How I could tell if graphics processing (3D, video encode/decude) in Ubuntu is utilizing hardware acceleration (ie. using GPU). Is there a utility that can help?
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This might help How to test 3d acceleration? – girardengo Apr 30 '14 at 05:46
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Try the following command if you're running Unity:
/usr/lib/nux/unity_support_test -p
It will tell you if you're using a Software renderer.
Sylvain Pineau
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you can use glxinfo to test if your X server is using the GPU driver. glxinfo queries X server about its OpenGL version, renderer string, Visuals supported and other infomation.
glxinfo | less
Avinash Raj
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sgx1
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1Even I had this doubt. So what am I supposed to look at in the output of this command? – ganezdragon Apr 30 '14 at 06:06
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OpenGL version, vendor string, renderer string. then you'll know if you're running open source drivers or proprietary drivers or software rasterizers. – sgx1 Apr 30 '14 at 06:18