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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.InstEmitHelper;
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
namespace Ryujinx.Graphics.Shader.Instructions
{
static partial class InstEmit
{
public static void Mov(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
context.Copy(GetDest(context), GetSrcB(context));
}
public static void S2r(EmitterContext context)
{
// TODO: Better impl.
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
SystemRegister sysReg = (SystemRegister)op.RawOpCode.Extract(20, 8);
Operand src;
switch (sysReg)
{
case SystemRegister.LaneId: src = Attribute(AttributeConsts.LaneId); break;
// TODO: Use value from Y direction GPU register.
case SystemRegister.YDirection: src = ConstF(1); break;
case SystemRegister.ThreadId:
{
Operand tidX = Attribute(AttributeConsts.ThreadIdX);
Operand tidY = Attribute(AttributeConsts.ThreadIdY);
Operand tidZ = Attribute(AttributeConsts.ThreadIdZ);
tidY = context.ShiftLeft(tidY, Const(16));
tidZ = context.ShiftLeft(tidZ, Const(26));
src = context.BitwiseOr(tidX, context.BitwiseOr(tidY, tidZ));
break;
}
case SystemRegister.ThreadIdX: src = Attribute(AttributeConsts.ThreadIdX); break;
case SystemRegister.ThreadIdY: src = Attribute(AttributeConsts.ThreadIdY); break;
case SystemRegister.ThreadIdZ: src = Attribute(AttributeConsts.ThreadIdZ); break;
case SystemRegister.CtaIdX: src = Attribute(AttributeConsts.CtaIdX); break;
case SystemRegister.CtaIdY: src = Attribute(AttributeConsts.CtaIdY); break;
case SystemRegister.CtaIdZ: src = Attribute(AttributeConsts.CtaIdZ); break;
case SystemRegister.EqMask: src = Attribute(AttributeConsts.EqMask); break;
case SystemRegister.LtMask: src = Attribute(AttributeConsts.LtMask); break;
case SystemRegister.LeMask: src = Attribute(AttributeConsts.LeMask); break;
case SystemRegister.GtMask: src = Attribute(AttributeConsts.GtMask); break;
case SystemRegister.GeMask: src = Attribute(AttributeConsts.GeMask); break;
default: src = Const(0); break;
}
context.Copy(GetDest(context), src);
}
public static void Sel(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
Operand pred = GetPredicate39(context);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
Operand res = context.ConditionalSelect(pred, srcA, srcB);
context.Copy(GetDest(context), res);
}
public static void Shfl(EmitterContext context)
{
OpCodeShuffle op = (OpCodeShuffle)context.CurrOp;
Operand pred = Register(op.Predicate48);
Operand srcA = GetSrcA(context);
Operand srcB = op.IsBImmediate ? Const(op.ImmediateB) : Register(op.Rb);
Operand srcC = op.IsCImmediate ? Const(op.ImmediateC) : Register(op.Rc);
Operand res = null;
switch (op.ShuffleType)
{
case ShuffleType.Indexed:
res = context.Shuffle(srcA, srcB, srcC);
break;
case ShuffleType.Up:
res = context.ShuffleUp(srcA, srcB, srcC);
break;
case ShuffleType.Down:
res = context.ShuffleDown(srcA, srcB, srcC);
break;
case ShuffleType.Butterfly:
res = context.ShuffleXor(srcA, srcB, srcC);
break;
}
context.Copy(GetDest(context), res);
}
}
}
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