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OpenGL rendering in background

To: ogl-sample@xxxxxxxxxxx
Subject: OpenGL rendering in background
From: comp@xxxxxxx
Date: Thu, 29 Jul 2004 10:57:11 +0200 (CEST)
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It is possible to use OpenGL without any window manager (e.g. not
attaching to a drawing context with wglsetcurrent/glxsetcurrent)?
We need background rendering without user interface. The generated images
are copied from the display buffer and postprocessed by our app.

How to do this? Which OpenGL settings needed to enable background rendering?

Best regards,
Peter Breuer

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