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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 CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ | 5 #ifndef CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ |
6 #define CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ | 6 #define CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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22 // CreateViewCommandBuffer, refer to the rendering surface by its ID. | 22 // CreateViewCommandBuffer, refer to the rendering surface by its ID. |
23 // This class is thread safe. | 23 // This class is thread safe. |
24 // | 24 // |
25 // Note: The ID can exist before the actual native handle for the surface is | 25 // Note: The ID can exist before the actual native handle for the surface is |
26 // created, for example to allow giving a reference to it to a renderer, so that | 26 // created, for example to allow giving a reference to it to a renderer, so that |
27 // it is unamibiguously identified. | 27 // it is unamibiguously identified. |
28 class GpuSurfaceTracker : public GpuSurfaceLookup { | 28 class GpuSurfaceTracker : public GpuSurfaceLookup { |
29 public: | 29 public: |
30 // GpuSurfaceLookup implementation: | 30 // GpuSurfaceLookup implementation: |
31 // Returns the native widget associated with a given surface_id. | 31 // Returns the native widget associated with a given surface_id. |
32 virtual gfx::AcceleratedWidget GetNativeWidget(int surface_id) OVERRIDE; | 32 virtual gfx::AcceleratedWidget AcquireNativeWidget(int surface_id) OVERRIDE; |
33 | 33 |
34 // Gets the global instance of the surface tracker. | 34 // Gets the global instance of the surface tracker. |
35 static GpuSurfaceTracker* Get() { return GetInstance(); } | 35 static GpuSurfaceTracker* Get() { return GetInstance(); } |
36 | 36 |
37 // Adds a surface for a given RenderWidgetHost. |renderer_id| is the renderer | 37 // Adds a surface for a given RenderWidgetHost. |renderer_id| is the renderer |
38 // process ID, |render_widget_id| is the RenderWidgetHost route id within that | 38 // process ID, |render_widget_id| is the RenderWidgetHost route id within that |
39 // renderer. Returns the surface ID. | 39 // renderer. Returns the surface ID. |
40 int AddSurfaceForRenderer(int renderer_id, int render_widget_id); | 40 int AddSurfaceForRenderer(int renderer_id, int render_widget_id); |
41 | 41 |
42 // Looks up a surface for a given RenderWidgetHost. Returns the surface | 42 // Looks up a surface for a given RenderWidgetHost. Returns the surface |
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96 base::Lock lock_; | 96 base::Lock lock_; |
97 SurfaceMap surface_map_; | 97 SurfaceMap surface_map_; |
98 int next_surface_id_; | 98 int next_surface_id_; |
99 | 99 |
100 DISALLOW_COPY_AND_ASSIGN(GpuSurfaceTracker); | 100 DISALLOW_COPY_AND_ASSIGN(GpuSurfaceTracker); |
101 }; | 101 }; |
102 | 102 |
103 } // namespace content | 103 } // namespace content |
104 | 104 |
105 #endif // CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ | 105 #endif // CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ |
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