Don't compare coord change matrices to determine effect compatibility when using explicit local coo…

src/gpu/GrDrawState.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawState_DEFINED
 #define GrDrawState_DEFINED
 
@@ skipping 875 matching lines @@
             fDstBlend != that.fDstBlend ||
             fBlendConstant != that.fBlendConstant ||
             fFlagBits != that.fFlagBits ||
             fVACount != that.fVACount ||
             memcmp(fVAPtr, that.fVAPtr, fVACount * sizeof(GrVertexAttrib)) ||
             fStencilSettings != that.fStencilSettings ||
             fCoverage != that.fCoverage ||
             fDrawFace != that.fDrawFace) {
             return false;
         }
+
+        bool explicitLocalCoords = this->hasLocalCoordAttribute();
         for (int i = 0; i < fColorStages.count(); i++) {
-            if (fColorStages[i] != that.fColorStages[i]) {
+            if (!GrEffectStage::AreCompatible(fColorStages[i], that.fColorStages[i],
+                explicitLocalCoords)) {
                 return false;
             }
         }
         for (int i = 0; i < fCoverageStages.count(); i++) {
-            if (fCoverageStages[i] != that.fCoverageStages[i]) {
+            if (!GrEffectStage::AreCompatible(fCoverageStages[i], that.fCoverageStages[i],
+                explicitLocalCoords)) {
                 return false;
             }
         }
         SkASSERT(0 == memcmp(fFixedFunctionVertexAttribIndices,
                              that.fFixedFunctionVertexAttribIndices,
                              sizeof(fFixedFunctionVertexAttribIndices)));
         return true;
     }
     bool operator !=(const GrDrawState& s) const { return !(*this == s); }
 
@@ skipping 92 matching lines @@
      *  @param count      the number of attributes being set, limited to kMaxVertexAttribCnt.
      */
     void setVertexAttribs(const GrVertexAttrib attribs[], int count);
 
     typedef SkRefCnt INHERITED;
 };
 
 GR_MAKE_BITFIELD_OPS(GrDrawState::BlendOptFlags);
 
 #endif