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-rw-r--r--src/mesa/state_tracker/st_program.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index e7c357c9e42..f72122b4f24 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -567,6 +567,11 @@ st_translate_fragment_program(struct st_context *st,
input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
break;
+ case VARYING_SLOT_PRIMITIVE_ID:
+ input_semantic_name[slot] = TGSI_SEMANTIC_PRIMID;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
+ break;
case VARYING_SLOT_CLIP_DIST0:
input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
input_semantic_index[slot] = 0;