diff options
| author | gdk <gab.dark.100@gmail.com> | 2019-11-19 10:45:46 -0300 |
|---|---|---|
| committer | Thog <thog@protonmail.com> | 2020-01-09 02:13:00 +0100 |
| commit | 6a8ba6d60080ca15fc25a6812998b19e63171610 (patch) | |
| tree | 1532717900dda140ff75844adb9824c74c059d98 /Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs | |
| parent | 8eb773d81f0b580851b840f3abc222b784523fbc (diff) | |
Add R2P shader instruction
Diffstat (limited to 'Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs')
| -rw-r--r-- | Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs b/Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs index 5833d879..17e80f4a 100644 --- a/Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs +++ b/Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs @@ -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. |