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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/bit_field.h"
#include "shader_recompiler/frontend/ir/ir_emitter.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
IR::U32 TranslatorVisitor::X(IR::Reg reg) {
return ir.GetReg(reg);
}
void TranslatorVisitor::X(IR::Reg dest_reg, const IR::U32& value) {
ir.SetReg(dest_reg, value);
}
IR::U32 TranslatorVisitor::GetCbuf(u64 insn) {
union {
u64 raw;
BitField<20, 14, s64> offset;
BitField<34, 5, u64> binding;
} const cbuf{insn};
if (cbuf.binding >= 18) {
throw NotImplementedException("Out of bounds constant buffer binding {}", cbuf.binding);
}
if (cbuf.offset >= 0x10'000 || cbuf.offset < 0) {
throw NotImplementedException("Out of bounds constant buffer offset {}", cbuf.offset);
}
const IR::U32 binding{ir.Imm32(static_cast<u32>(cbuf.binding))};
const IR::U32 byte_offset{ir.Imm32(static_cast<u32>(cbuf.offset) * 4)};
return ir.GetCbuf(binding, byte_offset);
}
IR::U32 TranslatorVisitor::GetImm(u64 insn) {
union {
u64 raw;
BitField<20, 19, u64> value;
BitField<56, 1, u64> is_negative;
} const imm{insn};
const s32 positive_value{static_cast<s32>(imm.value)};
const s32 value{imm.is_negative != 0 ? -positive_value : positive_value};
return ir.Imm32(value);
}
void TranslatorVisitor::SetZFlag(const IR::U1& value) {
ir.SetZFlag(value);
}
void TranslatorVisitor::SetSFlag(const IR::U1& value) {
ir.SetSFlag(value);
}
void TranslatorVisitor::SetCFlag(const IR::U1& value) {
ir.SetCFlag(value);
}
void TranslatorVisitor::SetOFlag(const IR::U1& value) {
ir.SetOFlag(value);
}
void TranslatorVisitor::ResetZero() {
SetZFlag(ir.Imm1(false));
}
void TranslatorVisitor::ResetSFlag() {
SetSFlag(ir.Imm1(false));
}
void TranslatorVisitor::ResetCFlag() {
SetCFlag(ir.Imm1(false));
}
void TranslatorVisitor::ResetOFlag() {
SetOFlag(ir.Imm1(false));
}
} // namespace Shader::Maxwell
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