public void Begin(Rectangle viewport)
{
_rt2d = new RenderTarget2D(_device, viewport.Width, viewport.Height, false, SurfaceFormat.Color, DepthFormat.None, 0, RenderTargetUsage.PreserveContents);
var binding = _device.GetRenderTargets();
_device.SetRenderTarget(_rt2d);
this._viewport = viewport;
this._oldBuffer = binding;
this._sb = new SpriteBatch(_device);
this._eff = new PngEffect(_device);
}
public void Begin(Rectangle viewport, Point?targetSize = null)
{
this._targetSize = targetSize ?? viewport.Size;
_rt2d = new RenderTarget2D(_device, _targetSize.X, _targetSize.Y, false, SurfaceFormat.Bgra32, DepthFormat.None, 0, RenderTargetUsage.PreserveContents);
var binding = _device.GetRenderTargets();
_device.SetRenderTarget(_rt2d);
this._viewport = viewport;
this._oldBuffer = binding;
this._sb = new SpriteBatch(_device);
this._eff = new PngEffect(_device);
}
