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| author | bunnei <bunneidev@gmail.com> | 2021-07-25 11:39:04 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-25 11:39:04 -0700 |
| commit | 98b26b6e126d4775fdf3f773fe8a8ac808a8ff8f (patch) | |
| tree | 816faa96c2c4d291825063433331a8ea4b3d08f1 /src/shader_recompiler/varying_state.h | |
| parent | c2aaf5137003868b2375b96ee84e2cb42d5f355e (diff) | |
| parent | 7f13104c1778cfdfd54350e92603164070781124 (diff) | |
Merge pull request #6585 from ameerj/hades
Shader Decompiler Rewrite
Diffstat (limited to 'src/shader_recompiler/varying_state.h')
| -rw-r--r-- | src/shader_recompiler/varying_state.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/shader_recompiler/varying_state.h b/src/shader_recompiler/varying_state.h new file mode 100644 index 0000000000..9d7b24a763 --- /dev/null +++ b/src/shader_recompiler/varying_state.h @@ -0,0 +1,69 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <bitset> +#include <cstddef> + +#include "shader_recompiler/frontend/ir/attribute.h" + +namespace Shader { + +struct VaryingState { + std::bitset<256> mask{}; + + void Set(IR::Attribute attribute, bool state = true) { + mask[static_cast<size_t>(attribute)] = state; + } + + [[nodiscard]] bool operator[](IR::Attribute attribute) const noexcept { + return mask[static_cast<size_t>(attribute)]; + } + + [[nodiscard]] bool AnyComponent(IR::Attribute base) const noexcept { + return mask[static_cast<size_t>(base) + 0] || mask[static_cast<size_t>(base) + 1] || + mask[static_cast<size_t>(base) + 2] || mask[static_cast<size_t>(base) + 3]; + } + + [[nodiscard]] bool AllComponents(IR::Attribute base) const noexcept { + return mask[static_cast<size_t>(base) + 0] && mask[static_cast<size_t>(base) + 1] && + mask[static_cast<size_t>(base) + 2] && mask[static_cast<size_t>(base) + 3]; + } + + [[nodiscard]] bool IsUniform(IR::Attribute base) const noexcept { + return AnyComponent(base) == AllComponents(base); + } + + [[nodiscard]] bool Generic(size_t index, size_t component) const noexcept { + return mask[static_cast<size_t>(IR::Attribute::Generic0X) + index * 4 + component]; + } + + [[nodiscard]] bool Generic(size_t index) const noexcept { + return Generic(index, 0) || Generic(index, 1) || Generic(index, 2) || Generic(index, 3); + } + + [[nodiscard]] bool ClipDistances() const noexcept { + return AnyComponent(IR::Attribute::ClipDistance0) || + AnyComponent(IR::Attribute::ClipDistance4); + } + + [[nodiscard]] bool Legacy() const noexcept { + return AnyComponent(IR::Attribute::ColorFrontDiffuseR) || + AnyComponent(IR::Attribute::ColorFrontSpecularR) || + AnyComponent(IR::Attribute::ColorBackDiffuseR) || + AnyComponent(IR::Attribute::ColorBackSpecularR) || FixedFunctionTexture(); + } + + [[nodiscard]] bool FixedFunctionTexture() const noexcept { + for (size_t index = 0; index < 10; ++index) { + if (AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) { + return true; + } + } + return false; + } +}; + +} // namespace Shader |