public static SignatureParameterDescription Parse(BytecodeReader reader, BytecodeReader parameterReader, ChunkType chunkType, SignatureElementSize size) { uint stream = 0; if (size == SignatureElementSize._7 || size == SignatureElementSize._8) { stream = parameterReader.ReadUInt32(); } uint nameOffset = parameterReader.ReadUInt32(); var nameReader = reader.CopyAtOffset((int)nameOffset); var result = new SignatureParameterDescription { SemanticName = nameReader.ReadString(), SemanticIndex = parameterReader.ReadUInt32(), SystemValueType = (Name)parameterReader.ReadUInt32(), ComponentType = (RegisterComponentType)parameterReader.ReadUInt32(), Register = parameterReader.ReadUInt32(), Stream = stream, }; uint mask = parameterReader.ReadUInt32(); result.Mask = mask.DecodeValue <ComponentMask>(0, 7); result.ReadWriteMask = mask.DecodeValue <ComponentMask>(8, 15); if (size == SignatureElementSize._8) { MinPrecision minPrecision = (MinPrecision)parameterReader.ReadUInt32(); result.MinPrecision = minPrecision; } // This is my guesswork, but it works so far... if (chunkType == ChunkType.Osg5 || chunkType == ChunkType.Osgn || chunkType == ChunkType.Osg1) { result.ReadWriteMask = (ComponentMask)(ComponentMask.All - result.ReadWriteMask); } return(result); }
public static SignatureParameterDescription Parse(BytecodeReader reader, BytecodeReader parameterReader, ChunkType chunkType, SignatureElementSize size, ProgramType programType) { uint stream = 0; if (size == SignatureElementSize._7 || size == SignatureElementSize._8) { stream = parameterReader.ReadUInt32(); } uint nameOffset = parameterReader.ReadUInt32(); var nameReader = reader.CopyAtOffset((int)nameOffset); var result = new SignatureParameterDescription { SemanticName = nameReader.ReadString(), SemanticIndex = parameterReader.ReadUInt32(), SystemValueType = (Name)parameterReader.ReadUInt32(), ComponentType = (RegisterComponentType)parameterReader.ReadUInt32(), Register = parameterReader.ReadUInt32(), Stream = stream, }; uint mask = parameterReader.ReadUInt32(); result.Mask = mask.DecodeValue <ComponentMask>(0, 7); result.ReadWriteMask = mask.DecodeValue <ComponentMask>(8, 15); if (size == SignatureElementSize._8) { MinPrecision minPrecision = (MinPrecision)parameterReader.ReadUInt32(); result.MinPrecision = minPrecision; } // This is my guesswork, but it works so far... if (chunkType == ChunkType.Osg5 || chunkType == ChunkType.Osgn || chunkType == ChunkType.Osg1 || (chunkType == ChunkType.Pcsg && programType == ProgramType.HullShader)) { result.ReadWriteMask = (ComponentMask)(ComponentMask.All - result.ReadWriteMask); } // Vertex and pixel shaders need special handling for SystemValueType in the output signature. if ((programType == ProgramType.PixelShader || programType == ProgramType.VertexShader) && (chunkType == ChunkType.Osg5 || chunkType == ChunkType.Osgn || chunkType == ChunkType.Osg1)) { if (result.Register == 0xffffffff) { switch (result.SemanticName.ToUpper()) { case "SV_DEPTH": result.SystemValueType = Name.Depth; break; case "SV_COVERAGE": result.SystemValueType = Name.Coverage; break; case "SV_DEPTHGREATEREQUAL": result.SystemValueType = Name.DepthGreaterEqual; break; case "SV_DEPTHLESSEQUAL": result.SystemValueType = Name.DepthLessEqual; break; case "SV_STENCILREF": result.SystemValueType = Name.StencilRef; break; } } else if (programType == ProgramType.PixelShader) { result.SystemValueType = Name.Target; } } return(result); }
public static SignatureParameterDescription Parse(BytecodeReader reader, BytecodeReader parameterReader, ChunkType chunkType, SignatureElementSize size, ProgramType programType) { uint stream = 0; if (size == SignatureElementSize._7) stream = parameterReader.ReadUInt32(); uint nameOffset = parameterReader.ReadUInt32(); var nameReader = reader.CopyAtOffset((int) nameOffset); var result = new SignatureParameterDescription { SemanticName = nameReader.ReadString(), SemanticIndex = parameterReader.ReadUInt32(), SystemValueType = (Name) parameterReader.ReadUInt32(), ComponentType = (RegisterComponentType) parameterReader.ReadUInt32(), Register = parameterReader.ReadUInt32(), Stream = stream, //MinPrecision = (MinPrecision) parameterReader.ReadByte() TODO }; uint mask = parameterReader.ReadUInt32(); result.Mask = mask.DecodeValue<ComponentMask>(0, 7); result.ReadWriteMask = mask.DecodeValue<ComponentMask>(8, 15); // This is my guesswork, but it works so far... if (chunkType == ChunkType.Osg5 || chunkType == ChunkType.Osgn || (chunkType == ChunkType.Pcsg && programType == ProgramType.HullShader)) result.ReadWriteMask = (ComponentMask) (ComponentMask.All - result.ReadWriteMask); // Vertex and pixel shaders need special handling for SystemValueType in the output signature. if ((programType == ProgramType.PixelShader || programType == ProgramType.VertexShader) && (chunkType == ChunkType.Osg5 || chunkType == ChunkType.Osgn)) { if (result.Register == 0xffffffff) switch (result.SemanticName.ToUpper()) { case "SV_DEPTH": result.SystemValueType = Name.Depth; break; case "SV_COVERAGE": result.SystemValueType = Name.Coverage; break; case "SV_DEPTHGREATEREQUAL": result.SystemValueType = Name.DepthGreaterEqual; break; case "SV_DEPTHLESSEQUAL": result.SystemValueType = Name.DepthLessEqual; break; } else if (programType == ProgramType.PixelShader) result.SystemValueType = Name.Target; } return result; }