Make GrOp::onPrePrepare be pure virtual

This makes onPrePrepare match onPrepare & onExecute. Most of the new method bodies will-have-to/should be filled in anyway.

Change-Id: Ifc897feaeb2d8fe6eec3ac3a8e91f99393ad6758
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/277542
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>

gm/tessellation.cpp

@@ -298,6 +298,11 @@ private:
         return GrProcessorSet::EmptySetAnalysis();
     }
 
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
+
     void onPrepare(GrOpFlushState* flushState) override {
         if (fTriPositions) {
             if (void* vertexData = flushState->makeVertexSpace(sizeof(float) * 3, 3, &fVertexBuffer,

samplecode/SampleCCPRGeometry.cpp

@@ -94,6 +94,10 @@ private:
                                       bool hasMixedSampledCoverage, GrClampType) override {
         return GrProcessorSet::EmptySetAnalysis();
     }
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
     void onPrepare(GrOpFlushState*) override {}
     void onExecute(GrOpFlushState*, const SkRect& chainBounds) override;
 

src/gpu/ccpr/GrCCDrawPathsOp.h

@@ -71,6 +71,11 @@ public:
     void onExecute(GrOpFlushState*, const SkRect& chainBounds) override;
 
 private:
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
+
     friend class GrOpMemoryPool;
 
     static std::unique_ptr<GrCCDrawPathsOp> InternalMake(GrRecordingContext*,

src/gpu/ccpr/GrCCPerFlushResources.cpp

@@ -45,7 +45,6 @@ public:
         // TODO: make use of texture chaining.
         return CombineResult::kCannotCombine;
     }
-    void onPrepare(GrOpFlushState*) override {}
 
 protected:
     AtlasOp(uint32_t classID, sk_sp<const GrCCPerFlushResources> resources,
@@ -57,6 +56,13 @@ protected:
     }
 
     const sk_sp<const GrCCPerFlushResources> fResources;
+
+private:
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) final {}
+    void onPrepare(GrOpFlushState*) final {}
 };
 
 // Copies paths from a cached coverage count or msaa atlas into an 8-bit literal-coverage atlas.

src/gpu/ccpr/GrStencilAtlasOp.h

@@ -46,16 +46,20 @@ public:
         // TODO: make use of texture chaining.
         return CombineResult::kCannotCombine;
     }
-    void onPrepare(GrOpFlushState*) override {}
 
     static std::unique_ptr<GrDrawOp> Make(
             GrRecordingContext*, sk_sp<const GrCCPerFlushResources>, FillBatchID, StrokeBatchID,
             int baseStencilResolveInstance, int endStencilResolveInstance,
             const SkISize& drawBounds);
 
-    void onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) override;
-
 private:
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
+    void onPrepare(GrOpFlushState*) override {}
+    void onExecute(GrOpFlushState*, const SkRect& chainBounds) override;
+
     friend class ::GrOpMemoryPool; // for ctor
 
     GrStencilAtlasOp(sk_sp<const GrCCPerFlushResources> resources, FillBatchID fillBatchID,

src/gpu/ops/GrClearOp.h

@@ -91,6 +91,11 @@ private:
                 fClip.scissorRect().contains(that->fClip.scissorRect()));
     }
 
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
+
     void onPrepare(GrOpFlushState*) override {}
 
     void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override;

src/gpu/ops/GrClearStencilClipOp.h

@@ -54,6 +54,11 @@ private:
         this->setBounds(bounds, HasAABloat::kNo, IsHairline::kNo);
     }
 
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
+
     void onPrepare(GrOpFlushState*) override {}
 
     void onExecute(GrOpFlushState*, const SkRect& chainBounds) override;

src/gpu/ops/GrDrawPathOp.h

@@ -54,6 +54,11 @@ protected:
     }
 
 private:
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) final {}
+
     void onPrepare(GrOpFlushState*) final {}
 
     SkMatrix fViewMatrix;

src/gpu/ops/GrDrawableOp.h

@@ -41,6 +41,12 @@ private:
                                       const GrCaps& caps) override {
         return CombineResult::kCannotCombine;
     }
+
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
+
     void onPrepare(GrOpFlushState*) override {}
 
     void onExecute(GrOpFlushState*, const SkRect& chainBounds) override;

src/gpu/ops/GrOp.h

@@ -299,7 +299,7 @@ private:
     virtual void onPrePrepare(GrRecordingContext*,
                               const GrSurfaceProxyView* outputView,
                               GrAppliedClip*,
-                              const GrXferProcessor::DstProxyView&) {}
+                              const GrXferProcessor::DstProxyView&) = 0;
     virtual void onPrepare(GrOpFlushState*) = 0;
     // If this op is chained then chainBounds is the union of the bounds of all ops in the chain.
     // Otherwise, this op's bounds.

src/gpu/ops/GrStencilPathOp.h

@@ -56,6 +56,11 @@ private:
         this->setBounds(fPath->getBounds(), HasAABloat::kNo, IsHairline::kNo);
     }
 
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
+
     void onPrepare(GrOpFlushState*) override {}
 
     void onExecute(GrOpFlushState*, const SkRect& chainBounds) override;

src/gpu/tessellate/GrDrawAtlasPathOp.cpp

@@ -140,6 +140,12 @@ GrOp::CombineResult GrDrawAtlasPathOp::onCombineIfPossible(
     return CombineResult::kMerged;
 }
 
+void GrDrawAtlasPathOp::onPrePrepare(GrRecordingContext*,
+                                     const GrSurfaceProxyView* outputView,
+                                     GrAppliedClip*,
+                                     const GrXferProcessor::DstProxyView&) {
+}
+
 void GrDrawAtlasPathOp::onPrepare(GrOpFlushState* state) {
     size_t instanceStride = Instance::Stride(fUsesLocalCoords);
     if (char* instanceData = (char*)state->makeVertexSpace(

src/gpu/tessellate/GrDrawAtlasPathOp.h

@@ -40,6 +40,11 @@ public:
     void onExecute(GrOpFlushState*, const SkRect& chainBounds) override;
 
 private:
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override;
+
     struct Instance {
         constexpr static size_t Stride(bool usesLocalCoords) {
             size_t stride = sizeof(Instance);

src/gpu/tessellate/GrTessellatePathOp.cpp

@@ -23,6 +23,12 @@ GrTessellatePathOp::FixedFunctionFlags GrTessellatePathOp::fixedFunctionFlags()
     return flags;
 }
 
+void GrTessellatePathOp::onPrePrepare(GrRecordingContext*,
+                                      const GrSurfaceProxyView* outputView,
+                                      GrAppliedClip*,
+                                      const GrXferProcessor::DstProxyView&) {
+}
+
 void GrTessellatePathOp::onPrepare(GrOpFlushState* state) {
     GrEagerDynamicVertexAllocator pathVertexAllocator(state, &fPathVertexBuffer, &fBasePathVertex);
     GrEagerDynamicVertexAllocator cubicInstanceAllocator(state, &fCubicInstanceBuffer,

src/gpu/tessellate/GrTessellatePathOp.h

@@ -53,6 +53,10 @@ private:
     }
 
     FixedFunctionFlags fixedFunctionFlags() const override;
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override;
     void onPrepare(GrOpFlushState* state) override;
     void onExecute(GrOpFlushState*, const SkRect& chainBounds) override;
 

tests/GrMeshTest.cpp

@@ -320,6 +320,11 @@ private:
                                       bool hasMixedSampledCoverage, GrClampType) override {
         return GrProcessorSet::EmptySetAnalysis();
     }
+
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
     void onPrepare(GrOpFlushState* state) override {
         fHelper.reset(new DrawMeshHelper(state));
         fPrepareFn(fHelper.get());

tests/GrPipelineDynamicStateTest.cpp

@@ -145,6 +145,10 @@ private:
                                       bool hasMixedSampledCoverage, GrClampType) override {
         return GrProcessorSet::EmptySetAnalysis();
     }
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
     void onPrepare(GrOpFlushState*) override {}
     void onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) override {
         GrPipeline pipeline(fScissorTest, SkBlendMode::kSrc,

tests/LazyProxyTest.cpp

@@ -113,6 +113,11 @@ public:
                                           bool hasMixedSampledCoverage, GrClampType) override {
             return GrProcessorSet::EmptySetAnalysis();
         }
+        void onPrePrepare(GrRecordingContext*,
+                          const GrSurfaceProxyView* outputView,
+                          GrAppliedClip*,
+                          const GrXferProcessor::DstProxyView&) override {}
+
         void onPrepare(GrOpFlushState*) override {}
 
         LazyProxyTest* const fTest;
@@ -363,6 +368,10 @@ private:
                                       bool hasMixedSampledCoverage, GrClampType) override {
         return GrProcessorSet::EmptySetAnalysis();
     }
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
     void onPrepare(GrOpFlushState*) override {}
     void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override {
         *fTestExecuteValue = 2;

tests/OpChainTest.cpp

@@ -122,6 +122,11 @@ private:
                         HasAABloat::kNo, IsHairline::kNo);
     }
 
+    void onPrePrepare(GrRecordingContext*,
+                      const GrSurfaceProxyView* outputView,
+                      GrAppliedClip*,
+                      const GrXferProcessor::DstProxyView&) override {}
+
     void onPrepare(GrOpFlushState*) override {}
 
     void onExecute(GrOpFlushState*, const SkRect& chainBounds) override {