diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_fp.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_fp.c b/src/mesa/drivers/dri/i965/brw_wm_fp.c index 2cae6988804..36330c134e6 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_fp.c +++ b/src/mesa/drivers/dri/i965/brw_wm_fp.c @@ -338,11 +338,13 @@ static struct prog_src_register get_delta_xy( struct brw_wm_compile *c ) static struct prog_src_register get_pixel_w( struct brw_wm_compile *c ) { - /* This is only called for producing 1/w in pre-gen6 interp. for - * gen6, the interp opcodes don't use this argument. + /* This is called for producing 1/w in pre-gen6 interp. for gen6, + * the interp opcodes don't use this argument. But to keep the + * nr_args = 3 expectations of pinterp happy, just stuff delta_xy + * into the slot. */ if (c->func.brw->intel.gen >= 6) - return src_undef(); + return c->delta_xy; if (src_is_undef(c->pixel_w)) { struct prog_dst_register pixel_w = get_temp(c); @@ -373,11 +375,7 @@ static void emit_interp( struct brw_wm_compile *c, struct prog_src_register interp = src_reg(PROGRAM_PAYLOAD, idx); struct prog_src_register deltas; - if (c->func.brw->intel.gen < 6) { - deltas = get_delta_xy(c); - } else { - deltas = src_undef(); - } + deltas = get_delta_xy(c); /* Need to use PINTERP on attributes which have been * multiplied by 1/W in the SF program, and LINTERP on those |