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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 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 CC_OUTPUT_OUTPUT_SURFACE_H_ | 5 #ifndef CC_OUTPUT_OUTPUT_SURFACE_H_ |
| 6 #define CC_OUTPUT_OUTPUT_SURFACE_H_ | 6 #define CC_OUTPUT_OUTPUT_SURFACE_H_ |
| 7 | 7 |
| 8 #include <deque> | 8 #include <deque> |
| 9 #include <memory> | 9 #include <memory> |
| 10 | 10 |
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| 28 | 28 |
| 29 namespace gfx { | 29 namespace gfx { |
| 30 class ColorSpace; | 30 class ColorSpace; |
| 31 class Rect; | 31 class Rect; |
| 32 class Size; | 32 class Size; |
| 33 class Transform; | 33 class Transform; |
| 34 } | 34 } |
| 35 | 35 |
| 36 namespace cc { | 36 namespace cc { |
| 37 | 37 |
| 38 class CompositorFrame; | |
| 39 struct ManagedMemoryPolicy; | 38 struct ManagedMemoryPolicy; |
| 40 class OutputSurfaceClient; | 39 class OutputSurfaceClient; |
| 40 class OutputSurfaceFrame; |
| 41 | 41 |
| 42 // Represents the output surface for a compositor. The compositor owns | 42 // Represents the output surface for a compositor. The compositor owns |
| 43 // and manages its destruction. Its lifetime is: | 43 // and manages its destruction. Its lifetime is: |
| 44 // 1. Created on the main thread by the LayerTreeHost through its client. | 44 // 1. Created on the main thread by the LayerTreeHost through its client. |
| 45 // 2. Passed to the compositor thread and bound to a client via BindToClient. | 45 // 2. Passed to the compositor thread and bound to a client via BindToClient. |
| 46 // From here on, it will only be used on the compositor thread. | 46 // From here on, it will only be used on the compositor thread. |
| 47 // 3. If the 3D context is lost, then the compositor will delete the output | 47 // 3. If the 3D context is lost, then the compositor will delete the output |
| 48 // surface (on the compositor thread) and go back to step 1. | 48 // surface (on the compositor thread) and go back to step 1. |
| 49 class CC_EXPORT OutputSurface : public base::trace_event::MemoryDumpProvider { | 49 class CC_EXPORT OutputSurface : public base::trace_event::MemoryDumpProvider { |
| 50 public: | 50 public: |
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| 124 virtual void ApplyExternalStencil() = 0; | 124 virtual void ApplyExternalStencil() = 0; |
| 125 | 125 |
| 126 // Gives the GL internal format that should be used for calling CopyTexImage2D | 126 // Gives the GL internal format that should be used for calling CopyTexImage2D |
| 127 // when the framebuffer is bound via BindFramebuffer(). | 127 // when the framebuffer is bound via BindFramebuffer(). |
| 128 virtual uint32_t GetFramebufferCopyTextureFormat() = 0; | 128 virtual uint32_t GetFramebufferCopyTextureFormat() = 0; |
| 129 | 129 |
| 130 // The implementation may destroy or steal the contents of the CompositorFrame | 130 // The implementation may destroy or steal the contents of the CompositorFrame |
| 131 // passed in (though it will not take ownership of the CompositorFrame | 131 // passed in (though it will not take ownership of the CompositorFrame |
| 132 // itself). For successful swaps, the implementation must call | 132 // itself). For successful swaps, the implementation must call |
| 133 // OutputSurfaceClient::DidSwapBuffersComplete() eventually. | 133 // OutputSurfaceClient::DidSwapBuffersComplete() eventually. |
| 134 virtual void SwapBuffers(CompositorFrame frame) = 0; | 134 virtual void SwapBuffers(OutputSurfaceFrame frame) = 0; |
| 135 | 135 |
| 136 // base::trace_event::MemoryDumpProvider implementation. | 136 // base::trace_event::MemoryDumpProvider implementation. |
| 137 bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args, | 137 bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args, |
| 138 base::trace_event::ProcessMemoryDump* pmd) override; | 138 base::trace_event::ProcessMemoryDump* pmd) override; |
| 139 | 139 |
| 140 protected: | 140 protected: |
| 141 void PostSwapBuffersComplete(); | 141 void PostSwapBuffersComplete(); |
| 142 | 142 |
| 143 // Used internally for the context provider to inform the client about loss, | 143 // Used internally for the context provider to inform the client about loss, |
| 144 // and can be overridden to change behaviour instead of informing the client. | 144 // and can be overridden to change behaviour instead of informing the client. |
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| 161 void OnSwapBuffersComplete(); | 161 void OnSwapBuffersComplete(); |
| 162 | 162 |
| 163 base::WeakPtrFactory<OutputSurface> weak_ptr_factory_; | 163 base::WeakPtrFactory<OutputSurface> weak_ptr_factory_; |
| 164 | 164 |
| 165 DISALLOW_COPY_AND_ASSIGN(OutputSurface); | 165 DISALLOW_COPY_AND_ASSIGN(OutputSurface); |
| 166 }; | 166 }; |
| 167 | 167 |
| 168 } // namespace cc | 168 } // namespace cc |
| 169 | 169 |
| 170 #endif // CC_OUTPUT_OUTPUT_SURFACE_H_ | 170 #endif // CC_OUTPUT_OUTPUT_SURFACE_H_ |
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