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Mystery

OpenGL Screen freezes in Opengl

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Hi I just did a simple simulation in openGL which I will redraw and refresh the scene for every few timesteps. However, I have slight problem here. Everytime, while the simulation is running, if I switch to another application or by clicking outside the openGL main window, it will sort of freeze. I will only be able to access it only after the entire simulation is over. Can someone help? Thanks. Regards

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if OGL is anything like directx (i use opengl but dont have this problem as i use SDL, takes care of all windows crap for me), then when you lose focus and gain focus again you may have to recreate stuff

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