OpenGL GLX Visual 0x64 with alpha buffer broken (CentOS7)

Discussion in 'Linux Virtual Machine' started by MaximilanE, Aug 6, 2018.

  1. MaximilanE

    MaximilanE Bit poster

    Messages:
    2
    Hi there,
    we are trying multiple VM solutions to potentially suggest them to our clients. With the most recent Parallels 13.3.2. and a fresh CentOS7 install we are experiencing problems with the OpenGL GLX Visual 0x64. 0x21 works just fine which is essentially the same as 64 with the absence of alpha buffer:

    visual x bf lv rg d st colorbuffer sr ax dp st accumbuffer ms cav
    id dep cl sp sz l ci b ro r g b a F gb bf th cl r g b a ns b eat
    ----------------------------------------------------------------------------
    0x021 24 tc 1 24 0 r y . 8 8 8 0 . . 0 24 8 16 16 16 16 0 0 None
    0x064 32 tc 1 32 0 r y . 8 8 8 8 . . 0 24 8 16 16 16 16 0 0 None

    Is there any known bug in the OpenGL driver regarding the alpha buffer?

    Thanks
     

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