From 1774b177b858f9f87d00e54b0bf00e9634e375e9 Mon Sep 17 00:00:00 2001 From: Brian Date: Wed, 27 Feb 2008 18:46:54 -0700 Subject: gallium: added draw_num_vs_outputs() to query number of post-transform vertex attribs --- src/gallium/auxiliary/draw/draw_context.c | 13 +++++++++++++ src/gallium/auxiliary/draw/draw_context.h | 4 ++++ 2 files changed, 17 insertions(+) (limited to 'src/gallium/auxiliary') diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index 64ada8ce04..3500c34811 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -281,6 +281,19 @@ draw_find_vs_output(struct draw_context *draw, } +/** + * Return number of vertex shader outputs. + */ +uint +draw_num_vs_outputs(struct draw_context *draw) +{ + uint count = draw->vertex_shader->info.num_outputs; + if (draw->extra_vp_outputs.slot >= 0) + count++; + return count; +} + + /** * Allocate space for temporary post-transform vertices, such as for clipping. */ diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h index d6685f479b..99bfef55f4 100644 --- a/src/gallium/auxiliary/draw/draw_context.h +++ b/src/gallium/auxiliary/draw/draw_context.h @@ -112,6 +112,10 @@ int draw_find_vs_output(struct draw_context *draw, uint semantic_name, uint semantic_index); +uint +draw_num_vs_outputs(struct draw_context *draw); + + /* * Vertex shader functions -- cgit v1.2.3