remove separate color from coverage

src/gpu/GrDrawState.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDrawState.h"
 
 #include "GrOptDrawState.h"
@@ skipping 173 matching lines @@
     fStencilSettings.setDisabled();
     fCoverage = 0xff;
     fDrawFace = kBoth_DrawFace;
 
     fHints = 0;
 
     this->invalidateOptState();
 }
 
 bool GrDrawState::setIdentityViewMatrix()  {
-    if (this->numTotalStages()) {
+    if (this->numFragmentStages()) {
         SkMatrix invVM;
         if (!fViewMatrix.invert(&invVM)) {
             // sad trombone sound
             return false;
         }
         for (int s = 0; s < this->numColorStages(); ++s) {
             fColorStages[s].localCoordChange(invVM);
         }
         for (int s = 0; s < this->numCoverageStages(); ++s) {
             fCoverageStages[s].localCoordChange(invVM);
@@ skipping 337 matching lines @@
     if (NULL == drawState) {
         return false;
     }
 
     if (drawState->getViewMatrix().isIdentity()) {
         return true;
     }
 
     drawState->invalidateOptState();
     fViewMatrix = drawState->getViewMatrix();
-    if (0 == drawState->numTotalStages()) {
+    if (0 == drawState->numFragmentStages()) {
         drawState->fViewMatrix.reset();
         fDrawState = drawState;
         fNumColorStages = 0;
         fSavedCoordChanges.reset(0);
         SkDEBUGCODE(++fDrawState->fBlockEffectRemovalCnt;)
         return true;
     } else {
         SkMatrix inv;
         if (!fViewMatrix.invert(&inv)) {
             return false;
         }
         drawState->fViewMatrix.reset();
         fDrawState = drawState;
         this->doEffectCoordChanges(inv);
         SkDEBUGCODE(++fDrawState->fBlockEffectRemovalCnt;)
         return true;
     }
 }
 
 void GrDrawState::AutoViewMatrixRestore::doEffectCoordChanges(const SkMatrix& coordChangeMatrix) {
-    fSavedCoordChanges.reset(fDrawState->numTotalStages());
+    fSavedCoordChanges.reset(fDrawState->numFragmentStages());
     int i = 0;
 
     fNumColorStages = fDrawState->numColorStages();
     for (int s = 0; s < fNumColorStages; ++s, ++i) {
         fDrawState->getColorStage(s).saveCoordChange(&fSavedCoordChanges[i]);
         fDrawState->fColorStages[s].localCoordChange(coordChangeMatrix);
     }
 
     int numCoverageStages = fDrawState->numCoverageStages();
     for (int s = 0; s < numCoverageStages; ++s, ++i) {
@@ skipping 174 matching lines @@
         }
 
         // Since the shader will multiply coverage and color, the only way the final A==1 is if
         // coverage and color both have A==1.
         return (inoutColor.isOpaque() && inoutCoverage.isOpaque());
     }
 
     return inoutColor.isOpaque();
 }