private List <FunctionParameter> ParseOutParams(string function)
{
var outParams = new List <FunctionParameter>();
string functionHeader = SourceHelper.ExtractFunctionHeader(function);
string[] headerSplit = functionHeader.Split(',');
foreach (string variable in headerSplit)
{
string[] variableSplit = variable.Trim().Split(' ');
if (variableSplit.Length == 3 && variableSplit[0] == "out")
{
outParams.Add(new FunctionParameter
{
// Fix any parameter names that come at the end of the function
Name = variableSplit[2].Replace(")", string.Empty),
Type = variableSplit[1]
});
}
}
return(outParams);
}
private static KernelFile CreateKernel(string codePath, ConstantMapping constants, FunctionMapping functions)
{
string[] lines = File.ReadAllLines(codePath);
int kernelIndex = SourceHelper.ParseDown(lines, "public void Run", 0);
string kernelFunction = lines[kernelIndex];
string kernelParameters = SourceHelper.ExtractFunctionHeader(kernelFunction);
kernelParameters = kernelParameters.Replace("int[]", "global int*");
kernelParameters = kernelParameters.Replace("float[]", "global float*");
var clCode = new List <string>();
if (IsFP64(kernelFunction))
{
clCode.Add("#pragma OPENCL EXTENSION cl_khr_fp64 : enable");
}
clCode.Add("kernel void Run " + kernelParameters);
int codeEnd = lines.Length;
for (int i = 0; i < 3; i++)
{
codeEnd = SourceHelper.ParseUp(lines, "}", codeEnd - 1);
}
for (int i = kernelIndex + 1; i < codeEnd + 1; i++)
{
clCode.Add(lines[i].Trim());
}
// Replace constants and inline functions
functions.Inline(clCode);
constants.Replace(clCode);
return(new KernelFile {
Code = string.Join("\n", clCode)
});
}