New API for computing optimization invariants.

src/gpu/batches/GrDrawAtlasBatch.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 GrDrawAtlasBatch_DEFINED
 #define GrDrawAtlasBatch_DEFINED
 
@@ skipping 11 matching lines @@
     };
 
     static GrDrawBatch* Create(const Geometry& geometry, const SkMatrix& viewMatrix,
                                int spriteCount, const SkRSXform* xforms, const SkRect* rects,
                                const SkColor* colors) {
         return new GrDrawAtlasBatch(geometry, viewMatrix, spriteCount, xforms, rects, colors);
     }
     
     const char* name() const override { return "DrawAtlasBatch"; }
     
-    void getInvariantOutputColor(GrInitInvariantOutput* out) const override {
+    void computeBatchToXPOverrides(GrInitInvariantOutput* color, GrInitInvariantOutput* coverage,
+                                   bool* usePLSDstRead) const override {
         // When this is called on a batch, there is only one geometry bundle
         if (this->hasColors()) {
-            out->setUnknownFourComponents();
+            color->setUnknownFourComponents();
         } else {
-            out->setKnownFourComponents(fGeoData[0].fColor);
+            color->setKnownFourComponents(fGeoData[0].fColor);
         }
-    }
-    
-    void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
-        out->setKnownSingleComponent(0xff);
+        coverage->setKnownSingleComponent(0xff);
+        *usePLSDstRead = false;
     }
 
     SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
 
 private:
     void onPrepareDraws(Target*) override;
 
     void initBatchTracker(const GrPipelineOptimizations&) override;
 
     GrDrawAtlasBatch(const Geometry& geometry, const SkMatrix& viewMatrix, int spriteCount,
@@ skipping 13 matching lines @@
     GrColor  fColor;
     int      fQuadCount;
     bool     fColorIgnored;
     bool     fCoverageIgnored;
     bool     fHasColors;
 
     typedef GrVertexBatch INHERITED;
 };
 
 #endif