diff options
Diffstat (limited to 'src/mesa/state_tracker/st_program.c')
| -rw-r--r-- | src/mesa/state_tracker/st_program.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index 9c271476dd2..a07f8fec309 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -619,7 +619,9 @@ st_translate_fragment_program(struct st_context *st, else interpLocation[slot] = TGSI_INTERPOLATE_LOC_CENTER; - if (key->persample_shading) + if (stfp->Base.Base.SystemValuesRead & (SYSTEM_BIT_SAMPLE_ID | + SYSTEM_BIT_SAMPLE_POS) || + key->persample_shading) interpLocation[slot] = TGSI_INTERPOLATE_LOC_SAMPLE; switch (attr) { |