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ARB_texture_env_dot3 Extension
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ARB_texture_env_dot3
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The ARB_texture_env_dot3 extension enables computation
of a per-pixel dot product. Computing a dot product per-pixel
enables very fine-grained control of per-pixel lighting
or bump mapping (see the Bump
Mapping Tutorial). This is the ARB approved version
of EXT_texture_env_dot3.
For full details, consult the official ARB_texture_env_dot3
spec.
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