rendered paste body--> beryl --test-only [output] <--
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* Beryl system compatibility check *
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Detected xserver : AIGLX
Checking Display :0 ...
Checking for XComposite extension : passed (v0.3)
Checking for XDamage extension : passed
Checking for RandR extension : passed
Checking for XSync extension : passed
Checking Screen 0 ...
libGL warning: 3D driver claims to not support visual 0x4b
Root visual is not a double buffered GL visual