[Mesa-dev] [PATCH] i965/gs: Don't assign gl_Layer its own slot in the VUE map.

[Chad Versace]

On 09/03/2013 04:11 PM, Paul Berry wrote:
> ---
>   src/mesa/drivers/dri/i965/brw_vs.c | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c
> index b81a538..7c7493f 100644
> --- a/src/mesa/drivers/dri/i965/brw_vs.c
> +++ b/src/mesa/drivers/dri/i965/brw_vs.c
> @@ -64,6 +64,11 @@ brw_compute_vue_map(struct brw_context *brw, struct brw_vue_map *vue_map,
>      vue_map->slots_valid = slots_valid;
>      int i;
>
> +   /* gl_Layer doesn't get its own varying slot--it's stored in the virst VUE
> +    * slot (VARYING_SLOT_PSIZ).
> +    */
> +   slots_valid &= ~VARYING_BIT_LAYER;
> +
>      /* Make sure that the values we store in vue_map->varying_to_slot and
>       * vue_map->slot_to_varying won't overflow the signed chars that are used
>       * to store them.  Note that since vue_map->slot_to_varying sometimes holds
>


Reviewed-by: Chad Versace <chad.versace at linux.intel.com>