mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-18 06:38:42 +02:00
* Implement DADD, DFMA and DMUL shader instructions * Rename FP to FP32 * Correct double immediate * Classic mistake
253 lines
8.2 KiB
C#
253 lines
8.2 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.Instructions.InstEmitAluHelper;
|
|
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
|
|
|
|
namespace Ryujinx.Graphics.Shader.Instructions
|
|
{
|
|
static partial class InstEmit
|
|
{
|
|
public static void F2F(EmitterContext context)
|
|
{
|
|
OpCodeFArith op = (OpCodeFArith)context.CurrOp;
|
|
|
|
FPType dstType = (FPType)op.RawOpCode.Extract(8, 2);
|
|
FPType srcType = (FPType)op.RawOpCode.Extract(10, 2);
|
|
|
|
bool round = op.RawOpCode.Extract(42);
|
|
bool negateB = op.RawOpCode.Extract(45);
|
|
bool absoluteB = op.RawOpCode.Extract(49);
|
|
|
|
Operand srcB = context.FPAbsNeg(GetSrcB(context, srcType), absoluteB, negateB, srcType.ToInstFPType());
|
|
|
|
if (round && srcType == dstType)
|
|
{
|
|
switch (op.RoundingMode)
|
|
{
|
|
case RoundingMode.ToNearest:
|
|
srcB = context.FPRound(srcB, srcType.ToInstFPType());
|
|
break;
|
|
|
|
case RoundingMode.TowardsNegativeInfinity:
|
|
srcB = context.FPFloor(srcB, srcType.ToInstFPType());
|
|
break;
|
|
|
|
case RoundingMode.TowardsPositiveInfinity:
|
|
srcB = context.FPCeiling(srcB, srcType.ToInstFPType());
|
|
break;
|
|
|
|
case RoundingMode.TowardsZero:
|
|
srcB = context.FPTruncate(srcB, srcType.ToInstFPType());
|
|
break;
|
|
}
|
|
}
|
|
|
|
// 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 == FPType.FP32 && dstType == FPType.FP64)
|
|
{
|
|
srcB = context.FP32ConvertToFP64(srcB);
|
|
}
|
|
else if (srcType == FPType.FP64 && dstType == FPType.FP32)
|
|
{
|
|
srcB = context.FP64ConvertToFP32(srcB);
|
|
}
|
|
|
|
srcB = context.FPSaturate(srcB, op.Saturate, dstType.ToInstFPType());
|
|
|
|
WriteFP(context, dstType, srcB);
|
|
|
|
// TODO: CC.
|
|
}
|
|
|
|
public static void F2I(EmitterContext context)
|
|
{
|
|
OpCodeFArith op = (OpCodeFArith)context.CurrOp;
|
|
|
|
IntegerType intType = (IntegerType)op.RawOpCode.Extract(8, 2);
|
|
|
|
if (intType == IntegerType.U64)
|
|
{
|
|
context.Config.PrintLog("Unimplemented 64-bits F2I.");
|
|
|
|
return;
|
|
}
|
|
|
|
bool isSmallInt = intType <= IntegerType.U16;
|
|
|
|
FPType floatType = (FPType)op.RawOpCode.Extract(10, 2);
|
|
|
|
bool isSignedInt = op.RawOpCode.Extract(12);
|
|
bool negateB = op.RawOpCode.Extract(45);
|
|
bool absoluteB = op.RawOpCode.Extract(49);
|
|
|
|
if (isSignedInt)
|
|
{
|
|
intType |= IntegerType.S8;
|
|
}
|
|
|
|
Operand srcB = context.FPAbsNeg(GetSrcB(context, floatType), absoluteB, negateB);
|
|
|
|
switch (op.RoundingMode)
|
|
{
|
|
case RoundingMode.ToNearest:
|
|
srcB = context.FPRound(srcB);
|
|
break;
|
|
|
|
case RoundingMode.TowardsNegativeInfinity:
|
|
srcB = context.FPFloor(srcB);
|
|
break;
|
|
|
|
case RoundingMode.TowardsPositiveInfinity:
|
|
srcB = context.FPCeiling(srcB);
|
|
break;
|
|
|
|
case RoundingMode.TowardsZero:
|
|
srcB = context.FPTruncate(srcB);
|
|
break;
|
|
}
|
|
|
|
if (!isSignedInt)
|
|
{
|
|
// Negative float to uint cast is undefined, so we clamp
|
|
// the value before conversion.
|
|
srcB = context.FPMaximum(srcB, ConstF(0));
|
|
}
|
|
|
|
srcB = isSignedInt
|
|
? context.FPConvertToS32(srcB)
|
|
: context.FPConvertToU32(srcB);
|
|
|
|
if (isSmallInt)
|
|
{
|
|
int min = (int)GetIntMin(intType);
|
|
int max = (int)GetIntMax(intType);
|
|
|
|
srcB = isSignedInt
|
|
? context.IClampS32(srcB, Const(min), Const(max))
|
|
: context.IClampU32(srcB, Const(min), Const(max));
|
|
}
|
|
|
|
Operand dest = GetDest(context);
|
|
|
|
context.Copy(dest, srcB);
|
|
|
|
// TODO: CC.
|
|
}
|
|
|
|
public static void I2F(EmitterContext context)
|
|
{
|
|
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
|
|
|
|
FPType dstType = (FPType)op.RawOpCode.Extract(8, 2);
|
|
|
|
IntegerType srcType = (IntegerType)op.RawOpCode.Extract(10, 2);
|
|
|
|
// TODO: Handle S/U64.
|
|
|
|
bool isSmallInt = srcType <= IntegerType.U16;
|
|
|
|
bool isSignedInt = op.RawOpCode.Extract(13);
|
|
bool negateB = op.RawOpCode.Extract(45);
|
|
bool absoluteB = op.RawOpCode.Extract(49);
|
|
|
|
Operand srcB = context.IAbsNeg(GetSrcB(context), absoluteB, negateB);
|
|
|
|
if (isSmallInt)
|
|
{
|
|
int size = srcType == IntegerType.U16 ? 16 : 8;
|
|
|
|
srcB = isSignedInt
|
|
? context.BitfieldExtractS32(srcB, Const(op.ByteSelection * 8), Const(size))
|
|
: context.BitfieldExtractU32(srcB, Const(op.ByteSelection * 8), Const(size));
|
|
}
|
|
|
|
srcB = isSignedInt
|
|
? context.IConvertS32ToFP(srcB)
|
|
: context.IConvertU32ToFP(srcB);
|
|
|
|
WriteFP(context, dstType, srcB);
|
|
|
|
// TODO: CC.
|
|
}
|
|
|
|
public static void I2I(EmitterContext context)
|
|
{
|
|
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
|
|
|
|
IntegerType dstType = (IntegerType)op.RawOpCode.Extract(8, 2);
|
|
IntegerType srcType = (IntegerType)op.RawOpCode.Extract(10, 2);
|
|
|
|
if (srcType == IntegerType.U64 || dstType == IntegerType.U64)
|
|
{
|
|
context.Config.PrintLog("Invalid I2I encoding.");
|
|
|
|
return;
|
|
}
|
|
|
|
bool srcIsSmallInt = srcType <= IntegerType.U16;
|
|
|
|
bool dstIsSignedInt = op.RawOpCode.Extract(12);
|
|
bool srcIsSignedInt = op.RawOpCode.Extract(13);
|
|
bool negateB = op.RawOpCode.Extract(45);
|
|
bool absoluteB = op.RawOpCode.Extract(49);
|
|
|
|
Operand srcB = GetSrcB(context);
|
|
|
|
if (srcIsSmallInt)
|
|
{
|
|
int size = srcType == IntegerType.U16 ? 16 : 8;
|
|
|
|
srcB = srcIsSignedInt
|
|
? context.BitfieldExtractS32(srcB, Const(op.ByteSelection * 8), Const(size))
|
|
: context.BitfieldExtractU32(srcB, Const(op.ByteSelection * 8), Const(size));
|
|
}
|
|
|
|
srcB = context.IAbsNeg(srcB, absoluteB, negateB);
|
|
|
|
if (op.Saturate)
|
|
{
|
|
if (dstIsSignedInt)
|
|
{
|
|
dstType |= IntegerType.S8;
|
|
}
|
|
|
|
int min = (int)GetIntMin(dstType);
|
|
int max = (int)GetIntMax(dstType);
|
|
|
|
srcB = dstIsSignedInt
|
|
? context.IClampS32(srcB, Const(min), Const(max))
|
|
: context.IClampU32(srcB, Const(min), Const(max));
|
|
}
|
|
|
|
context.Copy(GetDest(context), srcB);
|
|
|
|
// TODO: CC.
|
|
}
|
|
|
|
private static void WriteFP(EmitterContext context, FPType type, Operand srcB)
|
|
{
|
|
Operand dest = GetDest(context);
|
|
|
|
if (type == FPType.FP32)
|
|
{
|
|
context.Copy(dest, srcB);
|
|
}
|
|
else if (type == FPType.FP16)
|
|
{
|
|
context.Copy(dest, context.PackHalf2x16(srcB, ConstF(0)));
|
|
}
|
|
else /* if (type == FPType.FP64) */
|
|
{
|
|
Operand dest2 = GetDest2(context);
|
|
|
|
context.Copy(dest, context.UnpackDouble2x32Low(srcB));
|
|
context.Copy(dest2, context.UnpackDouble2x32High(srcB));
|
|
}
|
|
}
|
|
}
|
|
} |