On Wed, 24 Feb 2021 at 11:23, Gerd Hoffmann <kra...@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?

thanks
-- PMM

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