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

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

v2:

- Remove unneeded cast
- Remove unneeded line breaks

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 2016-08-05 15:54:18 +02:00 committed by Pekka Paalanen
parent 25a2bdd814
commit 545dba6fda
1 changed files with 40 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
libweston/compositor-drm.c
View File

@ -224,6 +224,18 @@ static struct gl_renderer_interface *gl_renderer;
static const char default_seat[] = "seat0";
static inline struct drm_output *
to_drm_output(struct weston_output *base)
{
return container_of(base, struct drm_output, base);
}
static inline struct drm_backend *
to_drm_backend(struct weston_compositor *base)
{
return container_of(base->backend, struct drm_backend, base);
}
static void
drm_output_set_cursor(struct drm_output *output);
@ -234,7 +246,7 @@ static int
drm_sprite_crtc_supported(struct drm_output *output, uint32_t supported)
{
struct weston_compositor *ec = output->base.compositor;
struct drm_backend *b =(struct drm_backend *)ec->backend;
struct drm_backend *b = to_drm_backend(ec);
int crtc;
for (crtc = 0; crtc < b->num_crtcs; crtc++) {
@ -505,8 +517,7 @@ static struct weston_plane *
drm_output_prepare_scanout_view(struct drm_output *output,
struct weston_view *ev)
{
struct drm_backend *b =
(struct drm_backend *)output->base.compositor->backend;
struct drm_backend *b = to_drm_backend(output->base.compositor);
struct weston_buffer *buffer = ev->surface->buffer_ref.buffer;
struct weston_buffer_viewport *viewport = &ev->surface->buffer_viewport;
struct gbm_bo *bo;
@ -551,8 +562,7 @@ drm_output_prepare_scanout_view(struct drm_output *output,
static void
drm_output_render_gl(struct drm_output *output, pixman_region32_t *damage)
{
struct drm_backend *b =
(struct drm_backend *)output->base.compositor->backend;
struct drm_backend *b = to_drm_backend(output->base.compositor);
struct gbm_bo *bo;
output->base.compositor->renderer->repaint_output(&output->base,
@ -602,7 +612,7 @@ static void
drm_output_render(struct drm_output *output, pixman_region32_t *damage)
{
struct weston_compositor *c = output->base.compositor;
struct drm_backend *b = (struct drm_backend *)c->backend;
struct drm_backend *b = to_drm_backend(c);
if (b->use_pixman)
drm_output_render_pixman(output, damage);
@ -618,9 +628,9 @@ drm_output_set_gamma(struct weston_output *output_base,
uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b)
{
int rc;
struct drm_output *output = (struct drm_output *) output_base;
struct drm_output *output = to_drm_output(output_base);
struct drm_backend *backend =
(struct drm_backend *) output->base.compositor->backend;
to_drm_backend(output->base.compositor);
/* check */
if (output_base->gamma_size != size)
@ -664,9 +674,9 @@ static int
drm_output_repaint(struct weston_output *output_base,
pixman_region32_t *damage)
{
struct drm_output *output = (struct drm_output *) output_base;
struct drm_output *output = to_drm_output(output_base);
struct drm_backend *backend =
(struct drm_backend *)output->base.compositor->backend;
to_drm_backend(output->base.compositor);
struct drm_sprite *s;
struct drm_mode *mode;
int ret = 0;
@ -763,9 +773,9 @@ err_pageflip:
static void
drm_output_start_repaint_loop(struct weston_output *output_base)
{
struct drm_output *output = (struct drm_output *) output_base;
struct drm_backend *backend = (struct drm_backend *)
output_base->compositor->backend;
struct drm_output *output = to_drm_output(output_base);
struct drm_backend *backend =
to_drm_backend(output_base->compositor);
uint32_t fb_id;
struct timespec ts, tnow;
struct timespec vbl2now;
@ -873,7 +883,7 @@ static void
page_flip_handler(int fd, unsigned int frame,
unsigned int sec, unsigned int usec, void *data)
{
struct drm_output *output = (struct drm_output *) data;
struct drm_output *output = data;
struct timespec ts;
uint32_t flags = WP_PRESENTATION_FEEDBACK_KIND_VSYNC |
WP_PRESENTATION_FEEDBACK_KIND_HW_COMPLETION |
@ -947,7 +957,7 @@ drm_output_prepare_overlay_view(struct drm_output *output,
struct weston_view *ev)
{
struct weston_compositor *ec = output->base.compositor;
struct drm_backend *b = (struct drm_backend *)ec->backend;
struct drm_backend *b = to_drm_backend(ec);
struct weston_buffer_viewport *viewport = &ev->surface->buffer_viewport;
struct wl_resource *buffer_resource;
struct drm_sprite *s;
@ -1119,8 +1129,7 @@ static struct weston_plane *
drm_output_prepare_cursor_view(struct drm_output *output,
struct weston_view *ev)
{
struct drm_backend *b =
(struct drm_backend *)output->base.compositor->backend;
struct drm_backend *b = to_drm_backend(output->base.compositor);
struct weston_buffer_viewport *viewport = &ev->surface->buffer_viewport;
struct wl_shm_buffer *shmbuf;
@ -1199,8 +1208,7 @@ drm_output_set_cursor(struct drm_output *output)
{
struct weston_view *ev = output->cursor_view;
struct weston_buffer *buffer;
struct drm_backend *b =
(struct drm_backend *) output->base.compositor->backend;
struct drm_backend *b = to_drm_backend(output->base.compositor);
EGLint handle;
struct gbm_bo *bo;
float x, y;
@ -1253,9 +1261,8 @@ drm_output_set_cursor(struct drm_output *output)
static void
drm_assign_planes(struct weston_output *output_base)
{
struct drm_backend *b =
(struct drm_backend *)output_base->compositor->backend;
struct drm_output *output = (struct drm_output *)output_base;
struct drm_backend *b = to_drm_backend(output_base->compositor);
struct drm_output *output = to_drm_output(output_base);
struct weston_view *ev, *next;
pixman_region32_t overlap, surface_overlap;
struct weston_plane *primary, *next_plane;
@ -1340,9 +1347,8 @@ drm_output_fini_pixman(struct drm_output *output);
static void
drm_output_destroy(struct weston_output *output_base)
{
struct drm_output *output = (struct drm_output *) output_base;
struct drm_backend *b =
(struct drm_backend *)output->base.compositor->backend;
struct drm_output *output = to_drm_output(output_base);
struct drm_backend *b = to_drm_backend(output->base.compositor);
drmModeCrtcPtr origcrtc = output->original_crtc;
if (output->page_flip_pending) {
@ -1441,8 +1447,8 @@ drm_output_switch_mode(struct weston_output *output_base, struct weston_mode *mo
return -1;
}
b = (struct drm_backend *)output_base->compositor->backend;
output = (struct drm_output *)output_base;
b = to_drm_backend(output_base->compositor);
output = to_drm_output(output_base);
drm_mode = choose_mode (output, mode);
if (!drm_mode) {
@ -1732,7 +1738,7 @@ drm_get_backlight(struct drm_output *output)
static void
drm_set_backlight(struct weston_output *output_base, uint32_t value)
{
struct drm_output *output = (struct drm_output *) output_base;
struct drm_output *output = to_drm_output(output_base);
long max_brightness, new_brightness;
if (!output->backlight)
@ -1772,9 +1778,9 @@ drm_get_prop(int fd, drmModeConnectorPtr connector, const char *name)
static void
drm_set_dpms(struct weston_output *output_base, enum dpms_enum level)
{
struct drm_output *output = (struct drm_output *) output_base;
struct drm_output *output = to_drm_output(output_base);
struct weston_compositor *ec = output_base->compositor;
struct drm_backend *b = (struct drm_backend *)ec->backend;
struct drm_backend *b = to_drm_backend(ec);
int ret;
if (!output->dpms_prop)
@ -2734,7 +2740,7 @@ drm_restore(struct weston_compositor *ec)
static void
drm_destroy(struct weston_compositor *ec)
{
struct drm_backend *b = (struct drm_backend *) ec->backend;
struct drm_backend *b = to_drm_backend(ec);
udev_input_destroy(&b->input);
@ -2790,7 +2796,7 @@ static void
session_notify(struct wl_listener *listener, void *data)
{
struct weston_compositor *compositor = data;
struct drm_backend *b = (struct drm_backend *)compositor->backend;
struct drm_backend *b = to_drm_backend(compositor);
struct drm_sprite *sprite;
struct drm_output *output;
@ -2930,7 +2936,7 @@ recorder_frame_notify(struct wl_listener *listener, void *data)
output = container_of(listener, struct drm_output,
recorder_frame_listener);
b = (struct drm_backend *)output->base.compositor->backend;
b = to_drm_backend(output->base.compositor);
if (!output->recorder)
return;
@ -3067,7 +3073,7 @@ renderer_switch_binding(struct weston_keyboard *keyboard, uint32_t time,
uint32_t key, void *data)
{
struct drm_backend *b =
(struct drm_backend *) keyboard->seat->compositor;
to_drm_backend(keyboard->seat->compositor);
switch_to_gl_renderer(b);
}