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softpipe: draw_find_shader_output returns -1 on invalid outputs

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

Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Zack Rusin
2013-05-30 17:01:19 -04:00
parent 124e1f91a7
commit e54c924a0e
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/softpipe/sp_state_derived.c
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@@ -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]);