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

[Gerd Hoffmann]

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.

take care,
  Gerd