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shader_recompiler: Fix incorrect bary coord loads when unsupported (#3303)

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* shader_recompiler: Fix incorrect bary coord loads when unsupported

Also properly set sample rate shading

* emit_spirv: Implement BaryCoordSmoothCentroid
This commit is contained in:
TheTurtle
2025-07-23 19:46:06 +03:00
committed by GitHub
parent 800b332f60
commit 4d3578edbe
5 changed files with 24 additions and 11 deletions
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16
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@@ -384,8 +384,16 @@ void EmitContext::DefineInputs() {
} else if (profile.supports_fragment_shader_barycentric) {
bary_coord_smooth =
DefineVariable(F32[3], spv::BuiltIn::BaryCoordKHR, spv::StorageClass::Input);
} else {
bary_coord_smooth = ConstF32(0.f, 0.f);
}
}
if (info.loads.GetAny(IR::Attribute::BaryCoordSmoothCentroid)) {
if (profile.supports_amd_shader_explicit_vertex_parameter) {
bary_coord_smooth_centroid = DefineVariable(
F32[2], spv::BuiltIn::BaryCoordSmoothCentroidAMD, spv::StorageClass::Input);
} else if (profile.supports_fragment_shader_barycentric) {
bary_coord_smooth_centroid =
DefineVariable(F32[3], spv::BuiltIn::BaryCoordKHR, spv::StorageClass::Input);
// Decorate(bary_coord_smooth_centroid, spv::Decoration::Centroid);
}
}
if (info.loads.GetAny(IR::Attribute::BaryCoordSmoothSample)) {
@@ -396,8 +404,6 @@ void EmitContext::DefineInputs() {
bary_coord_smooth_sample =
DefineVariable(F32[3], spv::BuiltIn::BaryCoordKHR, spv::StorageClass::Input);
// Decorate(bary_coord_smooth_sample, spv::Decoration::Sample);
} else {
bary_coord_smooth_sample = ConstF32(0.f, 0.f);
}
}
if (info.loads.GetAny(IR::Attribute::BaryCoordNoPersp)) {
@@ -407,8 +413,6 @@ void EmitContext::DefineInputs() {
} else if (profile.supports_fragment_shader_barycentric) {
bary_coord_nopersp = DefineVariable(F32[3], spv::BuiltIn::BaryCoordNoPerspKHR,
spv::StorageClass::Input);
} else {
bary_coord_nopersp = ConstF32(0.f, 0.f);
}
}
for (s32 i = 0; i < runtime_info.fs_info.num_inputs; i++) {