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shader_recompiler: Implement linear interpolation support (#3055)
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TheTurtle 2025-06-08 22:46:34 +03:00 • committed by GitHub
parent 5004e41100
commit 8ffcfc87bd
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GPG key ID: B5690EEEBB952194
14 changed files with 425 additions and 375 deletions
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19
src/shader_recompiler/ir/attribute.h
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@ -83,6 +83,16 @@ enum class Attribute : u64 {
Max,
};
enum class Interpolation {
Invalid = 0,
PerspectiveSample = 1,
PerspectiveCenter = 2,
PerspectiveCentroid = 3,
LinearSample = 4,
LinearCenter = 5,
LinearCentroid = 6,
};
constexpr size_t NumAttributes = static_cast<size_t>(Attribute::Max);
constexpr size_t NumRenderTargets = 8;
constexpr size_t NumParams = 32;
@ -104,6 +114,15 @@ constexpr bool IsMrt(Attribute attribute) noexcept {
return attribute >= Attribute::RenderTarget0 && attribute <= Attribute::RenderTarget7;
}
constexpr bool IsLinear(Interpolation interp) noexcept {
return interp >= Interpolation::LinearSample && interp <= Interpolation::LinearCentroid;
}
constexpr bool IsPerspective(Interpolation interp) noexcept {
return interp >= Interpolation::PerspectiveSample &&
interp <= Interpolation::PerspectiveCentroid;
}
[[nodiscard]] std::string NameOf(Attribute attribute);
[[nodiscard]] constexpr Attribute operator+(Attribute attr, int num) {