Revert of Remove GrStagedProcessor, remove the word Stage as it applies to FPs

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
 
 #include "GrColor.h"
 #include "GrInvariantOutput.h"
+#include "GrStagedProcessor.h"
 
 class GrDrawBatch;
 class GrFragmentProcessor;
 class GrPrimitiveProcessor;
 class GrProcessor;
 
 /**
  * GrProcOptInfo gathers invariant data from a set of processor stages.It is used to recognize
  * optimizations related to eliminating stages and vertex attributes that aren't necessary for a
  * draw.
  */
 class GrProcOptInfo {
 public:
     GrProcOptInfo()
         : fInOut(0, static_cast<GrColorComponentFlags>(0), false)
-        , fFirstEffectiveProcessorIndex(0)
+        , fFirstEffectStageIndex(0)
         , fInputColorIsUsed(true)
         , fInputColor(0)
         , fReadsFragPosition(false) {}
 
-    void calcWithInitialValues(const GrFragmentProcessor* const *, int cnt, GrColor startColor,
-                               GrColorComponentFlags, bool areCoverageStages);
+    void calcWithInitialValues(const GrFragmentStage*, int stageCount, GrColor startColor,
+                               GrColorComponentFlags flags, bool areCoverageStages);
 
-    void calcColorWithBatch(const GrDrawBatch*, const GrFragmentProcessor* const[], int cnt);
-    void calcCoverageWithBatch(const GrDrawBatch*, const GrFragmentProcessor* const[], int cnt);
+    void calcColorWithBatch(const GrDrawBatch*, const GrFragmentStage*, int stagecount);
+    void calcCoverageWithBatch(const GrDrawBatch*, const GrFragmentStage*, int stagecount);
 
     // TODO delete these when batch is everywhere
-    void calcColorWithPrimProc(const GrPrimitiveProcessor*, const GrFragmentProcessor* const[],
-                               int cnt);
-    void calcCoverageWithPrimProc(const GrPrimitiveProcessor*, const GrFragmentProcessor* const[],
-                                  int cnt);
+    void calcColorWithPrimProc(const GrPrimitiveProcessor*, const GrFragmentStage*, int stagecount);
+    void calcCoverageWithPrimProc(const GrPrimitiveProcessor*, const GrFragmentStage*,
+                                  int stagecount);
 
     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(); }
 
     GrColor color() const { return fInOut.color(); }
 
     GrColorComponentFlags validFlags() const {
         return static_cast<GrColorComponentFlags>(fInOut.validFlags());
     }
 
     /**
-     * Returns the index of the first effective color processor. If an intermediate processor
-     * doesn't read its input or has a known output, then we can ignore all earlier processors
-     * since they will not affect the final output. Thus the first effective processors index is
-     * the index to the first processor that will have an effect on the final output.
+     * Returns the index of the first effective color stage. If an intermediate stage doesn't read
+     * its input or has a known output, then we can ignore all earlier stages since they will not
+     * affect the final output. Thus the first effective stage index is the index to the first stage
+     * that will have an effect on the final output.
      *
-     * If processors before the firstEffectiveProcessorIndex() are removed, corresponding values
-     * from inputColorIsUsed(), inputColorToEffectiveProcessor(), removeVertexAttribs(), and
-     * readsDst() must be used when setting up the draw to ensure correct drawing.
+     * If stages before the firstEffectiveStageIndex are removed, corresponding values from
+     * inputColorIsUsed(), inputColorToEffectiveStage(), removeVertexAttribs(), and readsDst() must
+     * be used when setting up the draw to ensure correct drawing.
      */
-    int firstEffectiveProcessorIndex() const { return fFirstEffectiveProcessorIndex; }
+    int firstEffectiveStageIndex() const { return fFirstEffectStageIndex; }
 
     /**
-     * True if the first effective processor reads its input, false otherwise.
+     * True if the first effective stage reads its input, false otherwise.
      */
     bool inputColorIsUsed() const { return fInputColorIsUsed; }
 
     /**
      * If input color is used and per-vertex colors are not used, this is the input color to the
-     * first effective processor.
+     * first effective stage.
      */
-    GrColor inputColorToFirstEffectiveProccesor() const { return fInputColor; }
+    GrColor inputColorToEffectiveStage() const { return fInputColor; }
 
     /**
-     * Returns true if any of the processor preserved by GrProcOptInfo read the frag position.
+     * Returns true if any of the stages preserved by GrProcOptInfo read the frag position.
      */
     bool readsFragPosition() const { return fReadsFragPosition; }
 
 private:
-    void internalCalc(const GrFragmentProcessor* const[], int cnt, bool initWillReadFragPosition);
+    void internalCalc(const GrFragmentStage*, int stagecount, bool initWillReadFragPosition);
 
     GrInvariantOutput fInOut;
-    int fFirstEffectiveProcessorIndex;
+    int fFirstEffectStageIndex;
     bool fInputColorIsUsed;
     GrColor fInputColor;
     bool fReadsFragPosition;
 };
 
 #endif