/// <summary>
/// Set the callbacks to call before and after the given OpenXR function is called within the Mock Runtime
///
/// Note that since some OpenXR functions are called from within the graphics thread that care should
/// be taken to maintain thread safety from within the callbacks.
///
/// Note that function callbacks can be set prior to the MockRuntime being initialized but will be
/// reset when the mock runtime is shutdown.
/// </summary>
/// <param name="function">OpenXR function name</param>
/// <param name="beforeCallback">Callback to call before the OpenXR function is called (null to clear)</param>
/// <param name="afterCallback">Callback to call after the OpenXR function is called (null to clear)</param>
public static void SetFunctionCallback(string function, BeforeFunctionDelegate beforeCallback, AfterFunctionDelegate afterCallback)
{
if (beforeCallback != null)
{
if (null == s_BeforeFunctionCallbacks)
{
s_BeforeFunctionCallbacks = new Dictionary <string, BeforeFunctionDelegate>();
}
s_BeforeFunctionCallbacks[function] = beforeCallback;
}
else if (s_BeforeFunctionCallbacks != null)
{
s_BeforeFunctionCallbacks.Remove(function);
if (s_BeforeFunctionCallbacks.Count == 0)
{
s_BeforeFunctionCallbacks = null;
}
}
if (afterCallback != null)
{
if (null == s_AfterFunctionCallbacks)
{
s_AfterFunctionCallbacks = new Dictionary <string, AfterFunctionDelegate>();
}
s_AfterFunctionCallbacks[function] = afterCallback;
}
else if (s_AfterFunctionCallbacks != null)
{
s_AfterFunctionCallbacks.Remove(function);
if (s_AfterFunctionCallbacks.Count == 0)
{
s_AfterFunctionCallbacks = null;
}
}
MockRuntime_RegisterFunctionCallbacks(
s_BeforeFunctionCallbacks != null ? BeforeFunctionCallback : (BeforeFunctionDelegate)null,
s_AfterFunctionCallbacks != null ? AfterFunctionCallback : (AfterFunctionDelegate)null);
}
private static extern void MockRuntime_RegisterFunctionCallbacks(BeforeFunctionDelegate hookBefore, AfterFunctionDelegate hookAfter);
/// <summary> /// Set a callback to call before the given OpenXR function is called within the Mock Runtime /// </summary> /// <param name="function">OpenXR function name</param> /// <param name="afterCallback">Callback to call after the OpenXR function is called (null to clear)</param> public static void SetFunctionCallback(string function, AfterFunctionDelegate afterCallback) => SetFunctionCallback(function, GetBeforeFunctionCallback(function), afterCallback);
