e3e4b0cfc1
For motion blur we're sampling within some window around a given t. If t is close to the layer in/out point, things get murky: for samples which fall outside the layer lifespan, we skip drawing => fewer samples are accumulated => the opacity of the result drops => visual glitches. The solution is to modulate the frame alpha based on the number of *visible* samples, and skip rendering when no samples are visible. Bug: skia:9486 Change-Id: I8d9692ae1589b43d9e6f728d7b7ac2fbf39153fe Reviewed-on: https://skia-review.googlesource.com/c/skia/+/245363 Reviewed-by: Mike Klein <mtklein@google.com> Commit-Queue: Florin Malita <fmalita@chromium.org> |
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