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