public override void OnRecreated()
{
base.OnRecreated();
// Recreate swap chain
swapChain = CreateSwapChain();
// Get newly created native texture
var backBufferTexture = swapChain.GetBackBuffer <SharpDX.Direct3D11.Texture2D>(0);
// Put it in our back buffer texture
// TODO: Update new size
backBuffer.InitializeFrom(backBufferTexture, Description.BackBufferFormat.IsSRgb());
backBuffer.LifetimeState = GraphicsResourceLifetimeState.Active;
}
public override void Present()
{
try
{
swapChain.Present((int)PresentInterval, PresentFlags.None);
#if SILICONSTUDIO_XENKO_GRAPHICS_API_DIRECT3D12
// Manually swap back buffer
backBuffer.NativeResource.Dispose();
backBuffer.InitializeFrom(swapChain.GetBackBuffer <BackBufferResourceType>((++bufferSwapIndex) % bufferCount), Description.BackBufferFormat.IsSRgb());
#endif
}
catch (SharpDXException sharpDxException)
{
throw new GraphicsException("Unexpected error on Present", sharpDxException, GraphicsDevice.GraphicsDeviceStatus);
}
}
/// <summary>
/// Creates a Texture from a DirectX11 native texture
/// This method internally will call AddReference on the dxTexture2D texture.
/// </summary>
/// <param name="device">The GraphicsDevice in use</param>
/// <param name="dxTexture2D">The DX11 texture</param>
/// <param name="takeOwnership">If false AddRef will be called on the texture, if true will not, effectively taking ownership</param>
/// <returns></returns>
private static Texture CreateTextureFromNativeImpl(GraphicsDevice device, Resource dxTexture2D, bool takeOwnership)
{
var tex = new Texture(device);
if (takeOwnership)
{
var unknown = dxTexture2D as IUnknown;
unknown.AddReference();
}
tex.InitializeFrom(dxTexture2D, false);
return(tex);
}
protected override void ResizeBackBuffer(int width, int height, PixelFormat format)
{
graphicsDevice.OnDestroyed();
startingPresentationParameters.BackBufferWidth = width;
startingPresentationParameters.BackBufferHeight = height;
graphicsDevice.InitDefaultRenderTarget(startingPresentationParameters);
var newTextureDescrition = backBuffer.Description;
newTextureDescrition.Width = width;
newTextureDescrition.Height = height;
// Manually update the texture
backBuffer.OnDestroyed();
// Put it in our back buffer texture
backBuffer.InitializeFrom(newTextureDescrition);
}