Commit cd958edb authored by Marc-André Lureau's avatar Marc-André Lureau Committed by Gerd Hoffmann
Browse files

console: skip same-size resize 



virtio-gpu does a set-scanout at each frame (it might be a driver
regression). qemu_console_resize() recreate a surface even if the size
didn't change, and this shows up in profiling reports because the
surface is cleared. With this patch, I get a +15-20% glmark2
improvement.

Signed-off-by: default avatarMarc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20160826094711.14470-1-marcandre.lureau@redhat.com
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 7cfdc02d

ui/console.c

+7 −0
Original line number Diff line number Diff line
@@ -2101,6 +2101,13 @@ void qemu_console_resize(QemuConsole *s, int width, int height) 
    DisplaySurface *surface;



    assert(s->console_type == GRAPHIC_CONSOLE);



    if (s->surface &&

        pixman_image_get_width(s->surface->image) == width &&

        pixman_image_get_height(s->surface->image) == height) {

        return;

    }



    surface = qemu_create_displaysurface(width, height);

    dpy_gfx_replace_surface(s, surface);

}