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How do OpenGL programs behave with multiple graphics cards on Windows 2000/XP?

April 26, 2017cards graphics OpenGL Programs Windows XP

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How do OpenGL programs behave with multiple graphics cards on Windows 2000/XP?

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• A: The operating system dispatches the OpenGL commands to all cards. This allows to move the window across cards, but incurs a small performance overhead.

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• A1: nVidia: The driver dispatches the OpenGL commands to all cards. This allows to move the window across cards, but incurs a small performance overhead. • A1: ATI: The driver dispatches the OpenGL commands to card the window was created on.