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-rw-r--r--src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c38
1 files changed, 19 insertions, 19 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 2fc82204528..45d964da4fa 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
@@ -284,27 +284,27 @@ static void fetch_pipeline_generic( struct draw_pt_middle_end *middle,
* XXX: Stream output surely needs to respect the prim_info->elt
* lists.
*/
- draw_pt_so_emit( fpme->so_emit,
- vert_info,
- prim_info );
-
- if (draw_pt_post_vs_run( fpme->post_vs,
- vert_info ))
- {
- opt |= PT_PIPELINE;
- }
+ draw_pt_so_emit( fpme->so_emit, vert_info, prim_info );
- /* Do we need to run the pipeline?
+ /*
+ * if there's no position, need to stop now, or the latter stages
+ * will try to access non-existent position output.
*/
- if (opt & PT_PIPELINE) {
- pipeline( fpme,
- vert_info,
- prim_info );
- }
- else {
- emit( fpme->emit,
- vert_info,
- prim_info );
+ if (draw_current_shader_position_output(draw) != -1) {
+
+ if (draw_pt_post_vs_run( fpme->post_vs, vert_info ))
+ {
+ opt |= PT_PIPELINE;
+ }
+
+ /* Do we need to run the pipeline?
+ */
+ if (opt & PT_PIPELINE) {
+ pipeline( fpme, vert_info, prim_info );
+ }
+ else {
+ emit( fpme->emit, vert_info, prim_info );
+ }
}
FREE(vert_info->verts);
}