| // Copyright 2018 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 CC_TREES_RENDER_FRAME_METADATA_OBSERVER_H_ |
| #define CC_TREES_RENDER_FRAME_METADATA_OBSERVER_H_ |
| |
| #include "cc/cc_export.h" |
| #include "cc/trees/render_frame_metadata.h" |
| |
| namespace viz { |
| class CompositorFrameMetadata; |
| } |
| |
| namespace cc { |
| |
| // Observes RenderFrameMetadata associated with the submission of a frame. |
| // LayerTreeHostImpl will create the metadata when submitting a CompositorFrame. |
| // |
| // Calls to this will be done from the compositor thread. |
| class CC_EXPORT RenderFrameMetadataObserver { |
| public: |
| RenderFrameMetadataObserver() = default; |
| RenderFrameMetadataObserver(const RenderFrameMetadataObserver&) = delete; |
| virtual ~RenderFrameMetadataObserver() = default; |
| |
| RenderFrameMetadataObserver& operator=(const RenderFrameMetadataObserver&) = |
| delete; |
| |
| // Binds on the current thread. This should only be called from the compositor |
| // thread. |
| virtual void BindToCurrentThread() = 0; |
| |
| // Notification of the RendarFrameMetadata for the frame being submitted to |
| // the display compositor. |
| virtual void OnRenderFrameSubmission( |
| const RenderFrameMetadata& render_frame_metadata, |
| viz::CompositorFrameMetadata* compositor_frame_metadata, |
| bool force_send) = 0; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_TREES_RENDER_FRAME_METADATA_OBSERVER_H_ |