private static SymbolMapping CreateSymbolMapping(string symbolKernelPath)
{
var symbolMapping = new SymbolMapping();
string[] lines = File.ReadAllLines(symbolKernelPath);
int symbolStart = ParseDown(lines, "#region", 0) + 1;
int symbolEnd = ParseDown(lines, "#endregion", symbolStart);
for (int i = symbolStart; i < symbolEnd; i++)
{
if (string.IsNullOrEmpty(lines[i]))
{
continue;
}
string cleanedLine = lines[i].Trim();
string[] lineSplit = cleanedLine.Split(' ');
string value = lineSplit[5].Substring(0, lineSplit[5].Length - 1);
symbolMapping.AddSymbol(lineSplit[3], value);
}
return(symbolMapping);
}
public static void GenerateKernels(string kernelDirectory)
{
string symbolPath = string.Format("{0}/SymbolKernel.cs", kernelDirectory);
if (!File.Exists(symbolPath))
{
throw new Exception("No symbol kernel detected!");
}
SymbolMapping symbolMapping = CreateSymbolMapping(symbolPath);
string[] kerenelFiles = Directory.GetFiles(kernelDirectory);
foreach (string kernelPath in kerenelFiles)
{
string kernelName = Path.GetFileNameWithoutExtension(kernelPath);
if (kernelName == "SymbolKernel")
{
continue;
}
KernelFile kernelFile = CreateKernel(kernelPath, symbolMapping);
KernelCache.Add(kernelName, kernelFile);
}
}
private static KernelFile CreateKernel(string codePath, SymbolMapping symbols)
{
string[] lines = File.ReadAllLines(codePath);
int kernelIndex = ParseDown(lines, "public void Run", 0);
string kernelHeader = lines[kernelIndex];
int parameterStart = kernelHeader.IndexOf('(');
int parameterEnd = kernelHeader.LastIndexOf(')');
string kernelParameters = kernelHeader.Substring(parameterStart, parameterEnd - parameterStart + 1);
kernelParameters = kernelParameters.Replace("int[]", "global int*");
kernelParameters = kernelParameters.Replace("float[]", "global float*");
string clCode = string.Empty;
if (IsFP64(kernelHeader))
{
clCode += "#pragma OPENCL EXTENSION cl_khr_fp64 : enable\n";
}
clCode += "kernel void Run " + kernelParameters + "\n";
int codeEnd = lines.Length;
for (int i = 0; i < 3; i++)
{
codeEnd = ParseUp(lines, "}", codeEnd - 1);
}
for (int i = kernelIndex + 1; i < codeEnd + 1; i++)
{
clCode += (lines[i].Trim() + "\n");
}
// Remove symbols
clCode = symbols.ReplaceSymbols(clCode);
return(new KernelFile {
Code = clCode
});
}
private static KernelFile CreateKernel(string codePath, SymbolMapping symbols)
{
string[] lines = File.ReadAllLines(codePath);
int kernelIndex = ParseDown(lines, "public void Run", 0);
string kernelHeader = lines[kernelIndex];
int parameterStart = kernelHeader.IndexOf('(');
int parameterEnd = kernelHeader.LastIndexOf(')');
string kernelParameters = kernelHeader.Substring(parameterStart, parameterEnd - parameterStart + 1);
kernelParameters = kernelParameters.Replace("int[]", "global int*");
kernelParameters = kernelParameters.Replace("float[]", "global float*");
string clCode = string.Empty;
if (IsFP64(kernelHeader))
{
clCode += "#pragma OPENCL EXTENSION cl_khr_fp64 : enable\n";
}
clCode += "kernel void Run " + kernelParameters + "\n";
int codeEnd = lines.Length;
for (int i=0; i < 3; i++)
{
codeEnd = ParseUp(lines, "}", codeEnd - 1);
}
for (int i=kernelIndex + 1; i < codeEnd + 1; i++)
{
clCode += (lines[i].Trim() + "\n");
}
// Remove symbols
clCode = symbols.ReplaceSymbols(clCode);
return new KernelFile { Code = clCode};
}
private static SymbolMapping CreateSymbolMapping(string symbolKernelPath)
{
var symbolMapping = new SymbolMapping();
string[] lines = File.ReadAllLines(symbolKernelPath);
int symbolStart = ParseDown(lines, "#region", 0) + 1;
int symbolEnd = ParseDown(lines, "#endregion", symbolStart);
for (int i=symbolStart; i < symbolEnd; i++)
{
if (string.IsNullOrEmpty(lines[i])) continue;
string cleanedLine = lines[i].Trim();
string[] lineSplit = cleanedLine.Split(' ');
string value = lineSplit[5].Substring(0, lineSplit[5].Length - 1);
symbolMapping.AddSymbol(lineSplit[3], value);
}
return symbolMapping;
}
