private void DisplayAsTexture(DirectXResource res)
{
if (res.Texture2D == null)
{
Core.LogWarning("DisplayAsTexture failed as Texture2D == null");
return;
}
res.GetDx().RunOnContext(ctx =>
{
ctx.CopyResource(res.Texture2D, _sharedResource);
ctx.Flush();
}, "CopyToUI");
if (_d3dimage.TryLock(TimeSpan.FromMilliseconds(1500)))
{
_d3dimage.AddDirtyRect(new Int32Rect(0, 0, res.Texture2D.Description.Width, res.Texture2D.Description.Height));
_d3dimage.Unlock();
}
else
{
Core.LogWarning("Failed to Lock DirectXPresenter/d3dimage");
}
if (Source != _d3dimage)
{
Core.LogInfo("Assigning new D3DImage");
Source = _d3dimage;
}
}
/// <summary>
/// Invalidates the entire Direct3D image, notifying WPF to redraw
/// </summary>
protected void InternalInvalidateVideoImage()
{
/* Ensure we run on the correct Dispatcher */
if (!D3DImage.Dispatcher.CheckAccess())
{
D3DImage.Dispatcher.BeginInvoke((Action)(() => InternalInvalidateVideoImage()));
return;
}
/* If there is a new Surface to set,
* this method will do the trick */
SetBackBufferInternal(m_pBackBuffer);
// may save a few AddDirtyRect calls when the rendering thread is too busy
// or RenderOnCompositionTargetRendering is set but the video is not playing
bool invalid = GetSetVideoImageInvalid(false);
if (!invalid)
{
return;
}
/* Only render the video image if possible, or if IsRenderingEnabled is true */
if (IsRenderingEnabled && m_pBackBuffer != IntPtr.Zero)
{
try
{
if (!D3DImage.TryLock(InvalidateVideoImageLockDuration))
{
return;
}
/* Invalidate the entire image */
D3DImage.AddDirtyRect(new Int32Rect(0, /* Left */
0, /* Top */
D3DImage.PixelWidth, /* Width */
D3DImage.PixelHeight /* Height */));
}
catch (Exception)
{ }
finally
{
D3DImage.Unlock();
}
}
/* Invalidate all of our cloned D3DRenderers */
InvalidateClonedVideoImages();
}
public bool LockImage()
{
return(_image.TryLock(_timeOutDuration));
}