/// <summary>
/// Render a batch of RenderSettings
/// </summary>
public async Task <RenderBatchResponse> RenderBatch(RenderBatchRequest req)
{
if (Client == null)
{
throw new InvalidOperationException("Client not connected");
}
if (CurrentTask != null)
{
throw new InvalidOperationException("Already rendering");
}
RenderBatchResponse resp = null;
_taskCancelToken = new CancellationTokenSource();
try
{
CurrentTask = req.TaskID;
UpdateActivity("Render Loading..");
resp = await Client.Send <RenderBatchResponse>(req, _taskCancelToken.Token);
}
finally
{
UpdateActivity("");
CurrentTask = null;
_taskCancelToken = null;
}
return(resp);
}
/// <summary>
/// Async executes a batch of subtasks on node
/// </summary>
private async Task <SubTaskBatchResult> ExecuteSubTasksAsync(RenderNode node, Action <RenderSubTask, RenderBatchResult> onResult, params RenderSubTask[] tasks)
{
List <RenderRequest> reqs = tasks.Select(x => x.GetRenderRequest()).ToList();
List <RenderBatchResult> results = new List <RenderBatchResult>();
Action <RenderNode, RenderBatchResult> onAnyResult = (bnode, result) =>
{
RenderSubTask task = tasks.FirstOrDefault(x => x.ID == result.TaskID);
if (task != null)
{
lock (results)
results.Add(result);
onResult(task, result);
}
};
Stopwatch time = new Stopwatch();
time.Start();
try
{
node.OnBatchResult += onAnyResult;
RenderBatchRequest req = RenderSubTask.GetRenderBatchRequest(ID, tasks);
req.Settings.ForEach(x => x.RenderType = node.RenderType);
RenderBatchResponse resp = await node.RenderBatch(req);
if (resp == null)
{
return(new SubTaskBatchResult(new Exception("Render fail: (null)")));
}
if (resp.Success == false)
{
return(new SubTaskBatchResult(new Exception("Render fail: " + resp.Message)));
}
if (req.Settings.Count > 0)
{
decimal pixelsRendered = req.Settings.Sum(x => (x.Height * (x.Y2 - x.Y)) * (x.Width * (x.X2 - x.X)));
node.UpdatePerformance((int)pixelsRendered, (int)time.ElapsedMilliseconds);
}
}
finally
{
node.OnBatchResult -= onAnyResult;
time.Stop();
}
return(new SubTaskBatchResult(results.ToArray()));
}
