drm_to_vulkan_fmt 1977 libavutil/hwcontext_vulkan.c if (drm_to_vulkan_fmt(desc->layers[i].format) == VK_FORMAT_UNDEFINED) { drm_to_vulkan_fmt 2020 libavutil/hwcontext_vulkan.c .format = drm_to_vulkan_fmt(desc->layers[i].format),