diff options
| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-01-09 03:30:07 -0300 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:21 -0400 |
| commit | 2d48a7b4d0666ad16d03a22d85712617a0849046 (patch) | |
| tree | dd1069afca86f66e77e3438da77421a43adf5091 /src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp | |
| parent | 75059c46d645e42e8da31fb97d003047c67b004b (diff) | |
shader: Initial recompiler work
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp')
| -rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp new file mode 100644 index 0000000000..7bc7ce9f29 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp @@ -0,0 +1,79 @@ +// 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 |