New API for computing optimization invariants.

src/gpu/batches/GrAtlasTextBatch.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 GrAtlasTextBatch_DEFINED
 #define GrAtlasTextBatch_DEFINED
 
@@ skipping 84 matching lines @@
             this->setBounds(bounds);
         } else {
             this->setBounds(run.fVertexBounds);
         }
     }
 
     const char* name() const override { return "TextBatch"; }
 
     SkString dumpInfo() const override;
 
-    void getInvariantOutputColor(GrInitInvariantOutput* out) const override;
-
-    void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override;
-
     static size_t GetVertexStride(GrMaskFormat maskFormat) {
         switch (maskFormat) {
             case kA8_GrMaskFormat:
                 return kGrayTextVASize;
             case kARGB_GrMaskFormat:
                 return kColorTextVASize;
             default:
                 return kLCDTextVASize;
         }
     }
 
     static size_t GetVertexStrideDf(GrMaskFormat maskFormat, bool useLCDText) {
         SkASSERT(maskFormat == kA8_GrMaskFormat);
         if (useLCDText) {
             return kLCDTextVASize;
         } else {
             return kGrayTextVASize;
         }
     }
 
+protected:
+    void computePipelineOptimizations(GrInitInvariantOutput* color, 
+                                      GrInitInvariantOutput* coverage,
+                                      GrBatchToXPOverrides* overrides) const override;
+
+
 private:
-    void initBatchTracker(const GrPipelineOptimizations& opt) override;
+    void initBatchTracker(const GrXPOverridesForBatch& overrides) override;
 
     struct FlushInfo {
         SkAutoTUnref<const GrVertexBuffer> fVertexBuffer;
         SkAutoTUnref<const GrIndexBuffer> fIndexBuffer;
         int fGlyphsToFlush;
         int fVertexOffset;
     };
 
     void onPrepareDraws(Target* target) override;
 
@@ skipping 77 matching lines @@
     GrBatchFontCache* fFontCache;
 
     // Distance field properties
     SkAutoTUnref<const DistanceAdjustTable> fDistanceAdjustTable;
     SkColor fFilteredColor;
 
     typedef GrVertexBatch INHERITED;
 };
 
 #endif