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Implement ATOM shader instruction (#1687)

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* Implement ATOM shader instruction

* Fix reduction type decoding
This commit is contained in:
gdkchan 2020-11-09 21:06:46 -03:00 • committed by GitHub
parent 934a78005e
commit c3d62bd078
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 45 additions and 22 deletions
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38
Ryujinx.Graphics.Shader/Instructions/InstEmitMemory.cs
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@ -57,13 +57,47 @@ namespace Ryujinx.Graphics.Shader.Instructions
}
}
public static void Atom(EmitterContext context)
{
OpCodeAtom op = (OpCodeAtom)context.CurrOp;
ReductionType type = (ReductionType)op.RawOpCode.Extract(49, 2);
int sOffset = (op.RawOpCode.Extract(28, 20) << 12) >> 12;
(Operand addrLow, Operand addrHigh) = Get40BitsAddress(context, op.Ra, op.Extended, sOffset);
Operand value = GetSrcB(context);
Operand res = EmitAtomicOp(
context,
Instruction.MrGlobal,
op.AtomicOp,
type,
addrLow,
addrHigh,
value);
context.Copy(GetDest(context), res);
}
public static void Atoms(EmitterContext context)
{
OpCodeAtom op = (OpCodeAtom)context.CurrOp;
ReductionType type = op.RawOpCode.Extract(28, 2) switch
{
0 => ReductionType.U32,
1 => ReductionType.S32,
2 => ReductionType.U64,
_ => ReductionType.S64
};
Operand offset = context.ShiftRightU32(GetSrcA(context), Const(2));
offset = context.IAdd(offset, Const(op.Offset));
int sOffset = (op.RawOpCode.Extract(30, 22) << 10) >> 10;
offset = context.IAdd(offset, Const(sOffset));
Operand value = GetSrcB(context);
@ -71,7 +105,7 @@ namespace Ryujinx.Graphics.Shader.Instructions
context,
Instruction.MrShared,
op.AtomicOp,
op.Type,
type,
offset,
Const(0),
value);