Am 27.05.2015 um 10:38 schrieb Dave Airlie:
> This is required for ARB_gpu_shader5 support in softpipe.
>
> Signed-off-by: Dave Airlie <airl...@redhat.com>
> ---
> src/gallium/auxiliary/tgsi/tgsi_exec.c | 23 ++++++++++++++++++++++-
> 1 file changed, 22 insertions(+), 1 deletion(-)
>
> diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c
> b/src/gallium/auxiliary/tgsi/tgsi_exec.c
> index f080385..a2f52f0 100644
> --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
> +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
> @@ -2032,14 +2032,35 @@ exec_tex(struct tgsi_exec_machine *mach,
> const struct tgsi_full_instruction *inst,
> uint modifier, uint sampler)
> {
> - const uint unit = inst->Src[sampler].Register.Index;
> const union tgsi_exec_channel *args[5], *proj = NULL;
> union tgsi_exec_channel r[5];
> enum tgsi_sampler_control control = tgsi_sampler_lod_none;
> uint chan;
> + uint unit;
> int8_t offsets[3];
> int dim, shadow_ref, i;
>
> +
> + if (inst->Src[sampler].Register.Indirect) {
> + const struct tgsi_full_src_register *reg = &inst->Src[sampler];
> + union tgsi_exec_channel indir_index, index2;
> +
> + index2.i[0] =
> + index2.i[1] =
> + index2.i[2] =
> + index2.i[3] = reg->Indirect.Index;
> +
> + fetch_src_file_channel(mach,
> + 0,
> + reg->Indirect.File,
> + reg->Indirect.Swizzle,
> + &index2,
> + &ZeroVec,
> + &indir_index);
> + unit = inst->Src[sampler].Register.Index + indir_index.i[0];
> + } else {
> + unit = inst->Src[sampler].Register.Index;
whitespace?
> + }
> /* always fetch all 3 offsets, overkill but keeps code simple */
> fetch_texel_offsets(mach, inst, offsets);
>
>
Reviewed-by: Roland Scheidegger <srol...@vmware.com>
I think though there's a lot more required to make it work in softpipe...
Roland
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