By enabling NicosiaPaintingEngineThreaded instead of NicosiaPaintingEngineBasic which is the default implementation,
we have seen that some frames are incomplete causing glitches on the screen.
In fact, we are trying to upload buffers that have not finished processing.
To avoid this problem, we must use the Nicosia::Buffer function waitUntilPaintingComplete() before each
Created attachment 342935 [details]
Comment on attachment 342935 [details]
Clearing flags on attachment: 342935
Committed r232931: <https://trac.webkit.org/changeset/232931>
All reviewed patches have been landed. Closing bug.