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Thread: Lighting

  1. #1
    Junior Member Newbie
    Join Date
    Mar 2004


    Why there is a limited number of availble light sources that can be used into scene, and is there any way to avoid this limitation?

  2. #2
    Super Moderator OpenGL Guru imported_dorbie's Avatar
    Join Date
    Jul 2000
    Bay Area, CA, USA

    Re: Lighting

    There are practical limits to what cost effective hardware can provide in a fixed function pipeline. In addition times have changed and the minimum requirements for lights were set at 8 a decade ago. So the limit is not absolute it is a minimum requirement for OpenGL conformance.

    glgetintegerv with a GL_MAX_LIGHTS token will tell you how many lights are supported, with a minimum of 8 guaranteed by OpenGL.

    This presentation and example code by Mark Kilgard shows how to squeeze more lights into a scene than the available OpenGL lights: lizedLights.html

    [This message has been edited by dorbie (edited 03-03-2004).]

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