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Thread: how many texture unit that ES 1.0 MUST support?

  1. #1

    how many texture unit that ES 1.0 MUST support?

    hi all:
    i know that OGL ES 1.1 MUST support 2 texture unit, but how about OGL ES 1.0?

  2. #2
    Senior Member
    Join Date
    May 2006
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    2 as well. That's the minimum in OpenGL 1.3 which OpenGL ES 1.0 is based on.
    Georg Kolling, Imagination Technologies
    Please ask questions specific to PowerVR hardware or SDKs on the PowerVR Insider Forum
    DevTech@imgtec.com | http://www.powervrinsider.com

  3. #3
    Junior Member
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    Helsinki, Finland
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    Wrong. OpenGL ES 1.0 is required to support at least one texture unit (not two!). The minimum was increased to two in ES 1.1. Check out the spec.
    Ville Miettinen, NVIDIA

  4. #4
    Senior Member
    Join Date
    May 2006
    Posts
    353
    Yes, you're right. But it's really hard to find in the spec. The only place where it's mentioned is section 2.7 (Vertex Specification): "Multitexture texture coordinates are supported, though only a single texture unit needs to be supported."

    It's a shame the minima aren't listed in the state tables section.
    Georg Kolling, Imagination Technologies
    Please ask questions specific to PowerVR hardware or SDKs on the PowerVR Insider Forum
    DevTech@imgtec.com | http://www.powervrinsider.com

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