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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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25 | 25 |
26 #ifndef WebExternalTextureLayer_h | 26 #ifndef WebExternalTextureLayer_h |
27 #define WebExternalTextureLayer_h | 27 #define WebExternalTextureLayer_h |
28 | 28 |
29 #include "WebCommon.h" | 29 #include "WebCommon.h" |
30 #include "WebFloatRect.h" | 30 #include "WebFloatRect.h" |
31 #include "WebLayer.h" | 31 #include "WebLayer.h" |
32 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 class WebExternalTextureLayerClient; | |
36 | |
37 // This class represents a layer that renders a texture that is generated | 35 // This class represents a layer that renders a texture that is generated |
38 // externally (not managed by the WebLayerTreeView). | 36 // externally (not managed by the WebLayerTreeView). |
39 // The texture will be used by the WebLayerTreeView during compositing passes. | 37 // The texture will be used by the WebLayerTreeView during compositing passes. |
40 // When in single-thread mode, this means during WebLayerTreeView::composite(). | 38 // When in single-thread mode, this means during WebLayerTreeView::composite(). |
41 // When using the threaded compositor, this can mean at an arbitrary time until | 39 // When using the threaded compositor, this can mean at an arbitrary time until |
42 // the WebLayerTreeView is destroyed. | 40 // the WebLayerTreeView is destroyed. |
43 class WebExternalTextureLayer { | 41 class WebExternalTextureLayer { |
44 public: | 42 public: |
45 virtual ~WebExternalTextureLayer() { } | 43 virtual ~WebExternalTextureLayer() { } |
46 | 44 |
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60 virtual void setBlendBackgroundColor(bool) = 0; | 58 virtual void setBlendBackgroundColor(bool) = 0; |
61 | 59 |
62 // Sets whether this context should be rate limited by the compositor. Rate
limiting works by blocking | 60 // Sets whether this context should be rate limited by the compositor. Rate
limiting works by blocking |
63 // invalidate() and invalidateRect() calls if the compositor is too many fra
mes behind. | 61 // invalidate() and invalidateRect() calls if the compositor is too many fra
mes behind. |
64 virtual void setRateLimitContext(bool) = 0; | 62 virtual void setRateLimitContext(bool) = 0; |
65 }; | 63 }; |
66 | 64 |
67 } // namespace blink | 65 } // namespace blink |
68 | 66 |
69 #endif // WebExternalTextureLayer_h | 67 #endif // WebExternalTextureLayer_h |
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