[Mesa-dev] [PATCH] radeonsi: Emit pixel shader state even when only the vertex shader changed

[Christian König]

Am 20.03.2013 11:43, schrieb Michel Dänzer:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> Fixes random failures with piglit glsl-max-varyings.
>
> NOTE: This is a candidate for the 9.1 branch.
>
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   src/gallium/drivers/radeonsi/si_state_draw.c | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
> index 1049d2b..a78751b 100644
> --- a/src/gallium/drivers/radeonsi/si_state_draw.c
> +++ b/src/gallium/drivers/radeonsi/si_state_draw.c
> @@ -404,6 +404,11 @@ static void si_update_derived_state(struct r600_context *rctx)
>   	}
>   
>   	if (si_pm4_state_changed(rctx, ps) || si_pm4_state_changed(rctx, vs)) {
> +		/* XXX: Emitting the PS state even when only the VS changed
> +		 * fixes random failures with piglit glsl-max-varyings.
> +		 * Not sure why...
> +		 */
> +		rctx->emitted.named.ps = NULL;
>   		si_update_spi_map(rctx);
>   	}
>   }