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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 <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/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "base/memory/singleton.h" | 14 #include "base/memory/singleton.h" |
15 #include "base/synchronization/lock.h" | 15 #include "base/synchronization/lock.h" |
16 #include "content/common/content_export.h" | 16 #include "content/common/content_export.h" |
17 #include "content/common/gpu/gpu_surface_lookup.h" | 17 #include "gpu/ipc/common/gpu_surface_lookup.h" |
18 #include "gpu/ipc/common/surface_handle.h" | 18 #include "gpu/ipc/common/surface_handle.h" |
19 #include "ui/gfx/geometry/size.h" | 19 #include "ui/gfx/geometry/size.h" |
20 #include "ui/gfx/native_widget_types.h" | 20 #include "ui/gfx/native_widget_types.h" |
21 | 21 |
22 namespace content { | 22 namespace content { |
23 | 23 |
24 // This class is responsible for managing rendering surfaces exposed to the | 24 // This class is responsible for managing rendering surfaces exposed to the |
25 // GPU process. Every surface gets registered to this class, and gets an ID. | 25 // GPU process. Every surface gets registered to this class, and gets an ID. |
26 // All calls to and from the GPU process, with the exception of | 26 // All calls to and from the GPU process, with the exception of |
27 // CreateViewCommandBuffer, refer to the rendering surface by its ID. | 27 // CreateViewCommandBuffer, refer to the rendering surface by its ID. |
28 // This class is thread safe. | 28 // This class is thread safe. |
29 // | 29 // |
30 // Note: The ID can exist before the actual native handle for the surface is | 30 // Note: The ID can exist before the actual native handle for the surface is |
31 // created, for example to allow giving a reference to it to a renderer, so that | 31 // created, for example to allow giving a reference to it to a renderer, so that |
32 // it is unamibiguously identified. | 32 // it is unamibiguously identified. |
33 class CONTENT_EXPORT GpuSurfaceTracker : public GpuSurfaceLookup { | 33 class CONTENT_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_id. | 36 // Returns the native widget associated with a given surface_id. |
37 gfx::AcceleratedWidget AcquireNativeWidget(int surface_id) override; | 37 gfx::AcceleratedWidget AcquireNativeWidget(int surface_id) override; |
38 | 38 |
39 // Gets the global instance of the surface tracker. | 39 // Gets the global instance of the surface tracker. |
40 static GpuSurfaceTracker* Get() { return GetInstance(); } | 40 static GpuSurfaceTracker* Get() { return GetInstance(); } |
41 | 41 |
42 // Adds a surface for a native widget. Returns the surface ID. | 42 // Adds a surface for a native widget. Returns the surface ID. |
43 int AddSurfaceForNativeWidget(gfx::AcceleratedWidget widget); | 43 int AddSurfaceForNativeWidget(gfx::AcceleratedWidget widget); |
(...skipping 23 matching lines...) Expand all Loading... |
67 base::Lock lock_; | 67 base::Lock lock_; |
68 SurfaceMap surface_map_; | 68 SurfaceMap surface_map_; |
69 int next_surface_id_; | 69 int next_surface_id_; |
70 | 70 |
71 DISALLOW_COPY_AND_ASSIGN(GpuSurfaceTracker); | 71 DISALLOW_COPY_AND_ASSIGN(GpuSurfaceTracker); |
72 }; | 72 }; |
73 | 73 |
74 } // namespace content | 74 } // namespace content |
75 | 75 |
76 #endif // CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ | 76 #endif // CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_ |
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