public void Dispose()
{
if (_disposed)
{
return;
}
_disposed = true;
_currentTiming = CurrentFrameTiming.OutOfFrameLoop;
Layers.AbortAllLayers();
TimingPoints.AbortAllEvents();
Lights.Release();
ContextAssociatedMemorySafety.EnsureCollect(OwnerScreen); // Must be called before the opengl context is deleted.
Disposed?.Invoke();
}
public void RenderFrame()
{
// ------------------------------------------------------------
// Out of frame loop
Debug.Assert(_currentTiming == CurrentFrameTiming.OutOfFrameLoop);
var isCloseRequested = _isCloseRequested;
var layers = Layers;
var frameTimingPoints = TimingPoints;
Mouse.InitFrame();
Keyboard.InitFrame();
// ------------------------------------------------------------
// First Frame initializing
if (_state == RenderingAreaLifeState.Activating)
{
_currentTiming = CurrentFrameTiming.FirstFrameInitializing;
try {
Initialized?.Invoke(OwnerScreen);
}
catch {
if (EngineSetting.UserCodeExceptionCatchMode == UserCodeExceptionCatchMode.Throw)
{
throw;
}
// Don't throw. (Ignore exceptions in user code)
}
finally {
_state = RenderingAreaLifeState.Alive;
}
}
// ------------------------------------------------------------
// Frame initializing
_currentTiming = CurrentFrameTiming.FrameInitializing;
if (isCloseRequested && _state == RenderingAreaLifeState.Alive)
{
_state = RenderingAreaLifeState.Terminating;
_runningTokenSource.Cancel();
layers.TerminateAllLayers(this,
onDead: static self =>
{
self._state = RenderingAreaLifeState.Dead;
});
}
layers.ApplyAdd();
frameTimingPoints.FrameInitializing.DoQueuedEvents();
// ------------------------------------------------------------
// Early update
_currentTiming = CurrentFrameTiming.EarlyUpdate;
frameTimingPoints.EarlyUpdate.DoQueuedEvents();
layers.EarlyUpdate();
// ------------------------------------------------------------
// Update
_currentTiming = CurrentFrameTiming.Update;
frameTimingPoints.Update.DoQueuedEvents();
layers.Update();
// ------------------------------------------------------------
// Late update
_currentTiming = CurrentFrameTiming.LateUpdate;
frameTimingPoints.LateUpdate.DoQueuedEvents();
layers.LateUpdate();
// ------------------------------------------------------------
// Before rendering
_currentTiming = CurrentFrameTiming.BeforeRendering;
FBO.Bind(FBO.Empty, FBO.Target.FrameBuffer);
ElffyGL.Clear(ClearMask.ColorBufferBit | ClearMask.DepthBufferBit);
frameTimingPoints.BeforeRendering.DoQueuedEvents();
// ------------------------------------------------------------
// Rendering
_currentTiming = CurrentFrameTiming.Rendering;
layers.Render();
// ------------------------------------------------------------
// After rendering
_currentTiming = CurrentFrameTiming.AfterRendering;
frameTimingPoints.AfterRendering.DoQueuedEvents();
// ------------------------------------------------------------
// Frame finalizing
_currentTiming = CurrentFrameTiming.FrameFinalizing;
layers.ApplyRemove();
// ------------------------------------------------------------
// End of frame (only internal accessible)
_currentTiming = CurrentFrameTiming.Internal_EndOfFrame;
frameTimingPoints.InternalEndOfFrame.DoQueuedEvents();
// ------------------------------------------------------------
// Out of frame loop
_currentTiming = CurrentFrameTiming.OutOfFrameLoop;
ContextAssociatedMemorySafety.CollectIfExist(OwnerScreen);
if (_state == RenderingAreaLifeState.Dead)
{
Dispose();
}
}
