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

TBR=bsalomon@google.com

Review URL: https://codereview.chromium.org/1480353002
diff --git a/src/gpu/effects/GrCoverageSetOpXP.cpp b/src/gpu/effects/GrCoverageSetOpXP.cpp
index bcdb6d8..c7226fc 100644
--- a/src/gpu/effects/GrCoverageSetOpXP.cpp
+++ b/src/gpu/effects/GrCoverageSetOpXP.cpp
@@ -32,8 +32,7 @@
 private:
     CoverageSetOpXP(SkRegion::Op regionOp, bool fInvertCoverage);
 
-    GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                                 const GrProcOptInfo& coveragePOI,
+    GrXferProcessor::OptFlags onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                                  bool doesStencilWrite,
                                                  GrColor* color,
                                                  const GrCaps& caps) override;
@@ -107,8 +106,7 @@
 }
 
 GrXferProcessor::OptFlags
-CoverageSetOpXP::onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                    const GrProcOptInfo& coveragePOI,
+CoverageSetOpXP::onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                     bool doesStencilWrite,
                                     GrColor* color,
                                     const GrCaps& caps) {
@@ -223,8 +221,7 @@
 
 GrXferProcessor*
 GrCoverageSetOpXPFactory::onCreateXferProcessor(const GrCaps& caps,
-                                                const GrProcOptInfo& colorPOI,
-                                                const GrProcOptInfo& covPOI,
+                                                const GrPipelineOptimizations& optimizations,
                                                 bool hasMixedSamples,
                                                 const DstTexture* dst) const {
     // We don't support inverting coverage with mixed samples. We don't expect to ever want this in
diff --git a/src/gpu/effects/GrCustomXfermode.cpp b/src/gpu/effects/GrCustomXfermode.cpp
index 90ab030..9de178d 100644
--- a/src/gpu/effects/GrCustomXfermode.cpp
+++ b/src/gpu/effects/GrCustomXfermode.cpp
@@ -11,6 +11,7 @@
 #include "GrContext.h"
 #include "GrFragmentProcessor.h"
 #include "GrInvariantOutput.h"
+#include "GrPipeline.h"
 #include "GrProcessor.h"
 #include "GrTexture.h"
 #include "GrTextureAccess.h"
@@ -99,8 +100,7 @@
     }
 
 private:
-    GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                                 const GrProcOptInfo& coveragePOI,
+    GrXferProcessor::OptFlags onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                                  bool doesStencilWrite,
                                                  GrColor* overrideColor,
                                                  const GrCaps& caps) override;
@@ -192,8 +192,7 @@
     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) {
@@ -294,10 +293,10 @@
    */
 
     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;
@@ -326,14 +325,12 @@
 
 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 {
@@ -357,11 +354,10 @@
 }
 
 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);
     }
@@ -369,10 +365,9 @@
 }
 
 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,
diff --git a/src/gpu/effects/GrDisableColorXP.cpp b/src/gpu/effects/GrDisableColorXP.cpp
index 2a0de5f..abeaa8c 100644
--- a/src/gpu/effects/GrDisableColorXP.cpp
+++ b/src/gpu/effects/GrDisableColorXP.cpp
@@ -29,8 +29,7 @@
 private:
     DisableColorXP();
 
-    GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                                 const GrProcOptInfo& coveragePOI,
+    GrXferProcessor::OptFlags onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                                  bool doesStencilWrite,
                                                  GrColor* color,
                                                  const GrCaps& caps) override {
@@ -96,8 +95,7 @@
 
 GrXferProcessor*
 GrDisableColorXPFactory::onCreateXferProcessor(const GrCaps& caps,
-                                               const GrProcOptInfo& colorPOI,
-                                               const GrProcOptInfo& covPOI,
+                                               const GrPipelineOptimizations& optimizations,
                                                bool hasMixedSamples,
                                                const DstTexture* dst) const {
     return DisableColorXP::Create();
diff --git a/src/gpu/effects/GrDisableColorXP.h b/src/gpu/effects/GrDisableColorXP.h
index a79dd9b..94aae31 100644
--- a/src/gpu/effects/GrDisableColorXP.h
+++ b/src/gpu/effects/GrDisableColorXP.h
@@ -27,14 +27,12 @@
     GrDisableColorXPFactory();
 
     GrXferProcessor* onCreateXferProcessor(const GrCaps& caps,
-                                           const GrProcOptInfo& colorPOI,
-                                           const GrProcOptInfo& coveragePOI,
+                                           const GrPipelineOptimizations& optimizations,
                                            bool hasMixedSamples,
                                            const DstTexture* dstTexture) const override;
 
     bool willReadDstColor(const GrCaps& caps,
-                          const GrProcOptInfo& colorPOI,
-                          const GrProcOptInfo& coveragePOI,
+                          const GrPipelineOptimizations& optimizations,
                           bool hasMixedSamples) const override {
         return false;
     }
diff --git a/src/gpu/effects/GrPorterDuffXferProcessor.cpp b/src/gpu/effects/GrPorterDuffXferProcessor.cpp
index 2323c67..88275c2 100644
--- a/src/gpu/effects/GrPorterDuffXferProcessor.cpp
+++ b/src/gpu/effects/GrPorterDuffXferProcessor.cpp
@@ -9,6 +9,7 @@
 
 #include "GrBlend.h"
 #include "GrCaps.h"
+#include "GrPipeline.h"
 #include "GrProcessor.h"
 #include "GrProcOptInfo.h"
 #include "GrTypes.h"
@@ -352,8 +353,7 @@
     BlendFormula getBlendFormula() const { return fBlendFormula; }
 
 private:
-    GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                                 const GrProcOptInfo& coveragePOI,
+    GrXferProcessor::OptFlags onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                                  bool doesStencilWrite,
                                                  GrColor* overrideColor,
                                                  const GrCaps& caps) override;
@@ -469,8 +469,7 @@
 }
 
 GrXferProcessor::OptFlags
-PorterDuffXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                            const GrProcOptInfo& coveragePOI,
+PorterDuffXferProcessor::onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                             bool doesStencilWrite,
                                             GrColor* overrideColor,
                                             const GrCaps& caps) {
@@ -486,12 +485,12 @@
         if (!fBlendFormula.usesInputColor()) {
             optFlags |= GrXferProcessor::kIgnoreColor_OptFlag;
         }
-        if (coveragePOI.isSolidWhite()) {
+        if (optimizations.fCoveragePOI.isSolidWhite()) {
             optFlags |= GrXferProcessor::kIgnoreCoverage_OptFlag;
         }
-        if (colorPOI.allStagesMultiplyInput() &&
+        if (optimizations.fColorPOI.allStagesMultiplyInput() &&
             fBlendFormula.canTweakAlphaForCoverage() &&
-            !coveragePOI.isFourChannelOutput()) {
+            !optimizations.fCoveragePOI.isFourChannelOutput()) {
             optFlags |= GrXferProcessor::kCanTweakAlphaForCoverage_OptFlag;
         }
     }
@@ -517,8 +516,8 @@
     SkXfermode::Mode getXfermode() const { return fXfermode; }
 
 private:
-    GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo&, const GrProcOptInfo&,
-                                                 bool, GrColor*, const GrCaps&) override {
+    GrXferProcessor::OptFlags onGetOptimizations(const GrPipelineOptimizations&, bool, GrColor*, 
+                                                 const GrCaps&) override {
         return kNone_OptFlags;
     }
 
@@ -586,8 +585,7 @@
 private:
     PDLCDXferProcessor(GrColor blendConstant, uint8_t alpha);
 
-    GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                                 const GrProcOptInfo& coveragePOI,
+    GrXferProcessor::OptFlags onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                                  bool doesStencilWrite,
                                                  GrColor* overrideColor,
                                                  const GrCaps& caps) override;
@@ -676,8 +674,7 @@
 }
 
 GrXferProcessor::OptFlags
-PDLCDXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                       const GrProcOptInfo& coveragePOI,
+PDLCDXferProcessor::onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                        bool doesStencilWrite,
                                        GrColor* overrideColor,
                                        const GrCaps& caps) {
@@ -729,24 +726,24 @@
 
 GrXferProcessor*
 GrPorterDuffXPFactory::onCreateXferProcessor(const GrCaps& caps,
-                                             const GrProcOptInfo& colorPOI,
-                                             const GrProcOptInfo& covPOI,
+                                             const GrPipelineOptimizations& optimizations,
                                              bool hasMixedSamples,
                                              const DstTexture* dstTexture) const {
     BlendFormula blendFormula;
-    if (covPOI.isFourChannelOutput()) {
+    if (optimizations.fCoveragePOI.isFourChannelOutput()) {
         if (SkXfermode::kSrcOver_Mode == fXfermode &&
-            kRGBA_GrColorComponentFlags == colorPOI.validFlags() &&
+            kRGBA_GrColorComponentFlags == optimizations.fColorPOI.validFlags() &&
             !caps.shaderCaps()->dualSourceBlendingSupport() &&
             !caps.shaderCaps()->dstReadInShaderSupport()) {
             // If we don't have dual source blending or in shader dst reads, we fall back to this
             // trick for rendering SrcOver LCD text instead of doing a dst copy.
             SkASSERT(!dstTexture || !dstTexture->texture());
-            return PDLCDXferProcessor::Create(fXfermode, colorPOI);
+            return PDLCDXferProcessor::Create(fXfermode, optimizations.fColorPOI);
         }
-        blendFormula = get_lcd_blend_formula(covPOI, fXfermode);
+        blendFormula = get_lcd_blend_formula(optimizations.fCoveragePOI, fXfermode);
     } else {
-        blendFormula = get_blend_formula(colorPOI, covPOI, hasMixedSamples, fXfermode);
+        blendFormula = get_blend_formula(optimizations.fColorPOI, optimizations.fCoveragePOI, 
+                                         hasMixedSamples, fXfermode);
     }
 
     if (blendFormula.hasSecondaryOutput() && !caps.shaderCaps()->dualSourceBlendingSupport()) {
@@ -789,8 +786,7 @@
 }
 
 bool GrPorterDuffXPFactory::willReadDstColor(const GrCaps& caps,
-                                             const GrProcOptInfo& colorPOI,
-                                             const GrProcOptInfo& covPOI,
+                                             const GrPipelineOptimizations& optimizations,
                                              bool hasMixedSamples) const {
     if (caps.shaderCaps()->dualSourceBlendingSupport()) {
         return false;
@@ -799,17 +795,18 @@
     // When we have four channel coverage we always need to read the dst in order to correctly
     // blend. The one exception is when we are using srcover mode and we know the input color into
     // the XP.
-    if (covPOI.isFourChannelOutput()) {
+    if (optimizations.fCoveragePOI.isFourChannelOutput()) {
         if (SkXfermode::kSrcOver_Mode == fXfermode &&
-            kRGBA_GrColorComponentFlags == colorPOI.validFlags() &&
+            kRGBA_GrColorComponentFlags == optimizations.fColorPOI.validFlags() &&
             !caps.shaderCaps()->dstReadInShaderSupport()) {
             return false;
         }
-        return get_lcd_blend_formula(covPOI, fXfermode).hasSecondaryOutput();
+        return get_lcd_blend_formula(optimizations.fCoveragePOI, fXfermode).hasSecondaryOutput();
     }
     // We fallback on the shader XP when the blend formula would use dual source blending but we
     // don't have support for it.
-    return get_blend_formula(colorPOI, covPOI, hasMixedSamples, fXfermode).hasSecondaryOutput();
+    return get_blend_formula(optimizations.fColorPOI, optimizations.fCoveragePOI, hasMixedSamples, 
+                             fXfermode).hasSecondaryOutput();
 }
 
 GR_DEFINE_XP_FACTORY_TEST(GrPorterDuffXPFactory);
@@ -838,25 +835,24 @@
 
 GrXferProcessor* GrPorterDuffXPFactory::CreateSrcOverXferProcessor(
         const GrCaps& caps,
-        const GrProcOptInfo& colorPOI,
-        const GrProcOptInfo& covPOI,
+        const GrPipelineOptimizations& optimizations,
         bool hasMixedSamples,
         const GrXferProcessor::DstTexture* dstTexture) {
     BlendFormula blendFormula;
-    if (covPOI.isFourChannelOutput()) {
-        if (kRGBA_GrColorComponentFlags == colorPOI.validFlags() &&
+    if (optimizations.fCoveragePOI.isFourChannelOutput()) {
+        if (kRGBA_GrColorComponentFlags == optimizations.fColorPOI.validFlags() &&
             !caps.shaderCaps()->dualSourceBlendingSupport() &&
             !caps.shaderCaps()->dstReadInShaderSupport()) {
             // If we don't have dual source blending or in shader dst reads, we fall
             // back to this trick for rendering SrcOver LCD text instead of doing a
             // dst copy.
             SkASSERT(!dstTexture || !dstTexture->texture());
-            return PDLCDXferProcessor::Create(SkXfermode::kSrcOver_Mode, colorPOI);
+            return PDLCDXferProcessor::Create(SkXfermode::kSrcOver_Mode, optimizations.fColorPOI);
         }
-        blendFormula = get_lcd_blend_formula(covPOI, SkXfermode::kSrcOver_Mode);
+        blendFormula = get_lcd_blend_formula(optimizations.fCoveragePOI, SkXfermode::kSrcOver_Mode);
     } else {
-        blendFormula = get_blend_formula(colorPOI, covPOI, hasMixedSamples,
-                                         SkXfermode::kSrcOver_Mode);
+        blendFormula = get_blend_formula(optimizations.fColorPOI, optimizations.fCoveragePOI, 
+                                         hasMixedSamples, SkXfermode::kSrcOver_Mode);
     }
 
     if (blendFormula.hasSecondaryOutput() && !caps.shaderCaps()->dualSourceBlendingSupport()) {
@@ -868,8 +864,7 @@
 }
 
 bool GrPorterDuffXPFactory::SrcOverWillNeedDstTexture(const GrCaps& caps,
-                                                      const GrProcOptInfo& colorPOI,
-                                                      const GrProcOptInfo& covPOI,
+                                                      const GrPipelineOptimizations& optimizations,
                                                       bool hasMixedSamples) {
     if (caps.shaderCaps()->dstReadInShaderSupport() ||
         caps.shaderCaps()->dualSourceBlendingSupport()) {
@@ -879,16 +874,17 @@
     // When we have four channel coverage we always need to read the dst in order to correctly
     // blend. The one exception is when we are using srcover mode and we know the input color
     // into the XP.
-    if (covPOI.isFourChannelOutput()) {
-        if (kRGBA_GrColorComponentFlags == colorPOI.validFlags() &&
+    if (optimizations.fCoveragePOI.isFourChannelOutput()) {
+        if (kRGBA_GrColorComponentFlags == optimizations.fColorPOI.validFlags() &&
             !caps.shaderCaps()->dstReadInShaderSupport()) {
             return false;
         }
-        return get_lcd_blend_formula(covPOI, SkXfermode::kSrcOver_Mode).hasSecondaryOutput();
+        return get_lcd_blend_formula(optimizations.fCoveragePOI, 
+                                     SkXfermode::kSrcOver_Mode).hasSecondaryOutput();
     }
     // We fallback on the shader XP when the blend formula would use dual source blending but we
     // don't have support for it.
-    return get_blend_formula(colorPOI, covPOI,
+    return get_blend_formula(optimizations.fColorPOI, optimizations.fCoveragePOI,
                              hasMixedSamples, SkXfermode::kSrcOver_Mode).hasSecondaryOutput();
 }