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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef GPU_IPC_COMMON_GPU_SURFACE_TRACKER_H_ | 5 #ifndef GPU_IPC_COMMON_GPU_SURFACE_TRACKER_H_ |
6 #define GPU_IPC_COMMON_GPU_SURFACE_TRACKER_H_ | 6 #define GPU_IPC_COMMON_GPU_SURFACE_TRACKER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
11 | 11 |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/memory/singleton.h" | 13 #include "base/memory/singleton.h" |
14 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
15 #include "gpu/gpu_export.h" | 15 #include "gpu/gpu_export.h" |
16 #include "gpu/ipc/common/gpu_surface_lookup.h" | 16 #include "gpu/ipc/common/gpu_surface_lookup.h" |
17 #include "gpu/ipc/common/surface_handle.h" | 17 #include "gpu/ipc/common/surface_handle.h" |
18 #include "ui/gfx/native_widget_types.h" | 18 #include "ui/gfx/native_widget_types.h" |
19 | 19 |
20 namespace gpu { | 20 namespace gpu { |
21 | 21 |
22 // This class is used on Android and Mac, and is responsible for tracking native | 22 // This class is used on Android and Mac, and is responsible for tracking native |
23 // window surfaces exposed to the GPU process. Every surface gets registered to | 23 // window surfaces exposed to the GPU process. Every surface gets registered to |
24 // this class, and gets a handle. The handle can be passed to | 24 // this class, and gets a handle. The handle can be passed to |
25 // CommandBufferProxyImpl::Create or to | 25 // CommandBufferProxyImpl::Create or to |
26 // GpuMemoryBufferManager::AllocateGpuMemoryBuffer. | 26 // GpuMemoryBufferManager::CreateGpuMemoryBuffer. |
27 // On Android, the handle is used in the GPU process to get a reference to the | 27 // On Android, the handle is used in the GPU process to get a reference to the |
28 // ANativeWindow, using GpuSurfaceLookup (implemented by | 28 // ANativeWindow, using GpuSurfaceLookup (implemented by |
29 // SurfaceTextureManagerImpl). | 29 // SurfaceTextureManagerImpl). |
30 // On Mac, the handle just passes through the GPU process, and is sent back via | 30 // On Mac, the handle just passes through the GPU process, and is sent back via |
31 // GpuCommandBufferMsg_SwapBuffersCompleted to reference the surface. | 31 // GpuCommandBufferMsg_SwapBuffersCompleted to reference the surface. |
32 // This class is thread safe. | 32 // This class is thread safe. |
33 class GPU_EXPORT GpuSurfaceTracker : public gpu::GpuSurfaceLookup { | 33 class GPU_EXPORT GpuSurfaceTracker : public gpu::GpuSurfaceLookup { |
34 public: | 34 public: |
35 // GpuSurfaceLookup implementation: | 35 // GpuSurfaceLookup implementation: |
36 // Returns the native widget associated with a given surface_handle. | 36 // Returns the native widget associated with a given surface_handle. |
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82 SurfaceViewMap surface_view_map_; | 82 SurfaceViewMap surface_view_map_; |
83 #endif | 83 #endif |
84 | 84 |
85 DISALLOW_COPY_AND_ASSIGN(GpuSurfaceTracker); | 85 DISALLOW_COPY_AND_ASSIGN(GpuSurfaceTracker); |
86 }; | 86 }; |
87 | 87 |
88 } // namespace ui | 88 } // namespace ui |
89 | 89 |
90 #endif // GPU_IPC_COMMON_GPU_SURFACE_TRACKER_H_ | 90 #endif // GPU_IPC_COMMON_GPU_SURFACE_TRACKER_H_ |
91 | 91 |
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