diff options
Diffstat (limited to 'Ryujinx.Graphics.Shader/Instructions/InstEmitConditionCode.cs')
-rw-r--r-- | Ryujinx.Graphics.Shader/Instructions/InstEmitConditionCode.cs | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Shader/Instructions/InstEmitConditionCode.cs b/Ryujinx.Graphics.Shader/Instructions/InstEmitConditionCode.cs new file mode 100644 index 00000000..74ac7602 --- /dev/null +++ b/Ryujinx.Graphics.Shader/Instructions/InstEmitConditionCode.cs @@ -0,0 +1,87 @@ +using Ryujinx.Graphics.Shader.Decoders; +using Ryujinx.Graphics.Shader.IntermediateRepresentation; +using Ryujinx.Graphics.Shader.Translation; + +using static Ryujinx.Graphics.Shader.Instructions.InstEmitAluHelper; +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 Cset(EmitterContext context) + { + InstCset op = context.GetOp<InstCset>(); + + Operand res = GetCondition(context, op.Ccc); + Operand srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv); + + res = GetPredLogicalOp(context, op.Bop, res, srcPred); + + Operand dest = GetDest(op.Dest); + + if (op.BVal) + { + context.Copy(dest, context.ConditionalSelect(res, ConstF(1), Const(0))); + } + else + { + context.Copy(dest, res); + } + + // TODO: CC. + } + + public static void Csetp(EmitterContext context) + { + InstCsetp op = context.GetOp<InstCsetp>(); + + Operand p0Res = GetCondition(context, op.Ccc); + Operand p1Res = context.BitwiseNot(p0Res); + Operand srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv); + + p0Res = GetPredLogicalOp(context, op.Bop, p0Res, srcPred); + p1Res = GetPredLogicalOp(context, op.Bop, p1Res, srcPred); + + context.Copy(Register(op.DestPred, RegisterType.Predicate), p0Res); + context.Copy(Register(op.DestPredInv, RegisterType.Predicate), p1Res); + + // TODO: CC. + } + + private static Operand GetCondition(EmitterContext context, Ccc cond, int defaultCond = IrConsts.True) + { + return cond switch + { + Ccc.F => Const(IrConsts.False), + Ccc.Lt => context.BitwiseExclusiveOr(context.BitwiseAnd(GetNF(), context.BitwiseNot(GetZF())), GetVF()), + Ccc.Eq => context.BitwiseAnd(context.BitwiseNot(GetNF()), GetZF()), + Ccc.Le => context.BitwiseExclusiveOr(GetNF(), context.BitwiseOr(GetZF(), GetVF())), + Ccc.Gt => context.BitwiseNot(context.BitwiseOr(context.BitwiseExclusiveOr(GetNF(), GetVF()), GetZF())), + Ccc.Ne => context.BitwiseNot(GetZF()), + Ccc.Ge => context.BitwiseNot(context.BitwiseExclusiveOr(GetNF(), GetVF())), + Ccc.Num => context.BitwiseNot(context.BitwiseAnd(GetNF(), GetZF())), + Ccc.Nan => context.BitwiseAnd(GetNF(), GetZF()), + Ccc.Ltu => context.BitwiseExclusiveOr(GetNF(), GetVF()), + Ccc.Equ => GetZF(), + Ccc.Leu => context.BitwiseOr(context.BitwiseExclusiveOr(GetNF(), GetVF()), GetZF()), + Ccc.Gtu => context.BitwiseExclusiveOr(context.BitwiseNot(GetNF()), context.BitwiseOr(GetVF(), GetZF())), + Ccc.Neu => context.BitwiseOr(GetNF(), context.BitwiseNot(GetZF())), + Ccc.Geu => context.BitwiseExclusiveOr(context.BitwiseOr(context.BitwiseNot(GetNF()), GetZF()), GetVF()), + Ccc.T => Const(IrConsts.True), + Ccc.Off => context.BitwiseNot(GetVF()), + Ccc.Lo => context.BitwiseNot(GetCF()), + Ccc.Sff => context.BitwiseNot(GetNF()), + Ccc.Ls => context.BitwiseOr(GetZF(), context.BitwiseNot(GetCF())), + Ccc.Hi => context.BitwiseAnd(GetCF(), context.BitwiseNot(GetZF())), + Ccc.Sft => GetNF(), + Ccc.Hs => GetCF(), + Ccc.Oft => GetVF(), + Ccc.Rle => context.BitwiseOr(GetNF(), GetZF()), + Ccc.Rgt => context.BitwiseNot(context.BitwiseOr(GetNF(), GetZF())), + _ => Const(defaultCond) + }; + } + } +}
\ No newline at end of file |