Dave,
----- Original Message -----
> From: Dave Airlie <airl...@redhat.com>
>
> Just add support to the scanner to count the number of clip
> distances.
>
> Signed-off-by: Dave Airlie <airl...@redhat.com>
> ---
> src/gallium/auxiliary/tgsi/tgsi_scan.c | 4 ++++
> src/gallium/auxiliary/tgsi/tgsi_scan.h | 1 +
> 2 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c
> b/src/gallium/auxiliary/tgsi/tgsi_scan.c
> index 97d74e4..d81db89 100644
> --- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
> +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
> @@ -191,6 +191,10 @@ tgsi_scan_shader(const struct tgsi_token
> *tokens,
> info->output_semantic_index[reg] =
> (ubyte)fulldecl->Semantic.Index;
> info->num_outputs++;
>
> + if (procType == TGSI_PROCESSOR_VERTEX &&
> + fulldecl->Semantic.Name ==
> TGSI_SEMANTIC_CLIPDIST) {
> + info->num_clipdistance +=
> util_bitcount(fulldecl->Declaration.UsageMask);
> + }
> /* extra info for special outputs */
> if (procType == TGSI_PROCESSOR_FRAGMENT &&
> fulldecl->Semantic.Name ==
> TGSI_SEMANTIC_POSITION)
> diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h
> b/src/gallium/auxiliary/tgsi/tgsi_scan.h
> index 482c106..a3d21b0 100644
> --- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
> +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
> @@ -75,6 +75,7 @@ struct tgsi_shader_info
> boolean pixel_center_integer;
> boolean color0_writes_all_cbufs;
>
> + unsigned num_clipdistance;
It would be more self documenting if the variable name implied that this is the
number of clip distances written.
Maybe "num_output_clipdist" or "num_written_clipdist".
Jose
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