• An API design pattern in computer graphics libraries in which client calls directly cause rendering of graphics objects to the display, or in which the data to describe rendering primitives is inserted frame by frame directly from the client into a command list, without the use of extensive indirection to retained resources (thus immediate). In immediate mode, the scene (a complete object model of the rendering primitives) is retained in the memory space of the client, instead of the graphics library. ← Wikipedia

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