Chromium Code Reviews Chromium Code Reviews
Issue 2848553003:
Adjust OffscreenCanvas throttling to allow two frames of backlog (Closed)
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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 OffscreenCanvasFrameDispatcherImpl_h | 5 #ifndef OffscreenCanvasFrameDispatcherImpl_h |
| 6 #define OffscreenCanvasFrameDispatcherImpl_h | 6 #define OffscreenCanvasFrameDispatcherImpl_h |
| 7 | 7 |
| 8 #include <memory> | 8 #include <memory> |
| 9 #include "cc/ipc/mojo_compositor_frame_sink.mojom-blink.h" | 9 #include "cc/ipc/mojo_compositor_frame_sink.mojom-blink.h" |
| 10 #include "cc/output/begin_frame_args.h" | 10 #include "cc/output/begin_frame_args.h" |
| (...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 57 private: | 57 private: |
| 58 // Surface-related | 58 // Surface-related |
| 59 cc::LocalSurfaceIdAllocator local_surface_id_allocator_; | 59 cc::LocalSurfaceIdAllocator local_surface_id_allocator_; |
| 60 const cc::FrameSinkId frame_sink_id_; | 60 const cc::FrameSinkId frame_sink_id_; |
| 61 cc::LocalSurfaceId current_local_surface_id_; | 61 cc::LocalSurfaceId current_local_surface_id_; |
| 62 | 62 |
| 63 int width_; | 63 int width_; |
| 64 int height_; | 64 int height_; |
| 65 bool change_size_for_next_commit_; | 65 bool change_size_for_next_commit_; |
| 66 bool needs_begin_frame_; | 66 bool needs_begin_frame_; |
| 67 bool compositor_has_pending_frame_ = false; | 67 int compositor_pending_frames_ = 0; |
|
Eric Seckler
2017/04/28 08:19:10
nit: pending_compositor_frames_ ?
| |
| 68 | 68 |
| 69 unsigned next_resource_id_; | 69 unsigned next_resource_id_; |
| 70 HashMap<unsigned, RefPtr<StaticBitmapImage>> cached_images_; | 70 HashMap<unsigned, RefPtr<StaticBitmapImage>> cached_images_; |
| 71 HashMap<unsigned, std::unique_ptr<cc::SharedBitmap>> shared_bitmaps_; | 71 HashMap<unsigned, std::unique_ptr<cc::SharedBitmap>> shared_bitmaps_; |
| 72 HashMap<unsigned, GLuint> cached_texture_ids_; | 72 HashMap<unsigned, GLuint> cached_texture_ids_; |
| 73 HashSet<unsigned> spare_resource_locks_; | 73 HashSet<unsigned> spare_resource_locks_; |
| 74 | 74 |
| 75 bool VerifyImageSize(const IntSize); | 75 bool VerifyImageSize(const IntSize); |
| 76 void PostImageToPlaceholder(RefPtr<StaticBitmapImage>); | 76 void PostImageToPlaceholder(RefPtr<StaticBitmapImage>); |
| 77 | 77 |
| 78 cc::mojom::blink::MojoCompositorFrameSinkPtr sink_; | 78 cc::mojom::blink::MojoCompositorFrameSinkPtr sink_; |
| 79 mojo::Binding<cc::mojom::blink::MojoCompositorFrameSinkClient> binding_; | 79 mojo::Binding<cc::mojom::blink::MojoCompositorFrameSinkClient> binding_; |
| 80 | 80 |
| 81 int placeholder_canvas_id_; | 81 int placeholder_canvas_id_; |
| 82 | 82 |
| 83 cc::BeginFrameAck current_begin_frame_ack_; | 83 cc::BeginFrameAck current_begin_frame_ack_; |
| 84 | 84 |
| 85 void SetTransferableResourceToSharedBitmap(cc::TransferableResource&, | 85 void SetTransferableResourceToSharedBitmap(cc::TransferableResource&, |
| 86 RefPtr<StaticBitmapImage>); | 86 RefPtr<StaticBitmapImage>); |
| 87 void SetTransferableResourceToSharedGPUContext(cc::TransferableResource&, | 87 void SetTransferableResourceToSharedGPUContext(cc::TransferableResource&, |
| 88 RefPtr<StaticBitmapImage>); | 88 RefPtr<StaticBitmapImage>); |
| 89 void SetTransferableResourceToStaticBitmapImage(cc::TransferableResource&, | 89 void SetTransferableResourceToStaticBitmapImage(cc::TransferableResource&, |
| 90 RefPtr<StaticBitmapImage>); | 90 RefPtr<StaticBitmapImage>); |
| 91 }; | 91 }; |
| 92 | 92 |
| 93 } // namespace blink | 93 } // namespace blink |
| 94 | 94 |
| 95 #endif // OffscreenCanvasFrameDispatcherImpl_h | 95 #endif // OffscreenCanvasFrameDispatcherImpl_h |
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