Re: [Intel-gfx] [PATCH] sna: Use VMask in 3DSTATE_PS

2014-11-06 Thread Chris Wilson
On Thu, Nov 06, 2014 at 08:22:54AM +0200, Timo Aaltonen wrote: > On 06.11.2014 01:48, Rodrigo Vivi wrote: > > Using dispatch mask cause hangs waiting PS Done on some cases like bug > > #83207, > > with larger screen or when scaling it. > > > > Also mesa uses VMask instead of Dmask for 3DSTATE_PS

Re: [Intel-gfx] [PATCH] sna: Use VMask in 3DSTATE_PS

2014-11-05 Thread Timo Aaltonen
On 06.11.2014 01:48, Rodrigo Vivi wrote: > Using dispatch mask cause hangs waiting PS Done on some cases like bug #83207, > with larger screen or when scaling it. > > Also mesa uses VMask instead of Dmask for 3DSTATE_PS because in some cases > they were getting incorrect derivatives for subspans.

[Intel-gfx] [PATCH] sna: Use VMask in 3DSTATE_PS

2014-11-05 Thread Rodrigo Vivi
Using dispatch mask cause hangs waiting PS Done on some cases like bug #83207, with larger screen or when scaling it. Also mesa uses VMask instead of Dmask for 3DSTATE_PS because in some cases they were getting incorrect derivatives for subspans. Reference: https://bugs.freedesktop.org/show_bug.c