use WSDISPLAYIO_MODE_MAPPED
use WSDISPLAYIO_MODE_MAPPED
while there, change vendor string to TNF since X.org had nothing to do with
this driver
fix xrender ops with a solid source without an actual pixmap for R2xx and R3xx
on big endian hardware as well
tested on macppc
"Deal with pPict->pDrawable == NULL for source-only pictures.
Falling back to software rendering for such source pictures (solid/gradient)."
from Matthieu Herrb via x.org
CID 1107544: Fix memory leak
CID 1107540: Make the code safe avoiding random stack access. In the first
loop where there is a singleton point to pptSrc, only access that singleton,
no matter what.