![]() Run the following command: $ glxinfo | grep rendering ![]() To determine whether 3D acceleration is working, use the glxinfo tool. Many times you just need to install the firmware-linux-nonfree package from the non-free repositories, in order to active the driver. ![]() If you want to use the GPU look at the GraphicsCard page. If in the OpenGL renderer string: you see llvmpipe, that means your system doesn't use the GPU but the CPU instead to render the computer graphics. OpenGL core profile shading language version string: 3.30 # The GLSL version fully supported OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.3.2 # The OpenGL version fully supported, here 3.3 thanks to Mesa 10.3.2. OpenGL renderer string: Mesa DRI Intel(R) Haswell Desktop # The type of the chip OpenGL vendor string: Intel Open Source Technology Center # The manufacturer First, you will need the Mesa utilities: # apt-get install mesa-utilsĪmong the mesa tools, glxinfo will help you to know more about the chip that your computer uses.
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