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Editorial Team
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Asked: 2026-05-27T18:42:25+00:00

Suppose you have a third party program on your desktop that uses OpenGL (the

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Suppose you have a third party program on your desktop that uses OpenGL (the fixed pipeline version, <2.0), for example, Street View in Google Maps. Is there a way to find out more about what that app is actually rendering in OpenGL? In particular, I’m interested in the vertices that are used for drawing — how many are there, and where they are.

I could imagine something existing like a hacked/modified OpenGL driver or similar that could show you the actual vertices overlaid as dots on the display, but can’t find any such thing.

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  1. Editorial Team

    gDEBugger can do that for standalone OpenGL applications.

    For the record:

    There is also WebGL inspector for WebGL.

    There is also a variety of OpenGL ES tools for mobile platforms if that is of use, but typically these do not record enough information to completely reconstruct a scene for debugging.

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