private static String GetKernelInfoString(CLKernel openclKernel, CLKernelInfo kernelInfo, Int32 kernelInfoBufferSize)
{
byte[] buffer = GetKernelInfoBuffer(openclKernel, kernelInfo, kernelInfoBufferSize);
Int32 count = Array.IndexOf <Byte>(buffer, 0, 0);
return(System.Text.ASCIIEncoding.ASCII.GetString(buffer, 0, count < 0 ? buffer.Length : count));
}
private static T GetKernelInfo <T>(CLKernel openclKernel, CLKernelInfo kernelInfo)
{
Byte[] buffer = GetKernelInfoBuffer(openclKernel, kernelInfo, Marshal.SizeOf(typeof(T)));
GCHandle bufferHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
return((T)Marshal.PtrToStructure(bufferHandle.AddrOfPinnedObject(), typeof(T)));
}
finally
{
bufferHandle.Free();
}
}
private static Byte[] GetKernelInfoBuffer(CLKernel openclKernel, CLKernelInfo kernelInfo, Int32 kernelInfoBufferSize)
{
SizeT bufferSize = SizeT.Zero;
Byte[] buffer = new Byte[kernelInfoBufferSize];
GCHandle bufferHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
IntPtr bufferPtr = bufferHandle.AddrOfPinnedObject();
try
{
OpenCLError.Validate(OpenCLDriver.clGetKernelInfo(openclKernel, kernelInfo, new SizeT(buffer.Length), bufferPtr, ref bufferSize));
}
finally
{
bufferHandle.Free();
}
Array.Resize(ref buffer, (int)bufferSize);
return(buffer);
}
public static extern CLError clGetKernelInfo(
CLKernel kernel,
CLKernelInfo param_name,
SizeT param_value_size,
IntPtr param_value,
ref SizeT param_value_size_ret);
internal static extern CLError clGetKernelInfo(CLKernel kernel, CLKernelInfo param_name, SizeT param_value_size, IntPtr param_value, ref SizeT param_value_size_ret);