InstructionInfo.cs 8.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142
  1. using Ryujinx.Graphics.Shader.IntermediateRepresentation;
  2. using System;
  3. namespace Ryujinx.Graphics.Shader.StructuredIr
  4. {
  5. static class InstructionInfo
  6. {
  7. private struct InstInfo
  8. {
  9. public VariableType DestType { get; }
  10. public VariableType[] SrcTypes { get; }
  11. public InstInfo(VariableType destType, params VariableType[] srcTypes)
  12. {
  13. DestType = destType;
  14. SrcTypes = srcTypes;
  15. }
  16. }
  17. private static InstInfo[] _infoTbl;
  18. static InstructionInfo()
  19. {
  20. _infoTbl = new InstInfo[(int)Instruction.Count];
  21. Add(Instruction.Absolute, VariableType.Scalar, VariableType.Scalar);
  22. Add(Instruction.Add, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar);
  23. Add(Instruction.BitfieldExtractS32, VariableType.S32, VariableType.S32, VariableType.S32, VariableType.S32);
  24. Add(Instruction.BitfieldExtractU32, VariableType.U32, VariableType.U32, VariableType.S32, VariableType.S32);
  25. Add(Instruction.BitfieldInsert, VariableType.Int, VariableType.Int, VariableType.Int, VariableType.S32, VariableType.S32);
  26. Add(Instruction.BitfieldReverse, VariableType.Int, VariableType.Int);
  27. Add(Instruction.BitwiseAnd, VariableType.Int, VariableType.Int, VariableType.Int);
  28. Add(Instruction.BitwiseExclusiveOr, VariableType.Int, VariableType.Int, VariableType.Int);
  29. Add(Instruction.BitwiseNot, VariableType.Int, VariableType.Int);
  30. Add(Instruction.BitwiseOr, VariableType.Int, VariableType.Int, VariableType.Int);
  31. Add(Instruction.BranchIfTrue, VariableType.None, VariableType.Bool);
  32. Add(Instruction.BranchIfFalse, VariableType.None, VariableType.Bool);
  33. Add(Instruction.Ceiling, VariableType.F32, VariableType.F32, VariableType.F32);
  34. Add(Instruction.Clamp, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar);
  35. Add(Instruction.ClampU32, VariableType.U32, VariableType.U32, VariableType.U32, VariableType.U32);
  36. Add(Instruction.CompareEqual, VariableType.Bool, VariableType.Scalar, VariableType.Scalar);
  37. Add(Instruction.CompareGreater, VariableType.Bool, VariableType.Scalar, VariableType.Scalar);
  38. Add(Instruction.CompareGreaterOrEqual, VariableType.Bool, VariableType.Scalar, VariableType.Scalar);
  39. Add(Instruction.CompareGreaterOrEqualU32, VariableType.Bool, VariableType.U32, VariableType.U32);
  40. Add(Instruction.CompareGreaterU32, VariableType.Bool, VariableType.U32, VariableType.U32);
  41. Add(Instruction.CompareLess, VariableType.Bool, VariableType.Scalar, VariableType.Scalar);
  42. Add(Instruction.CompareLessOrEqual, VariableType.Bool, VariableType.Scalar, VariableType.Scalar);
  43. Add(Instruction.CompareLessOrEqualU32, VariableType.Bool, VariableType.U32, VariableType.U32);
  44. Add(Instruction.CompareLessU32, VariableType.Bool, VariableType.U32, VariableType.U32);
  45. Add(Instruction.CompareNotEqual, VariableType.Bool, VariableType.Scalar, VariableType.Scalar);
  46. Add(Instruction.ConditionalSelect, VariableType.Scalar, VariableType.Bool, VariableType.Scalar, VariableType.Scalar);
  47. Add(Instruction.ConvertFPToS32, VariableType.S32, VariableType.F32);
  48. Add(Instruction.ConvertS32ToFP, VariableType.F32, VariableType.S32);
  49. Add(Instruction.ConvertU32ToFP, VariableType.F32, VariableType.U32);
  50. Add(Instruction.Cosine, VariableType.Scalar, VariableType.Scalar);
  51. Add(Instruction.Divide, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar);
  52. Add(Instruction.ExponentB2, VariableType.Scalar, VariableType.Scalar);
  53. Add(Instruction.Floor, VariableType.F32, VariableType.F32);
  54. Add(Instruction.FusedMultiplyAdd, VariableType.F32, VariableType.F32, VariableType.F32, VariableType.F32);
  55. Add(Instruction.IsNan, VariableType.Bool, VariableType.F32);
  56. Add(Instruction.LoadConstant, VariableType.F32, VariableType.S32, VariableType.S32);
  57. Add(Instruction.LogarithmB2, VariableType.Scalar, VariableType.Scalar);
  58. Add(Instruction.LogicalAnd, VariableType.Bool, VariableType.Bool, VariableType.Bool);
  59. Add(Instruction.LogicalExclusiveOr, VariableType.Bool, VariableType.Bool, VariableType.Bool);
  60. Add(Instruction.LogicalNot, VariableType.Bool, VariableType.Bool);
  61. Add(Instruction.LogicalOr, VariableType.Bool, VariableType.Bool, VariableType.Bool);
  62. Add(Instruction.ShiftLeft, VariableType.Int, VariableType.Int, VariableType.Int);
  63. Add(Instruction.ShiftRightS32, VariableType.S32, VariableType.S32, VariableType.Int);
  64. Add(Instruction.ShiftRightU32, VariableType.U32, VariableType.U32, VariableType.Int);
  65. Add(Instruction.Maximum, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar);
  66. Add(Instruction.MaximumU32, VariableType.U32, VariableType.U32, VariableType.U32);
  67. Add(Instruction.Minimum, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar);
  68. Add(Instruction.MinimumU32, VariableType.U32, VariableType.U32, VariableType.U32);
  69. Add(Instruction.Multiply, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar);
  70. Add(Instruction.Negate, VariableType.Scalar, VariableType.Scalar);
  71. Add(Instruction.PackHalf2x16, VariableType.U32, VariableType.F32, VariableType.F32);
  72. Add(Instruction.ReciprocalSquareRoot, VariableType.Scalar, VariableType.Scalar);
  73. Add(Instruction.Sine, VariableType.Scalar, VariableType.Scalar);
  74. Add(Instruction.SquareRoot, VariableType.Scalar, VariableType.Scalar);
  75. Add(Instruction.Subtract, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar);
  76. Add(Instruction.TextureSample, VariableType.F32);
  77. Add(Instruction.TextureSize, VariableType.S32, VariableType.S32, VariableType.S32);
  78. Add(Instruction.Truncate, VariableType.F32, VariableType.F32);
  79. Add(Instruction.UnpackHalf2x16, VariableType.F32, VariableType.U32);
  80. }
  81. private static void Add(Instruction inst, VariableType destType, params VariableType[] srcTypes)
  82. {
  83. _infoTbl[(int)inst] = new InstInfo(destType, srcTypes);
  84. }
  85. public static VariableType GetDestVarType(Instruction inst)
  86. {
  87. return GetFinalVarType(_infoTbl[(int)(inst & Instruction.Mask)].DestType, inst);
  88. }
  89. public static VariableType GetSrcVarType(Instruction inst, int index)
  90. {
  91. if (inst == Instruction.TextureSample)
  92. {
  93. return VariableType.F32;
  94. }
  95. return GetFinalVarType(_infoTbl[(int)(inst & Instruction.Mask)].SrcTypes[index], inst);
  96. }
  97. private static VariableType GetFinalVarType(VariableType type, Instruction inst)
  98. {
  99. if (type == VariableType.Scalar)
  100. {
  101. return (inst & Instruction.FP) != 0
  102. ? VariableType.F32
  103. : VariableType.S32;
  104. }
  105. else if (type == VariableType.Int)
  106. {
  107. return VariableType.S32;
  108. }
  109. else if (type == VariableType.None)
  110. {
  111. throw new ArgumentException($"Invalid operand for instruction \"{inst}\".");
  112. }
  113. return type;
  114. }
  115. public static bool IsUnary(Instruction inst)
  116. {
  117. if (inst == Instruction.Copy)
  118. {
  119. return true;
  120. }
  121. else if (inst == Instruction.TextureSample)
  122. {
  123. return false;
  124. }
  125. return _infoTbl[(int)(inst & Instruction.Mask)].SrcTypes.Length == 1;
  126. }
  127. }
  128. }