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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "gpu/command_buffer/service/feature_info.h" | 5 #include "gpu/command_buffer/service/feature_info.h" |
6 | 6 |
7 #include <set> | 7 #include <set> |
8 | 8 |
9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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136 ext_shader_texture_lod(false), | 136 ext_shader_texture_lod(false), |
137 use_async_readpixels(false), | 137 use_async_readpixels(false), |
138 map_buffer_range(false), | 138 map_buffer_range(false), |
139 ext_discard_framebuffer(false), | 139 ext_discard_framebuffer(false), |
140 angle_depth_texture(false), | 140 angle_depth_texture(false), |
141 is_angle(false), | 141 is_angle(false), |
142 is_swiftshader(false), | 142 is_swiftshader(false), |
143 angle_texture_usage(false), | 143 angle_texture_usage(false), |
144 ext_texture_storage(false), | 144 ext_texture_storage(false), |
145 chromium_path_rendering(false), | 145 chromium_path_rendering(false), |
146 ext_blend_minmax(false) { | 146 ext_blend_minmax(false), |
147 blend_equation_advanced(false) { | |
147 } | 148 } |
148 | 149 |
149 FeatureInfo::Workarounds::Workarounds() : | 150 FeatureInfo::Workarounds::Workarounds() : |
150 #define GPU_OP(type, name) name(false), | 151 #define GPU_OP(type, name) name(false), |
151 GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP) | 152 GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP) |
152 #undef GPU_OP | 153 #undef GPU_OP |
153 max_texture_size(0), | 154 max_texture_size(0), |
154 max_cube_map_texture_size(0), | 155 max_cube_map_texture_size(0), |
155 max_fragment_uniform_vectors(0), | 156 max_fragment_uniform_vectors(0), |
156 max_varying_vectors(0), | 157 max_varying_vectors(0), |
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845 // DiscardFramebufferEXT is automatically bound to InvalidateFramebuffer. | 846 // DiscardFramebufferEXT is automatically bound to InvalidateFramebuffer. |
846 AddExtensionString("GL_EXT_discard_framebuffer"); | 847 AddExtensionString("GL_EXT_discard_framebuffer"); |
847 feature_flags_.ext_discard_framebuffer = true; | 848 feature_flags_.ext_discard_framebuffer = true; |
848 } | 849 } |
849 | 850 |
850 if (ui_gl_fence_works) { | 851 if (ui_gl_fence_works) { |
851 AddExtensionString("GL_CHROMIUM_sync_query"); | 852 AddExtensionString("GL_CHROMIUM_sync_query"); |
852 feature_flags_.chromium_sync_query = true; | 853 feature_flags_.chromium_sync_query = true; |
853 } | 854 } |
854 | 855 |
856 bool blend_equation_advanced_coherent = | |
857 extensions.Contains("GL_NV_blend_equation_advanced_coherent") || | |
858 extensions.Contains("GL_KHR_blend_equation_advanced_coherent"); | |
859 | |
860 if (blend_equation_advanced_coherent || | |
861 extensions.Contains("GL_NV_blend_equation_advanced") || | |
862 extensions.Contains("GL_KHR_blend_equation_advanced")) { | |
863 const GLenum equations[] = {GL_MULTIPLY_KHR, | |
864 GL_SCREEN_KHR, | |
865 GL_OVERLAY_KHR, | |
866 GL_DARKEN_KHR, | |
867 GL_LIGHTEN_KHR, | |
868 GL_COLORDODGE_KHR, | |
869 GL_COLORBURN_KHR, | |
870 GL_HARDLIGHT_KHR, | |
871 GL_SOFTLIGHT_KHR, | |
872 GL_DIFFERENCE_KHR, | |
873 GL_EXCLUSION_KHR, | |
874 GL_HSL_HUE_KHR, | |
875 GL_HSL_SATURATION_KHR, | |
876 GL_HSL_COLOR_KHR, | |
877 GL_HSL_LUMINOSITY_KHR}; | |
878 | |
879 for (GLenum equation : equations) | |
880 validators_.equation.AddValue(equation); | |
881 if (blend_equation_advanced_coherent) | |
882 AddExtensionString("GL_KHR_blend_equation_advanced_coherent"); | |
piman
2014/10/17 21:36:29
nit: indent wrong (should be +2)
Erik Dahlström (inactive)
2014/10/20 15:32:21
Done.
| |
883 else | |
884 AddExtensionString("GL_KHR_blend_equation_advanced"); | |
piman
2014/10/17 21:36:29
We should add this one either way.
Erik Dahlström (inactive)
2014/10/20 15:32:21
Done.
| |
885 | |
886 feature_flags_.blend_equation_advanced = true; | |
887 feature_flags_.blend_equation_advanced_coherent = | |
888 blend_equation_advanced_coherent; | |
889 } | |
890 | |
855 if (extensions.Contains("GL_NV_path_rendering")) { | 891 if (extensions.Contains("GL_NV_path_rendering")) { |
856 if (extensions.Contains("GL_EXT_direct_state_access") || is_es3) { | 892 if (extensions.Contains("GL_EXT_direct_state_access") || is_es3) { |
857 AddExtensionString("GL_CHROMIUM_path_rendering"); | 893 AddExtensionString("GL_CHROMIUM_path_rendering"); |
858 feature_flags_.chromium_path_rendering = true; | 894 feature_flags_.chromium_path_rendering = true; |
859 validators_.g_l_state.AddValue(GL_PATH_MODELVIEW_MATRIX_CHROMIUM); | 895 validators_.g_l_state.AddValue(GL_PATH_MODELVIEW_MATRIX_CHROMIUM); |
860 validators_.g_l_state.AddValue(GL_PATH_PROJECTION_MATRIX_CHROMIUM); | 896 validators_.g_l_state.AddValue(GL_PATH_PROJECTION_MATRIX_CHROMIUM); |
861 } | 897 } |
862 } | 898 } |
863 } | 899 } |
864 | 900 |
865 void FeatureInfo::AddExtensionString(const char* s) { | 901 void FeatureInfo::AddExtensionString(const char* s) { |
866 std::string str(s); | 902 std::string str(s); |
867 size_t pos = extensions_.find(str); | 903 size_t pos = extensions_.find(str); |
868 while (pos != std::string::npos && | 904 while (pos != std::string::npos && |
869 pos + str.length() < extensions_.length() && | 905 pos + str.length() < extensions_.length() && |
870 extensions_.substr(pos + str.length(), 1) != " ") { | 906 extensions_.substr(pos + str.length(), 1) != " ") { |
871 // This extension name is a substring of another. | 907 // This extension name is a substring of another. |
872 pos = extensions_.find(str, pos + str.length()); | 908 pos = extensions_.find(str, pos + str.length()); |
873 } | 909 } |
874 if (pos == std::string::npos) { | 910 if (pos == std::string::npos) { |
875 extensions_ += (extensions_.empty() ? "" : " ") + str; | 911 extensions_ += (extensions_.empty() ? "" : " ") + str; |
876 } | 912 } |
877 } | 913 } |
878 | 914 |
879 FeatureInfo::~FeatureInfo() { | 915 FeatureInfo::~FeatureInfo() { |
880 } | 916 } |
881 | 917 |
882 } // namespace gles2 | 918 } // namespace gles2 |
883 } // namespace gpu | 919 } // namespace gpu |
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