ATEST actually takes two sources and has a destination. Although the
details are a little funny, we should still model this correctly.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4242>
unsigned bi_class_props[BI_NUM_CLASSES] = {
[BI_ADD] = BI_GENERIC | BI_MODS | BI_SCHED_ALL,
- [BI_ATEST] = BI_SCHED_HI_LATENCY | BI_SCHED_ADD | BI_VECTOR,
+ [BI_ATEST] = BI_SCHED_HI_LATENCY | BI_SCHED_ADD,
[BI_BRANCH] = BI_SCHED_HI_LATENCY | BI_SCHED_ADD,
[BI_CMP] = BI_GENERIC | BI_MODS | BI_SCHED_ALL,
[BI_BLEND] = BI_SCHED_HI_LATENCY | BI_SCHED_ADD | BI_VECTOR,
{
if (!ctx->emitted_atest) {
bi_instruction ins = {
- .type = BI_ATEST
+ .type = BI_ATEST,
+ .src = {
+ BIR_INDEX_REGISTER | 60 /* TODO: RA */,
+ bir_src_index(&instr->src[0])
+ },
+ .src_types = {
+ nir_type_uint32,
+ nir_type_float32
+ },
+ .swizzle = {
+ { 0 },
+ { 3, 0 } /* swizzle out the alpha */
+ },
+ .dest = BIR_INDEX_REGISTER | 60 /* TODO: RA */,
+ .dest_type = nir_type_uint32,
+ .writemask = 0xF
};
bi_emit(ctx, ins);