[Mesa-stable] [Mesa-dev] [PATCH] st/nine: Declare lighting consts for ff shaders

[Dieter Nützel]

Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de>

on RX580 together with wine-staging 3.5
with LS 2015
but NOT explicitly with the mentioned shader

Dieter

Am 02.04.2018 18:50, schrieb Axel Davy:
> The lighting constants were not declared previously,
> but were accessed with indirect addressing, which is
> illegal.
> 
> Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=105442
> 
> Signed-off-by: Axel Davy <davyaxel0 at gmail.com>
> 
> CC: "17.3 18.0" <mesa-stable at lists.freedesktop.org>
> ---
>  src/gallium/state_trackers/nine/nine_ff.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/src/gallium/state_trackers/nine/nine_ff.c
> b/src/gallium/state_trackers/nine/nine_ff.c
> index d7b697caee..fabc1d3b88 100644
> --- a/src/gallium/state_trackers/nine/nine_ff.c
> +++ b/src/gallium/state_trackers/nine/nine_ff.c
> @@ -810,6 +810,10 @@ nine_ff_build_vs(struct NineDevice9 *device,
> struct vs_build_ctx *vs)
> 
>          const unsigned loop_label = l++;
> 
> +        /* Declare all light constants to allow indirect adressing */
> +        for (i = 32; i < 96; i++)
> +            ureg_DECL_constant(ureg, i);
> +
>          ureg_MOV(ureg, rCtr, ureg_imm1f(ureg, 32.0f)); /* 
> &lightconst(0) */
>          ureg_MOV(ureg, rD, ureg_imm1f(ureg, 0.0f));
>          ureg_MOV(ureg, rA, ureg_imm1f(ureg, 0.0f));