APIs which took colorPOI / coveragePOI pairs updated to take a GrPipelineOptimizations struct

src/gpu/effects/GrCustomXfermode.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "effects/GrCustomXfermode.h"
 
 #include "GrCoordTransform.h"
 #include "GrContext.h"
 #include "GrFragmentProcessor.h"
 #include "GrInvariantOutput.h"
+#include "GrPipeline.h"
 #include "GrProcessor.h"
 #include "GrTexture.h"
 #include "GrTextureAccess.h"
 #include "SkXfermode.h"
 #include "glsl/GrGLSLBlend.h"
 #include "glsl/GrGLSLCaps.h"
 #include "glsl/GrGLSLFragmentProcessor.h"
 #include "glsl/GrGLSLFragmentShaderBuilder.h"
 #include "glsl/GrGLSLProgramBuilder.h"
 #include "glsl/GrGLSLProgramDataManager.h"
@@ skipping 68 matching lines @@
 
     SkXfermode::Mode mode() const { return fMode; }
     bool hasHWBlendEquation() const { return -1 != static_cast<int>(fHWBlendEquation); }
 
     GrBlendEquation hwBlendEquation() const {
         SkASSERT(this->hasHWBlendEquation());
         return fHWBlendEquation;
     }
 
 private:
-    GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                                 const GrProcOptInfo& coveragePOI,
+    GrXferProcessor::OptFlags onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                                  bool doesStencilWrite,
                                                  GrColor* overrideColor,
                                                  const GrCaps& caps) override;
 
     void onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const override;
 
     GrXferBarrierType onXferBarrier(const GrRenderTarget*, const GrCaps&) const override;
 
     void onGetBlendInfo(BlendInfo*) const override;
 
@@ skipping 71 matching lines @@
 GrGLSLXferProcessor* CustomXP::createGLSLInstance() const {
     SkASSERT(this->willReadDstColor() != this->hasHWBlendEquation());
     return new GLCustomXP(*this);
 }
 
 bool CustomXP::onIsEqual(const GrXferProcessor& other) const {
     const CustomXP& s = other.cast<CustomXP>();
     return fMode == s.fMode && fHWBlendEquation == s.fHWBlendEquation;
 }
 
-GrXferProcessor::OptFlags CustomXP::onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                                       const GrProcOptInfo& coveragePOI,
+GrXferProcessor::OptFlags CustomXP::onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                                        bool doesStencilWrite,
                                                        GrColor* overrideColor,
                                                        const GrCaps& caps) {
   /*
     Most the optimizations we do here are based on tweaking alpha for coverage.
 
     The general SVG blend equation is defined in the spec as follows:
 
       Dca' = B(Sc, Dc) * Sa * Da + Y * Sca * (1-Da) + Z * Dca * (1-Sa)
       Da'  = X * Sa * Da + Y * Sa * (1-Da) + Z * Da * (1-Sa)
@@ skipping 80 matching lines @@
 
       f * blend(Sa, Da) + (1-f) * Da
         = f * (Sa + Da - Sa * Da) + (1-f) * Da
         = f*Sa + f*Da - f*Sa * Da + Da - f*Da
         = f*Sa - f*Sa * Da + Da
         = f*Sa + Da - f*Sa * Da
         = blend(f*Sa, Da)
    */
 
     OptFlags flags = kNone_OptFlags;
-    if (colorPOI.allStagesMultiplyInput()) {
+    if (optimizations.fColorPOI.allStagesMultiplyInput()) {
         flags |= kCanTweakAlphaForCoverage_OptFlag;
     }
-    if (this->hasHWBlendEquation() && coveragePOI.isSolidWhite()) {
+    if (this->hasHWBlendEquation() && optimizations.fCoveragePOI.isSolidWhite()) {
         flags |= kIgnoreCoverage_OptFlag;
     }
     return flags;
 }
 
 GrXferBarrierType CustomXP::onXferBarrier(const GrRenderTarget* rt, const GrCaps& caps) const {
     if (this->hasHWBlendEquation() && !caps.advancedCoherentBlendEquationSupport()) {
         return kBlend_GrXferBarrierType;
     }
     return kNone_GrXferBarrierType;
 }
 
 void CustomXP::onGetBlendInfo(BlendInfo* blendInfo) const {
     if (this->hasHWBlendEquation()) {
         blendInfo->fEquation = this->hwBlendEquation();
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 class CustomXPFactory : public GrXPFactory {
 public:
     CustomXPFactory(SkXfermode::Mode mode);
 
     void getInvariantBlendedColor(const GrProcOptInfo& colorPOI,
                                   GrXPFactory::InvariantBlendedColor*) const override;
 
 private:
     GrXferProcessor* onCreateXferProcessor(const GrCaps& caps,
-                                           const GrProcOptInfo& colorPOI,
-                                           const GrProcOptInfo& coveragePOI,
+                                           const GrPipelineOptimizations& optimizations,
                                            bool hasMixedSamples,
                                            const DstTexture*) const override;
 
     bool willReadDstColor(const GrCaps& caps,
-                          const GrProcOptInfo& colorPOI,
-                          const GrProcOptInfo& coveragePOI,
+                          const GrPipelineOptimizations& optimizations,
                           bool hasMixedSamples) const override;
 
     bool onIsEqual(const GrXPFactory& xpfBase) const override {
         const CustomXPFactory& xpf = xpfBase.cast<CustomXPFactory>();
         return fMode == xpf.fMode;
     }
 
     GR_DECLARE_XP_FACTORY_TEST;
 
     SkXfermode::Mode fMode;
     GrBlendEquation  fHWBlendEquation;
 
     typedef GrXPFactory INHERITED;
 };
 
 CustomXPFactory::CustomXPFactory(SkXfermode::Mode mode)
     : fMode(mode),
       fHWBlendEquation(hw_blend_equation(mode)) {
     SkASSERT(GrCustomXfermode::IsSupportedMode(fMode));
     this->initClassID<CustomXPFactory>();
 }
 
 GrXferProcessor* CustomXPFactory::onCreateXferProcessor(const GrCaps& caps,
-                                                        const GrProcOptInfo& colorPOI,
-                                                        const GrProcOptInfo& coveragePOI,
+                                                        const GrPipelineOptimizations& opt,
                                                         bool hasMixedSamples,
                                                         const DstTexture* dstTexture) const {
-    if (can_use_hw_blend_equation(fHWBlendEquation, coveragePOI, caps)) {
+    if (can_use_hw_blend_equation(fHWBlendEquation, opt.fCoveragePOI, caps)) {
         SkASSERT(!dstTexture || !dstTexture->texture());
         return new CustomXP(fMode, fHWBlendEquation);
     }
     return new CustomXP(dstTexture, hasMixedSamples, fMode);
 }
 
 bool CustomXPFactory::willReadDstColor(const GrCaps& caps,
-                                       const GrProcOptInfo& colorPOI,
-                                       const GrProcOptInfo& coveragePOI,
+                                       const GrPipelineOptimizations& optimizations,
                                        bool hasMixedSamples) const {
-    return !can_use_hw_blend_equation(fHWBlendEquation, coveragePOI, caps);
+    return !can_use_hw_blend_equation(fHWBlendEquation, optimizations.fCoveragePOI, caps);
 }
 
 void CustomXPFactory::getInvariantBlendedColor(const GrProcOptInfo& colorPOI,
                                                InvariantBlendedColor* blendedColor) const {
     blendedColor->fWillBlendWithDst = true;
     blendedColor->fKnownColorFlags = kNone_GrColorComponentFlags;
 }
 
 GR_DEFINE_XP_FACTORY_TEST(CustomXPFactory);
 const GrXPFactory* CustomXPFactory::TestCreate(GrProcessorTestData* d) {
     int mode = d->fRandom->nextRangeU(SkXfermode::kLastCoeffMode + 1,
                                       SkXfermode::kLastSeparableMode);
 
     return new CustomXPFactory(static_cast<SkXfermode::Mode>(mode));
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GrXPFactory* GrCustomXfermode::CreateXPFactory(SkXfermode::Mode mode) {
     if (!GrCustomXfermode::IsSupportedMode(mode)) {
         return nullptr;
     } else {
         return new CustomXPFactory(mode);
     }
 }