----- Original Message -----
> From: Roland Scheidegger <srol...@vmware.com>
>
> Also report if a shader writes the layer semantic
> ---
> src/gallium/auxiliary/draw/draw_context.c | 2 +-
> src/gallium/auxiliary/tgsi/tgsi_scan.c | 5 +++++
> src/gallium/auxiliary/tgsi/tgsi_scan.h | 1 +
> src/gallium/auxiliary/tgsi/tgsi_strings.c | 1 +
> 4 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/src/gallium/auxiliary/draw/draw_context.c
> b/src/gallium/auxiliary/draw/draw_context.c
> index 58ce270..35063b9 100644
> --- a/src/gallium/auxiliary/draw/draw_context.c
> +++ b/src/gallium/auxiliary/draw/draw_context.c
> @@ -548,7 +548,7 @@ draw_get_shader_info(const struct draw_context *draw)
> * function to find those attributes.
> *
> * -1 is returned if the attribute is not found since this is
> - * an undefined situtation. Note, that zero is valid and can
> + * an undefined situation. Note, that zero is valid and can
> * be used by any of the attributes, because position is not
> * required to be attribute 0 or even at all present.
> */
> diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c
> b/src/gallium/auxiliary/tgsi/tgsi_scan.c
> index 0230267..d331257 100644
> --- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
> +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
> @@ -217,6 +217,11 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
> TGSI_SEMANTIC_VIEWPORT_INDEX) {
> info->writes_viewport_index = TRUE;
> }
> + if (procType == TGSI_PROCESSOR_GEOMETRY &&
> + fulldecl->Semantic.Name ==
> + TGSI_SEMANTIC_LAYER) {
> + info->writes_layer = TRUE;
> + }
> }
>
> }
> diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h
> b/src/gallium/auxiliary/tgsi/tgsi_scan.h
> index 676abf0..a5b7024 100644
> --- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
> +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
> @@ -76,6 +76,7 @@ struct tgsi_shader_info
> boolean pixel_center_integer;
> boolean color0_writes_all_cbufs;
> boolean writes_viewport_index;
> + boolean writes_layer;
>
> unsigned num_written_clipdistance;
> /**
> diff --git a/src/gallium/auxiliary/tgsi/tgsi_strings.c
> b/src/gallium/auxiliary/tgsi/tgsi_strings.c
> index 6abf927..625107c 100644
> --- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
> +++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
> @@ -80,6 +80,7 @@ const char *tgsi_semantic_names[TGSI_SEMANTIC_COUNT] =
> "TEXCOORD",
> "PCOORD",
> "VIEWPORT_INDEX"
> + "LAYER"
> };
>
> const char *tgsi_texture_names[TGSI_TEXTURE_COUNT] =
> --
> 1.7.9.5
>
Reviewed-by: Jose Fonseca <jfons...@vmware.com>
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