single-pixel-buffer-v1: use XRGB if opaque
If the color is fully opaque, use XRGB instead of ARGB to disable alpha blending. This allows the scene-graph to cull content behind the buffer as well.
Alternative to !3927 (merged)
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If the color is fully opaque, use XRGB instead of ARGB to disable alpha blending. This allows the scene-graph to cull content behind the buffer as well.
Alternative to !3927 (merged)