Aaron Myles Landwehr <a...@udel.edu> writes: > I figured out the issue. As I thought, it is a bug in the context creation > of pyopencl. Essentially properties that are passed to cl.Context() as > pointer types are handled incorrectly. The code takes the address of the > pointer type instead of getting the address it points to; ergo, the context > is invalid and causes segfaults when the underlying OpenCL runtime tries to > interpret it. > > > After the following modifications within cffi_cl.py, the example interop > code provided with pyopencl runs and displays the particle fountain: > > def _parse_context_properties(properties): > ... > from ctypes import _Pointer, addressof > from ctypes import cast # add this > > if isinstance(value, _Pointer): > #val = addressof(value) # remove this > val = cast(value, ctypes.c_void_p).value # add this > else: > val = int(value)
Thanks for investigating and finding a fix. Now in master: https://github.com/pyopencl/pyopencl/commit/21008183734b9d13ae2c40ea2e3bdec20ac70250 It'd be great if you could try that and let me know if it works. Andreas _______________________________________________ PyOpenCL mailing list PyOpenCL@tiker.net https://lists.tiker.net/listinfo/pyopencl
