/// <summary>This is basically `xrGetInstanceProcAddr` from OpenXR,
/// you can use this to get and call functions from an extension
/// you've loaded. This uses `Marshal.GetDelegateForFunctionPointer`
/// to turn the result into a delegate that you can call.</summary>
/// <param name="functionName"></param>
/// <returns>A delegate, or null on failure.</returns>
public static TDelegate GetFunction <TDelegate>(string functionName)
{
IntPtr fn = NativeAPI.backend_openxr_get_function(functionName);
if (fn == null)
{
return(default);
/// <summary>This is basically `xrGetInstanceProcAddr` from OpenXR, /// you can use this to get and call functions from an extension /// you've loaded. You can use `Marshal.GetDelegateForFunctionPointer` /// to turn the result into a delegate that you can call.</summary> /// <param name="functionName"></param> /// <returns>A function pointer, or null on failure. You can use /// `Marshal.GetDelegateForFunctionPointer` to turn this into a /// delegate that you can call.</returns> public static IntPtr GetFunctionPtr(string functionName) => NativeAPI.backend_openxr_get_function(functionName);
