In file included from ./libavutil/vulkan_functions.h:26,
                 from ./libavutil/vulkan.h:29,
                 from libavfilter/vulkan.h:22,
                 from libavfilter/vulkan_filter.h:26,
                 from libavfilter/vf_xfade_vulkan.c:21:
./libavutil/hwcontext_vulkan.h:25:10: fatal error: vulkan/vulkan.h: No such file or directory
 #include 
          ^~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [ffbuild/common.mak:81: libavfilter/vf_xfade_vulkan.o] Error 1
make: *** Waiting for unfinished jobs....