cc/ipc/mojo_compositor_frame_sink.mojom - Issue 2527283003: cc: Introduce BeginFrame sequence numbers and acknowledgements.

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Unified Diff: cc/ipc/mojo_compositor_frame_sink.mojom

Issue 2527283003: cc: Introduce BeginFrame sequence numbers and acknowledgements.

Patch Set: Address Sami's comments, DisplayScheduler observes while BFSObservers exist. Created 4 years ago

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Index: cc/ipc/mojo_compositor_frame_sink.mojom

diff --git a/cc/ipc/mojo_compositor_frame_sink.mojom b/cc/ipc/mojo_compositor_frame_sink.mojom

index 87ddd3aff8b26a93f5ec411d2ba0fab588686b62..88d7383b95951cca61c9bca65175b7bf184a09d6 100644

--- a/cc/ipc/mojo_compositor_frame_sink.mojom

+++ b/cc/ipc/mojo_compositor_frame_sink.mojom

@@ -53,6 +53,10 @@ interface MojoCompositorFrameSink {

// Mark the sequence as satisfied and garbage collect surfaces.

Satisfy(cc.mojom.SurfaceSequence sequence);

+ // Notifies the frame sink that a BeginFrame was completed, but that no

+ // CompositorFrame was produced as a result of it.

+ BeginFrameDidNotDraw(BeginFrameAck ack);

// TODO(fsamuel): ReadbackBitmap API would be useful here.

};