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TSR Berry 2023-04-08 01:22:00 +02:00 • committed by Mary
parent cd124bda58
commit cee7121058
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src/Ryujinx.Graphics.Shader/Instructions/InstEmitFloatMinMax.cs Normal file
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using Ryujinx.Graphics.Shader.Decoders;
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using Ryujinx.Graphics.Shader.Translation;
using static Ryujinx.Graphics.Shader.Instructions.InstEmitAluHelper;
using static Ryujinx.Graphics.Shader.Instructions.InstEmitHelper;
namespace Ryujinx.Graphics.Shader.Instructions
{
static partial class InstEmit
{
public static void DmnmxR(EmitterContext context)
{
InstDmnmxR op = context.GetOp<InstDmnmxR>();
var srcA = GetSrcReg(context, op.SrcA, isFP64: true);
var srcB = GetSrcReg(context, op.SrcB, isFP64: true);
var srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
EmitFmnmx(context, srcA, srcB, srcPred, op.Dest, op.AbsA, op.AbsB, op.NegA, op.NegB, op.WriteCC, isFP64: true);
}
public static void DmnmxI(EmitterContext context)
{
InstDmnmxI op = context.GetOp<InstDmnmxI>();
var srcA = GetSrcReg(context, op.SrcA, isFP64: true);
var srcB = GetSrcImm(context, Imm20ToFloat(op.Imm20), isFP64: true);
var srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
EmitFmnmx(context, srcA, srcB, srcPred, op.Dest, op.AbsA, op.AbsB, op.NegA, op.NegB, op.WriteCC, isFP64: true);
}
public static void DmnmxC(EmitterContext context)
{
InstDmnmxC op = context.GetOp<InstDmnmxC>();
var srcA = GetSrcReg(context, op.SrcA, isFP64: true);
var srcB = GetSrcCbuf(context, op.CbufSlot, op.CbufOffset, isFP64: true);
var srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
EmitFmnmx(context, srcA, srcB, srcPred, op.Dest, op.AbsA, op.AbsB, op.NegA, op.NegB, op.WriteCC, isFP64: true);
}
public static void FmnmxR(EmitterContext context)
{
InstFmnmxR op = context.GetOp<InstFmnmxR>();
var srcA = GetSrcReg(context, op.SrcA);
var srcB = GetSrcReg(context, op.SrcB);
var srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
EmitFmnmx(context, srcA, srcB, srcPred, op.Dest, op.AbsA, op.AbsB, op.NegA, op.NegB, op.WriteCC);
}
public static void FmnmxI(EmitterContext context)
{
InstFmnmxI op = context.GetOp<InstFmnmxI>();
var srcA = GetSrcReg(context, op.SrcA);
var srcB = GetSrcImm(context, Imm20ToFloat(op.Imm20));
var srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
EmitFmnmx(context, srcA, srcB, srcPred, op.Dest, op.AbsA, op.AbsB, op.NegA, op.NegB, op.WriteCC);
}
public static void FmnmxC(EmitterContext context)
{
InstFmnmxC op = context.GetOp<InstFmnmxC>();
var srcA = GetSrcReg(context, op.SrcA);
var srcB = GetSrcCbuf(context, op.CbufSlot, op.CbufOffset);
var srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
EmitFmnmx(context, srcA, srcB, srcPred, op.Dest, op.AbsA, op.AbsB, op.NegA, op.NegB, op.WriteCC);
}
private static void EmitFmnmx(
EmitterContext context,
Operand srcA,
Operand srcB,
Operand srcPred,
int rd,
bool absoluteA,
bool absoluteB,
bool negateA,
bool negateB,
bool writeCC,
bool isFP64 = false)
{
Instruction fpType = isFP64 ? Instruction.FP64 : Instruction.FP32;
srcA = context.FPAbsNeg(srcA, absoluteA, negateA, fpType);
srcB = context.FPAbsNeg(srcB, absoluteB, negateB, fpType);
Operand resMin = context.FPMinimum(srcA, srcB, fpType);
Operand resMax = context.FPMaximum(srcA, srcB, fpType);
Operand res = context.ConditionalSelect(srcPred, resMin, resMax);
SetDest(context, res, rd, isFP64);
SetFPZnFlags(context, res, writeCC, fpType);
}
}
}