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shader: Initial recompiler work

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ReinUsesLisp 2021-01-09 03:30:07 -03:00 • committed by ameerj
parent 75059c46d6
commit 2d48a7b4d0
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98
src/shader_recompiler/frontend/ir/value.h 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.
#pragma once
#include "common/common_types.h"
#include "shader_recompiler/exception.h"
#include "shader_recompiler/frontend/ir/attribute.h"
#include "shader_recompiler/frontend/ir/pred.h"
#include "shader_recompiler/frontend/ir/reg.h"
#include "shader_recompiler/frontend/ir/type.h"
namespace Shader::IR {
class Block;
class Inst;
class Value {
public:
Value() noexcept : type{IR::Type::Void}, inst{nullptr} {}
explicit Value(IR::Inst* value) noexcept;
explicit Value(IR::Block* value) noexcept;
explicit Value(IR::Reg value) noexcept;
explicit Value(IR::Pred value) noexcept;
explicit Value(IR::Attribute value) noexcept;
explicit Value(bool value) noexcept;
explicit Value(u8 value) noexcept;
explicit Value(u16 value) noexcept;
explicit Value(u32 value) noexcept;
explicit Value(u64 value) noexcept;
[[nodiscard]] bool IsIdentity() const noexcept;
[[nodiscard]] bool IsEmpty() const noexcept;
[[nodiscard]] bool IsImmediate() const noexcept;
[[nodiscard]] bool IsLabel() const noexcept;
[[nodiscard]] IR::Type Type() const noexcept;
[[nodiscard]] IR::Inst* Inst() const;
[[nodiscard]] IR::Block* Label() const;
[[nodiscard]] IR::Inst* InstRecursive() const;
[[nodiscard]] IR::Reg Reg() const;
[[nodiscard]] IR::Pred Pred() const;
[[nodiscard]] IR::Attribute Attribute() const;
[[nodiscard]] bool U1() const;
[[nodiscard]] u8 U8() const;
[[nodiscard]] u16 U16() const;
[[nodiscard]] u32 U32() const;
[[nodiscard]] u64 U64() const;
private:
void ValidateAccess(IR::Type expected) const;
IR::Type type;
union {
IR::Inst* inst;
IR::Block* label;
IR::Reg reg;
IR::Pred pred;
IR::Attribute attribute;
bool imm_u1;
u8 imm_u8;
u16 imm_u16;
u32 imm_u32;
u64 imm_u64;
};
};
template <IR::Type type_>
class TypedValue : public Value {
public:
TypedValue() = default;
template <IR::Type other_type>
requires((other_type & type_) != IR::Type::Void) explicit(false)
TypedValue(const TypedValue<other_type>& value)
: Value(value) {}
explicit TypedValue(const Value& value) : Value(value) {
if ((value.Type() & type_) == IR::Type::Void) {
throw InvalidArgument("Incompatible types {} and {}", type_, value.Type());
}
}
explicit TypedValue(IR::Inst* inst) : TypedValue(Value(inst)) {}
};
using U1 = TypedValue<Type::U1>;
using U8 = TypedValue<Type::U8>;
using U16 = TypedValue<Type::U16>;
using U32 = TypedValue<Type::U32>;
using U64 = TypedValue<Type::U64>;
using U32U64 = TypedValue<Type::U32 | Type::U64>;
using U16U32U64 = TypedValue<Type::U16 | Type::U32 | Type::U64>;
using UAny = TypedValue<Type::U8 | Type::U16 | Type::U32 | Type::U64>;
using ZSCO = TypedValue<Type::ZSCO>;
} // namespace Shader::IR