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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/bit_field.h"
#include "common/common_types.h"
#include "shader_recompiler/frontend/ir/flow_test.h"
namespace Shader::Maxwell {
struct Predicate {
Predicate() = default;
Predicate(unsigned index_, bool negated_ = false) : index{index_}, negated{negated_} {}
Predicate(bool value) : index{7}, negated{!value} {}
Predicate(u64 raw) : index{static_cast<unsigned>(raw & 7)}, negated{(raw & 8) != 0} {}
unsigned index;
bool negated;
};
inline bool operator==(const Predicate& lhs, const Predicate& rhs) noexcept {
return lhs.index == rhs.index && lhs.negated == rhs.negated;
}
inline bool operator!=(const Predicate& lhs, const Predicate& rhs) noexcept {
return !(lhs == rhs);
}
union Instruction {
Instruction(u64 raw_) : raw{raw_} {}
u64 raw;
union {
BitField<5, 1, u64> is_cbuf;
BitField<0, 5, IR::FlowTest> flow_test;
[[nodiscard]] u32 Absolute() const noexcept {
return static_cast<u32>(absolute);
}
[[nodiscard]] s32 Offset() const noexcept {
return static_cast<s32>(offset);
}
private:
BitField<20, 24, s64> offset;
BitField<20, 32, u64> absolute;
} branch;
[[nodiscard]] Predicate Pred() const noexcept {
return Predicate{pred};
}
private:
BitField<16, 4, u64> pred;
};
static_assert(std::is_trivially_copyable_v<Instruction>);
} // namespace Shader::Maxwell
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