private void CompositionTarget_Rendering(object sender, EventArgs e)
{
if (!initialized)
{
logger.Warn("CompositionTarget_Rendering(...) " + initialized);
return;
}
try
{
RenderingEventArgs args = (RenderingEventArgs)e;
//if (VideoSource.IsFrontBufferAvailable && lastRender != args.RenderingTime)//
if (lastRender != args.RenderingTime)
{ //VideoSource.IsFrontBufferAvailable - не работает через RDP
if (needRedraw)
{
var pSurface = d3dProvider.GetSurfacePointer();
if (pSurface != IntPtr.Zero)
{
VideoSource.Lock();
// Repeatedly calling SetBackBuffer with the same IntPtr is
// a no-op. There is no performance penalty.
VideoSource.SetBackBuffer(D3DResourceType.IDirect3DSurface9, pSurface, EnableSoftwareFallback);
var rect = new Int32Rect(0, 0, VideoSource.PixelWidth, VideoSource.PixelHeight);
VideoSource.AddDirtyRect(rect);
VideoSource.Unlock();
}
needRedraw = false;
}
else
{
// logger.Debug("needRedraw == false");
}
lastRender = args.RenderingTime;
}
else
{
logger.Debug("lastRender != args.RenderingTime");
}
}
catch (Exception ex)
{
logger.Error(ex);
Shutdown();
errorCode = ErrorCode.Unexpected;
}
}
public void Run(ID3DImageProvider provider)
{
logger.Debug("D3DImageRendererEx::Run(...)");
if (initialized)
{
logger.Warn("D3DImageRendererEx::Run(...) invalid state");
return;
}
try
{
d3dProvider = provider;
d3dProvider.NewDataAvailable += D3dProvider_NewDataAvailable;
VideoSource = new D3DImage();
var pSurface = d3dProvider.GetSurfacePointer();
if (pSurface != IntPtr.Zero)
{
VideoSource.Lock();
VideoSource.SetBackBuffer(D3DResourceType.IDirect3DSurface9, pSurface);
VideoSource.Unlock();
}
// VideoSource.IsFrontBufferAvailableChanged += VideoSource_IsFrontBufferAvailableChanged;
System.Windows.Media.CompositionTarget.Rendering += CompositionTarget_Rendering;
initialized = true;
}
catch (Exception ex)
{
logger.Error(ex);
Shutdown();
// throw;
}
}