[Mesa-dev] [PATCH] i965/gen6/GT1: Increase max_vs_entries to 256.

[Kenneth Graunke]

On 01/24/2012 12:35 PM, Paul Berry wrote:
> Previously, max_vs_entries was set to 128 for GT1, and 256 for GT2,
> based on the PRM (see Vol2, part1, p28).  However, Bspec section 1.6.5
> indicates that the maximum number of VS entries is 256 for GT1.
>
> No piglit regressions on GT1.
> ---
>   src/mesa/drivers/dri/i965/brw_context.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
> index eb152f9..87ea1a5 100644
> --- a/src/mesa/drivers/dri/i965/brw_context.c
> +++ b/src/mesa/drivers/dri/i965/brw_context.c
> @@ -328,7 +328,7 @@ brwCreateContext(int api,
>   	 brw->max_vs_threads = 24;
>   	 brw->max_gs_threads = 21; /* conservative; 24 if rendering disabled */
>   	 brw->urb.size = 32;            /* volume 5c.5 section 5.1 */
> -	 brw->urb.max_vs_entries = 128; /* volume 2a (see 3DSTATE_URB) */
> +	 brw->urb.max_vs_entries = 256; /* volume 2a (see 3DSTATE_URB) */
>   	 brw->urb.max_gs_entries = 256;
>         }
>         brw->urb.gen6_gs_previously_active = false;

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>