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1 // Copyright 2014 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 CC_SURFACES_ONSCREEN_DISPLAY_CLIENT_H_ | |
6 #define CC_SURFACES_ONSCREEN_DISPLAY_CLIENT_H_ | |
7 | |
8 #include "cc/surfaces/display_client.h" | |
9 | |
10 #include "base/compiler_specific.h" | |
11 #include "base/memory/ref_counted.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "base/single_thread_task_runner.h" | |
14 #include "cc/surfaces/display.h" | |
15 #include "cc/surfaces/surfaces_export.h" | |
16 | |
17 namespace cc { | |
18 class ContextProvider; | |
19 class SurfaceManager; | |
20 class SurfaceDisplayOutputSurface; | |
21 | |
22 // This class provides a DisplayClient implementation for drawing directly to an | |
23 // onscreen context. | |
24 class CC_SURFACES_EXPORT OnscreenDisplayClient | |
25 : NON_EXPORTED_BASE(DisplayClient) { | |
26 public: | |
27 OnscreenDisplayClient( | |
28 scoped_ptr<OutputSurface> output_surface, | |
29 SurfaceManager* manager, | |
30 SharedBitmapManager* bitmap_manager, | |
31 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, | |
32 const RendererSettings& settings, | |
33 scoped_refptr<base::SingleThreadTaskRunner> task_runner); | |
34 ~OnscreenDisplayClient() override; | |
35 | |
36 bool Initialize(); | |
37 Display* display() { return display_.get(); } | |
38 void set_surface_output_surface(SurfaceDisplayOutputSurface* surface) { | |
39 surface_display_output_surface_ = surface; | |
40 } | |
41 | |
42 // DisplayClient implementation. | |
43 void DisplayDamaged() override; | |
44 void DidSwapBuffers() override; | |
45 void DidSwapBuffersComplete() override; | |
46 void CommitVSyncParameters(base::TimeTicks timebase, | |
47 base::TimeDelta interval) override; | |
48 void OutputSurfaceLost() override; | |
49 | |
50 bool output_surface_lost() { return output_surface_lost_; } | |
51 | |
52 private: | |
53 void ScheduleDraw(); | |
54 void Draw(); | |
55 | |
56 scoped_ptr<OutputSurface> output_surface_; | |
57 scoped_ptr<Display> display_; | |
58 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | |
59 SurfaceDisplayOutputSurface* surface_display_output_surface_; | |
60 bool scheduled_draw_; | |
61 bool output_surface_lost_; | |
62 // True if a draw should be scheduled, but it's hit the limit on max frames | |
63 // pending. | |
64 bool deferred_draw_; | |
65 int pending_frames_; | |
66 | |
67 base::WeakPtrFactory<OnscreenDisplayClient> weak_ptr_factory_; | |
68 | |
69 DISALLOW_COPY_AND_ASSIGN(OnscreenDisplayClient); | |
70 }; | |
71 | |
72 } // namespace cc | |
73 | |
74 #endif // CC_SURFACES_ONSCREEN_DISPLAY_CLIENT_H_ | |
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