- add sources.
[platform/framework/web/crosswalk.git] / src / gpu / command_buffer / client / gpu_memory_buffer_tracker.h
1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_TRACKER_H_
6 #define GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_TRACKER_H_
7
8 #include "base/basictypes.h"
9 #include "gles2_impl_export.h"
10 #include "gpu/command_buffer/client/hash_tables.h"
11
12 namespace gfx {
13 class GpuMemoryBuffer;
14 }
15
16 namespace gpu {
17 class GpuControl;
18
19 namespace gles2 {
20
21 // Tracks GPU memory buffer objects on the client side.
22 class GLES2_IMPL_EXPORT GpuMemoryBufferTracker {
23  public:
24   explicit GpuMemoryBufferTracker(GpuControl* gpu_control);
25   virtual ~GpuMemoryBufferTracker();
26
27   int32 CreateBuffer(size_t width, size_t height, int32 internalformat);
28   gfx::GpuMemoryBuffer* GetBuffer(int32 image_id);
29   void RemoveBuffer(int32 image_id);
30
31  private:
32   typedef gpu::hash_map<int32, gfx::GpuMemoryBuffer*> BufferMap;
33   BufferMap buffers_;
34   GpuControl* gpu_control_;
35
36   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferTracker);
37 };
38
39 }  // namespace gles2
40 }  // namespace gpu
41
42 #endif  // GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_TRACKER_H_