The Raven Ridge APU is very capable processor to handle OpenCL inside some applications like Blender, Darktable and Gimp. Unfortunately, the current implementation from Mesa, clover, stuck to 1.3, is not supported. AMD released their driver 18.40 with OpenCL2.0+ targeting only Red Hat Enterprise Linux/Cent OS 6.10 and 7.5 in addition of Ubuntu LTS. The good new is the former rpm format can be used on Fedora.
The graphical part of Raven Ridge is Vega 8, basically a cut-down of Vega56 or Vega64 meaning choosing either driver for RX Vega. The instruction is provided for extracting the rpm files but here is
some requirements for OpenCL: kernel-devel (provided by Fedora repository)amdgpu-dkmsdkmslibopencl-amdgpu-proopencl-amdgpu-pro-icd
Once done, applications needing OpenCL will automatically detect the driver located on /opt/amdgpu/lib64. Blender will list as unknown AMD GPU and Darktable will enable it.
There is a ROCm version but it currently does not support the graphical side of Rav…
Extracting the tarball contains the following: amdgpu-installamdgpu-pro-install symlink to amdgpudoc folderrepodata folderRPMS folder containing rpm package
Executing the command ./amdgpu-install -opencl=pal --headless sadly failed on Fedora on that line:
./amdgpu-install -y --opencl=pal --headless Last metadata expiration check: 0:30:51 ago on Mon 19 Nov 2018 07:13:43 PM PST. No match for argument: amdgpu
Upon closer look, the script failed to created a temporary repository on /var/opt/amdgpu-pro-local probably explaining why amdgpu metapackage name failed to display. Someone should investigate and provide a fix. At least, we find out Fedora support is available but unofficial.
Due to its design, Gnome Software only allows one cli…
My very first online tutorial is
an adaption from Chris Design Drawing Hairs article using both Path and Path Editor tools which requires Inkscape 0.47 or newer. Start-up Inkscape application which
should open a new blank page and set the document into landscape.
Create a pathSelect the bezier tool or press either
Shift+F6 or B on the keyboard.
Draw a line to approximately 800px or
more. You can also use rectangle tool (R or F4 as shortcut key) as a
thin line illustrated in grey.While the line is selected, convert
into path from the menu Path -> Stroke to Path or press Ctrl+Alt+C
on the keyboard. For the rectangle, Path -> Object to Path or Ctrl+Shift+C. The result will show grey diamonds on each corner.
Create a patternOn the menu, Extensions -> Modify
Paths -> Add Nodes. Set the Max Segments Length to 5px. On the menu Extension -> Modify
Paths -> Jitter Nodes. Leave the default settings and apply
effects. You will have about thousands nodes
which can be reduced wi…