[Mesa-dev] [PATCH] svga: fix max_lod clamping in update_tss_binding()

[Jose Fonseca]

Looks good. Thanks Brian.

Jose

----- Original Message -----
> After biasing we need to clamp to be sure we don't exceed the number
> of
> levels in the mipmap.  This fixes an assertion at
> svga_sampler_view.c:70
> 
> v2: simplify the biasing, clamping code per Jose's suggestion.
> ---
>  src/gallium/drivers/svga/svga_state_tss.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/src/gallium/drivers/svga/svga_state_tss.c
> b/src/gallium/drivers/svga/svga_state_tss.c
> index 8eb0dbf..d5ed804 100644
> --- a/src/gallium/drivers/svga/svga_state_tss.c
> +++ b/src/gallium/drivers/svga/svga_state_tss.c
> @@ -87,8 +87,8 @@ update_tss_binding(struct svga_context *svga,
>        /* get min max lod */
>        if (sv) {
>           min_lod = MAX2(0, (s->view_min_lod +
>           sv->u.tex.first_level));
> -         max_lod = MIN2(s->view_max_lod, sv->texture->last_level);
> -         max_lod += sv->u.tex.first_level;
> +         max_lod = MIN2(s->view_max_lod + sv->u.tex.first_level,
> +                        sv->texture->last_level);
>           texture = sv->texture;
>        } else {
>           min_lod = 0;
> --
> 1.7.3.4
> 
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