Change glimage to accept a type.

cc/resources/resource_provider.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/resources/resource_provider.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/containers/hash_tables.h"
@@ skipping 2139 matching lines @@
 
   if (resource->image_id)
     return;
 
   resource->allocated = true;
   GLES2Interface* gl = ContextGL();
   DCHECK(gl);
   resource->image_id =
       gl->CreateImageCHROMIUM(resource->size.width(),
                               resource->size.height(),
-                              TextureToStorageFormat(resource->format));
+                              TextureToStorageFormat(resource->format),
+                              GL_IMAGE_MAP_CHROMIUM);
   DCHECK(resource->image_id);
 }
 
 void ResourceProvider::ReleaseImage(Resource* resource) {
   DCHECK(resource->origin == Resource::Internal);
   DCHECK_EQ(resource->exported_count, 0);
 
   if (!resource->image_id)
     return;
 
   GLES2Interface* gl = ContextGL();
   DCHECK(gl);
   gl->DestroyImageCHROMIUM(resource->image_id);
   resource->image_id = 0;
   resource->bound_image_id = 0;
   resource->dirty_image = false;
   resource->allocated = false;
 }
 
 uint8_t* ResourceProvider::MapImage(const Resource* resource, int* stride) {
   DCHECK(ReadLockFenceHasPassed(resource));
   DCHECK(resource->origin == Resource::Internal);
   DCHECK_EQ(resource->exported_count, 0);
 
   if (resource->type == GLTexture) {
     DCHECK(resource->image_id);
     GLES2Interface* gl = ContextGL();
     DCHECK(gl);
     // MapImageCHROMIUM should be called prior to GetImageParameterivCHROMIUM.
-    uint8_t* pixels = static_cast<uint8_t*>(
-        gl->MapImageCHROMIUM(resource->image_id, GL_READ_WRITE));
+    uint8_t* pixels =
+        static_cast<uint8_t*>(gl->MapImageCHROMIUM(resource->image_id));
     gl->GetImageParameterivCHROMIUM(
         resource->image_id, GL_IMAGE_ROWBYTES_CHROMIUM, stride);
     return pixels;
   }
   DCHECK_EQ(Bitmap, resource->type);
   *stride = 0;
   return resource->pixels;
 }
 
 void ResourceProvider::UnmapImage(const Resource* resource) {
@@ skipping 73 matching lines @@
   ContextProvider* context_provider = output_surface_->context_provider();
   return context_provider ? context_provider->ContextGL() : NULL;
 }
 
 class GrContext* ResourceProvider::GrContext() const {
   ContextProvider* context_provider = output_surface_->context_provider();
   return context_provider ? context_provider->GrContext() : NULL;
 }
 
 }  // namespace cc