New API for computing optimization invariants.

src/gpu/batches/GrDrawVerticesBatch.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawVerticesBatch_DEFINED
 #define GrDrawVerticesBatch_DEFINED
 
@@ skipping 24 matching lines @@
                                const SkPoint* positions, int vertexCount,
                                const uint16_t* indices, int indexCount,
                                const GrColor* colors, const SkPoint* localCoords,
                                const SkRect& bounds) {
         return new GrDrawVerticesBatch(geometry, primitiveType, viewMatrix, positions, vertexCount,
                                        indices, indexCount, colors, localCoords, bounds);
     }
 
     const char* name() const override { return "DrawVerticesBatch"; }
 
-    void getInvariantOutputColor(GrInitInvariantOutput* out) const override;
-
-    void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override;
+    void computeBatchToXPOverrides(GrInitInvariantOutput* color, GrInitInvariantOutput* coverage,
+                                   bool* usePLSDstRead) const override;
 
     SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
 
 private:
     void onPrepareDraws(Target*) override;
     void initBatchTracker(const GrPipelineOptimizations&) override;
 
     GrDrawVerticesBatch(const Geometry& geometry, GrPrimitiveType primitiveType,
                         const SkMatrix& viewMatrix,
                         const SkPoint* positions, int vertexCount,
@@ skipping 15 matching lines @@
     int                 fVertexCount;
     int                 fIndexCount;
     bool                fCoverageIgnored; // comes from initBatchTracker.
 
     SkSTArray<1, Geometry, true> fGeoData;
 
     typedef GrVertexBatch INHERITED;
 };
 
 #endif