void DisposeRenderTarget()
{
using (var l = _lock.TryLock())
{
if (l == null)
{
// We are still trying to render on the render thread, try again a bit later
DispatcherTimer.RunOnce(DisposeRenderTarget, TimeSpan.FromMilliseconds(50),
DispatcherPriority.Background);
return;
}
Layers.Clear();
RenderTarget?.Dispose();
RenderTarget = null;
}
}
private void Render(bool forceComposite)
{
using (var l = _lock.TryLock())
{
if (l == null)
{
return;
}
IDrawingContextImpl context = null;
try
{
try
{
IDrawingContextImpl GetContext()
{
if (context != null)
{
return(context);
}
if (RenderTarget == null)
{
RenderTarget = ((IRenderRoot)_root).CreateRenderTarget();
}
return(context = RenderTarget.CreateDrawingContext(this));
}
var(scene, updated) = UpdateRenderLayersAndConsumeSceneIfNeeded(GetContext);
using (scene)
{
var overlay = DrawDirtyRects || DrawFps;
if (DrawDirtyRects)
{
_dirtyRectsDisplay.Tick();
}
if (overlay)
{
RenderOverlay(scene.Item, GetContext());
}
if (updated || forceComposite || overlay)
{
RenderComposite(scene.Item, GetContext());
}
}
}
finally
{
context?.Dispose();
}
}
catch (RenderTargetCorruptedException ex)
{
Logging.Logger.Information("Renderer", this, "Render target was corrupted. Exception: {0}", ex);
RenderTarget?.Dispose();
RenderTarget = null;
}
}
}
private void Render(bool forceComposite)
{
using (var l = _lock.TryLock())
if (l != null)
{
using (var scene = _scene?.Clone())
{
Render(scene?.Item, forceComposite);
}
}
}