Index: src/gpu/gl/GrGLCaps.cpp |
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp |
index b7e61aa172de193a99c55d309facb47db362fa2a..9a185be72d698765b987d4962963c1a60cf27727 100644 |
--- a/src/gpu/gl/GrGLCaps.cpp |
+++ b/src/gpu/gl/GrGLCaps.cpp |
@@ -65,6 +65,42 @@ |
GrGLVersion version = ctxInfo.version(); |
/************************************************************************** |
+ * Caps specific to GrGLSLCaps |
+ **************************************************************************/ |
+ |
+ GrGLSLCaps* glslCaps = static_cast<GrGLSLCaps*>(fShaderCaps.get()); |
+ glslCaps->fGLSLGeneration = ctxInfo.glslGeneration(); |
+ |
+ if (kGLES_GrGLStandard == standard) { |
+ if (ctxInfo.hasExtension("GL_EXT_shader_framebuffer_fetch")) { |
+ glslCaps->fFBFetchNeedsCustomOutput = (version >= GR_GL_VER(3, 0)); |
+ glslCaps->fFBFetchSupport = true; |
+ glslCaps->fFBFetchColorName = "gl_LastFragData[0]"; |
+ glslCaps->fFBFetchExtensionString = "GL_EXT_shader_framebuffer_fetch"; |
+ } |
+ else if (ctxInfo.hasExtension("GL_NV_shader_framebuffer_fetch")) { |
+ // Actually, we haven't seen an ES3.0 device with this extension yet, so we don't know |
+ glslCaps->fFBFetchNeedsCustomOutput = false; |
+ glslCaps->fFBFetchSupport = true; |
+ glslCaps->fFBFetchColorName = "gl_LastFragData[0]"; |
+ glslCaps->fFBFetchExtensionString = "GL_NV_shader_framebuffer_fetch"; |
+ } |
+ else if (ctxInfo.hasExtension("GL_ARM_shader_framebuffer_fetch")) { |
+ // The arm extension also requires an additional flag which we will set onResetContext |
+ glslCaps->fFBFetchNeedsCustomOutput = false; |
+ glslCaps->fFBFetchSupport = true; |
+ glslCaps->fFBFetchColorName = "gl_LastFragColorARM"; |
+ glslCaps->fFBFetchExtensionString = "GL_ARM_shader_framebuffer_fetch"; |
+ } |
+ glslCaps->fUsesPrecisionModifiers = true; |
+ } |
+ |
+ glslCaps->fBindlessTextureSupport = ctxInfo.hasExtension("GL_NV_bindless_texture"); |
+ |
+ // Adreno GPUs have a tendency to drop tiles when there is a divide-by-zero in a shader |
+ glslCaps->fDropsTileOnZeroDivide = kQualcomm_GrGLVendor == ctxInfo.vendor(); |
+ |
+ /************************************************************************** |
* Caps specific to GrGLCaps |
**************************************************************************/ |
@@ -283,6 +319,51 @@ |
#endif |
/************************************************************************** |
+ * GrShaderCaps fields |
+ **************************************************************************/ |
+ |
+ glslCaps->fPathRenderingSupport = this->hasPathRenderingSupport(ctxInfo, gli); |
+ |
+ // For now these two are equivalent but we could have dst read in shader via some other method |
+ glslCaps->fDstReadInShaderSupport = glslCaps->fFBFetchSupport; |
+ |
+ // Enable supported shader-related caps |
+ if (kGL_GrGLStandard == standard) { |
+ glslCaps->fDualSourceBlendingSupport = (ctxInfo.version() >= GR_GL_VER(3, 3) || |
+ ctxInfo.hasExtension("GL_ARB_blend_func_extended")) && |
+ GrGLSLSupportsNamedFragmentShaderOutputs(ctxInfo.glslGeneration()); |
+ glslCaps->fShaderDerivativeSupport = true; |
+ // we don't support GL_ARB_geometry_shader4, just GL 3.2+ GS |
+ glslCaps->fGeometryShaderSupport = ctxInfo.version() >= GR_GL_VER(3, 2) && |
+ ctxInfo.glslGeneration() >= k150_GrGLSLGeneration; |
+ } |
+ else { |
+ glslCaps->fDualSourceBlendingSupport = ctxInfo.hasExtension("GL_EXT_blend_func_extended"); |
+ |
+ glslCaps->fShaderDerivativeSupport = ctxInfo.version() >= GR_GL_VER(3, 0) || |
+ ctxInfo.hasExtension("GL_OES_standard_derivatives"); |
+ } |
+ |
+ // We need dual source blending and the ability to disable multisample in order to support mixed |
+ // samples in every corner case. |
+ if (fMultisampleDisableSupport && glslCaps->fDualSourceBlendingSupport) { |
+ // We understand "mixed samples" to mean the collective capability of 3 different extensions |
+ glslCaps->fMixedSamplesSupport = |
+ ctxInfo.hasExtension("GL_NV_framebuffer_mixed_samples") && |
+ ctxInfo.hasExtension("GL_NV_sample_mask_override_coverage") && |
+ ctxInfo.hasExtension("GL_EXT_raster_multisample"); |
+ } |
+ // Workaround NVIDIA bug related to glInvalidateFramebuffer and mixed samples. |
+ if (kNVIDIA_GrGLDriver == ctxInfo.driver() && fShaderCaps->mixedSamplesSupport()) { |
+ fDiscardRenderTargetSupport = false; |
+ fInvalidateFBType = kNone_InvalidateFBType; |
+ } |
+ glslCaps->fProgrammableSampleLocationsSupport = |
+ ctxInfo.hasExtension("GL_NV_sample_locations") || |
+ ctxInfo.hasExtension("GL_ARB_sample_locations"); |
+ |
+ |
+ /************************************************************************** |
* GrCaps fields |
**************************************************************************/ |
@@ -432,154 +513,12 @@ |
ctxInfo.hasExtension("GL_EXT_instanced_arrays")); |
} |
- GrGLSLCaps* glslCaps = static_cast<GrGLSLCaps*>(fShaderCaps.get()); |
- |
this->initConfigTexturableTable(ctxInfo, gli, srgbSupport); |
this->initConfigRenderableTable(ctxInfo, srgbSupport); |
this->initShaderPrecisionTable(ctxInfo, gli, glslCaps); |
this->applyOptionsOverrides(contextOptions); |
glslCaps->applyOptionsOverrides(contextOptions); |
-} |
- |
-const char* get_glsl_version_decl_string(const GrGLContextInfo& info) { |
- switch (info.glslGeneration()) { |
- case k110_GrGLSLGeneration: |
- if (kGLES_GrGLStandard == info.standard()) { |
- // ES2s shader language is based on version 1.20 but is version |
- // 1.00 of the ES language. |
- return "#version 100\n"; |
- } else { |
- SkASSERT(kGL_GrGLStandard == info.standard()); |
- return "#version 110\n"; |
- } |
- case k130_GrGLSLGeneration: |
- SkASSERT(kGL_GrGLStandard == info.standard()); |
- return "#version 130\n"; |
- case k140_GrGLSLGeneration: |
- SkASSERT(kGL_GrGLStandard == info.standard()); |
- return "#version 140\n"; |
- case k150_GrGLSLGeneration: |
- SkASSERT(kGL_GrGLStandard == info.standard()); |
- if (info.caps()->isCoreProfile()) { |
- return "#version 150\n"; |
- } else { |
- return "#version 150 compatibility\n"; |
- } |
- case k330_GrGLSLGeneration: |
- if (kGLES_GrGLStandard == info.standard()) { |
- return "#version 300 es\n"; |
- } else { |
- SkASSERT(kGL_GrGLStandard == info.standard()); |
- if (info.caps()->isCoreProfile()) { |
- return "#version 330\n"; |
- } else { |
- return "#version 330 compatibility\n"; |
- } |
- } |
- case k310es_GrGLSLGeneration: |
- SkASSERT(kGLES_GrGLStandard == info.standard()); |
- return "#version 310 es\n"; |
- } |
- return "<no version>"; |
-} |
- |
-void GrGLCaps::initGLSL(const GrContextOptions& contextOptions, |
- const GrGLContextInfo& ctxInfo, |
- const GrGLInterface* gli) { |
- GrGLStandard standard = ctxInfo.standard(); |
- GrGLVersion version = ctxInfo.version(); |
- |
- /************************************************************************** |
- * Caps specific to GrGLSLCaps |
- **************************************************************************/ |
- |
- GrGLSLCaps* glslCaps = static_cast<GrGLSLCaps*>(fShaderCaps.get()); |
- glslCaps->fGLSLGeneration = ctxInfo.glslGeneration(); |
- |
- if (kGLES_GrGLStandard == standard) { |
- if (ctxInfo.hasExtension("GL_EXT_shader_framebuffer_fetch")) { |
- glslCaps->fFBFetchNeedsCustomOutput = (version >= GR_GL_VER(3, 0)); |
- glslCaps->fFBFetchSupport = true; |
- glslCaps->fFBFetchColorName = "gl_LastFragData[0]"; |
- glslCaps->fFBFetchExtensionString = "GL_EXT_shader_framebuffer_fetch"; |
- } |
- else if (ctxInfo.hasExtension("GL_NV_shader_framebuffer_fetch")) { |
- // Actually, we haven't seen an ES3.0 device with this extension yet, so we don't know |
- glslCaps->fFBFetchNeedsCustomOutput = false; |
- glslCaps->fFBFetchSupport = true; |
- glslCaps->fFBFetchColorName = "gl_LastFragData[0]"; |
- glslCaps->fFBFetchExtensionString = "GL_NV_shader_framebuffer_fetch"; |
- } |
- else if (ctxInfo.hasExtension("GL_ARM_shader_framebuffer_fetch")) { |
- // The arm extension also requires an additional flag which we will set onResetContext |
- glslCaps->fFBFetchNeedsCustomOutput = false; |
- glslCaps->fFBFetchSupport = true; |
- glslCaps->fFBFetchColorName = "gl_LastFragColorARM"; |
- glslCaps->fFBFetchExtensionString = "GL_ARM_shader_framebuffer_fetch"; |
- } |
- glslCaps->fUsesPrecisionModifiers = true; |
- } |
- |
- glslCaps->fBindlessTextureSupport = ctxInfo.hasExtension("GL_NV_bindless_texture"); |
- |
- // Adreno GPUs have a tendency to drop tiles when there is a divide-by-zero in a shader |
- glslCaps->fDropsTileOnZeroDivide = kQualcomm_GrGLVendor == ctxInfo.vendor(); |
- |
- // On the NexusS and GalaxyNexus, the use of 'any' causes the compilation error "Calls to any |
- // function that may require a gradient calculation inside a conditional block may return |
- // undefined results". This appears to be an issue with the 'any' call since even the simple |
- // "result=black; if (any()) result=white;" code fails to compile. This issue comes into play |
- // from our GrTextureDomain processor. |
- glslCaps->fCanUseAnyFunctionInShader = kImagination_GrGLVendor != ctxInfo.vendor(); |
- |
- glslCaps->fForceHighPrecisionNDSTransform = kARM_GrGLVendor != ctxInfo.vendor(); |
- |
- glslCaps->fVersionDeclString = get_glsl_version_decl_string(ctxInfo); |
- |
- /************************************************************************** |
- * GrShaderCaps fields |
- **************************************************************************/ |
- |
- glslCaps->fPathRenderingSupport = this->hasPathRenderingSupport(ctxInfo, gli); |
- |
- // For now these two are equivalent but we could have dst read in shader via some other method |
- glslCaps->fDstReadInShaderSupport = glslCaps->fFBFetchSupport; |
- |
- // Enable supported shader-related caps |
- if (kGL_GrGLStandard == standard) { |
- glslCaps->fDualSourceBlendingSupport = (ctxInfo.version() >= GR_GL_VER(3, 3) || |
- ctxInfo.hasExtension("GL_ARB_blend_func_extended")) && |
- GrGLSLSupportsNamedFragmentShaderOutputs(ctxInfo.glslGeneration()); |
- glslCaps->fShaderDerivativeSupport = true; |
- // we don't support GL_ARB_geometry_shader4, just GL 3.2+ GS |
- glslCaps->fGeometryShaderSupport = ctxInfo.version() >= GR_GL_VER(3, 2) && |
- ctxInfo.glslGeneration() >= k150_GrGLSLGeneration; |
- } |
- else { |
- glslCaps->fDualSourceBlendingSupport = ctxInfo.hasExtension("GL_EXT_blend_func_extended"); |
- |
- glslCaps->fShaderDerivativeSupport = ctxInfo.version() >= GR_GL_VER(3, 0) || |
- ctxInfo.hasExtension("GL_OES_standard_derivatives"); |
- } |
- |
- // We need dual source blending and the ability to disable multisample in order to support mixed |
- // samples in every corner case. |
- if (fMultisampleDisableSupport && glslCaps->fDualSourceBlendingSupport) { |
- // We understand "mixed samples" to mean the collective capability of 3 different extensions |
- glslCaps->fMixedSamplesSupport = |
- ctxInfo.hasExtension("GL_NV_framebuffer_mixed_samples") && |
- ctxInfo.hasExtension("GL_NV_sample_mask_override_coverage") && |
- ctxInfo.hasExtension("GL_EXT_raster_multisample"); |
- } |
- // Workaround NVIDIA bug related to glInvalidateFramebuffer and mixed samples. |
- if (kNVIDIA_GrGLDriver == ctxInfo.driver() && fShaderCaps->mixedSamplesSupport()) { |
- fDiscardRenderTargetSupport = false; |
- fInvalidateFBType = kNone_InvalidateFBType; |
- } |
- glslCaps->fProgrammableSampleLocationsSupport = |
- ctxInfo.hasExtension("GL_NV_sample_locations") || |
- ctxInfo.hasExtension("GL_ARB_sample_locations"); |
} |
bool GrGLCaps::hasPathRenderingSupport(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) { |