[Mesa-dev] [PATCH] u_blitter: don't create illegal shaders for 1D/3D/RECT/CUBE MSAA

Marek Olšák maraeo at gmail.com
Mon Mar 4 05:21:06 PST 2013


The conditional should be "if (i > 1 && .."; with that fixed, this is:

Reviewed-by: Marek Olšák <maraeo at gmail.com>

Marek

On Mon, Mar 4, 2013 at 9:02 AM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> I hit an assert playing with softpipe and texture MSAA today, makes me think
> we might need something like this to stop creating illegal shaders.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
>  src/gallium/auxiliary/util/u_blitter.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
> index e37be4e..ceaa9d0 100644
> --- a/src/gallium/auxiliary/util/u_blitter.c
> +++ b/src/gallium/auxiliary/util/u_blitter.c
> @@ -924,6 +924,11 @@ void util_blitter_cache_all_shaders(struct blitter_context *blitter)
>               (target == PIPE_TEXTURE_CUBE_ARRAY))
>              continue;
>
> +        if (max_samples > 1 &&
> +            (target != PIPE_TEXTURE_2D &&
> +             target != PIPE_TEXTURE_2D_ARRAY))
> +           continue;
> +
>           blitter_get_fs_texfetch_col(ctx, target, i);
>           blitter_get_fs_texfetch_depth(ctx, target, i);
>           if (ctx->has_stencil_export) {
> --
> 1.8.1.4
>
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