New API for computing optimization invariants.

src/gpu/GrProcOptInfo.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrProcOptInfo_DEFINED
 #define GrProcOptInfo_DEFINED
 
@@ skipping 14 matching lines @@
 public:
     GrProcOptInfo()
         : fInOut(0, static_cast<GrColorComponentFlags>(0), false)
         , fFirstEffectiveProcessorIndex(0)
         , fInputColorIsUsed(true)
         , fInputColor(0)
         , fReadsFragPosition(false) {}
 
     void calcWithInitialValues(const GrFragmentProcessor* const *, int cnt, GrColor startColor,
                                GrColorComponentFlags, bool areCoverageStages, bool isLCD = false);
-
-    void calcColorWithBatch(const GrDrawBatch*, const GrFragmentProcessor* const[], int cnt);
-    void calcCoverageWithBatch(const GrDrawBatch*, const GrFragmentProcessor* const[], int cnt);
-
+    void initUsingInvariantOutput(GrInitInvariantOutput invOutput);
+    void completeCalculations(const GrFragmentProcessor * const processors[], int cnt);
+    
     bool isSolidWhite() const { return fInOut.isSolidWhite(); }
     bool isOpaque() const { return fInOut.isOpaque(); }
     bool isSingleComponent() const { return fInOut.isSingleComponent(); }
     bool allStagesMultiplyInput() const { return fInOut.allStagesMulInput(); }
 
     // TODO: Once texture pixel configs quaries are updated, we no longer need this function.
     // For now this function will correctly tell us if we are using LCD text or not and should only
     // be called when looking at the coverage output.
     bool isFourChannelOutput() const { return !fInOut.isSingleComponent() &&
                                                fInOut.isLCDCoverage(); }
@@ skipping 36 matching lines @@
     void internalCalc(const GrFragmentProcessor* const[], int cnt, bool initWillReadFragPosition);
 
     GrInvariantOutput fInOut;
     int fFirstEffectiveProcessorIndex;
     bool fInputColorIsUsed;
     GrColor fInputColor;
     bool fReadsFragPosition;
 };
 
 #endif