mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-11-14 15:26:39 +00:00
425 lines
No EOL
14 KiB
C#
425 lines
No EOL
14 KiB
C#
using Ryujinx.Graphics.Shader.Decoders;
|
|
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
|
|
using Ryujinx.Graphics.Shader.Translation;
|
|
using System;
|
|
|
|
using static Ryujinx.Graphics.Shader.Instructions.InstEmitAluHelper;
|
|
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 F2fR(EmitterContext context)
|
|
{
|
|
InstF2fR op = context.GetOp<InstF2fR>();
|
|
|
|
var src = UnpackReg(context, op.SrcFmt, op.Sh, op.SrcB);
|
|
|
|
EmitF2F(context, op.SrcFmt, op.DstFmt, op.RoundMode, src, op.Dest, op.AbsB, op.NegB, op.Sat);
|
|
}
|
|
|
|
public static void F2fI(EmitterContext context)
|
|
{
|
|
InstF2fI op = context.GetOp<InstF2fI>();
|
|
|
|
var src = UnpackImm(context, op.SrcFmt, op.Sh, Imm20ToFloat(op.Imm20));
|
|
|
|
EmitF2F(context, op.SrcFmt, op.DstFmt, op.RoundMode, src, op.Dest, op.AbsB, op.NegB, op.Sat);
|
|
}
|
|
|
|
public static void F2fC(EmitterContext context)
|
|
{
|
|
InstF2fC op = context.GetOp<InstF2fC>();
|
|
|
|
var src = UnpackCbuf(context, op.SrcFmt, op.Sh, op.CbufSlot, op.CbufOffset);
|
|
|
|
EmitF2F(context, op.SrcFmt, op.DstFmt, op.RoundMode, src, op.Dest, op.AbsB, op.NegB, op.Sat);
|
|
}
|
|
|
|
public static void F2iR(EmitterContext context)
|
|
{
|
|
InstF2iR op = context.GetOp<InstF2iR>();
|
|
|
|
var src = UnpackReg(context, op.SrcFmt, op.Sh, op.SrcB);
|
|
|
|
EmitF2I(context, op.SrcFmt, op.IDstFmt, op.RoundMode, src, op.Dest, op.AbsB, op.NegB);
|
|
}
|
|
|
|
public static void F2iI(EmitterContext context)
|
|
{
|
|
InstF2iI op = context.GetOp<InstF2iI>();
|
|
|
|
var src = UnpackImm(context, op.SrcFmt, op.Sh, Imm20ToFloat(op.Imm20));
|
|
|
|
EmitF2I(context, op.SrcFmt, op.IDstFmt, op.RoundMode, src, op.Dest, op.AbsB, op.NegB);
|
|
}
|
|
|
|
public static void F2iC(EmitterContext context)
|
|
{
|
|
InstF2iC op = context.GetOp<InstF2iC>();
|
|
|
|
var src = UnpackCbuf(context, op.SrcFmt, op.Sh, op.CbufSlot, op.CbufOffset);
|
|
|
|
EmitF2I(context, op.SrcFmt, op.IDstFmt, op.RoundMode, src, op.Dest, op.AbsB, op.NegB);
|
|
}
|
|
|
|
public static void I2fR(EmitterContext context)
|
|
{
|
|
InstI2fR op = context.GetOp<InstI2fR>();
|
|
|
|
var src = GetSrcReg(context, op.SrcB);
|
|
|
|
EmitI2F(context, op.ISrcFmt, op.DstFmt, src, op.ByteSel, op.Dest, op.AbsB, op.NegB);
|
|
}
|
|
|
|
public static void I2fI(EmitterContext context)
|
|
{
|
|
InstI2fI op = context.GetOp<InstI2fI>();
|
|
|
|
var src = GetSrcImm(context, Imm20ToSInt(op.Imm20));
|
|
|
|
EmitI2F(context, op.ISrcFmt, op.DstFmt, src, op.ByteSel, op.Dest, op.AbsB, op.NegB);
|
|
}
|
|
|
|
public static void I2fC(EmitterContext context)
|
|
{
|
|
InstI2fC op = context.GetOp<InstI2fC>();
|
|
|
|
var src = GetSrcCbuf(context, op.CbufSlot, op.CbufOffset);
|
|
|
|
EmitI2F(context, op.ISrcFmt, op.DstFmt, src, op.ByteSel, op.Dest, op.AbsB, op.NegB);
|
|
}
|
|
|
|
public static void I2iR(EmitterContext context)
|
|
{
|
|
InstI2iR op = context.GetOp<InstI2iR>();
|
|
|
|
var src = GetSrcReg(context, op.SrcB);
|
|
|
|
EmitI2I(context, op.ISrcFmt, op.IDstFmt, src, op.ByteSel, op.Dest, op.AbsB, op.NegB, op.Sat, op.WriteCC);
|
|
}
|
|
|
|
public static void I2iI(EmitterContext context)
|
|
{
|
|
InstI2iI op = context.GetOp<InstI2iI>();
|
|
|
|
var src = GetSrcImm(context, Imm20ToSInt(op.Imm20));
|
|
|
|
EmitI2I(context, op.ISrcFmt, op.IDstFmt, src, op.ByteSel, op.Dest, op.AbsB, op.NegB, op.Sat, op.WriteCC);
|
|
}
|
|
|
|
public static void I2iC(EmitterContext context)
|
|
{
|
|
InstI2iC op = context.GetOp<InstI2iC>();
|
|
|
|
var src = GetSrcCbuf(context, op.CbufSlot, op.CbufOffset);
|
|
|
|
EmitI2I(context, op.ISrcFmt, op.IDstFmt, src, op.ByteSel, op.Dest, op.AbsB, op.NegB, op.Sat, op.WriteCC);
|
|
}
|
|
|
|
private static void EmitF2F(
|
|
EmitterContext context,
|
|
DstFmt srcType,
|
|
DstFmt dstType,
|
|
IntegerRound roundingMode,
|
|
Operand src,
|
|
int rd,
|
|
bool absolute,
|
|
bool negate,
|
|
bool saturate)
|
|
{
|
|
Operand srcB = context.FPAbsNeg(src, absolute, negate, srcType.ToInstFPType());
|
|
|
|
if (srcType == dstType)
|
|
{
|
|
srcB = roundingMode switch
|
|
{
|
|
IntegerRound.Round => context.FPRound(srcB, srcType.ToInstFPType()),
|
|
IntegerRound.Floor => context.FPFloor(srcB, srcType.ToInstFPType()),
|
|
IntegerRound.Ceil => context.FPCeiling(srcB, srcType.ToInstFPType()),
|
|
IntegerRound.Trunc => context.FPTruncate(srcB, srcType.ToInstFPType()),
|
|
_ => srcB
|
|
};
|
|
}
|
|
|
|
// We don't need to handle conversions between FP16 <-> FP32
|
|
// since we do FP16 operations as FP32 directly.
|
|
// FP16 <-> FP64 conversions are invalid.
|
|
if (srcType == DstFmt.F32 && dstType == DstFmt.F64)
|
|
{
|
|
srcB = context.FP32ConvertToFP64(srcB);
|
|
}
|
|
else if (srcType == DstFmt.F64 && dstType == DstFmt.F32)
|
|
{
|
|
srcB = context.FP64ConvertToFP32(srcB);
|
|
}
|
|
|
|
srcB = context.FPSaturate(srcB, saturate, dstType.ToInstFPType());
|
|
|
|
WriteFP(context, dstType, srcB, rd);
|
|
|
|
// TODO: CC.
|
|
}
|
|
|
|
private static void EmitF2I(
|
|
EmitterContext context,
|
|
DstFmt srcType,
|
|
IDstFmt dstType,
|
|
RoundMode2 roundingMode,
|
|
Operand src,
|
|
int rd,
|
|
bool absolute,
|
|
bool negate)
|
|
{
|
|
if (dstType == IDstFmt.U64)
|
|
{
|
|
context.Config.GpuAccessor.Log("Unimplemented 64-bits F2I.");
|
|
}
|
|
|
|
Instruction fpType = srcType.ToInstFPType();
|
|
|
|
bool isSignedInt = dstType == IDstFmt.S16 || dstType == IDstFmt.S32 || dstType == IDstFmt.S64;
|
|
bool isSmallInt = dstType == IDstFmt.U16 || dstType == IDstFmt.S16;
|
|
|
|
Operand srcB = context.FPAbsNeg(src, absolute, negate, fpType);
|
|
|
|
srcB = roundingMode switch
|
|
{
|
|
RoundMode2.Round => context.FPRound(srcB, fpType),
|
|
RoundMode2.Floor => context.FPFloor(srcB, fpType),
|
|
RoundMode2.Ceil => context.FPCeiling(srcB, fpType),
|
|
RoundMode2.Trunc => context.FPTruncate(srcB, fpType),
|
|
_ => srcB
|
|
};
|
|
|
|
if (!isSignedInt)
|
|
{
|
|
// Negative float to uint cast is undefined, so we clamp the value before conversion.
|
|
Operand c0 = srcType == DstFmt.F64 ? context.PackDouble2x32(0.0) : ConstF(0);
|
|
|
|
srcB = context.FPMaximum(srcB, c0, fpType);
|
|
}
|
|
|
|
if (srcType == DstFmt.F64)
|
|
{
|
|
srcB = isSignedInt
|
|
? context.FP64ConvertToS32(srcB)
|
|
: context.FP64ConvertToU32(srcB);
|
|
}
|
|
else
|
|
{
|
|
srcB = isSignedInt
|
|
? context.FP32ConvertToS32(srcB)
|
|
: context.FP32ConvertToU32(srcB);
|
|
}
|
|
|
|
if (isSmallInt)
|
|
{
|
|
int min = (int)GetIntMin(dstType);
|
|
int max = (int)GetIntMax(dstType);
|
|
|
|
srcB = isSignedInt
|
|
? context.IClampS32(srcB, Const(min), Const(max))
|
|
: context.IClampU32(srcB, Const(min), Const(max));
|
|
}
|
|
|
|
Operand dest = GetDest(rd);
|
|
|
|
context.Copy(dest, srcB);
|
|
|
|
// TODO: CC.
|
|
}
|
|
|
|
private static void EmitI2F(
|
|
EmitterContext context,
|
|
ISrcFmt srcType,
|
|
DstFmt dstType,
|
|
Operand src,
|
|
ByteSel byteSelection,
|
|
int rd,
|
|
bool absolute,
|
|
bool negate)
|
|
{
|
|
bool isSignedInt =
|
|
srcType == ISrcFmt.S8 ||
|
|
srcType == ISrcFmt.S16 ||
|
|
srcType == ISrcFmt.S32 ||
|
|
srcType == ISrcFmt.S64;
|
|
bool isSmallInt =
|
|
srcType == ISrcFmt.U16 ||
|
|
srcType == ISrcFmt.S16 ||
|
|
srcType == ISrcFmt.U8 ||
|
|
srcType == ISrcFmt.S8;
|
|
|
|
// TODO: Handle S/U64.
|
|
|
|
Operand srcB = context.IAbsNeg(src, absolute, negate);
|
|
|
|
if (isSmallInt)
|
|
{
|
|
int size = srcType == ISrcFmt.U16 || srcType == ISrcFmt.S16 ? 16 : 8;
|
|
|
|
srcB = isSignedInt
|
|
? context.BitfieldExtractS32(srcB, Const((int)byteSelection * 8), Const(size))
|
|
: context.BitfieldExtractU32(srcB, Const((int)byteSelection * 8), Const(size));
|
|
}
|
|
|
|
if (dstType == DstFmt.F64)
|
|
{
|
|
srcB = isSignedInt
|
|
? context.IConvertS32ToFP64(srcB)
|
|
: context.IConvertU32ToFP64(srcB);
|
|
}
|
|
else
|
|
{
|
|
srcB = isSignedInt
|
|
? context.IConvertS32ToFP32(srcB)
|
|
: context.IConvertU32ToFP32(srcB);
|
|
}
|
|
|
|
WriteFP(context, dstType, srcB, rd);
|
|
|
|
// TODO: CC.
|
|
}
|
|
|
|
private static void EmitI2I(
|
|
EmitterContext context,
|
|
ISrcDstFmt srcType,
|
|
ISrcDstFmt dstType,
|
|
Operand src,
|
|
ByteSel byteSelection,
|
|
int rd,
|
|
bool absolute,
|
|
bool negate,
|
|
bool saturate,
|
|
bool writeCC)
|
|
{
|
|
if ((srcType & ~ISrcDstFmt.S8) > ISrcDstFmt.U32 || (dstType & ~ISrcDstFmt.S8) > ISrcDstFmt.U32)
|
|
{
|
|
context.Config.GpuAccessor.Log("Invalid I2I encoding.");
|
|
return;
|
|
}
|
|
|
|
bool srcIsSignedInt =
|
|
srcType == ISrcDstFmt.S8 ||
|
|
srcType == ISrcDstFmt.S16 ||
|
|
srcType == ISrcDstFmt.S32;
|
|
bool dstIsSignedInt =
|
|
dstType == ISrcDstFmt.S8 ||
|
|
dstType == ISrcDstFmt.S16 ||
|
|
dstType == ISrcDstFmt.S32;
|
|
bool srcIsSmallInt =
|
|
srcType == ISrcDstFmt.U16 ||
|
|
srcType == ISrcDstFmt.S16 ||
|
|
srcType == ISrcDstFmt.U8 ||
|
|
srcType == ISrcDstFmt.S8;
|
|
|
|
if (srcIsSmallInt)
|
|
{
|
|
int size = srcType == ISrcDstFmt.U16 || srcType == ISrcDstFmt.S16 ? 16 : 8;
|
|
|
|
src = srcIsSignedInt
|
|
? context.BitfieldExtractS32(src, Const((int)byteSelection * 8), Const(size))
|
|
: context.BitfieldExtractU32(src, Const((int)byteSelection * 8), Const(size));
|
|
}
|
|
|
|
src = context.IAbsNeg(src, absolute, negate);
|
|
|
|
if (saturate)
|
|
{
|
|
int min = (int)GetIntMin(dstType);
|
|
int max = (int)GetIntMax(dstType);
|
|
|
|
src = dstIsSignedInt
|
|
? context.IClampS32(src, Const(min), Const(max))
|
|
: context.IClampU32(src, Const(min), Const(max));
|
|
}
|
|
|
|
context.Copy(GetDest(rd), src);
|
|
|
|
SetZnFlags(context, src, writeCC);
|
|
}
|
|
|
|
private static Operand UnpackReg(EmitterContext context, DstFmt floatType, bool h, int reg)
|
|
{
|
|
if (floatType == DstFmt.F32)
|
|
{
|
|
return GetSrcReg(context, reg);
|
|
}
|
|
else if (floatType == DstFmt.F16)
|
|
{
|
|
return GetHalfUnpacked(context, GetSrcReg(context, reg), HalfSwizzle.F16)[h ? 1 : 0];
|
|
}
|
|
else if (floatType == DstFmt.F64)
|
|
{
|
|
return GetSrcReg(context, reg, isFP64: true);
|
|
}
|
|
|
|
throw new ArgumentException($"Invalid floating point type \"{floatType}\".");
|
|
}
|
|
|
|
private static Operand UnpackCbuf(EmitterContext context, DstFmt floatType, bool h, int cbufSlot, int cbufOffset)
|
|
{
|
|
if (floatType == DstFmt.F32)
|
|
{
|
|
return GetSrcCbuf(context, cbufSlot, cbufOffset);
|
|
}
|
|
else if (floatType == DstFmt.F16)
|
|
{
|
|
return GetHalfUnpacked(context, GetSrcCbuf(context, cbufSlot, cbufOffset), HalfSwizzle.F16)[h ? 1 : 0];
|
|
}
|
|
else if (floatType == DstFmt.F64)
|
|
{
|
|
return GetSrcCbuf(context, cbufSlot, cbufOffset, isFP64: true);
|
|
}
|
|
|
|
throw new ArgumentException($"Invalid floating point type \"{floatType}\".");
|
|
}
|
|
|
|
private static Operand UnpackImm(EmitterContext context, DstFmt floatType, bool h, int imm)
|
|
{
|
|
if (floatType == DstFmt.F32)
|
|
{
|
|
return GetSrcImm(context, imm);
|
|
}
|
|
else if (floatType == DstFmt.F16)
|
|
{
|
|
return GetHalfUnpacked(context, GetSrcImm(context, imm), HalfSwizzle.F16)[h ? 1 : 0];
|
|
}
|
|
else if (floatType == DstFmt.F64)
|
|
{
|
|
return GetSrcImm(context, imm, isFP64: true);
|
|
}
|
|
|
|
throw new ArgumentException($"Invalid floating point type \"{floatType}\".");
|
|
}
|
|
|
|
private static void WriteFP(EmitterContext context, DstFmt type, Operand srcB, int rd)
|
|
{
|
|
Operand dest = GetDest(rd);
|
|
|
|
if (type == DstFmt.F32)
|
|
{
|
|
context.Copy(dest, srcB);
|
|
}
|
|
else if (type == DstFmt.F16)
|
|
{
|
|
context.Copy(dest, context.PackHalf2x16(srcB, ConstF(0)));
|
|
}
|
|
else /* if (type == FPType.FP64) */
|
|
{
|
|
Operand dest2 = GetDest2(rd);
|
|
|
|
context.Copy(dest, context.UnpackDouble2x32Low(srcB));
|
|
context.Copy(dest2, context.UnpackDouble2x32High(srcB));
|
|
}
|
|
}
|
|
|
|
private static Instruction ToInstFPType(this DstFmt type)
|
|
{
|
|
return type == DstFmt.F64 ? Instruction.FP64 : Instruction.FP32;
|
|
}
|
|
}
|
|
} |