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path: root/src/gallium/auxiliary/draw/draw_vs.c
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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_vs.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs.c b/src/gallium/auxiliary/draw/draw_vs.c
index dc50870..f24354e 100644
--- a/src/gallium/auxiliary/draw/draw_vs.c
+++ b/src/gallium/auxiliary/draw/draw_vs.c
@@ -85,7 +85,9 @@ draw_create_vertex_shader(struct draw_context *draw,
vs->info.output_semantic_index[i] == 0) {
found_clipvertex = TRUE;
vs->clipvertex_output = i;
- } else if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_CLIPDIST) {
+ } else if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_VIEWPORT_INDEX)
+ vs->viewport_index_output = i;
+ else if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_CLIPDIST) {
debug_assert(vs->info.output_semantic_index[i] <
PIPE_MAX_CLIP_OR_CULL_DISTANCE_ELEMENT_COUNT);
vs->clipdistance_output[vs->info.output_semantic_index[i]] = i;