diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs_sse.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vs_sse.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c index b11ae31662..0e2036f12a 100644 --- a/src/gallium/auxiliary/draw/draw_vs_sse.c +++ b/src/gallium/auxiliary/draw/draw_vs_sse.c @@ -99,9 +99,23 @@ vs_sse_run_linear( struct draw_vertex_shader *base, struct tgsi_exec_machine *machine = shader->machine; unsigned int i; + /* By default, execute all channels. XXX move this inside the loop + * below when we support shader conditionals/loops. + */ + tgsi_set_exec_mask(machine, 1, 1, 1, 1); + for (i = 0; i < count; i += MAX_TGSI_VERTICES) { unsigned int max_vertices = MIN2(MAX_TGSI_VERTICES, count - i); + if (max_vertices < 4) { + /* disable the unused execution channels */ + tgsi_set_exec_mask(machine, + 1, + max_vertices > 1, + max_vertices > 2, + 0); + } + /* run compiled shader */ shader->func(machine->Inputs, |