public void SetKernelArgumentVal(int index, object value)
{
// Checks if the index is positive, if not, then an exception is thrown
if (index < 0)
{
throw new OpenClArgumentIndexOutOfRangeException(
$"The specified index {index} is invalid. The index of the argument must always be greater or equal to 0."
);
}
// The set kernel argument method needs a pointer to the pointer, therefore the pointer is pinned, so that the garbage collector can not move it in memory
GCHandle garbageCollectorHandle = GCHandle.Alloc(value, GCHandleType.Pinned);
try
{
// Sets the kernel argument and checks if it was successful, if not, then an exception is thrown
Result result = KernelsNativeApi.SetKernelArgument(
Handle,
(uint)index,
new UIntPtr((uint)Marshal.SizeOf(value)),
garbageCollectorHandle.AddrOfPinnedObject()
);
if (result != Result.Success)
{
throw new OpenClException($"The kernel argument with the index {index} could not be set.", result);
}
}
finally
{
garbageCollectorHandle.Free();
}
}
public void SetKernelArg(string kernelName, uint idx, MemoryAllocation mem)
{
GCHandle garbageCollectorHandle = GCHandle.Alloc(mem.buffer, GCHandleType.Pinned);
var errCode = KernelsNativeApi.SetKernelArgument(kernels[kernelName], idx, new UIntPtr((uint)Marshal.SizeOf(mem.buffer)), garbageCollectorHandle.AddrOfPinnedObject());
garbageCollectorHandle.Free();
ThrowOnError(errCode, String.Format("Failed to set arg #{0} for kernel {1}", idx, kernelName));
}