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shader_recompiler: Implement guest barycentrics (#3245)

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* shader_recompiler: Implement guest barycentrics

* Review comments and some cleanup
This commit is contained in:
TheTurtle
2025-07-15 18:49:12 +03:00
committed by GitHub
parent 87f6cce7b1
commit 4407ebdd9b
17 changed files with 314 additions and 229 deletions
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14
src/shader_recompiler/ir/attribute.cpp
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@@ -130,6 +130,20 @@ std::string NameOf(Attribute attribute) {
return "LocalInvocationIndex";
case Attribute::FragCoord:
return "FragCoord";
case Attribute::BaryCoordNoPersp:
return "BaryCoordNoPersp";
case Attribute::BaryCoordNoPerspCentroid:
return "BaryCoordNoPerspCentroid";
case Attribute::BaryCoordNoPerspSample:
return "BaryCoordNoPerspSample";
case Attribute::BaryCoordSmooth:
return "BaryCoordSmooth";
case Attribute::BaryCoordSmoothCentroid:
return "BaryCoordSmoothCentroid";
case Attribute::BaryCoordSmoothSample:
return "BaryCoordSmoothSample";
case Attribute::BaryCoordPullModel:
return "BaryCoordPullModel";
case Attribute::InvocationId:
return "InvocationId";
case Attribute::PatchVertices:

36
src/shader_recompiler/ir/attribute.h
View File

@@ -73,24 +73,21 @@ enum class Attribute : u64 {
LocalInvocationId = 76,
LocalInvocationIndex = 77,
FragCoord = 78,
InvocationId = 81, // TCS id in output patch and instanced geometry shader id
PatchVertices = 82,
TessellationEvaluationPointU = 83,
TessellationEvaluationPointV = 84,
PackedHullInvocationInfo = 85, // contains patch id within the VGT and invocation ID
BaryCoordNoPersp = 79,
BaryCoordNoPerspCentroid = 80,
BaryCoordNoPerspSample = 81,
BaryCoordSmooth = 82,
BaryCoordSmoothCentroid = 83,
BaryCoordSmoothSample = 84,
BaryCoordPullModel = 85,
InvocationId = 86, // TCS id in output patch and instanced geometry shader id
PatchVertices = 87,
TessellationEvaluationPointU = 88,
TessellationEvaluationPointV = 89,
PackedHullInvocationInfo = 90, // contains patch id within the VGT and invocation ID
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;
@@ -112,13 +109,8 @@ 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;
constexpr bool IsBarycentricCoord(Attribute attribute) noexcept {
return attribute >= Attribute::BaryCoordSmooth && attribute <= Attribute::BaryCoordSmoothSample;
}
[[nodiscard]] std::string NameOf(Attribute attribute);