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shader: Implement IMNMX

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This commit is contained in:
ameerj 2021-02-28 23:33:53 -05:00
parent 08a9e95905
commit 20390c0548
8 changed files with 105 additions and 12 deletions
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59
src/shader_recompiler/frontend/maxwell/translate/impl/integer_minimum_maximum.cpp Normal file
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@ -0,0 +1,59 @@
// 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 "common/common_types.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
void IMNMX(TranslatorVisitor& v, u64 insn, const IR::U32& op_b) {
union {
u64 insn;
BitField<0, 8, IR::Reg> dest_reg;
BitField<8, 8, IR::Reg> src_reg;
BitField<39, 3, IR::Pred> pred;
BitField<42, 1, u64> neg_pred;
BitField<43, 2, u64> mode;
BitField<48, 1, u64> is_signed;
} const imnmx{insn};
if (imnmx.mode != 0) {
throw NotImplementedException("IMNMX.MODE");
}
IR::U1 pred = v.ir.GetPred(imnmx.pred);
const IR::U32 op_a{v.X(imnmx.src_reg)};
IR::U32 min;
IR::U32 max;
if (imnmx.is_signed != 0) {
min = IR::U32{v.ir.SMin(op_a, op_b)};
max = IR::U32{v.ir.SMax(op_a, op_b)};
} else {
min = IR::U32{v.ir.UMin(op_a, op_b)};
max = IR::U32{v.ir.UMax(op_a, op_b)};
}
if (imnmx.neg_pred != 0) {
std::swap(min, max);
}
const IR::U32 result{v.ir.Select(pred, min, max)};
v.X(imnmx.dest_reg, result);
}
} // Anonymous namespace
void TranslatorVisitor::IMNMX_reg(u64 insn) {
IMNMX(*this, insn, GetReg20(insn));
}
void TranslatorVisitor::IMNMX_cbuf(u64 insn) {
IMNMX(*this, insn, GetCbuf(insn));
}
void TranslatorVisitor::IMNMX_imm(u64 insn) {
IMNMX(*this, insn, GetImm20(insn));
}
} // namespace Shader::Maxwell

12
src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
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@ -453,18 +453,6 @@ void TranslatorVisitor::IMADSP_imm(u64) {
ThrowNotImplemented(Opcode::IMADSP_imm);
}
void TranslatorVisitor::IMNMX_reg(u64) {
ThrowNotImplemented(Opcode::IMNMX_reg);
}
void TranslatorVisitor::IMNMX_cbuf(u64) {
ThrowNotImplemented(Opcode::IMNMX_cbuf);
}
void TranslatorVisitor::IMNMX_imm(u64) {
ThrowNotImplemented(Opcode::IMNMX_imm);
}
void TranslatorVisitor::IMUL_reg(u64) {
ThrowNotImplemented(Opcode::IMUL_reg);
}