Backport of "compositor: Fix checkerboard filling for BGRx/RGBx and UYVY/YUY2/YVYU" into 1.16
Backport of !593 (merged) "compositor: Fix checkerboard filling for BGRx/RGBx and UYVY/YUY2/YVYU".
Commits:
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Backport of !593 (merged) "compositor: Fix checkerboard filling for BGRx/RGBx and UYVY/YUY2/YVYU".
Commits: