/// <summary>
/// Present the back buffer of the swap chain.
/// </summary>
public virtual void Present()
{
// The application may optionally specify "dirty" or "scroll" rects to improve efficiency
// in certain scenarios. In this sample we do not utilize those features.
var parameters = new SharpDX.DXGI.PresentParameters();
try
{
// If enabled the first argument instructs DXGI to block until VSync,
// putting the application to sleep until the next VSync.
// This ensures we don't waste any CPU/GPU cycles rendering frames that will never
// be displayed to the screen.
_swapChain.Present((VSync ? 1 : 0), SharpDX.DXGI.PresentFlags.None, parameters);
}
catch (SharpDX.SharpDXException ex)
{
// If the device was removed either by a disconnect or a driver upgrade, we
// must completely reinitialize the renderer.
if (ex.ResultCode == SharpDX.DXGI.ResultCode.DeviceRemoved ||
ex.ResultCode == SharpDX.DXGI.ResultCode.DeviceReset)
{
DeviceManager.Initialize(DeviceManager.Dpi);
}
else
{
throw;
}
}
}
/// <summary>
/// Initialize the attached DeviceManager and trigger an initial
/// OnSizeChanged event.
/// </summary>
public virtual void Initialize()
{
// Initialize the device manager
DeviceManager.Initialize();
// We trigger an initial size change to ensure all
// render buffers and size dependent resources have the
// correct dimensions.
SizeChanged();
}
