On Mon, 24 Oct 2011 15:01:30 -0700, Kenneth Graunke <kenn...@whitecape.org> wrote: > According to the docs for 3DSTATE_PS (Gen7+) and 3DSTATE_WM (Gen6), > there is a platform dependent value for the minimum number of pixel > shader threads. It may also vary based on whether WIZ Hashing is on. > > For example, Ivybridge requires at least 4 threads if WIZ hashing is > disabled, and 8 if it's enabled. Programming it to use less threads is > illegal. Sandybridge appears to have similar restrictions. > > So on newer platforms, INTEL_DEBUG=sing will probably just hang the GPU. > Rather than try to patch it up for newer platforms and extend it to > support geometry shaders, just remove it as it isn't that useful anyway. > > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
Reviewed-by: Eric Anholt <e...@anholt.net> Even on the pre-gen6 hardware, this basically never ended up being useful -- maybe in the original gen4 driver bringup.
pgpD6KbDx14Jt.pgp
Description: PGP signature
_______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
