/// <summary>
/// Loads the source and initializes the CLProgram
/// </summary>
private void Initialize(CLAPI instance)
{
int vnum = GetVectorNum(genType);
string source = TextProcessorAPI.PreprocessSource(filePath, new Dictionary <string, bool>());
string[] kernelNames = FindKernelNames(source);
ClProgramHandle = CLAPI.CreateClProgramFromSource(instance, 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(instance, null, kernelName, parameter));
}
else
{
ContainedKernels.Add(kernelName, new CLKernel(instance, k, kernelName, parameter));
}
}
}
/// <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="instance">CLAPI Instance for the current thread</param>
/// <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(CLAPI instance, string folderName, TypeEnums.DataTypes genDataType)
{
GenDataType = KernelParameter.GetDataString(genDataType);
if (!CLAPI.DirectoryExists(folderName))
{
throw new Exception(folderName);
}
this.folderName = folderName;
LoadedKernels = new Dictionary <string, CLKernel>();
Initialize(instance);
}
/// <summary>
/// Public constructor
/// </summary>
/// <param name="instance">CLAPI Instance for the current thread</param>
/// <param name="folderName">Folder name where the kernels are located</param>
/// <param name="genDataVectorType">The DataVectorTypes used to compile the FL Database</param>
public KernelDatabase(CLAPI instance, string folderName, TypeEnums.DataVectorTypes genDataVectorType) : base(
OpenCLDebugConfig.Settings)
{
GenDataType = KernelParameter.GetDataString(genDataVectorType);
if (!IOManager.DirectoryExists(folderName))
{
throw new OpenClException("Can not find directory: " + folderName);
}
this.folderName = folderName;
loadedPrograms = new List <CLProgram>();
loadedKernels = new Dictionary <string, CLKernel>();
Initialize(instance);
}