Re: [PATCH v2] ui/cocoa: Fix stride resolution of pixman image

[Akihiko Odaki <akihiko.odaki@gmail.com>]

2021年2月25日(木) 17:02 Gerd Hoffmann <kraxel@redhat.com>:
>
> On Wed, Feb 24, 2021 at 01:08:22PM +0000, Peter Maydell wrote:
> > On Wed, 24 Feb 2021 at 11:23, Gerd Hoffmann <kraxel@redhat.com> wrote:
> > >
> > > On Mon, Feb 22, 2021 at 11:40:12PM +0900, Akihiko Odaki wrote:
> > > > A display can receive an image which its stride is greater than its
> > > > width. In fact, when a guest requests virtio-gpu to scan out a
> > > > smaller part of an image, virtio-gpu passes it to a display as an
> > > > image which its width represents the one of the part and its stride
> > > > equals to the one of the whole image.
> > >
> > > Probably not limited to virtio-gpu.  Wayland rounds display framebuffers
> > > to the next multiple of 64, so when running -- for example -- 800x600
> > > wayland will create an image 832 pixels wide.  Other UIs had simliar
> > > issues.
> > >
> > > Patch added to UI patch queue.
> >
> > Could you add Akihiko's explanation to the commit message
> > for the patch in your queue, please?
>
> That _is_ the (v2) commit message ;)
>
> Akihiko: new versions of a patch should be sent as new thread, not as
> reply.  It is less confusing for both people and tools like b4
> (https://pypi.org/project/b4/) which help with patch processing.

I didn't know that. Thanks for telling me that. I'll do so next time.

Regards,
Akihiko Odaki

>
> take care,
>   Gerd
>