Revert of removing equality / compute invariant loops from GrGeometryProcessors

src/gpu/effects/GrBezierEffect.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrBezierEffect_DEFINED
 #define GrBezierEffect_DEFINED
 
@@ skipping 88 matching lines @@
     inline GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; }
 
     virtual void getGLProcessorKey(const GrBatchTracker& bt,
                                    const GrGLCaps& caps,
                                    GrProcessorKeyBuilder* b) const override;
 
     virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt,
                                                      const GrGLCaps&) const override;
 
     void initBatchTracker(GrBatchTracker*, const GrPipelineInfo&) const override;
+    bool onCanMakeEqual(const GrBatchTracker&,
+                        const GrGeometryProcessor&,
+                        const GrBatchTracker&) const override;
 
 private:
     GrConicEffect(GrColor, const SkMatrix& viewMatrix, uint8_t coverage, GrPrimitiveEdgeType,
                   const SkMatrix& localMatrix);
 
+    bool onIsEqual(const GrGeometryProcessor& other) const override;
+
+    void onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
+        out->setUnknownSingleComponent();
+    }
+
     uint8_t               fCoverageScale;
     GrPrimitiveEdgeType   fEdgeType;
     const Attribute*    fInPosition;
     const Attribute*    fInConicCoeffs;
 
     GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
 
     typedef GrGeometryProcessor INHERITED;
 };
 
@@ skipping 51 matching lines @@
     inline GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; }
 
     virtual void getGLProcessorKey(const GrBatchTracker& bt,
                                    const GrGLCaps& caps,
                                    GrProcessorKeyBuilder* b) const override;
 
     virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt,
                                                      const GrGLCaps&) const override;
 
     void initBatchTracker(GrBatchTracker*, const GrPipelineInfo&) const override;
+    bool onCanMakeEqual(const GrBatchTracker&,
+                        const GrGeometryProcessor&,
+                        const GrBatchTracker&) const override;
 
 private:
     GrQuadEffect(GrColor, const SkMatrix& viewMatrix, uint8_t coverage, GrPrimitiveEdgeType,
                  const SkMatrix& localMatrix);
 
+    bool onIsEqual(const GrGeometryProcessor& other) const override;
+
+    void onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
+        out->setUnknownSingleComponent();
+    }
+
     uint8_t               fCoverageScale;
     GrPrimitiveEdgeType   fEdgeType;
     const Attribute*    fInPosition;
     const Attribute*    fInHairQuadEdge;
 
     GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
 
     typedef GrGeometryProcessor INHERITED;
 };
 
@@ skipping 47 matching lines @@
     inline GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; }
 
     virtual void getGLProcessorKey(const GrBatchTracker& bt,
                                    const GrGLCaps& caps,
                                    GrProcessorKeyBuilder* b) const override;
 
     virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt,
                                                      const GrGLCaps&) const override;
 
     void initBatchTracker(GrBatchTracker*, const GrPipelineInfo&) const override;
+    bool onCanMakeEqual(const GrBatchTracker&,
+                        const GrGeometryProcessor&,
+                        const GrBatchTracker&) const override;
 
 private:
     GrCubicEffect(GrColor, const SkMatrix& viewMatrix, GrPrimitiveEdgeType);
 
+    bool onIsEqual(const GrGeometryProcessor& other) const override;
+
+    void onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
+        out->setUnknownSingleComponent();
+    }
+
     GrPrimitiveEdgeType   fEdgeType;
     const Attribute*    fInPosition;
     const Attribute*    fInCubicCoeffs;
 
     GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
 
     typedef GrGeometryProcessor INHERITED;
 };
 
 #endif