Using the existing OIDN_DEVICE_HIP, don't overwrite it if it was already set. Ref #115045 Pull Request: https://projects.blender.org/blender/blender/pulls/119672
Using the existing OIDN_DEVICE_HIP, don't overwrite it if it was already set. Ref #115045 Pull Request: https://projects.blender.org/blender/blender/pulls/119672