private async Task DisableRenderer()
{
if (_loaded)
{
await EnableRenderer();
return;
}
if (_imageEx == null)
{
return;
}
try {
DisposeHelper.Dispose(ref _renderer);
CompositionTargetEx.Rendering -= OnRendering;
Scene.Source = null;
_imageEx.Lock();
_imageEx.SetBackBufferEx(D3DResourceTypeEx.ID3D11Texture2D, IntPtr.Zero);
_imageEx.Unlock();
_imageEx = null;
} catch (Exception e) {
MessageBox.Show(e.ToString());
}
}
private async void DisableRenderer()
{
if (_imageEx == null || VisibilityAnimation.GetVisible(Scene) == false)
{
return;
}
try {
VisibilityAnimation.SetVisible(Scene, false);
await Task.Delay(500);
if (Model.Renderer != null)
{
Model.Renderer.Dispose();
Model.Renderer = null;
}
CompositionTarget.Rendering -= OnRendering;
Scene.Source = null;
_imageEx.Lock();
_imageEx.SetBackBufferEx(D3DResourceTypeEx.ID3D11Texture2D, IntPtr.Zero);
_imageEx.Unlock();
_imageEx = null;
} catch (Exception e) {
MessageBox.Show(e.ToString());
}
}
private void VideoSink_OnBeginDraw(Element sink, GLib.SignalArgs args)
{
Dispatcher.Invoke(() => _d3DImageEx.Lock());
var renderTarget = _D3D11Scene.GetRenderTarget();
_ = sink.Emit("draw", renderTarget, (UInt32)2, (UInt64)0, (UInt64)0);
Dispatcher.Invoke(() =>
{
InvalidateD3DImage();
_d3DImageEx.Unlock();
});
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
if (_enableOverlay)
{
_d3DImageEx = new D3DImageEx();
_D3D11Scene = new D3D11TestScene(1920, 1080);
d3dScene.Source = _d3DImageEx;
/* Set the backbuffer, which is a ID3D11Texture2D pointer */
var renderTarget = _D3D11Scene.GetRenderTarget();
var backBuffer = _d3DImageEx.CreateBackBuffer(D3DResourceTypeEx.ID3D11Texture2D, renderTarget);
_d3DImageEx.Lock();
_d3DImageEx.SetBackBuffer(D3DResourceType.IDirect3DSurface9, backBuffer, _enableSoftwareFallback);
_d3DImageEx.Unlock();
_playback = new Playback(IntPtr.Zero, _enableOverlay);
_playback.OnDrawSignalReceived += VideoSink_OnBeginDraw;
CompositionTarget.Rendering += CompositionTarget_Rendering;
}
else
{
var windowHandle = new WindowInteropHelper(System.Windows.Application.Current.MainWindow).Handle;
_playback = new Playback(windowHandle, _enableOverlay);
}
}
/// <summary>
/// Invalidates entire D3DImage area
/// </summary>
private void InvalidateD3DImage()
{
m_d3DImageEx.Lock();
m_d3DImageEx.AddDirtyRect(new Int32Rect()
{
X = 0,
Y = 0,
Height = m_d3DImageEx.PixelHeight,
Width = m_d3DImageEx.PixelWidth
});
m_d3DImageEx.Unlock();
}
/// <summary>
/// Invalidates entire D3DImage area
/// </summary>
private void InvalidateD3DImage()
{
d3dImage.Lock();
d3dImage.AddDirtyRect(new Int32Rect()
{
X = 0,
Y = 0,
Height = d3dImage.PixelHeight,
Width = d3dImage.PixelWidth
});
d3dImage.Unlock();
}
