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On 12/05/2011 11:42 AM, Eric Anholt wrote:
Before, we had an uncached read of S8 to untile, then a RMW (so
uncached penalty) of the packed S8Z24 to store the value, then the
consumer would uncached read that once per pixel. If data was written
to
Before, we had an uncached read of S8 to untile, then a RMW (so
uncached penalty) of the packed S8Z24 to store the value, then the
consumer would uncached read that once per pixel. If data was written
to the map, we would then have to uncached read the written data back
out and do the scatter to
