On Wed, Mar 18, 2026 at 12:40:56PM +0800, Chris Billington wrote:
> On OpenBSD 7.8-stable and 7.9-beta amd64, I notice that video hardware
> acceleration is not working in webkit2gtk-based browsers such as luakit,
> badwolf and epiphany.
> 
> Specifically, the DRM Primary Node /dev/dri/card0 and DRM render Device
> /dev/dri/renderD128 do not appear in the webkit://gpu info page like they do
> on a Linux machine I tested.
> 
> The HW Acceleration policy is listed on the info page as 'never' but
> overriding it to 'always' in Luakit settings, for example, does not change
> the result.
> 
> Sites with video content therefore fall back to software rendering.
> 
> Is this a known limitation of our DRM implementation, or is there a possible
> configuration issue in webkit2gtk on our platform?
> 
> EGL and VAAPI seem to be present and functional (vainfo, and a query of the
> available EGL extensions).
> 
> Are others seeing the same on other amd64 platforms?

It's probably due to our lack of dma-buf support.

-- 
Antoine