| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef OffscreenCanvasFrameDispatcherImpl_h |
| #define OffscreenCanvasFrameDispatcherImpl_h |
| |
| #include "cc/ipc/mojo_compositor_frame_sink.mojom-blink.h" |
| #include "cc/output/begin_frame_args.h" |
| #include "cc/resources/shared_bitmap.h" |
| #include "cc/surfaces/surface_id.h" |
| #include "cc/surfaces/surface_id_allocator.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| #include "platform/graphics/OffscreenCanvasFrameDispatcher.h" |
| #include "platform/graphics/StaticBitmapImage.h" |
| #include "wtf/Compiler.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class PLATFORM_EXPORT OffscreenCanvasFrameDispatcherImpl final |
| : public OffscreenCanvasFrameDispatcher, |
| NON_EXPORTED_BASE( |
| public cc::mojom::blink::MojoCompositorFrameSinkClient) { |
| public: |
| OffscreenCanvasFrameDispatcherImpl(OffscreenCanvasFrameDispatcherClient*, |
| uint32_t clientId, |
| uint32_t sinkId, |
| int canvasId, |
| int width, |
| int height); |
| |
| // OffscreenCanvasFrameDispatcher implementation. |
| ~OffscreenCanvasFrameDispatcherImpl() final; |
| void setNeedsBeginFrame(bool) final; |
| void dispatchFrame(RefPtr<StaticBitmapImage>, |
| double commitStartTime, |
| bool isWebGLSoftwareRendering = false) final; |
| void reclaimResource(unsigned resourceId) final; |
| void reshape(int width, int height) final; |
| |
| // cc::mojom::blink::MojoCompositorFrameSinkClient implementation. |
| void DidReceiveCompositorFrameAck() final; |
| void OnBeginFrame(const cc::BeginFrameArgs&) final; |
| void ReclaimResources(const cc::ReturnedResourceArray& resources) final; |
| void WillDrawSurface() final; |
| |
| // This enum is used in histogram, so it should be append-only. |
| enum OffscreenCanvasCommitType { |
| CommitGPUCanvasGPUCompositing = 0, |
| CommitGPUCanvasSoftwareCompositing = 1, |
| CommitSoftwareCanvasGPUCompositing = 2, |
| CommitSoftwareCanvasSoftwareCompositing = 3, |
| OffscreenCanvasCommitTypeCount, |
| }; |
| |
| private: |
| // Surface-related |
| cc::SurfaceIdAllocator m_surfaceIdAllocator; |
| const cc::FrameSinkId m_frameSinkId; |
| cc::LocalSurfaceId m_currentLocalSurfaceId; |
| |
| int m_width; |
| int m_height; |
| bool m_changeSizeForNextCommit; |
| bool m_needsBeginFrame; |
| |
| unsigned m_nextResourceId; |
| HashMap<unsigned, RefPtr<StaticBitmapImage>> m_cachedImages; |
| HashMap<unsigned, std::unique_ptr<cc::SharedBitmap>> m_sharedBitmaps; |
| HashMap<unsigned, GLuint> m_cachedTextureIds; |
| HashSet<unsigned> m_spareResourceLocks; |
| |
| bool verifyImageSize(const IntSize); |
| void postImageToPlaceholder(RefPtr<StaticBitmapImage>); |
| |
| cc::mojom::blink::MojoCompositorFrameSinkPtr m_sink; |
| mojo::Binding<cc::mojom::blink::MojoCompositorFrameSinkClient> m_binding; |
| |
| int m_placeholderCanvasId; |
| |
| void setTransferableResourceToSharedBitmap(cc::TransferableResource&, |
| RefPtr<StaticBitmapImage>); |
| void setTransferableResourceToSharedGPUContext(cc::TransferableResource&, |
| RefPtr<StaticBitmapImage>); |
| void setTransferableResourceToStaticBitmapImage(cc::TransferableResource&, |
| RefPtr<StaticBitmapImage>); |
| }; |
| |
| } // namespace blink |
| |
| #endif // OffscreenCanvasFrameDispatcherImpl_h |