Andreas Kling 443d1c2237 WindowServer: Coordinate double-buffering with the BochsVGA card. ...

Use the BochsVGA card's virtual-height + virtual-y features to implement
a "hardware double buffering" type scheme.

This is a performance degradation since we now draw a bunch more than before.
But there's also no tearing or cursor flickering. I'm gonna commit this and
try to improve upon it. :^)

2019-02-07 08:56:26 +01:00

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