[Mesa-dev] [PATCH 02/16] ac: enable both RBs on Kaveri

[Michel Dänzer]

On 2018-05-02 09:11 PM, Marek Olšák wrote:
> If you are shader-bound, you won't see any difference. In order to become
> RB-bound, you need more work in RBs than shaders. Blending or MSAA might
> help add that.

Indeed,

 vblank_mode=0 glxgears -samples 8

shows a significant difference in performance with amdgpu.


Unfortunately, the patch breaks MSAA with radeon, showing flickering of
incorrectly rendered tiles. So I'm afraid as-is this can still only be
done with amdgpu.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer