• Emil Velikov's avatar
    vfb: add DRI3/glamor support · b2a0d606
    Emil Velikov authored
    This commit adds DRI3/glamor support, effectively translating into
    hardware GPU support.
    
    Theoretically it should be possible to use DRM/GPU drivers such as
    virtio or vgem, although only the intel i915 driver is currently tested.
    
    Since Xvfb does no modeset, it opens the render node. Currently that is
    fixed to "/dev/dri/renderD128" and will be tweaked with future commits.
    
    Specific use-cases are left for the reader - testing glamor, GL driver
    or others.
    
    v2: Drop GLAMOR_NO_XV, use GLAMOR_FOR_XORG instead (Michel Dänzer)
    v3: Fix build w/o glamor
    v4:
     - Split out glamor dependency patch for meson (Pekka)
     - Enhance commit message (Pekka)
     - Use O_CLOEXEC with open() (Pekka)
     - Enhance error path, memory leak comments (Pekka)
    Signed-off-by: default avatarEmil Velikov <emil.velikov@collabora.com>
    b2a0d606
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