Oh, facepalm. I didn’t even think to look at the numeric value. Sorry for the
confusion.
From: Simon Ser
Sent: Saturday, August 6, 2022 3:10:53 PM
To: Hoosier, Matt
Cc: Pekka Paalanen; dri-de...@lists.freedesktop.org;
wayland-devel@lists.freedesktop.org
Subject:
afaict there’s a for loop that iterates over all the layouts, and within that
it iterates over all the shift levels, and within that it iterates over all the
modifier masks? Is that what’s going on? So basically it’s iterating over them
until it finds a match?
In that printf on line 220, would
On Saturday, August 6th, 2022 at 21:56, Hoosier, Matt
wrote:
> Any idea what’s up with some compositors adding code to infer
> DRM_FORMAT_MOD_LINEAR semantics when the buffer’s modifiers are set
> to 0?
What does that mean? A buffer only has a single modifier, and LINEAR == 0.
> Wlroots, for e
Hi Pekka,
Thanks. If I paraphrase, I think you’re telling me that gbm_bo_get_modifiers()
== 0 is not strong enough then.
That fits with the notes on the drm_fourcc.h declaration of the linear format
flag:
https://elixir.bootlin.com/linux/latest/source/include/uapi/drm/drm_fourcc.h#L448
Any id
No one responded to my last email, so I'll just assume it was because
everyone aggeed with it and not because it was so horribly structured that
no one understood a thing I was saying :).
It would be possible to redesign Wayland following the principles you
> have described. No-one is doing this,
On Fri, 5 Aug 2022 12:32:01 +
"Hoosier, Matt" wrote:
> Suppose that I want to map a GPU buffer to the CPU and do image
> analysis on it. I know all the usual cautions about this being a
> poor performance option, etc. But suppose for the moment that the
> use-case requires it.
>
> What's the
