/// <summary>
/// Loads the given OpenCL kernel.
/// </summary>
/// <param name="accelerator">The associated accelerator.</param>
/// <param name="source">The OpenCL source code.</param>
/// <param name="version">The OpenCL C version.</param>
/// <param name="programPtr">The created program pointer.</param>
/// <param name="kernelPtr">The created kernel pointer.</param>
/// <param name="errorLog">The error log (if any).</param>
/// <returns>True, if the program and the kernel could be loaded successfully.</returns>
internal static CLError LoadKernel(
CLAccelerator accelerator,
string source,
CLCVersion version,
out IntPtr programPtr,
out IntPtr kernelPtr,
out string errorLog)
{
errorLog = null;
kernelPtr = IntPtr.Zero;
var programError = CLAPI.CreateProgram(
accelerator.ContextPtr,
source,
out programPtr);
if (programError != CLError.CL_SUCCESS)
{
return(programError);
}
// Specify the OpenCL C version.
string options = "-cl-std=" + version.ToString();
var buildError = CLAPI.BuildProgram(
programPtr,
accelerator.DeviceId,
options);
if (buildError != CLError.CL_SUCCESS)
{
CLException.ThrowIfFailed(
CLAPI.GetProgramBuildLog(
programPtr,
accelerator.DeviceId,
out errorLog));
CLException.ThrowIfFailed(
CLAPI.ReleaseProgram(programPtr));
programPtr = IntPtr.Zero;
return(buildError);
}
return(CLAPI.CreateKernel(
programPtr,
CLCompiledKernel.EntryName,
out kernelPtr));
}