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-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_fp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_fp.c b/src/mesa/drivers/dri/i965/brw_wm_fp.c
index a88b7bdea8..d4d75d63d8 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_fp.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_fp.c
@@ -342,7 +342,7 @@ static struct prog_src_register get_pixel_w( struct brw_wm_compile *c )
if (c->func.brw->intel.gen >= 6)
return src_undef();
- if (!src_is_undef(c->pixel_w)) {
+ if (src_is_undef(c->pixel_w)) {
struct prog_dst_register pixel_w = get_temp(c);
struct prog_src_register deltas = get_delta_xy(c);
struct prog_src_register interp_wpos = src_reg(PROGRAM_PAYLOAD, FRAG_ATTRIB_WPOS);