Attach GrOptDrawState into shader building pipeline

include/gpu/GrEffectStage.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 120 matching lines @@
         }
     }
 
     const GrEffect* getEffect() const { return fEffect.get(); }
 
     const int* getVertexAttribIndices() const { return fVertexAttribIndices; }
     int getVertexAttribIndexCount() const { return fEffect->numVertexAttribs(); }
 
     void convertToPendingExec() { fEffect.convertToPendingExec(); }
 
+    void remapAttribIndices(const int* map) {
+        for (int i = 0; i < 2; ++i) {
+            if (-1 != fVertexAttribIndices[i]) {
+                fVertexAttribIndices[i] = map[fVertexAttribIndices[i]];
+            }
+        }
+    }
+
 private:
     bool                                fCoordChangeMatrixSet;
     SkMatrix                            fCoordChangeMatrix;
     GrProgramElementRef<const GrEffect> fEffect;
     int                                 fVertexAttribIndices[2];
 };
 
 #endif