46 lines
2.0 KiB
C++
46 lines
2.0 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "shader_recompiler/frontend/translate/translate.h"
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namespace Shader::Gcn {
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void Load(IR::IREmitter& ir, int num_dwords, const IR::Value& handle, IR::ScalarReg dst_reg,
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const IR::U32U64& address) {
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for (u32 i = 0; i < num_dwords; i++) {
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const IR::U32 value = handle.IsEmpty() ? ir.ReadConst(address, ir.Imm32(i))
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: ir.ReadConstBuffer(handle, address, ir.Imm32(i));
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ir.SetScalarReg(dst_reg++, value);
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}
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}
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void Translator::S_LOAD_DWORD(int num_dwords, const GcnInst& inst) {
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const auto& smrd = inst.control.smrd;
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const IR::ScalarReg sbase = IR::ScalarReg(inst.src[0].code * 2);
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const IR::U32 offset =
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smrd.imm ? ir.Imm32(smrd.offset * 4)
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: IR::U32{ir.ShiftLeftLogical(ir.GetScalarReg(IR::ScalarReg(smrd.offset)),
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ir.Imm32(2))};
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const IR::U64 base =
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ir.PackUint2x32(ir.CompositeConstruct(ir.GetScalarReg(sbase), ir.GetScalarReg(sbase + 1)));
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const IR::U64 address = ir.IAdd(base, offset);
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const IR::ScalarReg dst_reg{inst.dst[0].code};
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Load(ir, num_dwords, {}, dst_reg, address);
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}
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void Translator::S_BUFFER_LOAD_DWORD(int num_dwords, const GcnInst& inst) {
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const auto& smrd = inst.control.smrd;
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const IR::ScalarReg sbase = IR::ScalarReg(inst.src[0].code * 2);
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const IR::U32 offset =
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smrd.imm ? ir.Imm32(smrd.offset * 4)
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: IR::U32{ir.ShiftLeftLogical(ir.GetScalarReg(IR::ScalarReg(smrd.offset)),
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ir.Imm32(2))};
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const IR::Value vsharp =
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ir.CompositeConstruct(ir.GetScalarReg(sbase), ir.GetScalarReg(sbase + 1),
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ir.GetScalarReg(sbase + 2), ir.GetScalarReg(sbase + 3));
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const IR::ScalarReg dst_reg{inst.dst[0].code};
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Load(ir, num_dwords, vsharp, dst_reg, offset);
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}
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} // namespace Shader::Gcn
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