Open
Bug 1650378
Opened 5 years ago
Updated 3 years ago
Skip frame building if the only changes in the frame are external images.
Categories
(Core :: Graphics: WebRender, enhancement, P3)
Core
Graphics: WebRender
Tracking
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NEW
People
(Reporter: nical, Unassigned)
References
(Blocks 1 open bug)
Details
The obvious use case is video playback. We should be able to detech that a transaction doesn't change anything other than external images which are resolved at the Renderer level, and skip frame building to save multiple ms of CPU work each frame.
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Reporter | |
Comment 1•5 years ago
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Actually, now that frame building doesn't necessarily build the full representation of the frame each time and build things incrementally, we can't simply re-play the previous frame with a different texture ID.
Yet it would be great if we could take advantage of the knowledge that nothing has moved to skip parts of frame building like the visibility pass for example.
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Comment 2•4 years ago
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I imagine this would also help with animated images.
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Description
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