Start cleaning up 64bit Win warnings

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 996 matching lines @@
 
         void restoreTo(GrDrawState* drawState) {
             SkASSERT(fInitialized);
             drawState->fCommon = fCommon;
             drawState->setRenderTarget(fRenderTarget);
             // reinflate color/cov stage arrays.
             drawState->fColorStages.reset();
             for (int i = 0; i < fColorStageCnt; ++i) {
                 SkNEW_APPEND_TO_TARRAY(&drawState->fColorStages, GrEffectStage, (fStages[i]));
             }
-            int coverageStageCnt = fStages.count() - fColorStageCnt;
+            int coverageStageCnt = int(fStages.count()) - fColorStageCnt;

[bsalomon, 2013/10/14 15:17:02]

I think we conventionally write this cast as (int)fStages.count() or
static_cast<int>(fStages.count()).

Also, I think SkAutoSTArray is violating the bytes-are-size_t-and-counts-are-int
style and that its count() function should return an int.

[robertphillips, 2013/10/14 17:39:26]

Done.

             drawState->fCoverageStages.reset();
             for (int i = 0; i < coverageStageCnt; ++i) {
                 SkNEW_APPEND_TO_TARRAY(&drawState->fCoverageStages,
                                         GrEffectStage, (fStages[i + fColorStageCnt]));
             }
         }
 
         bool isEqual(const GrDrawState& state) const {
-            int numCoverageStages = fStages.count() - fColorStageCnt;
+            int numCoverageStages = int(fStages.count()) - fColorStageCnt;
             if (fRenderTarget != state.fRenderTarget.get() ||
                 fColorStageCnt != state.fColorStages.count() ||
                 numCoverageStages != state.fCoverageStages.count() ||
                 fCommon != state.fCommon) {
                 return false;
             }
             bool explicitLocalCoords = state.hasLocalCoordAttribute();
             for (int i = 0; i < fColorStageCnt; ++i) {
                 if (!fStages[i].isEqual(state.fColorStages[i], explicitLocalCoords)) {
                     return false;
@@ skipping 39 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