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Initial support for double precision shader instructions. (#963)

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* Implement DADD, DFMA and DMUL shader instructions

* Rename FP to FP32

* Correct double immediate

* Classic mistake
This commit is contained in:
gdkchan 2020-03-03 11:02:08 -03:00 • committed by GitHub
parent 3045c1a186
commit dc97457bf0
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GPG key ID: 4AEE18F83AFDEB23
19 changed files with 428 additions and 184 deletions
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13
Ryujinx.Graphics.Shader/Instructions/InstEmitAluHelper.cs
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@ -85,12 +85,19 @@ namespace Ryujinx.Graphics.Shader.Instructions
context.Copy(GetNF(), context.ICompareLess(dest, Const(0)));
}
public static void SetFPZnFlags(EmitterContext context, Operand dest, bool setCC)
public static void SetFPZnFlags(EmitterContext context, Operand dest, bool setCC, Instruction fpType = Instruction.FP32)
{
if (setCC)
{
context.Copy(GetZF(), context.FPCompareEqual(dest, ConstF(0)));
context.Copy(GetNF(), context.FPCompareLess (dest, ConstF(0)));
Operand zero = ConstF(0);
if (fpType == Instruction.FP64)
{
zero = context.FP32ConvertToFP64(zero);
}
context.Copy(GetZF(), context.FPCompareEqual(dest, zero, fpType));
context.Copy(GetNF(), context.FPCompareLess (dest, zero, fpType));
}
}
}