freedreno/a2xx: use sysval for pointcoord
Fix a problem with shaders using gl_PointCoord (it was only "working" enough to pass the deqp test..)
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Fix a problem with shaders using gl_PointCoord (it was only "working" enough to pass the deqp test..)