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Thread: Max light's?

  1. #1
    Guest

    Max light's?

    what is the max number of lights that opengl can handle?

    or what is the best way to do this:
    i have unlimited house placed on terrain
    and when night comes to world, you can see house windows emit light and road lights too

  2. #2
    Junior Member Newbie
    Join Date
    Oct 2001
    Location
    Michigan
    Posts
    7

    Re: Max light's?

    The max hardware accelerated lights that OpenGL can supports is 8 (GL_LIGHT0-7).

    But, I would strongly suggest researching lightmapping and radiosity. Its a much faster alternative, and allows for as many lights as you want!
    -------------------------
    Trent (ShiningKnight)
    http://www.voxelsoft.com/sk

  3. #3
    Senior Member OpenGL Guru
    Join Date
    Feb 2000
    Location
    Sweden
    Posts
    2,978

    Re: Max light's?

    It has to support AT LEAST 8 lights, not MAX 8 lights. Any implementation can choose to support as many light as it feels like, as ling as it supports at least 8 lights.

    For implementations that suports more than 8 lights, lights are identified with GL_LIGHT0+n, where n is the light number.

    And the specs doesn't say anything about whether the light must be HW or SW, as long as they are supported, everything is fine.

    To get the number of supported lights, use glGetIntegerv along with GL_MAX_LIGHTS.

    [This message has been edited by Bob (edited 10-03-2001).]

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