i965/fs: Migrate FS alpha test to the IR builder.

Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Francisco Jerez 2015-06-03 21:07:34 +03:00
parent ad68853f17
commit 840cbef416

View file

@ -1525,7 +1525,7 @@ fs_visitor::emit_alpha_test()
{
assert(stage == MESA_SHADER_FRAGMENT);
brw_wm_prog_key *key = (brw_wm_prog_key*) this->key;
this->current_annotation = "Alpha test";
const fs_builder abld = bld.annotate("Alpha test");
fs_inst *cmp;
if (key->alpha_test_func == GL_ALWAYS)
@ -1535,15 +1535,15 @@ fs_visitor::emit_alpha_test()
/* f0.1 = 0 */
fs_reg some_reg = fs_reg(retype(brw_vec8_grf(0, 0),
BRW_REGISTER_TYPE_UW));
cmp = emit(CMP(reg_null_f, some_reg, some_reg,
BRW_CONDITIONAL_NEQ));
cmp = abld.CMP(bld.null_reg_f(), some_reg, some_reg,
BRW_CONDITIONAL_NEQ);
} else {
/* RT0 alpha */
fs_reg color = offset(outputs[0], 3);
/* f0.1 &= func(color, ref) */
cmp = emit(CMP(reg_null_f, color, fs_reg(key->alpha_test_ref),
cond_for_alpha_func(key->alpha_test_func)));
cmp = abld.CMP(bld.null_reg_f(), color, fs_reg(key->alpha_test_ref),
cond_for_alpha_func(key->alpha_test_func));
}
cmp->predicate = BRW_PREDICATE_NORMAL;
cmp->flag_subreg = 1;