatives(false), 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) oes_egl_image_external(false), 10868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) oes_depth24(false), 109a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) oes_compressed_etc1_rgb8_texture(false), 110f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) packed_depth24_stencil8(false), 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) npot_ok(false), 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_float_linear(false), 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_half_float_linear(false), 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chromium_stream_texture(false), 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) angle_translated_shader_source(false), 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) angle_pack_reverse_row_order(false), 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) arb_texture_rectangle(false), 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) angle_instanced_arrays(false), 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) occlusion_query_boolean(false), 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) use_arb_occlusion_query2_for_occlusion_query_boolean(false), 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) use_arb_occlusion_query_for_occlusion_query_boolean(false), 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) native_vertex_array_object(false), 123a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ext_texture_format_bgra8888(false), 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) enable_shader_name_hashing(false), 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) enable_samplers(false), 126868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) ext_draw_buffers(false), 127a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch ext_frag_depth(false), 128424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) use_async_readpixels(false), 1290f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) map_buffer_range(false), 130f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ext_discard_framebuffer(false), 131f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) angle_depth_texture(false), 132f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) is_angle(false), 133a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) is_swiftshader(false), 134a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) angle_texture_usage(false), 135a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ext_texture_storage(false) { 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 138c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)FeatureInfo::Workarounds::Workarounds() : 139c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define GPU_OP(type, name) name(false), 140c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP) 141c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#undef GPU_OP 142c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) max_texture_size(0), 143c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) max_cube_map_texture_size(0) { 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FeatureInfo::FeatureInfo() { 14758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) InitializeBasicState(*CommandLine::ForCurrentProcess()); 14858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 14958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 15058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)FeatureInfo::FeatureInfo(const CommandLine& command_line) { 15158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) InitializeBasicState(command_line); 15258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 15358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 15458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)void FeatureInfo::InitializeBasicState(const CommandLine& command_line) { 15558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (command_line.HasSwitch(switches::kGpuDriverBugWorkarounds)) { 15658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) std::string types = command_line.GetSwitchValueASCII( 15758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) switches::kGpuDriverBugWorkarounds); 15858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) StringToWorkarounds(types, &workarounds_); 15958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 16058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) feature_flags_.enable_shader_name_hashing = 16158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) !command_line.HasSwitch(switches::kDisableShaderNameHashing); 16258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 163f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) feature_flags_.is_swiftshader = 164f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) (command_line.GetSwitchValueASCII(switches::kUseGL) == "swiftshader"); 165f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const GLenum kAlphaTypes[] = { 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_UNSIGNED_BYTE, 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const GLenum kRGBTypes[] = { 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_UNSIGNED_BYTE, 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_UNSIGNED_SHORT_5_6_5, 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const GLenum kRGBATypes[] = { 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_UNSIGNED_BYTE, 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_UNSIGNED_SHORT_4_4_4_4, 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_UNSIGNED_SHORT_5_5_5_1, 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const GLenum kLuminanceTypes[] = { 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_UNSIGNED_BYTE, 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const GLenum kLuminanceAlphaTypes[] = { 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_UNSIGNED_BYTE, 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const FormatInfo kFormatTypes[] = { 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { GL_ALPHA, kAlphaTypes, arraysize(kAlphaTypes), }, 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { GL_RGB, kRGBTypes, arraysize(kRGBTypes), }, 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { GL_RGBA, kRGBATypes, arraysize(kRGBATypes), }, 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { GL_LUMINANCE, kLuminanceTypes, arraysize(kLuminanceTypes), }, 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { GL_LUMINANCE_ALPHA, kLuminanceAlphaTypes, 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) arraysize(kLuminanceAlphaTypes), } , 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t ii = 0; ii < arraysize(kFormatTypes); ++ii) { 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const FormatInfo& info = kFormatTypes[ii]; 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ValueValidator<GLenum>& validator = texture_format_validators_[info.format]; 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t jj = 0; jj < info.count; ++jj) { 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validator.AddValue(info.types[jj]); 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)bool FeatureInfo::Initialize() { 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) disallowed_features_ = DisallowedFeatures(); 20358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) InitializeFeatures(); 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)bool FeatureInfo::Initialize(const DisallowedFeatures& disallowed_features) { 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) disallowed_features_ = disallowed_features; 20958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) InitializeFeatures(); 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 21358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)void FeatureInfo::InitializeFeatures() { 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Figure out what extensions to turn on. 2152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) StringSet extensions( 2162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS))); 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool npot_ok = false; 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 220f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const char* renderer_str = 221f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) reinterpret_cast<const char*>(glGetString(GL_RENDERER)); 222f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (renderer_str) { 223f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) feature_flags_.is_angle = StartsWithASCII(renderer_str, "ANGLE", true); 224f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 225f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 226f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) bool is_es3 = false; 227f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const char* version_str = 228f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) reinterpret_cast<const char*>(glGetString(GL_VERSION)); 229f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (version_str) { 230f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) std::string lstr(StringToLowerASCII(std::string(version_str))); 231f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) is_es3 = (lstr.substr(0, 12) == "opengl es 3."); 232f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 233f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_ANGLE_translated_shader_source"); 2352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AddExtensionString("GL_CHROMIUM_async_pixel_transfers"); 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_bind_uniform_location"); 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_command_buffer_query"); 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_command_buffer_latency_query"); 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_copy_texture"); 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_get_error_query"); 2412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AddExtensionString("GL_CHROMIUM_lose_context"); 2422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AddExtensionString("GL_CHROMIUM_pixel_transfer_buffer_object"); 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_rate_limit_offscreen_context"); 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_resize"); 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_resource_safe"); 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_strict_attribs"); 2472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AddExtensionString("GL_CHROMIUM_stream_texture"); 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_texture_mailbox"); 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_EXT_debug_marker"); 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 25190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) if (workarounds_.enable_chromium_fast_npot_mo8_textures) 2522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AddExtensionString("GL_CHROMIUM_fast_NPOT_MO8_textures"); 2532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) feature_flags_.chromium_stream_texture = true; 2552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // OES_vertex_array_object is emulated if not present natively, 2572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // so the extension string is always exposed. 2582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AddExtensionString("GL_OES_vertex_array_object"); 2592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!disallowed_features_.gpu_memory_manager) 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_gpu_memory_manager"); 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_ANGLE_translated_shader_source")) { 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.angle_translated_shader_source = true; 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check if we should allow GL_EXT_texture_compression_dxt1 and 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GL_EXT_texture_compression_s3tc. 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_dxt1 = false; 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_dxt3 = false; 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_dxt5 = false; 2722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool have_s3tc = extensions.Contains("GL_EXT_texture_compression_s3tc"); 2732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool have_dxt3 = 2742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) have_s3tc || extensions.Contains("GL_ANGLE_texture_compression_dxt3"); 2752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool have_dxt5 = 2762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) have_s3tc || extensions.Contains("GL_ANGLE_texture_compression_dxt5"); 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_EXT_texture_compression_dxt1") || have_s3tc) { 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_dxt1 = true; 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (have_dxt3) { 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_dxt3 = true; 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (have_dxt5) { 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_dxt5 = true; 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_dxt1) { 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_EXT_texture_compression_dxt1"); 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.compressed_texture_format.AddValue( 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_COMPRESSED_RGB_S3TC_DXT1_EXT); 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.compressed_texture_format.AddValue( 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_COMPRESSED_RGBA_S3TC_DXT1_EXT); 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_dxt3) { 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The difference between GL_EXT_texture_compression_s3tc and 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GL_CHROMIUM_texture_compression_dxt3 is that the former 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // requires on the fly compression. The latter does not. 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_texture_compression_dxt3"); 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.compressed_texture_format.AddValue( 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_COMPRESSED_RGBA_S3TC_DXT3_EXT); 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_dxt5) { 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The difference between GL_EXT_texture_compression_s3tc and 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GL_CHROMIUM_texture_compression_dxt5 is that the former 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // requires on the fly compression. The latter does not. 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_texture_compression_dxt5"); 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.compressed_texture_format.AddValue( 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_COMPRESSED_RGBA_S3TC_DXT5_EXT); 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check if we should enable GL_EXT_texture_filter_anisotropic. 3152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_EXT_texture_filter_anisotropic")) { 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_EXT_texture_filter_anisotropic"); 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_parameter.AddValue( 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_TEXTURE_MAX_ANISOTROPY_EXT); 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.g_l_state.AddValue( 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT); 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check if we should support GL_OES_packed_depth_stencil and/or 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GL_GOOGLE_depth_texture / GL_CHROMIUM_depth_texture. 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE: GL_OES_depth_texture requires support for depth cubemaps. 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GL_ARB_depth_texture requires other features that 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GL_OES_packed_depth_stencil does not provide. 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Therefore we made up GL_GOOGLE_depth_texture / GL_CHROMIUM_depth_texture. 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GL_GOOGLE_depth_texture is legacy. As we exposed it into NaCl we can't 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // get rid of it. 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_depth_texture = false; 33690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) if (!workarounds_.disable_depth_texture && 337c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) (extensions.Contains("GL_ARB_depth_texture") || 338c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) extensions.Contains("GL_OES_depth_texture") || 339f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) extensions.Contains("GL_ANGLE_depth_texture") || is_es3)) { 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_depth_texture = true; 341f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) feature_flags_.angle_depth_texture = 342f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) extensions.Contains("GL_ANGLE_depth_texture"); 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_depth_texture) { 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_depth_texture"); 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_GOOGLE_depth_texture"); 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_DEPTH_COMPONENT].AddValue(GL_UNSIGNED_SHORT); 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_DEPTH_COMPONENT].AddValue(GL_UNSIGNED_INT); 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format.AddValue(GL_DEPTH_COMPONENT); 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_format.AddValue(GL_DEPTH_COMPONENT); 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.pixel_type.AddValue(GL_UNSIGNED_SHORT); 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.pixel_type.AddValue(GL_UNSIGNED_INT); 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_EXT_packed_depth_stencil") || 357f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) extensions.Contains("GL_OES_packed_depth_stencil") || is_es3) { 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_packed_depth_stencil"); 359f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) feature_flags_.packed_depth24_stencil8 = true; 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_depth_texture) { 361f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) texture_format_validators_[GL_DEPTH_STENCIL] 362f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) .AddValue(GL_UNSIGNED_INT_24_8); 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format.AddValue(GL_DEPTH_STENCIL); 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_format.AddValue(GL_DEPTH_STENCIL); 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.pixel_type.AddValue(GL_UNSIGNED_INT_24_8); 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.render_buffer_format.AddValue(GL_DEPTH24_STENCIL8); 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_OES_vertex_array_object") || 3712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions.Contains("GL_ARB_vertex_array_object") || 3722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions.Contains("GL_APPLE_vertex_array_object")) { 3732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) feature_flags_.native_vertex_array_object = true; 3742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If we're using client_side_arrays we have to emulate 3772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // vertex array objects since vertex array objects do not work 3782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // with client side arrays. 3792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (workarounds_.use_client_side_arrays_for_stream_buffers) { 3802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) feature_flags_.native_vertex_array_object = false; 3812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_OES_element_index_uint") || 3842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::HasDesktopGLFeatures()) { 3852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AddExtensionString("GL_OES_element_index_uint"); 3862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) validators_.index_type.AddValue(GL_UNSIGNED_INT); 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_texture_format_bgra8888 = false; 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_read_format_bgra = false; 3918bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) bool enable_render_buffer_bgra = false; 3928bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check if we should allow GL_EXT_texture_format_BGRA8888 3942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_EXT_texture_format_BGRA8888") || 3952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions.Contains("GL_APPLE_texture_format_BGRA8888") || 3962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions.Contains("GL_EXT_bgra")) { 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_format_bgra8888 = true; 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_EXT_bgra")) { 4018bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) enable_render_buffer_bgra = true; 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_EXT_read_format_bgra") || 4052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions.Contains("GL_EXT_bgra")) { 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_read_format_bgra = true; 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_texture_format_bgra8888) { 410a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) feature_flags_.ext_texture_format_bgra8888 = true; 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_EXT_texture_format_BGRA8888"); 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_BGRA_EXT].AddValue(GL_UNSIGNED_BYTE); 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format.AddValue(GL_BGRA_EXT); 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_format.AddValue(GL_BGRA_EXT); 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_read_format_bgra) { 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_EXT_read_format_bgra"); 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.read_pixel_format.AddValue(GL_BGRA_EXT); 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4228bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) if (enable_render_buffer_bgra) { 4238bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) AddExtensionString("GL_CHROMIUM_renderbuffer_format_BGRA8888"); 4248bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) validators_.render_buffer_format.AddValue(GL_BGRA8_EXT); 4258bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) } 4268bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 4272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_OES_rgb8_rgba8") || gfx::HasDesktopGLFeatures()) { 4282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AddExtensionString("GL_OES_rgb8_rgba8"); 4292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) validators_.render_buffer_format.AddValue(GL_RGB8_OES); 4302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) validators_.render_buffer_format.AddValue(GL_RGBA8_OES); 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check if we should allow GL_OES_texture_npot 4342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_ARB_texture_non_power_of_two") || 4352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions.Contains("GL_OES_texture_npot")) { 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_texture_npot"); 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) npot_ok = true; 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check if we should allow GL_OES_texture_float, GL_OES_texture_half_float, 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GL_OES_texture_float_linear, GL_OES_texture_half_float_linear 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_texture_float = false; 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_texture_float_linear = false; 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_texture_half_float = false; 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_texture_half_float_linear = false; 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool have_arb_texture_float = extensions.Contains("GL_ARB_texture_float"); 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (have_arb_texture_float) { 4505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_float = true; 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_float_linear = true; 4525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_half_float = true; 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_half_float_linear = true; 4545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 4552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_OES_texture_float") || have_arb_texture_float) { 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_float = true; 4572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_OES_texture_float_linear") || 4582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) have_arb_texture_float) { 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_float_linear = true; 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_OES_texture_half_float") || 4632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) have_arb_texture_float) { 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_half_float = true; 4652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_OES_texture_half_float_linear") || 4662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) have_arb_texture_float) { 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_half_float_linear = true; 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_texture_float) { 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_ALPHA].AddValue(GL_FLOAT); 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_RGB].AddValue(GL_FLOAT); 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_RGBA].AddValue(GL_FLOAT); 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_LUMINANCE].AddValue(GL_FLOAT); 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_LUMINANCE_ALPHA].AddValue(GL_FLOAT); 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.pixel_type.AddValue(GL_FLOAT); 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.read_pixel_type.AddValue(GL_FLOAT); 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_texture_float"); 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_texture_float_linear) { 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_texture_float_linear"); 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_texture_half_float) { 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_ALPHA].AddValue(GL_HALF_FLOAT_OES); 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_RGB].AddValue(GL_HALF_FLOAT_OES); 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_RGBA].AddValue(GL_HALF_FLOAT_OES); 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_LUMINANCE].AddValue(GL_HALF_FLOAT_OES); 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_format_validators_[GL_LUMINANCE_ALPHA].AddValue(GL_HALF_FLOAT_OES); 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.pixel_type.AddValue(GL_HALF_FLOAT_OES); 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.read_pixel_type.AddValue(GL_HALF_FLOAT_OES); 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_texture_half_float"); 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_texture_half_float_linear) { 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_texture_half_float_linear"); 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check for multisample support 501f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (!disallowed_features_.multisampling && 502f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) !workarounds_.disable_framebuffer_multisample) { 5037dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch bool ext_has_multisample = 504f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) extensions.Contains("GL_EXT_framebuffer_multisample") || is_es3; 505f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (feature_flags_.is_angle) { 5067dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ext_has_multisample |= 507f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) extensions.Contains("GL_ANGLE_framebuffer_multisample"); 5087dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 509f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) feature_flags_.use_core_framebuffer_multisample = is_es3; 5107dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (ext_has_multisample) { 5117dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch feature_flags_.chromium_framebuffer_multisample = true; 5127dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch validators_.frame_buffer_target.AddValue(GL_READ_FRAMEBUFFER_EXT); 5137dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch validators_.frame_buffer_target.AddValue(GL_DRAW_FRAMEBUFFER_EXT); 5147dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch validators_.g_l_state.AddValue(GL_READ_FRAMEBUFFER_BINDING_EXT); 5157dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch validators_.g_l_state.AddValue(GL_MAX_SAMPLES_EXT); 5167dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch validators_.render_buffer_parameter.AddValue(GL_RENDERBUFFER_SAMPLES_EXT); 5177dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch AddExtensionString("GL_CHROMIUM_framebuffer_multisample"); 5187dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } else { 5197dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (extensions.Contains("GL_EXT_multisampled_render_to_texture")) { 5207dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch feature_flags_.multisampled_render_to_texture = true; 5217dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } else if (extensions.Contains("GL_IMG_multisampled_render_to_texture")) { 5227dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch feature_flags_.multisampled_render_to_texture = true; 5237dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch feature_flags_.use_img_for_multisampled_render_to_texture = true; 5247dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 5257dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (feature_flags_.multisampled_render_to_texture) { 5267dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch validators_.render_buffer_parameter.AddValue( 5277dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch GL_RENDERBUFFER_SAMPLES_EXT); 5287dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch validators_.g_l_state.AddValue(GL_MAX_SAMPLES_EXT); 5297dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch validators_.frame_buffer_parameter.AddValue( 5307dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT); 5317dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch AddExtensionString("GL_EXT_multisampled_render_to_texture"); 5327dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 5337dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 536f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (extensions.Contains("GL_OES_depth24") || gfx::HasDesktopGLFeatures() || 537f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) is_es3) { 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_depth24"); 53968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) feature_flags_.oes_depth24 = true; 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.render_buffer_format.AddValue(GL_DEPTH_COMPONENT24); 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 54390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) if (!workarounds_.disable_oes_standard_derivatives && 54490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) (extensions.Contains("GL_OES_standard_derivatives") || 54590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) gfx::HasDesktopGLFeatures())) { 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_standard_derivatives"); 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.oes_standard_derivatives = true; 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.hint_target.AddValue(GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES); 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.g_l_state.AddValue(GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES); 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_OES_EGL_image_external")) { 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_EGL_image_external"); 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.oes_egl_image_external = true; 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_bind_target.AddValue(GL_TEXTURE_EXTERNAL_OES); 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.get_tex_param_target.AddValue(GL_TEXTURE_EXTERNAL_OES); 5575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_parameter.AddValue(GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES); 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.g_l_state.AddValue(GL_TEXTURE_BINDING_EXTERNAL_OES); 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_OES_compressed_ETC1_RGB8_texture")) { 5625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_OES_compressed_ETC1_RGB8_texture"); 563a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) feature_flags_.oes_compressed_etc1_rgb8_texture = true; 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.compressed_texture_format.AddValue(GL_ETC1_RGB8_OES); 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ideally we would only expose this extension on Mac OS X, to 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // support GL_CHROMIUM_iosurface and the compositor. We don't want 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // applications to start using it; they should use ordinary non- 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // power-of-two textures. However, for unit testing purposes we 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // expose it on all supported platforms. 5722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_ARB_texture_rectangle")) { 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_ARB_texture_rectangle"); 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.arb_texture_rectangle = true; 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_bind_target.AddValue(GL_TEXTURE_RECTANGLE_ARB); 5765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For the moment we don't add this enum to the texture_target 5775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // validator. This implies that the only way to get image data into a 5785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // rectangular texture is via glTexImageIOSurface2DCHROMIUM, which is 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // just fine since again we don't want applications depending on this 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // extension. 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.get_tex_param_target.AddValue(GL_TEXTURE_RECTANGLE_ARB); 5825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.g_l_state.AddValue(GL_TEXTURE_BINDING_RECTANGLE_ARB); 5835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_MACOSX) 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IOSurfaceSupport::Initialize()) { 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_CHROMIUM_iosurface"); 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(gman): Add support for these extensions. 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GL_OES_depth32 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.enable_texture_float_linear |= enable_texture_float_linear; 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.enable_texture_half_float_linear |= 5965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enable_texture_half_float_linear; 5975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.npot_ok |= npot_ok; 5985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_ANGLE_pack_reverse_row_order")) { 6005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_ANGLE_pack_reverse_row_order"); 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.angle_pack_reverse_row_order = true; 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.pixel_store.AddValue(GL_PACK_REVERSE_ROW_ORDER_ANGLE); 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.g_l_state.AddValue(GL_PACK_REVERSE_ROW_ORDER_ANGLE); 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_ANGLE_texture_usage")) { 607a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) feature_flags_.angle_texture_usage = true; 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_ANGLE_texture_usage"); 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_parameter.AddValue(GL_TEXTURE_USAGE_ANGLE); 6105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (extensions.Contains("GL_EXT_texture_storage")) { 613a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) feature_flags_.ext_texture_storage = true; 6145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_EXT_texture_storage"); 6155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_parameter.AddValue(GL_TEXTURE_IMMUTABLE_FORMAT_EXT); 6165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_texture_format_bgra8888) 6175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue(GL_BGRA8_EXT); 6185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_texture_float) { 6195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue(GL_RGBA32F_EXT); 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue(GL_RGB32F_EXT); 6215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue(GL_ALPHA32F_EXT); 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue( 6235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_LUMINANCE32F_EXT); 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue( 6255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_LUMINANCE_ALPHA32F_EXT); 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enable_texture_half_float) { 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue(GL_RGBA16F_EXT); 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue(GL_RGB16F_EXT); 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue(GL_ALPHA16F_EXT); 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue( 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_LUMINANCE16F_EXT); 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.texture_internal_format_storage.AddValue( 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GL_LUMINANCE_ALPHA16F_EXT); 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool have_ext_occlusion_query_boolean = 6392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions.Contains("GL_EXT_occlusion_query_boolean"); 6402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool have_arb_occlusion_query2 = 6412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions.Contains("GL_ARB_occlusion_query2"); 6422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool have_arb_occlusion_query = 6432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions.Contains("GL_ARB_occlusion_query"); 6445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!workarounds_.disable_ext_occlusion_query && 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (have_ext_occlusion_query_boolean || 6475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) have_arb_occlusion_query2 || 6485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) have_arb_occlusion_query)) { 6495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_EXT_occlusion_query_boolean"); 6505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.occlusion_query_boolean = true; 6515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.use_arb_occlusion_query2_for_occlusion_query_boolean = 6525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !have_ext_occlusion_query_boolean && have_arb_occlusion_query2; 6535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.use_arb_occlusion_query_for_occlusion_query_boolean = 6545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !have_ext_occlusion_query_boolean && have_arb_occlusion_query && 6555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !have_arb_occlusion_query2; 6565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 658424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) if (!workarounds_.disable_angle_instanced_arrays && 659424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) (extensions.Contains("GL_ANGLE_instanced_arrays") || 660424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) (extensions.Contains("GL_ARB_instanced_arrays") && 661424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) extensions.Contains("GL_ARB_draw_instanced")))) { 6625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddExtensionString("GL_ANGLE_instanced_arrays"); 6635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) feature_flags_.angle_instanced_arrays = true; 6645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) validators_.vertex_attribute.AddValue(GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE); 6655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 667c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!workarounds_.disable_ext_draw_buffers && 668c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) (extensions.Contains("GL_ARB_draw_buffers") || 669c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) extensions.Contains("GL_EXT_draw_buffers"))) { 6702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AddExtensionString("GL_EXT_draw_buffers"); 6712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) feature_flags_.ext_draw_buffers = true; 6722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GLint max_color_attachments = 0; 6742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS_EXT, &max_color_attachments); 6752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (GLenum i = GL_COLOR_ATTACHMENT1_EXT; 6762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) i < static_cast<GLenum>(GL_COLOR_ATTACHMENT0 + max_color_attachments); 6772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++i) { 6782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) validators_.attachment.AddValue(i); 6792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) validators_.g_l_state.AddValue(GL_MAX_COLOR_ATTACHMENTS_EXT); 6822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) validators_.g_l_state.AddValue(GL_MAX_DRAW_BUFFERS_ARB); 6832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GLint max_draw_buffers = 0; 6842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) glGetIntegerv(GL_MAX_DRAW_BUFFERS_ARB, &max_draw_buffers); 6852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (GLenum i = GL_DRAW_BUFFER0_ARB; 6862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) i < static_cast<GLenum>(GL_DRAW_BUFFER0_ARB + max_draw_buffers); 6872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++i) { 6882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) validators_.g_l_state.AddValue(i); 6892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 692868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (extensions.Contains("GL_EXT_frag_depth") || gfx::HasDesktopGLFeatures()) { 693868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) AddExtensionString("GL_EXT_frag_depth"); 694868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) feature_flags_.ext_frag_depth = true; 695868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 696868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 697424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) bool ui_gl_fence_works = extensions.Contains("GL_NV_fence") || 698424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) extensions.Contains("GL_ARB_sync") || 699424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) extensions.Contains("EGL_KHR_fence_sync"); 700424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 701424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) feature_flags_.map_buffer_range = 702424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) is_es3 || extensions.Contains("GL_ARB_map_buffer_range"); 703424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 704424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // Really it's part of core OpenGL 2.1 and up, but let's assume the 705424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // extension is still advertised. 706424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) bool has_pixel_buffers = 707424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) is_es3 || extensions.Contains("GL_ARB_pixel_buffer_object"); 708424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 709424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // We will use either glMapBuffer() or glMapBufferRange() for async readbacks. 710424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) if (has_pixel_buffers && ui_gl_fence_works && 711424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) !workarounds_.disable_async_readpixels) { 712424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) feature_flags_.use_async_readpixels = true; 713424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) } 714424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 7152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (is_es3 || extensions.Contains("GL_ARB_sampler_objects")) { 7162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) feature_flags_.enable_samplers = true; 7172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(dsinclair): Add AddExtensionString("GL_CHROMIUM_sampler_objects") 7182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // when available. 7192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 72058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 721d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) if ((is_es3 || extensions.Contains("GL_EXT_discard_framebuffer")) && 722d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) !workarounds_.disable_ext_discard_framebuffer) { 72358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // DiscardFramebufferEXT is automatically bound to InvalidateFramebuffer. 72458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) AddExtensionString("GL_EXT_discard_framebuffer"); 7250f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) feature_flags_.ext_discard_framebuffer = true; 72658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 7275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void FeatureInfo::AddExtensionString(const std::string& str) { 7305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (extensions_.find(str) == std::string::npos) { 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) extensions_ += (extensions_.empty() ? "" : " ") + str; 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FeatureInfo::~FeatureInfo() { 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gles2 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gpu 740