mirror of
https://github.com/GreemDev/Ryujinx
synced 2024-12-04 23:42:10 +01:00
1586450a38
* Implement VMNMX shader instruction * No need for the gap on the enum * Fix typo
136 lines
No EOL
4.9 KiB
C#
136 lines
No EOL
4.9 KiB
C#
using Ryujinx.Graphics.Shader.Decoders;
|
|
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
|
|
using Ryujinx.Graphics.Shader.Translation;
|
|
|
|
using static Ryujinx.Graphics.Shader.Instructions.InstEmitHelper;
|
|
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
|
|
|
|
namespace Ryujinx.Graphics.Shader.Instructions
|
|
{
|
|
static partial class InstEmit
|
|
{
|
|
public static void Vmad(EmitterContext context)
|
|
{
|
|
// TODO: Implement properly.
|
|
context.Copy(GetDest(context), GetSrcC(context));
|
|
}
|
|
|
|
public static void Vmnmx(EmitterContext context)
|
|
{
|
|
OpCodeVideo op = (OpCodeVideo)context.CurrOp;
|
|
|
|
bool max = op.RawOpCode.Extract(56);
|
|
|
|
Operand srcA = Extend(context, GetSrcA(context), op.RaSelection, op.RaType);
|
|
Operand srcC = GetSrcC(context);
|
|
|
|
Operand srcB;
|
|
|
|
if (op.HasRb)
|
|
{
|
|
srcB = Extend(context, Register(op.Rb), op.RbSelection, op.RbType);
|
|
}
|
|
else
|
|
{
|
|
srcB = Const(op.Immediate);
|
|
}
|
|
|
|
Operand res;
|
|
|
|
bool resSigned;
|
|
|
|
if ((op.RaType & VideoType.Signed) != (op.RbType & VideoType.Signed))
|
|
{
|
|
// Signedness is different, but for max, result will always fit a U32,
|
|
// since one of the inputs can't be negative, and the result is the one
|
|
// with highest value. For min, it will always fit on a S32, since
|
|
// one of the input can't be greater than INT_MAX and we want the lowest value.
|
|
resSigned = !max;
|
|
|
|
res = max ? context.IMaximumU32(srcA, srcB) : context.IMinimumS32(srcA, srcB);
|
|
|
|
if ((op.RaType & VideoType.Signed) != 0)
|
|
{
|
|
Operand isBGtIntMax = context.ICompareLess(srcB, Const(0));
|
|
|
|
res = context.ConditionalSelect(isBGtIntMax, srcB, res);
|
|
}
|
|
else
|
|
{
|
|
Operand isAGtIntMax = context.ICompareLess(srcA, Const(0));
|
|
|
|
res = context.ConditionalSelect(isAGtIntMax, srcA, res);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Ra and Rb have the same signedness, so doesn't matter which one we test.
|
|
resSigned = (op.RaType & VideoType.Signed) != 0;
|
|
|
|
if (max)
|
|
{
|
|
res = resSigned
|
|
? context.IMaximumS32(srcA, srcB)
|
|
: context.IMaximumU32(srcA, srcB);
|
|
}
|
|
else
|
|
{
|
|
res = resSigned
|
|
? context.IMinimumS32(srcA, srcB)
|
|
: context.IMinimumU32(srcA, srcB);
|
|
}
|
|
}
|
|
|
|
if (op.Saturate)
|
|
{
|
|
if (op.DstSigned && !resSigned)
|
|
{
|
|
res = context.IMinimumU32(res, Const(int.MaxValue));
|
|
}
|
|
else if (!op.DstSigned && resSigned)
|
|
{
|
|
res = context.IMaximumS32(res, Const(0));
|
|
}
|
|
}
|
|
|
|
switch (op.PostOp)
|
|
{
|
|
case VideoPostOp.Acc:
|
|
res = context.IAdd(res, srcC);
|
|
break;
|
|
case VideoPostOp.Max:
|
|
res = op.DstSigned ? context.IMaximumS32(res, srcC) : context.IMaximumU32(res, srcC);
|
|
break;
|
|
case VideoPostOp.Min:
|
|
res = op.DstSigned ? context.IMinimumS32(res, srcC) : context.IMinimumU32(res, srcC);
|
|
break;
|
|
case VideoPostOp.Mrg16h:
|
|
res = context.BitfieldInsert(srcC, res, Const(16), Const(16));
|
|
break;
|
|
case VideoPostOp.Mrg16l:
|
|
res = context.BitfieldInsert(srcC, res, Const(0), Const(16));
|
|
break;
|
|
case VideoPostOp.Mrg8b0:
|
|
res = context.BitfieldInsert(srcC, res, Const(0), Const(8));
|
|
break;
|
|
case VideoPostOp.Mrg8b2:
|
|
res = context.BitfieldInsert(srcC, res, Const(16), Const(8));
|
|
break;
|
|
}
|
|
|
|
context.Copy(GetDest(context), res);
|
|
}
|
|
|
|
private static Operand Extend(EmitterContext context, Operand src, int sel, VideoType type)
|
|
{
|
|
return type switch
|
|
{
|
|
VideoType.U8 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(sel * 8)), 8),
|
|
VideoType.U16 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(sel * 16)), 16),
|
|
VideoType.S8 => SignExtendTo32(context, context.ShiftRightU32(src, Const(sel * 8)), 8),
|
|
VideoType.S16 => SignExtendTo32(context, context.ShiftRightU32(src, Const(sel * 16)), 16),
|
|
_ => src
|
|
};
|
|
}
|
|
}
|
|
} |