How can I enable OpenCL on RUBIK Pi when the Ubuntu image lacks libOpenCL.so?

Canonical Ubuntu Ubuntu OS issues
1

Hello. I am trying to use OpenCL to run inference on the Adreno GPU. I was able to use OpenCL successfully on the RUBIK Pi when running the Debian 13 image and Android image.

However, when I switched to the Ubuntu image, I noticed that there is no libOpenCL.so or any related shared objects under /usr/lib. I tried copying the shared objects from the Debian image, but they fail to load. I also tried installing OpenCL packages with ICD support, but OpenCL still does not work on Ubuntu.

Below is the error log I received when using the shared object from the Debian 13 image.

INFO: Created TensorFlow Lite delegate for GPU.
INFO: Loaded OpenCL library with dlopen.
ERROR: clGetPlatformIDs returned -1001
ERROR: Falling back to OpenGL
INFO: Initialized OpenGL-based API.
INFO: Created 1 GPU delegate kernels.

Is there any way to enable OpenCL on the RUBIK Pi when using the Ubuntu image?

2

if you use server edition, GPU driver adreno is installed.
so you can check the lib list:

dpkg -L qcom-adreno1
3

I am using the desktop edition; sorry for not mentioning it earlier. Since the desktop edition uses freedreno, do I need to install an ICD to use OpenCL?

5

For desktop edition, you can try to install qcom-adreno-cl1:

apt install qcom-adreno-cl1

I have not used this, but it deserves a try.

6

@rosh Thank you for the suggestion. I’ll give it a try and let you know.