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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 CC_OUTPUT_OVERLAY_PROCESSOR_H_ | 5 #ifndef CC_OUTPUT_OVERLAY_PROCESSOR_H_ |
6 #define CC_OUTPUT_OVERLAY_PROCESSOR_H_ | 6 #define CC_OUTPUT_OVERLAY_PROCESSOR_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "cc/base/cc_export.h" | |
11 #include "cc/output/overlay_candidate.h" | 10 #include "cc/output/overlay_candidate.h" |
12 #include "cc/quads/render_pass.h" | 11 #include "cc/quads/render_pass.h" |
13 | 12 |
14 namespace cc { | 13 namespace cc { |
15 class OutputSurface; | 14 class OutputSurface; |
16 class ResourceProvider; | 15 class ResourceProvider; |
17 | 16 |
18 class CC_EXPORT OverlayProcessor { | 17 class OverlayProcessor { |
19 public: | 18 public: |
20 class CC_EXPORT Strategy { | 19 class Strategy { |
21 public: | 20 public: |
22 virtual ~Strategy() {} | 21 virtual ~Strategy() {} |
23 // Returns false if the strategy cannot be made to work with the | 22 // Returns false if the strategy cannot be made to work with the |
24 // current set of render passes. Returns true if the strategy was successful | 23 // current set of render passes. Returns true if the strategy was successful |
25 // and adds any additional passes necessary to represent overlays to | 24 // and adds any additional passes necessary to represent overlays to |
26 // |render_passes_in_draw_order|. | 25 // |render_passes_in_draw_order|. |
27 virtual bool Attempt(RenderPassList* render_passes_in_draw_order, | 26 virtual bool Attempt(RenderPassList* render_passes_in_draw_order, |
28 OverlayCandidateList* candidates) = 0; | 27 OverlayCandidateList* candidates) = 0; |
29 }; | 28 }; |
30 typedef ScopedPtrVector<Strategy> StrategyList; | 29 typedef ScopedPtrVector<Strategy> StrategyList; |
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42 OutputSurface* surface_; | 41 OutputSurface* surface_; |
43 ResourceProvider* resource_provider_; | 42 ResourceProvider* resource_provider_; |
44 | 43 |
45 private: | 44 private: |
46 DISALLOW_COPY_AND_ASSIGN(OverlayProcessor); | 45 DISALLOW_COPY_AND_ASSIGN(OverlayProcessor); |
47 }; | 46 }; |
48 | 47 |
49 } // namespace cc | 48 } // namespace cc |
50 | 49 |
51 #endif // CC_OUTPUT_OVERLAY_PROCESSOR_H_ | 50 #endif // CC_OUTPUT_OVERLAY_PROCESSOR_H_ |
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