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backend-vnc: store backend on struct vnc_output 

To avoid retrieving the backend from the compositor all the time, store
a pointer to the vnc backend on its vnc_output structures.

This will be useful once the compositor contains more than one backend.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel 2021-03-11 16:24:50 +01:00
parent 30cca75086
commit c2d2525aaa
1 changed files with 13 additions and 10 deletions
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23
libweston/backend-vnc/vnc.c
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@ -75,6 +75,7 @@ struct vnc_backend {
struct vnc_output {
struct weston_output base;
struct vnc_backend *backend;
struct wl_event_source *finish_frame_timer;
struct nvnc_display *display;
@ -612,7 +613,7 @@ vnc_output_enable(struct weston_output *base)
assert(output);
backend = to_vnc_backend(base->compositor);
backend = output->backend;
backend->output = output;
if (pixman_renderer_output_create(&output->base, &options) < 0)
@ -651,7 +652,7 @@ vnc_output_disable(struct weston_output *base)
assert(output);
backend = to_vnc_backend(base->compositor);
backend = output->backend;
if (!output->base.enabled)
return 0;
@ -698,6 +699,8 @@ vnc_create_output(struct weston_backend *backend, const char *name)
output->base.enable = vnc_output_enable;
output->base.attach_head = NULL;
output->backend = b;
weston_compositor_add_pending_output(&output->base, b->compositor);
return &output->base;
@ -774,7 +777,7 @@ vnc_output_repaint(struct weston_output *base, pixman_region32_t *damage)
{
struct vnc_output *output = to_vnc_output(base);
struct weston_compositor *ec = output->base.compositor;
struct vnc_backend *backend = to_vnc_backend(ec);
struct vnc_backend *backend = output->backend;
struct timespec now, target;
int refresh_nsec = millihz_to_nsec(output->base.current_mode->refresh);
int refresh_msec = refresh_nsec / 1000000;
@ -837,19 +840,19 @@ vnc_insert_new_mode(struct weston_output *output, int width, int height,
}
static struct weston_mode *
vnc_ensure_matching_mode(struct weston_output *output,
vnc_ensure_matching_mode(struct vnc_output *output,
struct weston_mode *target)
{
struct vnc_backend *backend = to_vnc_backend(output->compositor);
struct vnc_backend *backend = output->backend;
struct weston_mode *local;
wl_list_for_each(local, &output->mode_list, link) {
wl_list_for_each(local, &output->base.mode_list, link) {
if ((local->width == target->width) &&
(local->height == target->height))
return local;
}
return vnc_insert_new_mode(output, target->width, target->height,
return vnc_insert_new_mode(&output->base, target->width, target->height,
backend->vnc_monitor_refresh_rate);
}
@ -862,7 +865,7 @@ vnc_switch_mode(struct weston_output *base, struct weston_mode *target_mode)
assert(output);
local_mode = vnc_ensure_matching_mode(base, target_mode);
local_mode = vnc_ensure_matching_mode(output, target_mode);
if (local_mode == base->current_mode)
return 0;
@ -888,7 +891,7 @@ static int
vnc_output_set_size(struct weston_output *base, int width, int height)
{
struct vnc_output *output = to_vnc_output(base);
struct vnc_backend *backend = to_vnc_backend(base->compositor);
struct vnc_backend *backend = output->backend;
struct weston_mode *current_mode;
struct weston_mode init_mode;
@ -901,7 +904,7 @@ vnc_output_set_size(struct weston_output *base, int width, int height)
init_mode.height = height;
init_mode.refresh = backend->vnc_monitor_refresh_rate;
current_mode = vnc_ensure_matching_mode(&output->base, &init_mode);
current_mode = vnc_ensure_matching_mode(output, &init_mode);
current_mode->flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
output->base.current_mode = output->base.native_mode = current_mode;