On Sun, 2019-06-02 at 07:17 -0400, James Harvey wrote: > On Sun, Jun 2, 2019 at 7:01 AM Bas Nieuwenhuizen > <b...@basnieuwenhuizen.nl> wrote: > > On Sun, Jun 2, 2019 at 12:41 PM James Harvey <jamespharve...@gmail.com> > > wrote: > > > So, for people running amdgpu and wanting to run ImageMagick convert > > > who get this error... Does this mean there is something ImageMagick > > > could change to prevent the error? Or, in the meantime, is the only > > > option to install the amdgpu-pro opencl userspace driver with > > > ImageMagick? (The pro opencl driver can be extracted from amdgpu-pro > > > as a whole, and ran on top of the free amdgpu driver., without the > > > rest of amdgpu-pro installed - see Arch Linux AUR package opencl-amd.) > > > > So, does imagemagick actually need OpenCL? If not, you can probably > > also uninstall you mesa opencl distro package? > > The mesa opencl package works fine on other programs for me and > others, so uninstalling isn't an option. Not sure actually without > any OpenCL if it does it a different way or not. ImageMagick must be > all that's trying to call something problematic.
It's basically any function call that was not inlined. It might even be in a different kernel in the same module. Recent mesa requires some kind of ICD loader to provide opencl. if your distro uses ocl-icd package to provide ICD loader, you can use OCL_ICD_VENDORS env var to select ICD drivers. something like 'OCD_ICD_VENDORS=/var/empty' (any directory other than /etc/OpenCL/vendors will do) effectively disables OpenCL by reporting 0 available platforms. Jan -- Jan Vesely <jan.ves...@rutgers.edu>
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