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

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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 19:17:57 +02:00 committed by Pekka Paalanen
parent fb371c62c2
commit 938dc523ce
1 changed files with 26 additions and 14 deletions
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40
libweston/compositor-wayland.c
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@ -193,6 +193,18 @@ struct wayland_input {
struct gl_renderer_interface *gl_renderer;
static inline struct wayland_output *
to_wayland_output(struct weston_output *base)
{
return container_of(base, struct wayland_output, base);
}
static inline struct wayland_backend *
to_wayland_backend(struct weston_compositor *base)
{
return container_of(base->backend, struct wayland_backend, base);
}
static void
wayland_shm_buffer_destroy(struct wayland_shm_buffer *buffer)
{
@ -229,7 +241,7 @@ static struct wayland_shm_buffer *
wayland_output_get_shm_buffer(struct wayland_output *output)
{
struct wayland_backend *b =
(struct wayland_backend *) output->base.compositor->backend;
to_wayland_backend(output->base.compositor);
struct wl_shm *shm = b->parent.shm;
struct wayland_shm_buffer *sb;
@ -434,9 +446,9 @@ wayland_output_update_gl_border(struct wayland_output *output)
static void
wayland_output_start_repaint_loop(struct weston_output *output_base)
{
struct wayland_output *output = (struct wayland_output *) output_base;
struct wayland_output *output = to_wayland_output(output_base);
struct wayland_backend *wb =
(struct wayland_backend *)output->base.compositor->backend;
to_wayland_backend(output->base.compositor);
struct wl_callback *callback;
/* If this is the initial frame, we need to attach a buffer so that
@ -460,7 +472,7 @@ static int
wayland_output_repaint_gl(struct weston_output *output_base,
pixman_region32_t *damage)
{
struct wayland_output *output = (struct wayland_output *) output_base;
struct wayland_output *output = to_wayland_output(output_base);
struct weston_compositor *ec = output->base.compositor;
struct wl_callback *callback;
@ -567,9 +579,9 @@ static int
wayland_output_repaint_pixman(struct weston_output *output_base,
pixman_region32_t *damage)
{
struct wayland_output *output = (struct wayland_output *) output_base;
struct wayland_output *output = to_wayland_output(output_base);
struct wayland_backend *b =
(struct wayland_backend *)output->base.compositor->backend;
to_wayland_backend(output->base.compositor);
struct wl_callback *callback;
struct wayland_shm_buffer *sb;
@ -607,9 +619,9 @@ wayland_output_repaint_pixman(struct weston_output *output_base,
static void
wayland_output_destroy(struct weston_output *output_base)
{
struct wayland_output *output = (struct wayland_output *) output_base;
struct wayland_output *output = to_wayland_output(output_base);
struct wayland_backend *b =
(struct wayland_backend *) output->base.compositor->backend;
to_wayland_backend(output->base.compositor);
if (b->use_pixman) {
pixman_renderer_output_destroy(output_base);
@ -684,7 +696,7 @@ static void
wayland_output_resize_surface(struct wayland_output *output)
{
struct wayland_backend *b =
(struct wayland_backend *)output->base.compositor->backend;
to_wayland_backend(output->base.compositor);
struct wayland_shm_buffer *buffer, *next;
int32_t ix, iy, iwidth, iheight;
int32_t width, height;
@ -761,7 +773,7 @@ static int
wayland_output_set_windowed(struct wayland_output *output)
{
struct wayland_backend *b =
(struct wayland_backend *)output->base.compositor->backend;
to_wayland_backend(output->base.compositor);
int tlen;
char *title;
@ -808,7 +820,7 @@ wayland_output_set_fullscreen(struct wayland_output *output,
uint32_t framerate, struct wl_output *target)
{
struct wayland_backend *b =
(struct wayland_backend *)output->base.compositor->backend;
to_wayland_backend(output->base.compositor);
if (output->frame) {
frame_destroy(output->frame);
@ -898,7 +910,7 @@ static int
wayland_output_switch_mode(struct weston_output *output_base,
struct weston_mode *mode)
{
struct wayland_output *output = (struct wayland_output *) output_base;
struct wayland_output *output = to_wayland_output(output_base);
struct wayland_backend *b;
struct wl_surface *old_surface;
struct weston_mode *old_mode;
@ -916,7 +928,7 @@ wayland_output_switch_mode(struct weston_output *output_base,
return -1;
}
b = (struct wayland_backend *)output_base->compositor->backend;
b = to_wayland_backend(output_base->compositor);
if (output->parent.shell_surface || !b->parent.fshell)
return -1;
@ -2105,7 +2117,7 @@ wayland_restore(struct weston_compositor *ec)
static void
wayland_destroy(struct weston_compositor *ec)
{
struct wayland_backend *b = (struct wayland_backend *) ec->backend;
struct wayland_backend *b = to_wayland_backend(ec);
weston_compositor_shutdown(ec);