GPU: Use old frame when presenting a skip #12665
Merged
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If we flip using a skipped frame, we may show an even older frame causing weird flickering.
This still flips, but reusing the same framebuf that was last flipped. Whether double buffered or the frame was skipped, this should just be the same as the previous image. It is possible we miss skipping some drawing and this still causes flickering, but it should be better than before.
Related to #12602.
-[Unknown]