Hey all, So I've started adding semaphore support to radv but I'm not really sure what the API to the semaphore code is. the Vulkan API is you get a command submission of a number of submit units which have a 0-n wait semaphore, 0-n command buffers and 0-n signal semaphores. Now I'm not sure how I should use the APIs with those. My first attempt is call amdgpu_cs_wait_semaphore on all the wait ones, call the cs submit API, then call the amdgpu_cs_signal_semaphore on all the signal ones? or should I be up front calling wait/signal then submitting the command streams? Also upcoming work requires possibly sharing semaphores between processes, is there any indication how this might be made work with the libdrm_amdgpu semaphore implementation? Thanks, Dave.
