[Mesa-dev] [PATCH 1/2] radv/ac: round cube array coordinate before fixup.

[Bas Nieuwenhuizen]

Series is:

Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

On Mon, Apr 3, 2017 at 5:46 AM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> This fixes:
> dEQP-VK.glsl.texture_functions.texture.samplercubearray*
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
>  src/amd/common/ac_nir_to_llvm.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
> index 6985371..adba539 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -4237,6 +4237,8 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
>         }
>
>         if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE && coord) {
> +               if (instr->is_array && instr->op != nir_texop_lod)
> +                       coords[3] = apply_round_slice(ctx, coords[3]);
>                 for (chan = 0; chan < instr->coord_components; chan++)
>                         coords[chan] = to_float(ctx, coords[chan]);
>                 if (instr->coord_components == 3)
> @@ -4264,7 +4266,9 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
>                 }
>                 if (instr->coord_components > 2) {
>                         /* This seems like a bit of a hack - but it passes Vulkan CTS with it */
> -                       if (instr->sampler_dim != GLSL_SAMPLER_DIM_3D && instr->op != nir_texop_txf) {
> +                       if (instr->sampler_dim != GLSL_SAMPLER_DIM_3D &&
> +                           instr->sampler_dim != GLSL_SAMPLER_DIM_CUBE &&
> +                           instr->op != nir_texop_txf) {
>                                 coords[2] = apply_round_slice(ctx, coords[2]);
>                         }
>                         address[count++] = coords[2];
> --
> 2.7.4
>
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