On Sun, Dec 15, 2024 at 11:45 AM Geert Uytterhoeven
<geert@xxxxxxxxxxxxxx> wrote:
> Recently, I ran into a segmentation fault when running test002 ("Draw a
> grid and some ellipses") on a system with a display resolution of
> 2560x1440. This turned out to be due to a 32-bit overflow in the
> ellipse drawing routines.
>
> This patch series:
> - Adds support for operating on a virtual buffer in RAM instead of on
> a real frame buffer device, and exporting the result as a PPM image,
> which is useful for e.g. testing drawing algorithms on screen sizes
> not supported by your hardware,
> - Fixes the drawing of ellipses on large displays,
> - Contains some small fixe and improvements.
>
> I intend to apply these to
> https://git.kernel.org/pub/scm/linux/kernel/git/geert/fbtest.git/.
Pushed, with the Cortex-A9 performance figure added to the
description for [PATCH fbtest 12/17].
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
