[Mesa-dev] [PATCH 2/2] mesa/st: implement max combined output resources limiting.

[Ilia Mirkin]

Series is

Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>

On Tue, Oct 31, 2017 at 7:58 PM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> if the driver sets the cap, then use the value it gives us.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
>  src/mesa/state_tracker/st_extensions.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
> index 3dec5a8..fa2d002 100644
> --- a/src/mesa/state_tracker/st_extensions.c
> +++ b/src/mesa/state_tracker/st_extensions.c
> @@ -78,6 +78,7 @@ void st_init_limits(struct pipe_screen *screen,
>     int supported_irs;
>     unsigned sh;
>     boolean can_ubo = TRUE;
> +   int temp;
>
>     c->MaxTextureLevels
>        = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
> @@ -469,6 +470,11 @@ void st_init_limits(struct pipe_screen *screen,
>
>     c->UseSTD430AsDefaultPacking =
>        screen->get_param(screen, PIPE_CAP_LOAD_CONSTBUF);
> +
> +   /* limit the max combined shader output resources to a driver limit */
> +   temp = screen->get_param(screen, PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES);
> +   if (temp > 0 && c->MaxCombinedShaderOutputResources > temp)
> +      c->MaxCombinedShaderOutputResources = temp;
>  }
>
>
> --
> 2.9.5
>
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