private void Initialize()
{
if (!_engine.IsDisposed)
{
// Use the engine's default viewport if selected
Viewport = (Size == Size.Empty) ? _engine.RenderViewport : new Viewport {
Width = Size.Width, Height = Size.Height, MaxZ = 1
};
// Dispose the _rtsHelper if it already exists but the size has changed
new Size(Viewport.Width, Viewport.Height).To(ref _rtsHelperSize, delegate
{
if (_rtsHelper != null)
{
_rtsHelper.Dispose();
_rtsHelper = null;
}
});
// Reset the _rtsHelper if it already exists and is still valid
_rtsHelper?.OnResetDevice();
// Create the target texture and surface
Texture = new Texture(_engine.Device, Viewport.Width, Viewport.Height, 1,
Usage.RenderTarget, _engine.PresentParams.BackBufferFormat, Pool.Default);
Surface = Texture.GetSurfaceLevel(0);
}
}