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drm: Use register writes instead of BITBLT_MULTI packets for buffer swap blits
authorMichel Daenzer <michel@tungstengraphics.com>
Thu, 21 Sep 2006 18:26:35 +0000 (04:26 +1000)
committerDave Airlie <airlied@linux.ie>
Thu, 21 Sep 2006 19:32:34 +0000 (05:32 +1000)
This takes up two more ring buffer entries per rectangle blitted but makes sure
the blit is performed top to bottom, reducing the likelyhood of tearing.

Signed-off-by: Dave Airlie <airlied@linux.ie>

No differences found
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