hi, I can not apply shaders for emulation dolphin, vulkan or gl no result …
GLSL shaders should definitely work AFAIK. Do they work for you with other cores?
oh good 
but I do not understand why I can not save the configuration of the core for dolphin. I see the configuration file in retroar / config, but the dolphin folder is not created …
Edit>>>
ok, that’s fine, I just erased the Dolphin directory in config and left the file dolphin_lebretro.cfg where it was