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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" |
11 #include "base/memory/singleton.h" | 11 #include "base/memory/singleton.h" |
12 #include "base/synchronization/lock.h" | 12 #include "base/synchronization/lock.h" |
| 13 #include "content/common/gpu/gpu_surface_lookup.h" |
13 #include "ui/gfx/native_widget_types.h" | 14 #include "ui/gfx/native_widget_types.h" |
14 #include "ui/gfx/size.h" | 15 #include "ui/gfx/size.h" |
15 | 16 |
16 // This class is responsible for managing rendering surfaces exposed to the | 17 // This class is responsible for managing rendering surfaces exposed to the |
17 // GPU process. Every surface gets registered to this class, and gets an ID. | 18 // GPU process. Every surface gets registered to this class, and gets an ID. |
18 // All calls to and from the GPU process, with the exception of | 19 // All calls to and from the GPU process, with the exception of |
19 // CreateViewCommandBuffer, refer to the rendering surface by its ID. | 20 // CreateViewCommandBuffer, refer to the rendering surface by its ID. |
20 // This class is thread safe. | 21 // This class is thread safe. |
21 // | 22 // |
22 // Note: The ID can exist before the actual native handle for the surface is | 23 // Note: The ID can exist before the actual native handle for the surface is |
23 // created, for example to allow giving a reference to it to a renderer, so that | 24 // created, for example to allow giving a reference to it to a renderer, so that |
24 // it is unamibiguously identified. | 25 // it is unamibiguously identified. |
25 class GpuSurfaceTracker { | 26 class GpuSurfaceTracker : public GpuSurfaceLookup { |
26 public: | 27 public: |
| 28 // GpuSurfaceLookup implementation: |
| 29 // Returns the native widget associated with a given surface_id. |
| 30 virtual gfx::AcceleratedWidget GetNativeWidget(int surface_id) OVERRIDE; |
| 31 |
27 // Gets the global instance of the surface tracker. | 32 // Gets the global instance of the surface tracker. |
28 static GpuSurfaceTracker* Get() { return GetInstance(); } | 33 static GpuSurfaceTracker* Get() { return GetInstance(); } |
29 | 34 |
30 // Adds a surface for a given RenderWidgetHost. |renderer_id| is the renderer | 35 // Adds a surface for a given RenderWidgetHost. |renderer_id| is the renderer |
31 // process ID, |render_widget_id| is the RenderWidgetHost route id within that | 36 // process ID, |render_widget_id| is the RenderWidgetHost route id within that |
32 // renderer. Returns the surface ID. | 37 // renderer. Returns the surface ID. |
33 int AddSurfaceForRenderer(int renderer_id, int render_widget_id); | 38 int AddSurfaceForRenderer(int renderer_id, int render_widget_id); |
34 | 39 |
35 // Looks up a surface for a given RenderWidgetHost. Returns the surface | 40 // Looks up a surface for a given RenderWidgetHost. Returns the surface |
36 // ID, or 0 if not found. | 41 // ID, or 0 if not found. |
(...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
81 ~GpuSurfaceTracker(); | 86 ~GpuSurfaceTracker(); |
82 | 87 |
83 base::Lock lock_; | 88 base::Lock lock_; |
84 SurfaceMap surface_map_; | 89 SurfaceMap surface_map_; |
85 int next_surface_id_; | 90 int next_surface_id_; |
86 | 91 |
87 DISALLOW_COPY_AND_ASSIGN(GpuSurfaceTracker); | 92 DISALLOW_COPY_AND_ASSIGN(GpuSurfaceTracker); |
88 }; | 93 }; |
89 | 94 |
90 #endif // CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ | 95 #endif // CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ |
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