Track managed memory usage in the command buffer.

gpu/command_buffer/service/buffer_manager.h

 // Copyright (c) 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 GPU_COMMAND_BUFFER_SERVICE_BUFFER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_BUFFER_MANAGER_H_
 
 #include <map>
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/service/gl_utils.h"
+#include "gpu/command_buffer/service/memory_tracking.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 namespace gles2 {
 
-class MemoryTracker;
-class MemoryTypeTracker;
-
 // This class keeps track of the buffers and their sizes so we can do
 // bounds checking.
 //
 // NOTE: To support shared resources an instance of this class will need to be
 // shared by multiple GLES2Decoders.
 class GPU_EXPORT BufferManager {
  public:
   // Info about Buffers currently in the system.
   class GPU_EXPORT BufferInfo : public base::RefCounted<BufferInfo> {
    public:
@@ skipping 150 matching lines @@
   void SetInfo(BufferInfo* info, GLsizeiptr size, GLenum usage);
 
   // Sets the target of a buffer. Returns false if the target can not be set.
   bool SetTarget(BufferInfo* info, GLenum target);
 
   void set_allow_buffers_on_multiple_targets(bool allow) {
     allow_buffers_on_multiple_targets_ = allow;
   }
 
   size_t mem_represented() const {
-    return mem_represented_;
+    return memory_tracker_->GetMemRepresented();
   }
 
  private:
-  void UpdateMemRepresented();
-
   void StartTracking(BufferInfo* info);
   void StopTracking(BufferInfo* info);
 
-  scoped_ptr<MemoryTypeTracker> buffer_memory_tracker_;
+  scoped_ptr<MemoryTypeTracker> memory_tracker_;
 
   // Info for each buffer in the system.
   typedef base::hash_map<GLuint, BufferInfo::Ref> BufferInfoMap;
   BufferInfoMap buffer_infos_;
 
   // Whether or not buffers can be bound to multiple targets.
   bool allow_buffers_on_multiple_targets_;
 
-  size_t mem_represented_;
-
   // Counts the number of BufferInfo allocated with 'this' as its manager.
   // Allows to check no BufferInfo will outlive this.
   unsigned int buffer_info_count_;
 
   bool have_context_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_BUFFER_MANAGER_H_