Generating gl processor key is now recursive

src/gpu/GrPrimitiveProcessor.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrPrimitiveProcessor.h"
 
 #include "GrCoordTransform.h"
@@ skipping 19 matching lines @@
 
 /**
  * We specialize the vertex code for each of these matrix types.
  */
 enum MatrixType {
     kNoPersp_MatrixType  = 0,
     kGeneral_MatrixType  = 1,
 };
 
 uint32_t
-GrPrimitiveProcessor::getTransformKey(const SkTArray<const GrCoordTransform*, true>& coords) const {
+GrPrimitiveProcessor::getTransformKey(const SkTArray<const GrCoordTransform*, true>& coords,
+                                      int numCoords) const {
     uint32_t totalKey = 0;
-    for (int t = 0; t < coords.count(); ++t) {
+    for (int t = 0; t < numCoords; ++t) {
         uint32_t key = 0;
         const GrCoordTransform* coordTransform = coords[t];
         if (coordTransform->getMatrix().hasPerspective()) {
             key |= kGeneral_MatrixType;
         } else {
             key |= kNoPersp_MatrixType;
         }
 
         if (kLocal_GrCoordSet == coordTransform->sourceCoords() &&
             !this->hasExplicitLocalCoords()) {
             key |= kPositionCoords_Flag;
         } else if (kDevice_GrCoordSet == coordTransform->sourceCoords()) {
             key |= kDeviceCoords_Flag;
         }
 
         GR_STATIC_ASSERT(kGrSLPrecisionCount <= (1 << kPrecisionBits));
         key |= (coordTransform->precision() << kPrecisionShift);
 
         key <<= kTransformKeyBits * t;
 
         SkASSERT(0 == (totalKey & key)); // keys for each transform ought not to overlap
         totalKey |= key;
     }
     return totalKey;
 }