Function ul_next_sys::ulSurfaceGetUserData
source ยท pub unsafe extern "C" fn ulSurfaceGetUserData(
surface: ULSurface,
) -> *mut c_void
Expand description
Get the underlying user data pointer (this is only valid if you have set a custom surface implementation via ulPlatformSetSurfaceDefinition).
This will return nullptr if this surface is the default ULBitmapSurface.