cc: Adding support for RGBA_4444 tile textures

cc/resources/resource_pool.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_pool.h"
 
 #include "cc/resources/resource_provider.h"
 
 namespace cc {
 
 ResourcePool::Resource::Resource(cc::ResourceProvider* resource_provider,
                                  gfx::Size size,
-                                 GLenum format)
+                                 ResourceFormat format)
     : cc::Resource(resource_provider->CreateManagedResource(
                        size,
-                       format,
                        GL_CLAMP_TO_EDGE,
-                       ResourceProvider::TextureUsageAny),
+                       ResourceProvider::TextureUsageAny,
+                       format),
                    size,
                    format),
       resource_provider_(resource_provider) {
   DCHECK(id());
 }
 
 ResourcePool::Resource::~Resource() {
   DCHECK(id());
   DCHECK(resource_provider_);
   resource_provider_->DeleteResource(id());
 }
 
 ResourcePool::ResourcePool(ResourceProvider* resource_provider)
     : resource_provider_(resource_provider),
       max_memory_usage_bytes_(0),
       max_unused_memory_usage_bytes_(0),
       max_resource_count_(0),
       memory_usage_bytes_(0),
       unused_memory_usage_bytes_(0),
       resource_count_(0) {
 }
 
 ResourcePool::~ResourcePool() {
   SetResourceUsageLimits(0, 0, 0);
 }
 
 scoped_ptr<ResourcePool::Resource> ResourcePool::AcquireResource(
-    gfx::Size size, GLenum format) {
+    gfx::Size size, ResourceFormat format) {
   for (ResourceList::iterator it = unused_resources_.begin();
        it != unused_resources_.end(); ++it) {
     Resource* resource = *it;
 
     if (!resource_provider_->CanLockForWrite(resource->id()))
       continue;
     if (resource->size() != size)
       continue;
     if (resource->format() != format)
       continue;
@@ skipping 64 matching lines @@
   if (resource_count_ > max_resource_count_)
     return true;
   if (memory_usage_bytes_ > max_memory_usage_bytes_)
     return true;
   if (unused_memory_usage_bytes_ > max_unused_memory_usage_bytes_)
     return true;
   return false;
 }
 
 }  // namespace cc