Dota 2 lagging in Steam when running on MacBook Pro

I installed Ubuntu on my Macbook Pro recently. But DOTA 2 is very much laggy in Ubuntu 16.04. It runs crispy in OSX. I tried updating machine and all, but no use.

The graphics card shows Intel Haswell Mobile in Ubuntu and Intel Iris Pro 1536 MB in OSX. Is it a graphics related problem? How can this be fixed.

Note: I have seen Dota 2 running fine on Ubuntu with laptops of very ordinary specs.

Some more information as per comments:

1. The output of lspci | grep VGA is

   00:02.0 VGA compatible controller: Intel Corporation Crystal Well Integrated Graphics Controller (rev 08)

2. It plays 60 fps 4k videos perfectly fine.

4

1 Answer

I had this problem, and I managed to solve it on Arch linux. The problem was that OpenCL drivers were not installed. I guess the basic steps are same, so here they are:

1. Run $ neofetch command to check what Graphics card you are using. //Mine was Intel Crystal well.
2. Go to intel site and find what is the microarchitectre of your chip. For e.g. mine was Haswell as seen on . My processor is also listed i7-4770HQ.
3. Install the relevant driver, as from this page - . Mine wasintel-opencl. Restart your computer.
4. Run $ clinfo . You should see a platform registered. OpenCL is enabled now.

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