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Implement TMML and TMML.B (#1270)
* Implement TMML and TMML.B This implement TMML and TMML.B instructions * Fix TmmlB declaration alignment * Address gdkchan's comments * Fix inverted encoding definitions
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2 changed files with 126 additions and 0 deletions
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@ -231,6 +231,8 @@ namespace Ryujinx.Graphics.Shader.Decoders
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Set("11011101xx111x", InstEmit.TldB, typeof(OpCodeTld));
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Set("110010xxxx111x", InstEmit.Tld4, typeof(OpCodeTld4));
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Set("1101111011111x", InstEmit.Tld4, typeof(OpCodeTld4B));
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Set("11011111011000", InstEmit.TmmlB, typeof(OpCodeTexture));
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Set("11011111010110", InstEmit.Tmml, typeof(OpCodeTexture));
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Set("110111100x1110", InstEmit.Txd, typeof(OpCodeTxd));
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Set("1101111101001x", InstEmit.Txq, typeof(OpCodeTex));
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Set("1101111101010x", InstEmit.TxqB, typeof(OpCodeTex));
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@ -716,6 +716,130 @@ namespace Ryujinx.Graphics.Shader.Instructions
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}
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}
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public static void TmmlB(EmitterContext context)
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{
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EmitTextureMipMapLevel(context, true);
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}
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public static void Tmml(EmitterContext context)
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{
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EmitTextureMipMapLevel(context, false);
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}
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private static void EmitTextureMipMapLevel(EmitterContext context, bool isBindless)
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{
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OpCodeTexture op = (OpCodeTexture)context.CurrOp;
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if (op.Rd.IsRZ)
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{
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return;
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}
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int raIndex = op.Ra.Index;
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int rbIndex = op.Rb.Index;
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Operand Ra()
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{
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if (raIndex > RegisterConsts.RegisterZeroIndex)
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{
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return Const(0);
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}
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return context.Copy(Register(raIndex++, RegisterType.Gpr));
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}
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Operand Rb()
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{
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if (rbIndex > RegisterConsts.RegisterZeroIndex)
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{
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return Const(0);
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}
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return context.Copy(Register(rbIndex++, RegisterType.Gpr));
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}
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TextureFlags flags = TextureFlags.None;
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List<Operand> sourcesList = new List<Operand>();
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if (isBindless)
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{
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sourcesList.Add(Rb());
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flags |= TextureFlags.Bindless;
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}
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SamplerType type = ConvertSamplerType(op.Dimensions);
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int coordsCount = type.GetDimensions();
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Operand arrayIndex = op.IsArray ? Ra() : null;
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for (int index = 0; index < coordsCount; index++)
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{
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sourcesList.Add(Ra());
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}
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if (op.IsArray)
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{
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sourcesList.Add(arrayIndex);
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type |= SamplerType.Array;
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}
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Operand[] sources = sourcesList.ToArray();
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int rdIndex = op.Rd.Index;
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Operand GetDest()
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{
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if (rdIndex > RegisterConsts.RegisterZeroIndex)
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{
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return Const(0);
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}
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return Register(rdIndex++, RegisterType.Gpr);
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}
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int handle = !isBindless ? op.Immediate : 0;
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for (int compMask = op.ComponentMask, compIndex = 0; compMask != 0; compMask >>= 1, compIndex++)
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{
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if ((compMask & 1) != 0)
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{
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Operand dest = GetDest();
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// Components z and w aren't standard, we return 0 in this case and add a comment.
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if (compIndex >= 2)
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{
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context.Add(new CommentNode("Unsupported component z or w found"));
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context.Copy(dest, Const(0));
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}
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else
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{
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Operand tempDest = Local();
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TextureOperation operation = new TextureOperation(
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Instruction.Lod,
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type,
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flags,
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handle,
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compIndex,
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tempDest,
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sources);
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context.Add(operation);
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tempDest = context.FPMultiply(tempDest, ConstF(256.0f));
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Operand finalValue = context.FPConvertToS32(tempDest);
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context.Copy(dest, finalValue);
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}
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}
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}
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}
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public static void Txd(EmitterContext context)
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{
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OpCodeTxd op = (OpCodeTxd)context.CurrOp;
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