fix for winvdows nvpr

src/gpu/GrGeometryProcessor.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 "GrGeometryProcessor.h"
 
 #include "GrCoordTransform.h"
@@ skipping 373 matching lines @@
         tout->push_back_n(tin.count());
         fInstalledTransforms.push_back_n(tin.count());
         for (int i = 0; i < tin.count(); i++) {
             const ProcCoords& coordTransforms = tin[i];
             fInstalledTransforms[i].push_back_n(coordTransforms.count());
             for (int t = 0; t < coordTransforms.count(); t++) {
                 GrSLType varyingType =
                         coordTransforms[t]->getMatrix().hasPerspective() ? kVec3f_GrSLType :
                                                                            kVec2f_GrSLType;
 
-                const char* varyingName = "MatrixCoord";
-                SkString suffixedVaryingName;
-                if (0 != t) {
-                    suffixedVaryingName.append(varyingName);
-                    suffixedVaryingName.appendf("_%i", t);
-                    varyingName = suffixedVaryingName.c_str();
-                }
+
+                SkString strVaryingName("MatrixCoord");
+                strVaryingName.appendf("_%i_%i", i, t);
                 GrGLVertToFrag v(varyingType);
-                pb->addVarying(varyingName, &v);
+                pb->addVarying(strVaryingName.c_str(), &v);
                 SeparableVaryingInfo& varyingInfo = fSeparableVaryingInfos.push_back();
                 varyingInfo.fVariable = pb->getFragmentShaderBuilder()->fInputs.back();
                 varyingInfo.fLocation = fSeparableVaryingInfos.count() - 1;
                 varyingInfo.fType = varyingType;
                 fInstalledTransforms[i][t].fHandle = ShaderVarHandle(varyingInfo.fLocation);
                 fInstalledTransforms[i][t].fType = varyingType;
 
                 SkNEW_APPEND_TO_TARRAY(&(*tout)[i], GrGLProcessor::TransformedCoords,
                                        (SkString(v.fsIn()), varyingType));
             }
@@ skipping 118 matching lines @@
                                                           const GrGLCaps& caps) const {
     SkASSERT(caps.nvprSupport() != GrGLCaps::kNone_NvprSupport);
     if (caps.nvprSupport() == GrGLCaps::kLegacy_NvprSupport) {
         return SkNEW_ARGS(GrGLLegacyPathProcessor, (*this, bt,
                                                     caps.maxFixedFunctionTextureCoords()));
     } else {
         return SkNEW_ARGS(GrGLNormalPathProcessor, (*this, bt));
     }
 }