mirror of
https://github.com/GreemDev/Ryujinx
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71 lines
2.3 KiB
C#
71 lines
2.3 KiB
C#
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using Ryujinx.Graphics.Shader.Decoders;
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using Ryujinx.Graphics.Shader.IntermediateRepresentation;
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using Ryujinx.Graphics.Shader.Translation;
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using static Ryujinx.Graphics.Shader.Instructions.InstEmitAluHelper;
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using static Ryujinx.Graphics.Shader.Instructions.InstEmitHelper;
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namespace Ryujinx.Graphics.Shader.Instructions
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{
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static partial class InstEmit
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{
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public static void ImnmxR(EmitterContext context)
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{
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InstImnmxR op = context.GetOp<InstImnmxR>();
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var srcA = GetSrcReg(context, op.SrcA);
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var srcB = GetSrcReg(context, op.SrcB);
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var srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
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EmitImnmx(context, srcA, srcB, srcPred, op.Dest, op.Signed, op.WriteCC);
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}
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public static void ImnmxI(EmitterContext context)
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{
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InstImnmxI op = context.GetOp<InstImnmxI>();
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var srcA = GetSrcReg(context, op.SrcA);
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var srcB = GetSrcImm(context, Imm20ToSInt(op.Imm20));
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var srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
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EmitImnmx(context, srcA, srcB, srcPred, op.Dest, op.Signed, op.WriteCC);
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}
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public static void ImnmxC(EmitterContext context)
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{
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InstImnmxC op = context.GetOp<InstImnmxC>();
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var srcA = GetSrcReg(context, op.SrcA);
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var srcB = GetSrcCbuf(context, op.CbufSlot, op.CbufOffset);
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var srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
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EmitImnmx(context, srcA, srcB, srcPred, op.Dest, op.Signed, op.WriteCC);
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}
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private static void EmitImnmx(
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EmitterContext context,
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Operand srcA,
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Operand srcB,
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Operand srcPred,
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int rd,
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bool isSignedInt,
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bool writeCC)
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{
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Operand resMin = isSignedInt
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? context.IMinimumS32(srcA, srcB)
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: context.IMinimumU32(srcA, srcB);
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Operand resMax = isSignedInt
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? context.IMaximumS32(srcA, srcB)
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: context.IMaximumU32(srcA, srcB);
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Operand res = context.ConditionalSelect(srcPred, resMin, resMax);
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context.Copy(GetDest(rd), res);
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SetZnFlags(context, res, writeCC);
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// TODO: X flags.
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}
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}
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}
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