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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 430a530d242..a0e48305080 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -1089,7 +1089,7 @@ fs_visitor::emit_general_interpolation(ir_variable *ir)
*/
struct brw_reg interp = interp_reg(location, k);
emit_linterp(attr, fs_reg(interp), interpolation_mode,
- ir->data.centroid,
+ ir->data.centroid && !c->key.persample_shading,
ir->data.sample || c->key.persample_shading);
if (brw->needs_unlit_centroid_workaround && ir->data.centroid) {
/* Get the pixel/sample mask into f0 so that we know