weston

Lubomir Rintel ddc2b1ec32 pixman: Destroy pixman images when underlying buffer is destroyed While the pixman image might be attached, the underlying buffer might be already gone under certain circumstances. This is easily reproduced by attempting to resize gnome-terminal on a fbdev backend. $ WAYLAND_DEBUG=1 strace -emunmap weston --backend=fbdev-backend.so ... [1524826.942] wl_shm@7.create_pool(new id wl_shm_pool@23, fd 40, 1563540) [1524827.315] wl_shm_pool@23.create_buffer(new id wl_buffer@24, 0, 759, 515, 3036, 0) ... [1524829.488] wl_surface@14.attach(wl_buffer@24, 0, 0) [1524829.766] wl_surface@14.set_buffer_scale(1) [1524829.904] wl_surface@14.damage(0, 0, 759, 515) [1524830.248] wl_surface@14.frame(new id wl_callback@25) [1524830.450] wl_surface@14.commit() ... [1524846.706] wl_shm@7.create_pool(new id wl_shm_pool@26, fd 40, 1545000) [1524847.215] wl_shm_pool@26.create_buffer(new id wl_buffer@27, 0, 750, 515, 3000, 0) [1524847.735] wl_buffer@24.destroy() [1524847.953] -> wl_display@1.delete_id(24) [1524848.144] wl_shm_pool@23.destroy() munmap(0xb5b2e000, 1563540) = 0 [1524849.021] -> wl_display@1.delete_id(23) [1524849.425] wl_surface@14.attach(wl_buffer@27, 0, 0) [1524849.730] wl_surface@14.set_buffer_scale(1) [1524849.821] wl_surface@14.damage(0, 0, 750, 515) <No commit yet, so drawing is attempted from older buffer that used to be attached to the surface, which happens to come from a destroyed pool, resulting it an invalid read from address 0xb5b2e000> Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>		11 years ago
clients	nested: Add EGL_WL_create_wayland_buffer_from_image compat defines	11 years ago
data	window.c: frame_button: Maximize, minimize, close, icon buttons in window frame	13 years ago
desktop-shell	Add a weston_surface_set_size function	11 years ago
man	Make the default desktop shell client configurable	11 years ago
protocol	protocol: crop & scale RFC v3	11 years ago
shared	os: use posix_fallocate in creating sharable buffers	11 years ago
src	pixman: Destroy pixman images when underlying buffer is destroyed	11 years ago
tests	tests: Test whether a simple EGL main loop uses too many buffers	11 years ago
wcap	Add more missing config.h #includes	11 years ago
xwayland	Update .gitignore	11 years ago
.gitignore	Automatically generate weston.ini with the right paths	11 years ago
COPYING	Add COPYING	13 years ago
Makefile.am	Makefile.am: Clean generated weston.ini on make clean	11 years ago
README	Flesh out README a bit, link to building instructions	13 years ago
autogen.sh	Update autotools configuration	14 years ago
configure.ac	configure.ac: Bump version to 1.3.91 for alpha release	11 years ago
notes.txt	Add informal notes file	12 years ago
wayland-scanner.mk	autotools: Don't use wayland-scanner.m4	12 years ago
weston.ini.in	Automatically generate weston.ini with the right paths	11 years ago

README

Weston

Weston is the reference implementation of a Wayland compositor, and a
useful compositor in its own right.  Weston has various backends that
lets it run on Linux kernel modesetting and evdev input as well as
under X11.  Weston ships with a few example clients, from simple
clients that demonstrate certain aspects of the protocol to more
complete clients and a simplistic toolkit.  There is also a quite
capable terminal emulator (weston-terminal) and an toy/example desktop
shell.  Finally, weston also provides integration with the Xorg server
and can pull X clients into the Wayland desktop and act as a X window
manager.

Refer to http://wayland.freedesktop.org/building.html for buiding
weston and its dependencies.