On Wed, 2010-09-08 at 17:18 +0800, Cui, Hunk wrote: > Hi, all, > > Ask one question... > In > http://cgit.freedesktop.org/xorg/driver/xf86-video-geode/tree/src/gx_dri > ver.c#n1560, this is the function " GeodeCalculatePitchBytes", in the > process of calculate the pitch, why does the compression require a power > of 2, what is the purpose?
Framebuffer compression is a hardware feature. If the hardware requires a power-of-two pitch... - ajax
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