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Implement soft float64 conversion on shaders when host has no support (#5159)

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* Implement soft float64 conversion on shaders when host has no support

* Shader cache version bump

* Fix rebase error
This commit is contained in:
gdkchan 2023-06-08 17:09:14 -03:00 • committed by GitHub
parent 5813b2e354
commit fe30c03cac
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 222 additions and 4 deletions
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30
src/Ryujinx.Graphics.Shader/IntermediateRepresentation/Operation.cs
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@ -255,5 +255,35 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
_sources = new Operand[] { source };
}
public void TurnDoubleIntoFloat()
{
if ((Inst & ~Instruction.Mask) == Instruction.FP64)
{
Inst = (Inst & Instruction.Mask) | Instruction.FP32;
}
else
{
switch (Inst)
{
case Instruction.ConvertFP32ToFP64:
case Instruction.ConvertFP64ToFP32:
Inst = Instruction.Copy;
break;
case Instruction.ConvertFP64ToS32:
Inst = Instruction.ConvertFP32ToS32;
break;
case Instruction.ConvertFP64ToU32:
Inst = Instruction.ConvertFP32ToU32;
break;
case Instruction.ConvertS32ToFP64:
Inst = Instruction.ConvertS32ToFP32;
break;
case Instruction.ConvertU32ToFP64:
Inst = Instruction.ConvertU32ToFP32;
break;
}
}
}
}
}