[Mesa-dev] [PATCH] softpipe: draw_find_shader_output returns -1 on invalid outputs

[Zack Rusin]

It was changed from 0 to allow shader outputs at 0 that are
different from position.

Signed-off-by: Zack Rusin <zackr at vmware.com>
---
 src/gallium/drivers/softpipe/sp_state_derived.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/softpipe/sp_state_derived.c b/src/gallium/drivers/softpipe/sp_state_derived.c
index 93cd38e..6115349 100644
--- a/src/gallium/drivers/softpipe/sp_state_derived.c
+++ b/src/gallium/drivers/softpipe/sp_state_derived.c
@@ -127,7 +127,7 @@ softpipe_get_vertex_info(struct softpipe_context *softpipe)
          src = draw_find_shader_output(softpipe->draw,
                                        fsInfo->input_semantic_name[i],
                                        fsInfo->input_semantic_index[i]);
-	 if (fsInfo->input_semantic_name[i] == TGSI_SEMANTIC_COLOR && src == 0)
+	 if (fsInfo->input_semantic_name[i] == TGSI_SEMANTIC_COLOR && src == -1)
 	   /* try and find a bcolor */
 	   src = draw_find_shader_output(softpipe->draw,
 					 TGSI_SEMANTIC_BCOLOR, fsInfo->input_semantic_index[i]);
-- 
1.7.10.4