Re: [Mesa-dev] [PATCH] i965: Allocate at least some URB space even when max_vertices = 0.

2016-12-05 Thread Ian Romanick
On 12/05/2016 01:39 PM, Kenneth Graunke wrote: > Allocating zero URB space is a really bad idea. The hardware has to > give threads a handle to their URB space, and threads have to use that > to terminate the thread. Having it be an empty region just breaks a > lot of assumptions. Hence, why we

Re: [Mesa-dev] [PATCH] i965: Allocate at least some URB space even when max_vertices = 0.

2016-12-05 Thread Anuj Phogat
On Mon, Dec 5, 2016 at 1:39 PM, Kenneth Graunke wrote: > Allocating zero URB space is a really bad idea. The hardware has to > give threads a handle to their URB space, and threads have to use that > to terminate the thread. Having it be an empty region just breaks a >

[Mesa-dev] [PATCH] i965: Allocate at least some URB space even when max_vertices = 0.

2016-12-05 Thread Kenneth Graunke
Allocating zero URB space is a really bad idea. The hardware has to give threads a handle to their URB space, and threads have to use that to terminate the thread. Having it be an empty region just breaks a lot of assumptions. Hence, why we asserted that it isn't possible. Unfortunately, it