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| 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/ir/condition.h | |
| parent | 75059c46d645e42e8da31fb97d003047c67b004b (diff) | |
shader: Initial recompiler work
Diffstat (limited to 'src/shader_recompiler/frontend/ir/condition.h')
| -rw-r--r-- | src/shader_recompiler/frontend/ir/condition.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/ir/condition.h b/src/shader_recompiler/frontend/ir/condition.h new file mode 100644 index 0000000000..52737025c9 --- /dev/null +++ b/src/shader_recompiler/frontend/ir/condition.h @@ -0,0 +1,60 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <string> +#include <compare> + +#include <fmt/format.h> + +#include "common/common_types.h" +#include "shader_recompiler/frontend/ir/flow_test.h" +#include "shader_recompiler/frontend/ir/pred.h" + +namespace Shader::IR { + +class Condition { +public: + Condition() noexcept = default; + + explicit Condition(FlowTest flow_test_, Pred pred_, bool pred_negated_ = false) noexcept + : flow_test{static_cast<u16>(flow_test_)}, pred{static_cast<u8>(pred_)}, + pred_negated{pred_negated_ ? u8{1} : u8{0}} {} + + explicit Condition(Pred pred_, bool pred_negated_ = false) noexcept + : Condition(FlowTest::T, pred_, pred_negated_) {} + + Condition(bool value) : Condition(Pred::PT, !value) {} + + auto operator<=>(const Condition&) const noexcept = default; + + [[nodiscard]] IR::FlowTest FlowTest() const noexcept { + return static_cast<IR::FlowTest>(flow_test); + } + + [[nodiscard]] std::pair<IR::Pred, bool> Pred() const noexcept { + return {static_cast<IR::Pred>(pred), pred_negated != 0}; + } + +private: + u16 flow_test; + u8 pred; + u8 pred_negated; +}; + +std::string NameOf(Condition condition); + +} // namespace Shader::IR + +template <> +struct fmt::formatter<Shader::IR::Condition> { + constexpr auto parse(format_parse_context& ctx) { + return ctx.begin(); + } + template <typename FormatContext> + auto format(const Shader::IR::Condition& cond, FormatContext& ctx) { + return fmt::format_to(ctx.out(), "{}", Shader::IR::NameOf(cond)); + } +}; |