diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_emit.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c index b169576017..3a4057bb6b 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_emit.c +++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c @@ -1110,11 +1110,19 @@ static void emit_kil( struct brw_wm_compile *c, { struct brw_compile *p = &c->func; struct brw_reg r0uw = retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UW); - GLuint i; - - /* XXX - usually won't need 4 compares! - */ + GLuint i, j; + for (i = 0; i < 4; i++) { + /* Check if we've already done the comparison for this reg + * -- common when someone does KIL TEMP.wwww. + */ + for (j = 0; j < i; j++) { + if (memcmp(&arg0[j], &arg0[i], sizeof(arg0[0])) == 0) + break; + } + if (j != i) + continue; + brw_push_insn_state(p); brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_GE, arg0[i], brw_imm_f(0)); brw_set_predicate_control_flag_value(p, 0xff); |