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Fix FLO.SH shader instruction with a input of 0 (#2876)

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* Fix FLO.SH shader instruction with a input of 0

* Shader cache version bump
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gdkchan 2021-12-05 09:25:05 -03:00 • committed by GitHub
parent 2ab777885b
commit acc0b0f313
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 27 additions and 15 deletions
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12
Ryujinx.Graphics.Shader/Instructions/InstEmitBitfield.cs
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@ -166,13 +166,17 @@ namespace Ryujinx.Graphics.Shader.Instructions
{
Operand srcB = context.BitwiseNot(src, invert);
Operand res = isSigned
? context.FindFirstSetS32(srcB)
: context.FindFirstSetU32(srcB);
Operand res;
if (sh)
{
res = context.BitwiseExclusiveOr(res, Const(31));
res = context.FindLSB(context.BitfieldReverse(srcB));
}
else
{
res = isSigned
? context.FindMSBS32(srcB)
: context.FindMSBU32(srcB);
}
context.Copy(GetDest(rd), res);