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C.4 Texture Image Formats

Stored texture arrays have a format, known as the internal format, rather than a simple count of components. The internal format is represented as a single enumerated value, indicating both the organization of the image data ( LUMINANCE , RGB , etc.) and the number of bits of storage for each image component. Clients can use the internal format specification to suggest the desired storage precision of texture images. New base formats, ALPHA and INTENSITY , provide new texture environment operations. These additions match those of a subset of the EXT_texture extension.

David Blythe
Sat Mar 29 02:23:21 PST 1997