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OpenGL OPENGL from X Window ID

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Through the api I am using I get handed a X Window ID

I am having the hardest time trying to make opengl work for that window.

here is what i am doing but I dont think its right can someone help.

int i = 0;
glutInit(&i, NULL);

glutSetWindow( (XID)instanceData->window.window );

// register the display callback
// register the reshape callback
// register the idle callback
// register the keyboard callback
// call our initialization
// forever sink into an internal GLUT loop

That crashes at the set window part.

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GlutSetWindow does not take an X11 window handle. It takes a GLUT window handle returned from GlutCreateWindow.

The reason for this is that SetWindow needs access to the GL context attached to the X11 window which it gets via the GLUT handle, not just the actual renderable window.

(I know they're both integers, but they're not fungible.)

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