2/2 XRender: add a XRender version of GetSrcAreaStretch

Roderick Colenbrander thunderbird2k at gmail.com
Thu Jul 9 15:08:16 CDT 2009


This patch adds a XRender version of GetSrcAreaStretch. No back
copying from X is needed for stretching, further XRender offers color
conversion and parts might be accelerated on the GPU. In CrystalMark
this patch already gives a 20% performance boost in blitting. More can
be achieved later on in the SRCCOPY case as there we can save a copy
action to an intermediate pixmap.

Roderick Colenbrander
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