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ac/nir: implement scoped_barrier 

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5980>
This commit is contained in:
Rhys Perry 2020-07-17 19:16:08 +01:00 committed by Marge Bot
parent 6b99cf6064
commit a8f8c02e7e
1 changed files with 19 additions and 0 deletions
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19
src/amd/llvm/ac_nir_to_llvm.c
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@ -3945,6 +3945,25 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
case nir_intrinsic_memory_barrier_shared:
emit_membar(&ctx->ac, instr);
break;
case nir_intrinsic_scoped_barrier: {
assert(!(nir_intrinsic_memory_semantics(instr) &
(NIR_MEMORY_MAKE_AVAILABLE | NIR_MEMORY_MAKE_VISIBLE)));
nir_variable_mode modes = nir_intrinsic_memory_modes(instr);
unsigned wait_flags = 0;
if (modes & (nir_var_mem_global | nir_var_mem_ssbo))
wait_flags |= AC_WAIT_VLOAD | AC_WAIT_VSTORE;
if (modes & nir_var_mem_shared)
wait_flags |= AC_WAIT_LGKM;
if (wait_flags)
ac_build_waitcnt(&ctx->ac, wait_flags);
if (nir_intrinsic_execution_scope(instr) == NIR_SCOPE_WORKGROUP)
ac_emit_barrier(&ctx->ac, ctx->stage);
break;
}
case nir_intrinsic_memory_barrier_tcs_patch:
break;
case nir_intrinsic_control_barrier: