Rename flushForExternalRead->flushForExternalIO and always call in SkSurface::getTextureHandle

src/image/SkImage.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 "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkData.h"
@@ skipping 104 matching lines @@
 }
 
 #if SK_SUPPORT_GPU
 
 GrTexture* SkImage::getTexture() const {
     return as_IB(this)->getTexture();
 }
 
 bool SkImage::isTextureBacked() const { return SkToBool(as_IB(this)->getTexture()); }
 
-GrBackendObject SkImage::getTextureHandle(bool flushPendingGrContextReads) const {
+GrBackendObject SkImage::getTextureHandle(bool flushPendingGrContextIO) const {
     GrTexture* texture = as_IB(this)->getTexture();
     if (texture) {
         GrContext* context = texture->getContext();
         if (context) {            
-            if (flushPendingGrContextReads) {
-                context->prepareSurfaceForExternalRead(texture);
+            if (flushPendingGrContextIO) {
+                context->prepareSurfaceForExternalIO(texture);
             }
         }
         return texture->getTextureHandle();
     }
     return 0;
 }
 
 #else
 
 GrTexture* SkImage::getTexture() const { return NULL; }
 
 bool SkImage::isTextureBacked() const { return false; }
 
-GrBackendObject SkImage::getTextureHandle(bool flushPendingGrContextReads) const { return 0; }
+GrBackendObject SkImage::getTextureHandle(bool) const { return 0; }
 
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static bool raster_canvas_supports(const SkImageInfo& info) {
     switch (info.colorType()) {
         case kN32_SkColorType:
             return kUnpremul_SkAlphaType != info.alphaType();
         case kRGB_565_SkColorType:
@@ skipping 80 matching lines @@
 
 SkImage* SkImage::NewFromAdoptedTexture(GrContext*, const GrBackendTextureDesc&, SkAlphaType) {
     return NULL;
 }
 
 SkImage* SkImage::NewFromTextureCopy(GrContext*, const GrBackendTextureDesc&, SkAlphaType) {
     return NULL;
 }
 
 #endif