Pixelpipe types, opencl_device_priority and culling mode

I have 2 GPUs in my system, a fast one and a slow one (AMD APU). I understand how to configure the opencl_device_priority to avoid using the slow GPU for big workloads.

However, I wonder which of the 5 pixelpipe types is used by the culling mode in the lighttable. Can anyone clarify which one it is?

run dt with -d pipe and watch what happens :slight_smile: