Make GrDrawState and GrEffectStage use the pending io/exec ref mechanisms.

src/gpu/GrTextureAccess.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTextureAccess.h"
 #include "GrColor.h"
 #include "GrTexture.h"
@@ skipping 28 matching lines @@
     this->reset(texture, swizzle, filterMode, tileXAndY);
 }
 
 void GrTextureAccess::reset(GrTexture* texture,
                             const char* swizzle,
                             const GrTextureParams& params) {
     SkASSERT(texture);
     SkASSERT(strlen(swizzle) >= 1 && strlen(swizzle) <= 4);
 
     fParams = params;
-    fTexture.reset(SkRef(texture));
+    fTexture.setResource(SkRef(texture), GrProgramResource::kRead_IOType);
     this->setSwizzle(swizzle);
 }
 
 void GrTextureAccess::reset(GrTexture* texture,
                             const char* swizzle,
                             GrTextureParams::FilterMode filterMode,
                             SkShader::TileMode tileXAndY) {
     SkASSERT(texture);
     SkASSERT(strlen(swizzle) >= 1 && strlen(swizzle) <= 4);
 
     fParams.reset(tileXAndY, filterMode);
-    fTexture.reset(SkRef(texture));
+    fTexture.setResource(SkRef(texture), GrProgramResource::kRead_IOType);
     this->setSwizzle(swizzle);
 }
 
 void GrTextureAccess::reset(GrTexture* texture,
                             const GrTextureParams& params) {
     SkASSERT(texture);
-    fTexture.reset(SkRef(texture));
+    fTexture.setResource(SkRef(texture), GrProgramResource::kRead_IOType);
     fParams = params;
     memcpy(fSwizzle, "rgba", 5);
     fSwizzleMask = kRGBA_GrColorComponentFlags;
 }
 
 void GrTextureAccess::reset(GrTexture* texture,
                             GrTextureParams::FilterMode filterMode,
                             SkShader::TileMode tileXAndY) {
     SkASSERT(texture);
-    fTexture.reset(SkRef(texture));
+    fTexture.setResource(SkRef(texture), GrProgramResource::kRead_IOType);
     fParams.reset(tileXAndY, filterMode);
     memcpy(fSwizzle, "rgba", 5);
     fSwizzleMask = kRGBA_GrColorComponentFlags;
 }
 
 void GrTextureAccess::setSwizzle(const char* swizzle) {
     fSwizzleMask = 0;
     memset(fSwizzle, '\0', 5);
     for (int i = 0; i < 4 && '\0' != swizzle[i]; ++i) {
         fSwizzle[i] = swizzle[i];
         switch (swizzle[i]) {
             case 'r':
                 fSwizzleMask |= kR_GrColorComponentFlag;
                 break;
             case 'g':
                 fSwizzleMask |= kG_GrColorComponentFlag;
                 break;
             case 'b':
                 fSwizzleMask |= kB_GrColorComponentFlag;
                 break;
             case 'a':
                 fSwizzleMask |= kA_GrColorComponentFlag;
                 break;
             default:
                 SkFAIL("Unexpected swizzle string character.");
                 break;
         }
     }
 }