API
Glide is based on the basic geometry and "world view" of OpenGL. OpenGL is a large graphics library with 336 calls in the API, many of which are of limited use. Glide was an effort to select primarily features that were useful for real-time rendering of 3D games. The result was an API that was small enough to be implemented entirely in late-1990s hardware. However, this focus led to various limitations in Glide, such as a 16-bit color depth limit in the display buffer.
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