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Render texture support

Discussion in 'Editor & General Support' started by mkolb, Feb 18, 2008.

  1. mkolb


    Dec 17, 2007
    Hi all,

    Is there a resource on the net where I can see certain chipset features, for example if the Geforce 2 MX chipset (NV11) supports render textures?
    I read about the ARB extension list, but is it used in Unity?

  2. Aras


    Unity Technologies

    Nov 7, 2005
    When using OpenGL, Unity definitely uses OpenGL extensions (and core functionality), so support for some feature is determined by OpenGL version number and/or the extension being present (the exception being broken drivers, that advertise wrong OpenGL version, or say that they support some extension when in fact they don't).

    On Direct3D, the underlying card capabilities are the same (in most cases they are better supported, i.e. something works in D3D that does not properly work in OpenGL). DirectX SDK has a spreadsheet of some card capabilities.

    Other than that, I don't know. Beyond3d site has an extensive GPU database that is a bit cumbersome to use.

    As for render textures, almost all DX7 level cards support them (all GeForces, all Radeons, Intel Extreme and up, ...). I think even some DX6 level cards support them (Riva TNT, Rage 128, ...), but don't count on my word here.