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OpenGL is a real-time graphics API, not an offline render system used by renderfarms. I have never heard of movies or special effects rendered in OpenGL. The first major renderer was Renderman, the only game in town for years, and it has nothing to do with OpenGL.

You are correct. However, many in-studio tools are written in OpenGL. These tools are used to model objects and layout lighting, scenes, etc. by artists. They are written in OpenGL, usually on Linux. (Source: I work with several people who formerly built these tools for well-known studios like DreamWorks and Sony.)

Of course, but that’s not what we are discussing. The context for my comment was regarding offline rendering and render farms.

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