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. thanks, Gerd
