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Add R2P shader instruction

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gdk 2019-11-19 10:45:46 -03:00 • committed by Thog
parent 8eb773d81f
commit 6a8ba6d600
3 changed files with 36 additions and 1 deletions
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32
Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs
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@ -16,6 +16,38 @@ namespace Ryujinx.Graphics.Shader.Instructions
context.Copy(GetDest(context), GetSrcB(context));
}
public static void R2p(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool isCC = op.RawOpCode.Extract(40);
int shift = op.RawOpCode.Extract(41, 2) * 8;
Operand value = GetSrcA(context);
Operand mask = GetSrcB(context);
Operand Test(Operand value, int bit)
{
return context.ICompareNotEqual(context.BitwiseAnd(value, Const(1 << bit)), Const(0));
}
if (isCC)
{
// TODO.
}
else
{
for (int bit = 0; bit < 7; bit++)
{
Operand pred = Register(bit, RegisterType.Predicate);
Operand res = context.ConditionalSelect(Test(mask, bit), Test(value, bit + shift), pred);
context.Copy(pred, res);
}
}
}
public static void S2r(EmitterContext context)
{
// TODO: Better impl.