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compositor-x11: Use non-cast functions to retrieve backend and output objects

Browse source 
This uses container_of instead of explicit cast to retrieve
backend and output objects from generic weston_backend and
weston_output pointers.

Signed-off-by: Armin Krezović <krezovic.armin@gmail.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Armin Krezović 2016-08-01 19:17:58 +02:00 committed by Pekka Paalanen
parent 938dc523ce
commit 295e9d004e
1 changed files with 20 additions and 8 deletions
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28
libweston/compositor-x11.c
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@ -127,6 +127,18 @@ struct window_delete_data {
struct gl_renderer_interface *gl_renderer;
static inline struct x11_output *
to_x11_output(struct weston_output *base)
{
return container_of(base, struct x11_output, base);
}
static inline struct x11_backend *
to_x11_backend(struct weston_compositor *base)
{
return container_of(base->backend, struct x11_backend, base);
}
static xcb_screen_t *
x11_compositor_get_default_screen(struct x11_backend *b)
{
@ -375,7 +387,7 @@ static int
x11_output_repaint_gl(struct weston_output *output_base,
pixman_region32_t *damage)
{
struct x11_output *output = (struct x11_output *)output_base;
struct x11_output *output = to_x11_output(output_base);
struct weston_compositor *ec = output->base.compositor;
ec->renderer->repaint_output(output_base, damage);
@ -390,9 +402,9 @@ x11_output_repaint_gl(struct weston_output *output_base,
static void
set_clip_for_output(struct weston_output *output_base, pixman_region32_t *region)
{
struct x11_output *output = (struct x11_output *)output_base;
struct x11_output *output = to_x11_output(output_base);
struct weston_compositor *ec = output->base.compositor;
struct x11_backend *b = (struct x11_backend *)ec->backend;
struct x11_backend *b = to_x11_backend(ec);
pixman_region32_t transformed_region;
pixman_box32_t *rects;
xcb_rectangle_t *output_rects;
@ -443,9 +455,9 @@ static int
x11_output_repaint_shm(struct weston_output *output_base,
pixman_region32_t *damage)
{
struct x11_output *output = (struct x11_output *)output_base;
struct x11_output *output = to_x11_output(output_base);
struct weston_compositor *ec = output->base.compositor;
struct x11_backend *b = (struct x11_backend *)ec->backend;
struct x11_backend *b = to_x11_backend(ec);
xcb_void_cookie_t cookie;
xcb_generic_error_t *err;
@ -506,9 +518,9 @@ x11_output_deinit_shm(struct x11_backend *b, struct x11_output *output)
static void
x11_output_destroy(struct weston_output *output_base)
{
struct x11_output *output = (struct x11_output *)output_base;
struct x11_output *output = to_x11_output(output_base);
struct x11_backend *backend =
(struct x11_backend *)output->base.compositor->backend;
to_x11_backend(output->base.compositor);
wl_event_source_remove(output->finish_frame_timer);
@ -1547,7 +1559,7 @@ x11_restore(struct weston_compositor *ec)
static void
x11_destroy(struct weston_compositor *ec)
{
struct x11_backend *backend = (struct x11_backend *)ec->backend;
struct x11_backend *backend = to_x11_backend(ec);
wl_event_source_remove(backend->xcb_source);
x11_input_destroy(backend);