OpenGL (Open Graphics Library)[3][4][5] is a cross-language, multi-platform application programming interface (API) for rendering 2D and 3D vector graphics. The API is typically used to interact with a graphics processing unit (GPU), to achieve hardware-accelerated rendering. SiliconGraphics Inc. (SGI) started developing OpenGL in 1991 and released it in January 1992;[6] applications use it extensively in the fields of CAD, Virtual Reality, scientific visualization, information visualization, flight simulation, and Computer Game-s. OpenGL is managed by the non-profit technology consortium Khronos Group.

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