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-rw-r--r--src/mesa/state_tracker/st_program.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index e6664fb7cc2..9f98298b4a0 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -569,12 +569,12 @@ st_translate_fragment_program(struct st_context *st,
case FRAG_ATTRIB_CLIP_DIST0:
input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+ interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
break;
case FRAG_ATTRIB_CLIP_DIST1:
input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
input_semantic_index[slot] = 1;
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+ interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
break;
/* In most cases, there is nothing special about these
* inputs, so adopt a convention to use the generic