Multi threading

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Dear experts,
I want to design a graphical editor using Irrlicht engine! My software is divided into two parts. One user interface and second is a window which Irrlicht uses to draw on it! I want to use separate threads to avoid from interfering of GUI in Irrlicht drawing loop! Now i need to know which kind of thread i should use for each one!(Worker and UI Threads). I have used MFC platform!

void Irrlicht_Main_Process()
{
   while(true)
   {
      //Draw anything here
   }
   return true;
}

Best regards

Posted 1-May-10 18:56pm

silversamand

Updated 2-May-10 0:34am

Moak

v4

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Michel Godfroid · Answer 1 · 2010-05-01T21:10:00

We'd need to know some more about the architecture of your project to give a really meaningful answer here. But on first examination, threading may not be such a good idea.
Since it seems clear that you want to do user interface stuff in both parts of your program, you should stick to the following general rules:

Do not access user interface objects from a thread different than the one in which the object was created.
If you want to communicate with a user interface object in another thread, do so through the normal message loop, so use send_message or post_message.

CPallini · Answer 2 · 2010-05-02T03:45:00

Solution 2

Before even staring multithreading programming with MFC, please read the Dr.Newcomer's articles about, for instance "Using User-Interface Threads" and "Using Worker Threads".
:)

Posted 2-May-10 3:45am

CPallini

Cedric Moonen · Answer 3 · 2010-05-02T21:16:00

Solution 3

Do you want to embed your Irrlicht scene into an MFC window ? If yes, I suggest that you render the Irrlicht scene by overriding the CWinApp::OnIdle[^] method of your application class.

Posted 2-May-10 21:16pm

Cedric Moonen