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I'm using Linux Mint and I was trying to enable GPU rendering, but I still have only CPU option in user preferences...

  • Linux Mint 17.1 x64
  • Radeon HD 7850
  • Blender 2.75 rc2
  • amd-catalyst 15.5

solved by myself

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  • $\begingroup$ Maybe this is useful :) : anteru.net/2014/08/24/2500 $\endgroup$ – Faceb Faceb Jun 24 '15 at 18:11
  • $\begingroup$ thank you, but i seen that and it's not working for me, that's why i'm here $\endgroup$ – Dmitry Jun 24 '15 at 18:34
  • $\begingroup$ what have you tried to get it working? have you read the GPU guide blender.org/manual/render/cycles/gpu_rendering.html ? $\endgroup$ – wardrums Jun 25 '15 at 5:17
  • $\begingroup$ i was trying to set up environment variables ( CYCLES_OPENCL_SPLIT_KERNEL_TEST=1, and CYCLES_OPENCL_TEST=all ), running Blender as root, installing Blender from software center and repeat same. yes i read that before (GPU guide) $\endgroup$ – Dmitry Jun 25 '15 at 10:09
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I have found solution to my problem. To enable openCl on Linux Mint 17.1 with ATI radeon video card just install ocl-icd-libopencl1 package for 64 bit system, or ocl-icd-libopencl1:i386 for 32 bit system. No need to run Blender as root or set up environment variable.

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On Ubuntu open the Terminal and do:

 sudo apt-get install ocl-icd-opencl-dev

then:

CYCLES_OPENCL_SPLIT_KERNEL_TEST=1 blender
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