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checking 3D acceleration of graphics

Posted 05-31-2011 at 09:45 AM by neonsignal
Updated 05-31-2011 at 09:47 AM by neonsignal

To check whether 3D acceleration is supported by the current graphics drivers, use glxinfo:
apt-get install mesa-utils
Where acceleration is working, the 'direct rendering' parameter will have the value 'Yes', followed by details about which features are supported.
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  1. Old Comment
    That's not always the case:

    $ glxinfo | grep direct
    direct rendering: Yes
    $ glxgears
    1733 frames in 5.0 seconds = 346.452 FPS
    1733 frames in 5.0 seconds = 346.516 FPS
    1733 frames in 5.0 seconds = 346.525 FPS
    $ glxinfo | grep render
    direct rendering: Yes
    OpenGL renderer string: Software Rasterizer
    GL_NV_conditional_render, GL_NV_depth_clamp, GL_NV_fragment_program,

    ~350 fps is entirely too slow for this to be true hardware acceleration, especially for an ATI HD 3450.
    Posted 05-31-2011 at 05:26 PM by rocket357 rocket357 is offline
  2. Old Comment
    Good point. One has to check whether the 3D rendering is being done by software or hardware.
    Posted 05-31-2011 at 06:55 PM by neonsignal neonsignal is offline


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