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shader: Implement DMUL and DFMA

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Also add a missing const on DADD
This commit is contained in:
ameerj 2021-03-21 02:09:14 -04:00
parent 112b8f00f0
commit c858b8ba97
8 changed files with 111 additions and 30 deletions
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45
src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp Normal file
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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/common_types.h"
#include "shader_recompiler/exception.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/common_encoding.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
void DMUL(TranslatorVisitor& v, u64 insn, const IR::F64& src_b) {
union {
u64 raw;
BitField<0, 8, IR::Reg> dest_reg;
BitField<8, 8, IR::Reg> src_a_reg;
BitField<39, 2, FpRounding> fp_rounding;
BitField<48, 1, u64> neg;
} const dmul{insn};
const IR::F64 src_a{v.ir.FPAbsNeg(v.D(dmul.src_a_reg), false, dmul.neg != 0)};
const IR::FpControl control{
.no_contraction{true},
.rounding{CastFpRounding(dmul.fp_rounding)},
.fmz_mode{IR::FmzMode::None},
};
v.D(dmul.dest_reg, v.ir.FPMul(src_a, src_b, control));
}
} // Anonymous namespace
void TranslatorVisitor::DMUL_reg(u64 insn) {
DMUL(*this, insn, GetDoubleReg20(insn));
}
void TranslatorVisitor::DMUL_cbuf(u64 insn) {
DMUL(*this, insn, GetDoubleCbuf(insn));
}
void TranslatorVisitor::DMUL_imm(u64 insn) {
DMUL(*this, insn, GetDoubleImm20(insn));
}
} // namespace Shader::Maxwell