diff options
Diffstat (limited to 'src/mesa/state_tracker/st_program.c')
| -rw-r--r-- | src/mesa/state_tracker/st_program.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index 72ca8524582..9a346fbde0c 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -437,11 +437,16 @@ st_translate_fragment_program(struct st_context *st, if (stfp->Base.UsesPointCoord) { stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; stfp->input_semantic_index[slot] = num_generic++; + interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; + } else if (stfp->Base.UsesFrontFacing) { + stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FACE; + stfp->input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_CONSTANT; } else { stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG; stfp->input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; } - interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; break; case FRAG_ATTRIB_TEX0: case FRAG_ATTRIB_TEX1: |