by L. Spiro » Sat Aug 15, 2009 7:45 am
At the end of the game loop it will present the screen every frame. The function for doing this varies per graphics API (IDirect3DDevice9::Present() or ::SwapBuffers()).
When printing a screen, there will most likely be a flag that it checks immediately after presenting the backbuffer.
If the flag is set, it will copy the backbuffer from this point and send it over the network.
L. Spiro
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