112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <algorithm>
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#include <string_view>
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#include <fmt/format.h>
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#include "shader_recompiler/frontend/ir/type.h"
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namespace Shader::IR {
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enum class Opcode {
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#define OPCODE(name, ...) name,
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#include "opcodes.inc"
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#undef OPCODE
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};
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namespace Detail {
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struct OpcodeMeta {
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std::string_view name;
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Type type;
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std::array<Type, 5> arg_types;
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};
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// using enum Type;
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constexpr Type Void{Type::Void};
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constexpr Type Opaque{Type::Opaque};
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constexpr Type Label{Type::Label};
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constexpr Type Reg{Type::Reg};
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constexpr Type Pred{Type::Pred};
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constexpr Type Attribute{Type::Attribute};
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constexpr Type Patch{Type::Patch};
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constexpr Type U1{Type::U1};
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constexpr Type U8{Type::U8};
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constexpr Type U16{Type::U16};
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constexpr Type U32{Type::U32};
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constexpr Type U64{Type::U64};
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constexpr Type F16{Type::F16};
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constexpr Type F32{Type::F32};
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constexpr Type F64{Type::F64};
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constexpr Type U32x2{Type::U32x2};
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constexpr Type U32x3{Type::U32x3};
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constexpr Type U32x4{Type::U32x4};
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constexpr Type F16x2{Type::F16x2};
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constexpr Type F16x3{Type::F16x3};
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constexpr Type F16x4{Type::F16x4};
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constexpr Type F32x2{Type::F32x2};
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constexpr Type F32x3{Type::F32x3};
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constexpr Type F32x4{Type::F32x4};
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constexpr Type F64x2{Type::F64x2};
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constexpr Type F64x3{Type::F64x3};
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constexpr Type F64x4{Type::F64x4};
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constexpr std::array META_TABLE{
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#define OPCODE(name_token, type_token, ...) \
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OpcodeMeta{ \
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.name{#name_token}, \
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.type = type_token, \
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.arg_types{__VA_ARGS__}, \
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},
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#include "opcodes.inc"
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#undef OPCODE
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};
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constexpr size_t CalculateNumArgsOf(Opcode op) {
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const auto& arg_types{META_TABLE[static_cast<size_t>(op)].arg_types};
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return std::distance(arg_types.begin(), std::ranges::find(arg_types, Type::Void));
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}
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constexpr std::array NUM_ARGS{
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#define OPCODE(name_token, type_token, ...) CalculateNumArgsOf(Opcode::name_token),
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#include "opcodes.inc"
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#undef OPCODE
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};
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} // namespace Detail
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/// Get return type of an opcode
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[[nodiscard]] inline Type TypeOf(Opcode op) noexcept {
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return Detail::META_TABLE[static_cast<size_t>(op)].type;
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}
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/// Get the number of arguments an opcode accepts
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[[nodiscard]] inline size_t NumArgsOf(Opcode op) noexcept {
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return Detail::NUM_ARGS[static_cast<size_t>(op)];
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}
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/// Get the required type of an argument of an opcode
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[[nodiscard]] inline Type ArgTypeOf(Opcode op, size_t arg_index) noexcept {
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return Detail::META_TABLE[static_cast<size_t>(op)].arg_types[arg_index];
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}
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/// Get the name of an opcode
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[[nodiscard]] std::string_view NameOf(Opcode op);
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} // namespace Shader::IR
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template <>
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struct fmt::formatter<Shader::IR::Opcode> {
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constexpr auto parse(format_parse_context& ctx) {
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return ctx.begin();
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}
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template <typename FormatContext>
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auto format(const Shader::IR::Opcode& op, FormatContext& ctx) {
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return format_to(ctx.out(), "{}", Shader::IR::NameOf(op));
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}
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};
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