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VideoCommon: Fix SSBO layout and remove associated "bug"

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This commit is contained in:
TellowKrinkle 2022-06-16 17:26:30 -05:00
commit 26529a31ab
5 changed files with 6 additions and 29 deletions
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19
Source/Core/VideoCommon/PixelShaderGen.cpp
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@ -464,22 +464,9 @@ void WritePixelShaderCommonHeader(ShaderCode& out, APIType api_type,
}
else
{
out.Write("SSBO_BINDING(0) buffer BBox {{\n");
if (DriverDetails::HasBug(DriverDetails::BUG_BROKEN_SSBO_FIELD_ATOMICS))
{
// AMD drivers on Windows seemingly ignore atomic writes to fields or array elements of an
// SSBO other than the first one, but using an int4 seems to work fine
out.Write(" int4 bbox_data;\n");
}
else
{
// The Metal shader compiler fails to compile the atomic instructions when operating on
// individual components of a vector
out.Write(" int bbox_data[4];\n");
}
out.Write("}};");
out.Write("SSBO_BINDING(0) buffer BBox {{\n"
" int bbox_data[4];\n"
"}};");
}
out.Write(R"(