Use shader based blending to clamp kPlus mode w/F16

Bug: skia:6173
Change-Id: I21042d484d9a7b3eee04aa3301d9793d00ad6908
Reviewed-on: https://skia-review.googlesource.com/48183
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
diff --git a/src/gpu/ops/GrAAConvexPathRenderer.cpp b/src/gpu/ops/GrAAConvexPathRenderer.cpp
index 50077a8..03dabe3 100644
--- a/src/gpu/ops/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/ops/GrAAConvexPathRenderer.cpp
@@ -765,8 +765,10 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel,
                                             &fPaths.back().fColor);
     }
 
diff --git a/src/gpu/ops/GrAAFillRectOp.cpp b/src/gpu/ops/GrAAFillRectOp.cpp
index 4c91d7c..48f9f3b 100644
--- a/src/gpu/ops/GrAAFillRectOp.cpp
+++ b/src/gpu/ops/GrAAFillRectOp.cpp
@@ -223,10 +223,11 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrColor color = this->first()->color();
         auto result = fHelper.xpRequiresDstTexture(
-                caps, clip, GrProcessorAnalysisCoverage::kSingleChannel, &color);
+                caps, clip, dstIsClamped, GrProcessorAnalysisCoverage::kSingleChannel, &color);
         this->first()->setColor(color);
         return result;
     }
diff --git a/src/gpu/ops/GrAAHairLinePathRenderer.cpp b/src/gpu/ops/GrAAHairLinePathRenderer.cpp
index 8881e4c..a107528 100644
--- a/src/gpu/ops/GrAAHairLinePathRenderer.cpp
+++ b/src/gpu/ops/GrAAHairLinePathRenderer.cpp
@@ -800,9 +800,10 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
-                                            &fColor);
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel, &fColor);
     }
 
 private:
diff --git a/src/gpu/ops/GrAALinearizingConvexPathRenderer.cpp b/src/gpu/ops/GrAALinearizingConvexPathRenderer.cpp
index 5d6b6cf..cd87e28 100644
--- a/src/gpu/ops/GrAALinearizingConvexPathRenderer.cpp
+++ b/src/gpu/ops/GrAALinearizingConvexPathRenderer.cpp
@@ -196,8 +196,10 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel,
                                             &fPaths.back().fColor);
     }
 
diff --git a/src/gpu/ops/GrAAStrokeRectOp.cpp b/src/gpu/ops/GrAAStrokeRectOp.cpp
index 22cd6ce..d4f9bde 100644
--- a/src/gpu/ops/GrAAStrokeRectOp.cpp
+++ b/src/gpu/ops/GrAAStrokeRectOp.cpp
@@ -195,8 +195,10 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel,
                                             &fRects.back().fColor);
     }
 
diff --git a/src/gpu/ops/GrAtlasTextOp.cpp b/src/gpu/ops/GrAtlasTextOp.cpp
index 65b3c37..1166fd8 100644
--- a/src/gpu/ops/GrAtlasTextOp.cpp
+++ b/src/gpu/ops/GrAtlasTextOp.cpp
@@ -44,7 +44,8 @@
 }
 
 GrDrawOp::RequiresDstTexture GrAtlasTextOp::finalize(const GrCaps& caps,
-                                                     const GrAppliedClip* clip) {
+                                                     const GrAppliedClip* clip,
+                                                     GrPixelConfigIsClamped dstIsClamped) {
     GrProcessorAnalysisCoverage coverage;
     GrProcessorAnalysisColor color;
     if (kColorBitmapMask_MaskType == fMaskType) {
@@ -67,7 +68,7 @@
             coverage = GrProcessorAnalysisCoverage::kNone;
             break;
     }
-    auto analysis = fProcessors.finalize(color, coverage, clip, false, caps, &fColor);
+    auto analysis = fProcessors.finalize(color, coverage, clip, false, caps, dstIsClamped, &fColor);
     fUsesLocalCoords = analysis.usesLocalCoords();
     fCanCombineOnTouchOrOverlap =
             !analysis.requiresDstTexture() &&
diff --git a/src/gpu/ops/GrAtlasTextOp.h b/src/gpu/ops/GrAtlasTextOp.h
index 0a1a7a1..7ae3166 100644
--- a/src/gpu/ops/GrAtlasTextOp.h
+++ b/src/gpu/ops/GrAtlasTextOp.h
@@ -112,7 +112,8 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override;
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override;
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override;
 
 private:
     GrAtlasTextOp(GrPaint&& paint)
diff --git a/src/gpu/ops/GrDashOp.cpp b/src/gpu/ops/GrDashOp.cpp
index 76f1ff4..5f886cd 100644
--- a/src/gpu/ops/GrDashOp.cpp
+++ b/src/gpu/ops/GrDashOp.cpp
@@ -296,14 +296,16 @@
         return flags;
     }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrProcessorAnalysisCoverage coverage;
         if (AAMode::kNone == fAAMode && !clip->clipCoverageFragmentProcessor()) {
             coverage = GrProcessorAnalysisCoverage::kNone;
         } else {
             coverage = GrProcessorAnalysisCoverage::kSingleChannel;
         }
-        auto analysis = fProcessorSet.finalize(fColor, coverage, clip, false, caps, &fColor);
+        auto analysis = fProcessorSet.finalize(fColor, coverage, clip, false, caps, dstIsClamped,
+                                               &fColor);
         fDisallowCombineOnTouchOrOverlap = analysis.requiresDstTexture() ||
                                            (fProcessorSet.xferProcessor() &&
                                             fProcessorSet.xferProcessor()->xferBarrierType(caps));
diff --git a/src/gpu/ops/GrDefaultPathRenderer.cpp b/src/gpu/ops/GrDefaultPathRenderer.cpp
index 420be4b..40631a7 100644
--- a/src/gpu/ops/GrDefaultPathRenderer.cpp
+++ b/src/gpu/ops/GrDefaultPathRenderer.cpp
@@ -376,11 +376,12 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrProcessorAnalysisCoverage gpCoverage =
                 this->coverage() == 0xFF ? GrProcessorAnalysisCoverage::kNone
                                          : GrProcessorAnalysisCoverage::kSingleChannel;
-        return fHelper.xpRequiresDstTexture(caps, clip, gpCoverage, &fColor);
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped, gpCoverage, &fColor);
     }
 
 private:
diff --git a/src/gpu/ops/GrDrawAtlasOp.cpp b/src/gpu/ops/GrDrawAtlasOp.cpp
index 47ebbd5..bd5ffbb 100644
--- a/src/gpu/ops/GrDrawAtlasOp.cpp
+++ b/src/gpu/ops/GrDrawAtlasOp.cpp
@@ -177,15 +177,16 @@
 }
 
 GrDrawOp::RequiresDstTexture GrDrawAtlasOp::finalize(const GrCaps& caps,
-                                                     const GrAppliedClip* clip) {
+                                                     const GrAppliedClip* clip,
+                                                     GrPixelConfigIsClamped dstIsClamped) {
     GrProcessorAnalysisColor gpColor;
     if (this->hasColors()) {
         gpColor.setToUnknown();
     } else {
         gpColor.setToConstant(fColor);
     }
-    auto result =
-            fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone, &gpColor);
+    auto result = fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                               GrProcessorAnalysisCoverage::kNone, &gpColor);
     if (gpColor.isConstant(&fColor)) {
         fHasColors = false;
     }
diff --git a/src/gpu/ops/GrDrawAtlasOp.h b/src/gpu/ops/GrDrawAtlasOp.h
index 8530e5b..55c2aee 100644
--- a/src/gpu/ops/GrDrawAtlasOp.h
+++ b/src/gpu/ops/GrDrawAtlasOp.h
@@ -41,7 +41,8 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override;
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override;
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override;
 
 private:
     void onPrepareDraws(Target*) override;
diff --git a/src/gpu/ops/GrDrawOp.h b/src/gpu/ops/GrDrawOp.h
index 54b9f16..145d2e2 100644
--- a/src/gpu/ops/GrDrawOp.h
+++ b/src/gpu/ops/GrDrawOp.h
@@ -80,7 +80,8 @@
      * at this time the op must report whether a copy of the destination (or destination texture
      * itself) needs to be provided to the GrXferProcessor when this op executes.
      */
-    virtual RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*) = 0;
+    virtual RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*,
+                                        GrPixelConfigIsClamped) = 0;
 
 protected:
     struct QueuedUpload {
diff --git a/src/gpu/ops/GrDrawPathOp.h b/src/gpu/ops/GrDrawPathOp.h
index 114ce96..7b1072e 100644
--- a/src/gpu/ops/GrDrawPathOp.h
+++ b/src/gpu/ops/GrDrawPathOp.h
@@ -31,9 +31,10 @@
         }
         return FixedFunctionFlags::kUsesStencil;
     }
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return this->doProcessorAnalysis(caps, clip).requiresDstTexture() ? RequiresDstTexture::kYes
-                                                                          : RequiresDstTexture::kNo;
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return this->doProcessorAnalysis(caps, clip, dstIsClamped).requiresDstTexture()
+                ? RequiresDstTexture::kYes : RequiresDstTexture::kNo;
     }
 
     void visitProxies(const VisitProxyFunc& func) const override {
@@ -49,10 +50,11 @@
     uint32_t pipelineSRGBFlags() const { return fPipelineSRGBFlags; }
     inline GrPipeline::InitArgs pipelineInitArgs(const GrOpFlushState&);
     const GrProcessorSet::Analysis& doProcessorAnalysis(const GrCaps& caps,
-                                                        const GrAppliedClip* clip) {
+                                                        const GrAppliedClip* clip,
+                                                        GrPixelConfigIsClamped dstIsClamped) {
         bool isMixedSamples = GrAAType::kMixedSamples == fAAType;
         fAnalysis = fProcessorSet.finalize(fInputColor, GrProcessorAnalysisCoverage::kNone, clip,
-                                           isMixedSamples, caps, &fInputColor);
+                                           isMixedSamples, caps, dstIsClamped, &fInputColor);
         return fAnalysis;
     }
     const GrProcessorSet::Analysis& processorAnalysis() const {
diff --git a/src/gpu/ops/GrDrawVerticesOp.cpp b/src/gpu/ops/GrDrawVerticesOp.cpp
index 17a4f74..61696f5 100644
--- a/src/gpu/ops/GrDrawVerticesOp.cpp
+++ b/src/gpu/ops/GrDrawVerticesOp.cpp
@@ -82,15 +82,16 @@
 }
 
 GrDrawOp::RequiresDstTexture GrDrawVerticesOp::finalize(const GrCaps& caps,
-                                                        const GrAppliedClip* clip) {
+                                                        const GrAppliedClip* clip,
+                                                        GrPixelConfigIsClamped dstIsClamped) {
     GrProcessorAnalysisColor gpColor;
     if (this->requiresPerVertexColors()) {
         gpColor.setToUnknown();
     } else {
         gpColor.setToConstant(fMeshes.front().fColor);
     }
-    auto result =
-            fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone, &gpColor);
+    auto result = fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                               GrProcessorAnalysisCoverage::kNone, &gpColor);
     if (gpColor.isConstant(&fMeshes.front().fColor)) {
         fMeshes.front().fIgnoreColors = true;
         fFlags &= ~kRequiresPerVertexColors_Flag;
diff --git a/src/gpu/ops/GrDrawVerticesOp.h b/src/gpu/ops/GrDrawVerticesOp.h
index 6e78008..cbbc16e 100644
--- a/src/gpu/ops/GrDrawVerticesOp.h
+++ b/src/gpu/ops/GrDrawVerticesOp.h
@@ -54,7 +54,8 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override;
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override;
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override;
 
 private:
     enum class ColorArrayType {
diff --git a/src/gpu/ops/GrLatticeOp.cpp b/src/gpu/ops/GrLatticeOp.cpp
index 35d1ab7..a5473ce 100644
--- a/src/gpu/ops/GrLatticeOp.cpp
+++ b/src/gpu/ops/GrLatticeOp.cpp
@@ -80,8 +80,10 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone,
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kNone,
                                             &fPatches.front().fColor);
     }
 
diff --git a/src/gpu/ops/GrMSAAPathRenderer.cpp b/src/gpu/ops/GrMSAAPathRenderer.cpp
index 45fe9f3..21e2af8 100644
--- a/src/gpu/ops/GrMSAAPathRenderer.cpp
+++ b/src/gpu/ops/GrMSAAPathRenderer.cpp
@@ -275,8 +275,10 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone,
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kNone,
                                             &fPaths.front().fColor);
     }
 
diff --git a/src/gpu/ops/GrNonAAFillRectOp.cpp b/src/gpu/ops/GrNonAAFillRectOp.cpp
index 02a5e84..6eaef69 100644
--- a/src/gpu/ops/GrNonAAFillRectOp.cpp
+++ b/src/gpu/ops/GrNonAAFillRectOp.cpp
@@ -158,9 +158,11 @@
         return str;
     }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrColor* color = &fRects.front().fColor;
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone, color);
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kNone, color);
     }
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
@@ -280,9 +282,11 @@
         return str;
     }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrColor* color = &fRects.front().fColor;
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone, color);
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kNone, color);
     }
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
diff --git a/src/gpu/ops/GrNonAAStrokeRectOp.cpp b/src/gpu/ops/GrNonAAStrokeRectOp.cpp
index 1dd1733..6e53bea 100644
--- a/src/gpu/ops/GrNonAAStrokeRectOp.cpp
+++ b/src/gpu/ops/GrNonAAStrokeRectOp.cpp
@@ -129,9 +129,10 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone,
-                                            &fColor);
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kNone, &fColor);
     }
 
 private:
diff --git a/src/gpu/ops/GrOvalOpFactory.cpp b/src/gpu/ops/GrOvalOpFactory.cpp
index 5580e52..5b30c4a 100644
--- a/src/gpu/ops/GrOvalOpFactory.cpp
+++ b/src/gpu/ops/GrOvalOpFactory.cpp
@@ -804,10 +804,11 @@
         return string;
     }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrColor* color = &fCircles.front().fColor;
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
-                                            color);
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel, color);
     }
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
@@ -1272,10 +1273,11 @@
         return string;
     }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrColor* color = &fEllipses.front().fColor;
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
-                                            color);
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel, color);
     }
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
@@ -1502,10 +1504,11 @@
         return string;
     }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrColor* color = &fEllipses.front().fColor;
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
-                                            color);
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel, color);
     }
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
@@ -1819,10 +1822,11 @@
         return string;
     }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrColor* color = &fRRects.front().fColor;
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
-                                            color);
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel, color);
     }
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
@@ -2177,10 +2181,11 @@
         return string;
     }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrColor* color = &fRRects.front().fColor;
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
-                                            color);
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel, color);
     }
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
diff --git a/src/gpu/ops/GrRegionOp.cpp b/src/gpu/ops/GrRegionOp.cpp
index 23a5020..177a185 100644
--- a/src/gpu/ops/GrRegionOp.cpp
+++ b/src/gpu/ops/GrRegionOp.cpp
@@ -98,9 +98,10 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone,
-                                            &fRegions[0].fColor);
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kNone, &fRegions[0].fColor);
     }
 
 private:
diff --git a/src/gpu/ops/GrShadowRRectOp.cpp b/src/gpu/ops/GrShadowRRectOp.cpp
index b22dd06..24bbff4 100644
--- a/src/gpu/ops/GrShadowRRectOp.cpp
+++ b/src/gpu/ops/GrShadowRRectOp.cpp
@@ -254,7 +254,8 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
 
-    RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*) override {
+    RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*,
+                                GrPixelConfigIsClamped) override {
         return RequiresDstTexture::kNo;
     }
 
diff --git a/src/gpu/ops/GrSimpleMeshDrawOpHelper.cpp b/src/gpu/ops/GrSimpleMeshDrawOpHelper.cpp
index 7c8ca2e..b32344a 100644
--- a/src/gpu/ops/GrSimpleMeshDrawOpHelper.cpp
+++ b/src/gpu/ops/GrSimpleMeshDrawOpHelper.cpp
@@ -64,8 +64,8 @@
 }
 
 GrDrawOp::RequiresDstTexture GrSimpleMeshDrawOpHelper::xpRequiresDstTexture(
-        const GrCaps& caps, const GrAppliedClip* clip, GrProcessorAnalysisCoverage geometryCoverage,
-        GrProcessorAnalysisColor* geometryColor) {
+        const GrCaps& caps, const GrAppliedClip* clip, GrPixelConfigIsClamped dstIsClamped,
+        GrProcessorAnalysisCoverage geometryCoverage, GrProcessorAnalysisColor* geometryColor) {
     SkDEBUGCODE(fDidAnalysis = true);
     GrProcessorSet::Analysis analysis;
     if (fProcessors) {
@@ -78,7 +78,7 @@
         bool isMixedSamples = this->aaType() == GrAAType::kMixedSamples;
         GrColor overrideColor;
         analysis = fProcessors->finalize(*geometryColor, coverage, clip, isMixedSamples, caps,
-                                         &overrideColor);
+                                         dstIsClamped, &overrideColor);
         if (analysis.inputColorIsOverridden()) {
             *geometryColor = overrideColor;
         }
@@ -93,10 +93,10 @@
 }
 
 GrDrawOp::RequiresDstTexture GrSimpleMeshDrawOpHelper::xpRequiresDstTexture(
-        const GrCaps& caps, const GrAppliedClip* clip, GrProcessorAnalysisCoverage geometryCoverage,
-        GrColor* geometryColor) {
+        const GrCaps& caps, const GrAppliedClip* clip, GrPixelConfigIsClamped dstIsClamped,
+        GrProcessorAnalysisCoverage geometryCoverage, GrColor* geometryColor) {
     GrProcessorAnalysisColor color = *geometryColor;
-    auto result = this->xpRequiresDstTexture(caps, clip, geometryCoverage, &color);
+    auto result = this->xpRequiresDstTexture(caps, clip, dstIsClamped, geometryCoverage, &color);
     color.isConstant(geometryColor);
     return result;
 }
diff --git a/src/gpu/ops/GrSimpleMeshDrawOpHelper.h b/src/gpu/ops/GrSimpleMeshDrawOpHelper.h
index 47a8182..020f25f 100644
--- a/src/gpu/ops/GrSimpleMeshDrawOpHelper.h
+++ b/src/gpu/ops/GrSimpleMeshDrawOpHelper.h
@@ -63,6 +63,7 @@
      *                      color from its geometry processor instead.
      */
     GrDrawOp::RequiresDstTexture xpRequiresDstTexture(const GrCaps& caps, const GrAppliedClip* clip,
+                                                      GrPixelConfigIsClamped dstIsClamped,
                                                       GrProcessorAnalysisCoverage geometryCoverage,
                                                       GrProcessorAnalysisColor* geometryColor);
 
@@ -72,6 +73,7 @@
      * changed the op must override its geometry processor color output with the new color.
      */
     GrDrawOp::RequiresDstTexture xpRequiresDstTexture(const GrCaps&, const GrAppliedClip*,
+                                                      GrPixelConfigIsClamped dstIsClamped,
                                                       GrProcessorAnalysisCoverage geometryCoverage,
                                                       GrColor* geometryColor);
 
diff --git a/src/gpu/ops/GrSmallPathRenderer.cpp b/src/gpu/ops/GrSmallPathRenderer.cpp
index f17c7e0..fd868a1 100644
--- a/src/gpu/ops/GrSmallPathRenderer.cpp
+++ b/src/gpu/ops/GrSmallPathRenderer.cpp
@@ -215,8 +215,10 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
-        return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kSingleChannel,
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped,
+                                            GrProcessorAnalysisCoverage::kSingleChannel,
                                             &fShapes.front().fColor);
     }
 
diff --git a/src/gpu/ops/GrTessellatingPathRenderer.cpp b/src/gpu/ops/GrTessellatingPathRenderer.cpp
index 730e91b..099cb11 100644
--- a/src/gpu/ops/GrTessellatingPathRenderer.cpp
+++ b/src/gpu/ops/GrTessellatingPathRenderer.cpp
@@ -215,11 +215,12 @@
 
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         GrProcessorAnalysisCoverage coverage = fAntiAlias
                                                        ? GrProcessorAnalysisCoverage::kSingleChannel
                                                        : GrProcessorAnalysisCoverage::kNone;
-        return fHelper.xpRequiresDstTexture(caps, clip, coverage, &fColor);
+        return fHelper.xpRequiresDstTexture(caps, clip, dstIsClamped, coverage, &fColor);
     }
 
 private:
diff --git a/src/gpu/ops/GrTextureOp.cpp b/src/gpu/ops/GrTextureOp.cpp
index 732b9c9..5dc30f3 100644
--- a/src/gpu/ops/GrTextureOp.cpp
+++ b/src/gpu/ops/GrTextureOp.cpp
@@ -276,7 +276,8 @@
         return str;
     }
 
-    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip,
+                                GrPixelConfigIsClamped dstIsClamped) override {
         SkASSERT(!fFinalized);
         SkASSERT(1 == fProxyCnt);
         fFinalized = true;