From 4320a451a313bbf4e145809ffb11c829ae84aa98 Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Thu, 17 Jun 2010 13:21:38 -0400 Subject: draw: implement triangle strips with adjacency in geometry shader --- src/gallium/auxiliary/draw/draw_gs_tmp.h | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'src/gallium/auxiliary/draw') diff --git a/src/gallium/auxiliary/draw/draw_gs_tmp.h b/src/gallium/auxiliary/draw/draw_gs_tmp.h index ff83cebb45..7a8683cf7c 100644 --- a/src/gallium/auxiliary/draw/draw_gs_tmp.h +++ b/src/gallium/auxiliary/draw/draw_gs_tmp.h @@ -9,7 +9,7 @@ static void FUNC( struct draw_geometry_shader *shader, boolean flatfirst = (draw->rasterizer->flatshade && draw->rasterizer->flatshade_first); - unsigned i; + unsigned i, j; unsigned count = input_prims->count; LOCAL_VARS @@ -124,6 +124,17 @@ static void FUNC( struct draw_geometry_shader *shader, i + 3, i + 4, i + 5); } break; + case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY: + for (i = 0, j = 0; i+5 < count; i += 2, ++j) { + TRI_ADJ( shader, + i + 0, + i + 1 + 2*(j&1), + i + 2 + 2*(j&1), + i + 3 - 2*(j&1), + i + 4 - 2*(j&1), + i + 5); + } + break; default: debug_assert(!"Unsupported primitive in geometry shader"); -- cgit v1.2.3