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Implement VMNMX shader instruction (#1032)

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* Implement VMNMX shader instruction

* No need for the gap on the enum

* Fix typo
This commit is contained in:
gdkchan 2020-03-25 11:49:10 -03:00 • committed by GitHub
parent 56374c8633
commit 1586450a38
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 232 additions and 4 deletions
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85
Ryujinx.Graphics.Shader/Decoders/OpCodeVideo.cs
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@ -6,19 +6,98 @@ namespace Ryujinx.Graphics.Shader.Decoders
{
public Register Rd { get; }
public Register Ra { get; }
public Register Rb { get; }
public Register Rc { get; }
public bool SetCondCode { get; protected set; }
public bool Saturate { get; protected set; }
public int Immediate { get; }
public int RaSelection { get; }
public int RbSelection { get; }
public bool SetCondCode { get; }
public bool HasRb { get; }
public VideoType RaType { get; }
public VideoType RbType { get; }
public VideoPostOp PostOp { get; }
public bool DstSigned { get; }
public bool Saturate { get; }
public OpCodeVideo(InstEmitter emitter, ulong address, long opCode) : base(emitter, address, opCode)
{
Rd = new Register(opCode.Extract(0, 8), RegisterType.Gpr);
Ra = new Register(opCode.Extract(8, 8), RegisterType.Gpr);
Rb = new Register(opCode.Extract(20, 8), RegisterType.Gpr);
Rc = new Register(opCode.Extract(39, 8), RegisterType.Gpr);
RaSelection = opCode.Extract(36, 2);
RbSelection = opCode.Extract(28, 2);
RaType = opCode.Extract(37, 2) switch
{
2 => VideoType.U16,
3 => VideoType.U32,
_ => VideoType.U8
};
RbType = opCode.Extract(29, 2) switch
{
2 => VideoType.U16,
3 => VideoType.U32,
_ => VideoType.U8
};
if (opCode.Extract(48))
{
RaType |= VideoType.Signed;
}
if (!opCode.Extract(50))
{
// Immediate variant.
Immediate = opCode.Extract(16, 20);
RbType = opCode.Extract(49) ? VideoType.S16 : VideoType.U16;
if (RbType == VideoType.S16)
{
Immediate = (Immediate << 12) >> 12;
}
}
else if (opCode.Extract(49))
{
RbType |= VideoType.Signed;
}
if (RaType == VideoType.U16)
{
RaSelection &= 1;
}
else if (RaType == VideoType.U32)
{
RaSelection = 0;
}
if (RbType == VideoType.U16)
{
RbSelection &= 1;
}
else if (RbType == VideoType.U32)
{
RbSelection = 0;
}
SetCondCode = opCode.Extract(47);
Saturate = opCode.Extract(55);
HasRb = opCode.Extract(50);
PostOp = (VideoPostOp)opCode.Extract(51, 3);
DstSigned = opCode.Extract(54);
Saturate = opCode.Extract(55);
}
}
}