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main: print backends in help message in alphabetical order

Browse source 
For better readability of `weston --help' output, backends are now sorted
in alphabetical order.

Signed-off-by: Dawid Gajownik <gajownik@gmail.com>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
This commit is contained in:
Dawid Gajownik 2015-07-31 17:39:00 -03:00 committed by Bryce Harrington
parent 2d7ded80f5
commit 71f5704879
1 changed files with 45 additions and 45 deletions
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90
src/main.c
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@ -235,20 +235,20 @@ usage(int error_code)
#if defined(BUILD_FBDEV_COMPOSITOR)
"\t\t\t\tfbdev-backend.so\n"
#endif
#if defined(BUILD_X11_COMPOSITOR)
"\t\t\t\tx11-backend.so\n"
#endif
#if defined(BUILD_WAYLAND_COMPOSITOR)
"\t\t\t\twayland-backend.so\n"
#if defined(BUILD_HEADLESS_COMPOSITOR)
"\t\t\t\theadless-backend.so\n"
#endif
#if defined(BUILD_RDP_COMPOSITOR)
"\t\t\t\trdp-backend.so\n"
#endif
#if defined(BUILD_HEADLESS_COMPOSITOR)
"\t\t\t\theadless-backend.so\n"
#endif
#if defined(BUILD_RPI_COMPOSITOR) && defined(HAVE_BCM_HOST)
"\t\t\t\trpi-backend.so\n"
#endif
#if defined(BUILD_WAYLAND_COMPOSITOR)
"\t\t\t\twayland-backend.so\n"
#endif
#if defined(BUILD_X11_COMPOSITOR)
"\t\t\t\tx11-backend.so\n"
#endif
" --shell=MODULE\tShell module, defaults to desktop-shell.so\n"
" -S, --socket=NAME\tName of socket to listen on\n"
@ -277,41 +277,14 @@ usage(int error_code)
" --use-gl\t\tUse the GL renderer\n\n");
#endif
#if defined(BUILD_X11_COMPOSITOR)
#if defined(BUILD_HEADLESS_COMPOSITOR)
fprintf(stderr,
"Options for x11-backend.so:\n\n"
" --width=WIDTH\t\tWidth of X window\n"
" --height=HEIGHT\tHeight of X window\n"
" --scale=SCALE\t\tScale factor of output\n"
" --fullscreen\t\tRun in fullscreen mode\n"
" --use-pixman\t\tUse the pixman (CPU) renderer\n"
" --output-count=COUNT\tCreate multiple outputs\n"
" --no-input\t\tDont create input devices\n\n");
#endif
#if defined(BUILD_WAYLAND_COMPOSITOR)
fprintf(stderr,
"Options for wayland-backend.so:\n\n"
" --width=WIDTH\t\tWidth of Wayland surface\n"
" --height=HEIGHT\tHeight of Wayland surface\n"
" --scale=SCALE\t\tScale factor of output\n"
" --fullscreen\t\tRun in fullscreen mode\n"
" --use-pixman\t\tUse the pixman (CPU) renderer\n"
" --output-count=COUNT\tCreate multiple outputs\n"
" --sprawl\t\tCreate one fullscreen output for every parent output\n"
" --display=DISPLAY\tWayland display to connect to\n\n");
#endif
#if defined(BUILD_RPI_COMPOSITOR) && defined(HAVE_BCM_HOST)
fprintf(stderr,
"Options for rpi-backend.so:\n\n"
" --tty=TTY\t\tThe tty to use\n"
" --single-buffer\tUse single-buffered Dispmanx elements.\n"
"Options for headless-backend.so:\n\n"
" --width=WIDTH\t\tWidth of memory surface\n"
" --height=HEIGHT\tHeight of memory surface\n"
" --transform=TR\tThe output transformation, TR is one of:\n"
"\tnormal 90 180 270 flipped flipped-90 flipped-180 flipped-270\n"
" --opaque-regions\tEnable support for opaque regions, can be "
"very slow without support in the GPU firmware.\n"
"\n");
" --use-pixman\t\tUse the pixman (CPU) renderer (default: no rendering)\n\n");
#endif
#if defined(BUILD_RDP_COMPOSITOR)
@ -329,14 +302,41 @@ usage(int error_code)
"\n");
#endif
#if defined(BUILD_HEADLESS_COMPOSITOR)
#if defined(BUILD_RPI_COMPOSITOR) && defined(HAVE_BCM_HOST)
fprintf(stderr,
"Options for headless-backend.so:\n\n"
" --width=WIDTH\t\tWidth of memory surface\n"
" --height=HEIGHT\tHeight of memory surface\n"
"Options for rpi-backend.so:\n\n"
" --tty=TTY\t\tThe tty to use\n"
" --single-buffer\tUse single-buffered Dispmanx elements.\n"
" --transform=TR\tThe output transformation, TR is one of:\n"
"\tnormal 90 180 270 flipped flipped-90 flipped-180 flipped-270\n"
" --use-pixman\t\tUse the pixman (CPU) renderer (default: no rendering)\n\n");
" --opaque-regions\tEnable support for opaque regions, can be "
"very slow without support in the GPU firmware.\n"
"\n");
#endif
#if defined(BUILD_WAYLAND_COMPOSITOR)
fprintf(stderr,
"Options for wayland-backend.so:\n\n"
" --width=WIDTH\t\tWidth of Wayland surface\n"
" --height=HEIGHT\tHeight of Wayland surface\n"
" --scale=SCALE\t\tScale factor of output\n"
" --fullscreen\t\tRun in fullscreen mode\n"
" --use-pixman\t\tUse the pixman (CPU) renderer\n"
" --output-count=COUNT\tCreate multiple outputs\n"
" --sprawl\t\tCreate one fullscreen output for every parent output\n"
" --display=DISPLAY\tWayland display to connect to\n\n");
#endif
#if defined(BUILD_X11_COMPOSITOR)
fprintf(stderr,
"Options for x11-backend.so:\n\n"
" --width=WIDTH\t\tWidth of X window\n"
" --height=HEIGHT\tHeight of X window\n"
" --scale=SCALE\t\tScale factor of output\n"
" --fullscreen\t\tRun in fullscreen mode\n"
" --use-pixman\t\tUse the pixman (CPU) renderer\n"
" --output-count=COUNT\tCreate multiple outputs\n"
" --no-input\t\tDont create input devices\n\n");
#endif
exit(error_code);