forked from eden-emu/eden
2b87305d31
This formats all copyright comments according to SPDX formatting guidelines. Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
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namespace Shader::Maxwell {
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namespace {
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// Seems to be in CUDA terminology.
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enum class LocalScope : u64 {
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CTA,
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GL,
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SYS,
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VC,
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};
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} // Anonymous namespace
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void TranslatorVisitor::MEMBAR(u64 inst) {
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union {
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u64 raw;
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BitField<8, 2, LocalScope> scope;
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} const membar{inst};
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if (membar.scope == LocalScope::CTA) {
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ir.WorkgroupMemoryBarrier();
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} else {
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ir.DeviceMemoryBarrier();
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}
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}
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void TranslatorVisitor::DEPBAR() {
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// DEPBAR is a no-op
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}
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void TranslatorVisitor::BAR(u64 insn) {
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enum class Mode {
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RedPopc,
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Scan,
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RedAnd,
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RedOr,
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Sync,
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Arrive,
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};
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union {
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u64 raw;
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BitField<43, 1, u64> is_a_imm;
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BitField<44, 1, u64> is_b_imm;
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BitField<8, 8, u64> imm_a;
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BitField<20, 12, u64> imm_b;
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BitField<42, 1, u64> neg_pred;
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BitField<39, 3, IR::Pred> pred;
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} const bar{insn};
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const Mode mode{[insn] {
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switch (insn & 0x0000009B00000000ULL) {
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case 0x0000000200000000ULL:
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return Mode::RedPopc;
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case 0x0000000300000000ULL:
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return Mode::Scan;
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case 0x0000000A00000000ULL:
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return Mode::RedAnd;
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case 0x0000001200000000ULL:
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return Mode::RedOr;
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case 0x0000008000000000ULL:
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return Mode::Sync;
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case 0x0000008100000000ULL:
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return Mode::Arrive;
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}
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throw NotImplementedException("Invalid encoding");
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}()};
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if (mode != Mode::Sync) {
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throw NotImplementedException("BAR mode {}", mode);
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}
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if (bar.is_a_imm == 0) {
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throw NotImplementedException("Non-immediate input A");
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}
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if (bar.imm_a != 0) {
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throw NotImplementedException("Non-zero input A");
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}
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if (bar.is_b_imm == 0) {
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throw NotImplementedException("Non-immediate input B");
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}
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if (bar.imm_b != 0) {
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throw NotImplementedException("Non-zero input B");
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}
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if (bar.pred != IR::Pred::PT && bar.neg_pred != 0) {
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throw NotImplementedException("Non-true input predicate");
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}
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ir.Barrier();
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}
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} // namespace Shader::Maxwell
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