/// <summary> /// Parses the kernel parameters from the kernel signature /// </summary> /// <param name="code">The full program code</param> /// <param name="startIndex">The index where the kernel name starts</param> /// <param name="endIndex">the index after the bracket of the signature closed</param> /// <returns>A parsed list of Kernel parameters</returns> public static KernelParameter[] CreateKernelParametersFromKernelCode(string code, int startIndex, int endIndex) { string kernelHeader = code.Substring(startIndex, endIndex); int start = kernelHeader.IndexOf('('), end = kernelHeader.LastIndexOf(')'); string parameters = kernelHeader.Substring(start + 1, end - start - 1); string[] pars = parameters.Split(','); KernelParameter[] ret = new KernelParameter[pars.Length]; for (int i = 0; i < pars.Length; i++) { string[] parametr = pars[i].Trim().Split(' '); ret[i] = new KernelParameter { Name = parametr[parametr.Length - 1].Replace('*', ' ').Trim(), DataType = GetDataType(parametr[parametr.Length - 2].Replace('*', ' ').Trim()), MemScope = GetMemoryScope(parametr.Length == 3 ? parametr[0] : ""), IsArray = parametr[parametr.Length - 2].IndexOf("*", StringComparison.InvariantCulture) != -1 || parametr[parametr.Length - 1].IndexOf("*", StringComparison.InvariantCulture) != -1, Id = i }; } return(ret); }
/// <summary> /// Public constructor /// </summary> /// <param name="folderName">Folder name where the kernels are located</param> /// <param name="genDataType">The DataTypes used to compile the FL Database</param> public KernelDatabase(string folderName, TypeEnums.DataTypes genDataType) { GenDataType = KernelParameter.GetDataString(genDataType); if (!Directory.Exists(folderName)) { Logger.Crash(new InvalidFolderPathException(folderName), true); Logger.Log("Creating Folder: " + folderName, DebugChannel.Warning | DebugChannel.OpenCL, 10); Directory.CreateDirectory(folderName); } _folderName = folderName; LoadedKernels = new Dictionary <string, CLKernel>(); Initialize(); }
/// <summary> /// Loads the source and initializes the CLProgram /// </summary> private void Initialize() { int vnum = GetVectorNum(_genType); string[] lines = TextProcessorAPI.GenericIncludeToSource(".cl", _filePath, _genType, vnum == 0 || vnum == 1 ? "float" : "float" + vnum); Dictionary <string, bool> defs = new Dictionary <string, bool> { { "V_" + vnum, true } }; string source = TextProcessorAPI.PreprocessSource(lines, _filePath, defs); string[] kernelNames = FindKernelNames(source); ClProgramHandle = CLAPI.CreateCLProgramFromSource(source); foreach (string kernelName in kernelNames) { Kernel k = CLAPI.CreateKernelFromName(ClProgramHandle, kernelName); int kernelNameIndex = source.IndexOf(" " + kernelName + " ", StringComparison.InvariantCulture); kernelNameIndex = kernelNameIndex == -1 ? source.IndexOf(" " + kernelName + "(", StringComparison.InvariantCulture) : kernelNameIndex; KernelParameter[] parameter = KernelParameter.CreateKernelParametersFromKernelCode(source, kernelNameIndex, source.Substring(kernelNameIndex, source.Length - kernelNameIndex).IndexOf(')') + 1); if (k == null) { ContainedKernels.Add(kernelName, new CLKernel(null, kernelName, parameter)); } else { ContainedKernels.Add(kernelName, new CLKernel(k, kernelName, parameter)); } } }