overview of OpenGL
mixing of OpenGL and Xlib
mixing of OpenGL and Xlib
The OpenGL implementation conforms to the specification definition for mixing of Xlib and OpenGL rendering to the same drawable. The following points should be considered when mixing Xlib and OpenGL:
•OpenGL and Xlib renderers are implemented through separate pipelines and control streams, thus, rendering synchronization must be performed as necessary by the user’s application via the GLX glXWaitX() and glXWaitGL() function calls.
•Xlib rendering does not affect the
Note that mixing Xlib rendering with OpenGL rendering as well as with VMD, when using alpha buffers, can produce unexpected side effects and should be avoided.
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