diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c index 1a9df4cac5d..279f4eec635 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c @@ -59,6 +59,8 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle, struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle; struct draw_context *draw = fpme->draw; struct draw_vertex_shader *vs = draw->vs.vertex_shader; + unsigned i; + boolean instance_id_index = ~0; /* Add one to num_outputs because the pipeline occasionally tags on * an additional texcoord, eg for AA lines. @@ -66,6 +68,15 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle, unsigned nr = MAX2( vs->info.num_inputs, vs->info.num_outputs + 1 ); + /* Scan for instanceID system value. + */ + for (i = 0; i < vs->info.num_inputs; i++) { + if (vs->info.input_semantic_name[i] == TGSI_SEMANTIC_INSTANCEID) { + instance_id_index = i; + break; + } + } + fpme->prim = prim; fpme->opt = opt; @@ -79,7 +90,8 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle, draw_pt_fetch_prepare( fpme->fetch, vs->info.num_inputs, - fpme->vertex_size ); + fpme->vertex_size, + instance_id_index ); /* XXX: it's not really gl rasterization rules we care about here, * but gl vs dx9 clip spaces. */ |