From 302df7cc85b0e2ce47c40048f30bd116b0d692fc Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Sat, 30 Mar 2013 06:21:41 -0700 Subject: draw/llvmpipe: allow independent so attachments to the vs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When geometry shaders are present, one needs to be able to create an empty geometry shader with stream output that needs to be resolved later and attached to the currently bound vertex shader. Lets add support for it to llvmpipe and draw. draw allows attaching independent stream output info to any vertex shader and llvmpipe resolves at draw time which vertex shader the given empty geometry shader should be linked to. Signed-off-by: Zack Rusin Reviewed-by: Brian Paul Reviewed-by: José Fonseca --- src/gallium/auxiliary/draw/draw_vs.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/gallium/auxiliary/draw/draw_vs.c') diff --git a/src/gallium/auxiliary/draw/draw_vs.c b/src/gallium/auxiliary/draw/draw_vs.c index 266cca7..afec376 100644 --- a/src/gallium/auxiliary/draw/draw_vs.c +++ b/src/gallium/auxiliary/draw/draw_vs.c @@ -245,3 +245,16 @@ draw_vs_get_emit( struct draw_context *draw, return draw->vs.emit; } + +void +draw_vs_attach_so(struct draw_vertex_shader *dvs, + const struct pipe_stream_output_info *info) +{ + dvs->state.stream_output = *info; +} + +void +draw_vs_reset_so(struct draw_vertex_shader *dvs) +{ + memset(&dvs->state.stream_output, 0, sizeof(dvs->state.stream_output)); +} -- cgit v1.1