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glutSetWindowStayOnTop -- Set stay on top mode for current window
OpenGLUT - experimental
enable Either GL_TRUE or GL_FALSE
Does not work on all window managers.
Sends the Icewm style message to all window managers (KDE, twm, blackbox, ratpoison, amiwm, and whatever others you have). Can we detect
Icewm reliably and only send the Icewm formatted message for Icewm? Possibbly harmless as it stands, but looks wrong.
Can a glutGet() be defined to tell us whether a window can be made to stay on top? Or whether a window has (successfully) been marked for
staying on top?
Should walk the tree of menus and glutPopWindow() (or all windows that are of menu-window type?).
Investigate making a workalike variant using glutPopWindow() to mimic the feature where not directly supported.
Check Out this Related Man Page
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glutSwapBuffers -- Swaps the buffers for the current window.
OpenGLUT - window
This function signals to OpenGLUT that you are done drawing to the current window for now. If your window is double-buffered ( GLUT_DOU-
BLE param to glutInitDisplayMode()), then OpenGLUT will swap the front buffer with the back buffer.
This also computes your current frame-rate and prints the result on stderr if indicated by the GLUT_FPS environment variable. The com-
puted value is not necessarily the total frame rate, if you have multiple windows, as the statistic is the total number of buffer-swaps for
the entire program.
This function has no effect if your window is GLUT_SINGLE .
Frame rate is only calculated for double-buffered windows.
How does this interact with overlays?
Consider making GLUT_FPS keep per-window stats in a multi-window program.
SEE ALSO glutPostRedisplay(3)glutPostOverlayRedisplay(3)glutPostWindowRedisplay(3)glutPostWindowOverlayRedisplay(3)glutInitDisplaymode(3)
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