Details
Description
After the fix that we did for WebGL on macOS, some videos do not render their picture anymore, but just appear as a pink rectangle due to incompatible / invalid OpenGL texture formats.
This can be reproduced e.g. with the following video: https://www.youtube.com/watch?v=bkyU86fkxrE
This is due to the fix/revert for WebGL on macOS that we did in 28a2cfe4116f7218b33df811b79536c0593ddda6 (qtwebengine) / 0dc29a1eb2b6ced3654cb781ee54fe3fee744f55 (qtwebengine-chromium)