cc: Adding support for RGBA_4444 tile textures

cc/resources/prioritized_resource_manager.h

 // 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.
 
 #ifndef CC_RESOURCES_PRIORITIZED_RESOURCE_MANAGER_H_
 #define CC_RESOURCES_PRIORITIZED_RESOURCE_MANAGER_H_
 
 #include <list>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "cc/base/cc_export.h"
 #include "cc/resources/prioritized_resource.h"
 #include "cc/resources/priority_calculator.h"
 #include "cc/resources/resource.h"
 #include "cc/trees/proxy.h"
-#include "third_party/khronos/GLES2/gl2.h"
 #include "ui/gfx/size.h"
 
 #if defined(COMPILER_GCC)
 namespace BASE_HASH_NAMESPACE {
 template <> struct hash<cc::PrioritizedResource*> {
   size_t operator()(cc::PrioritizedResource* ptr) const {
     return hash<size_t>()(reinterpret_cast<size_t>(ptr));
   }
 };
 }  // namespace BASE_HASH_NAMESPACE
 #endif  // COMPILER
 
 namespace cc {
 
 class PriorityCalculator;
 class Proxy;
 
 class CC_EXPORT PrioritizedResourceManager {
  public:
   static scoped_ptr<PrioritizedResourceManager> Create(const Proxy* proxy) {
     return make_scoped_ptr(new PrioritizedResourceManager(proxy));
   }
-  scoped_ptr<PrioritizedResource> CreateTexture(gfx::Size size, GLenum format) {
+  scoped_ptr<PrioritizedResource> CreateTexture(
+      gfx::Size size, ResourceFormat format) {
     return make_scoped_ptr(new PrioritizedResource(this, size, format));
   }
   ~PrioritizedResourceManager();
 
   typedef std::list<PrioritizedResource::Backing*> BackingList;
 
   // TODO(epenner): (http://crbug.com/137094) This 64MB default is a straggler
   // from the old texture manager and is just to give us a default memory
   // allocation before we get a callback from the GPU memory manager. We
   // should probaby either:
@@ skipping 123 matching lines @@
 
   explicit PrioritizedResourceManager(const Proxy* proxy);
 
   bool EvictBackingsToReduceMemory(size_t limit_bytes,
                                    int priority_cutoff,
                                    EvictionPolicy eviction_policy,
                                    UnlinkPolicy unlink_policy,
                                    ResourceProvider* resource_provider);
   PrioritizedResource::Backing* CreateBacking(
       gfx::Size size,
-      GLenum format,
+      ResourceFormat format,
       ResourceProvider* resource_provider);
   void EvictFirstBackingResource(ResourceProvider* resource_provider);
   void SortBackings();
 
   void AssertInvariants();
 
   size_t max_memory_limit_bytes_;
   // The priority cutoff based on memory pressure. This is not a strict
   // cutoff -- RequestLate allows textures with priority equal to this
   // cutoff to be allowed.
@@ skipping 34 matching lines @@
   // Statistics copied at the time of PushTexturePrioritiesToBackings.
   size_t memory_visible_last_pushed_bytes_;
   size_t memory_visible_and_nearby_last_pushed_bytes_;
 
   DISALLOW_COPY_AND_ASSIGN(PrioritizedResourceManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_PRIORITIZED_RESOURCE_MANAGER_H_