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wayland: Remove freed display from `SDL_WaylandOutputData->output_list`

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Guldoman 2022-08-10 20:01:15 +02:00 committed by Ethan Lee
parent aaec244cfd
commit 5f682e77cb
1 changed files with 16 additions and 2 deletions
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18
src/video/wayland/SDL_waylandvideo.c
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@ -736,7 +736,7 @@ Wayland_add_display(SDL_VideoData *d, uint32_t id)
}
static void
Wayland_free_display(uint32_t id)
Wayland_free_display(SDL_VideoData *d, uint32_t id)
{
int num_displays = SDL_GetNumVideoDisplays();
SDL_VideoDisplay *display;
@ -747,6 +747,19 @@ Wayland_free_display(uint32_t id)
display = SDL_GetDisplay(i);
data = (SDL_WaylandOutputData *) display->driverdata;
if (data->registry_id == id) {
if (d->output_list != NULL) {
SDL_WaylandOutputData *node = d->output_list;
if (node == data) {
d->output_list = node->next;
} else {
while (node->next != data && node->next != NULL) {
node = node->next;
}
if (node->next != NULL) {
node->next = node->next->next;
}
}
}
SDL_DelVideoDisplay(i);
if (data->xdg_output) {
zxdg_output_v1_destroy(data->xdg_output);
@ -886,8 +899,9 @@ display_handle_global(void *data, struct wl_registry *registry, uint32_t id,
static void
display_remove_global(void *data, struct wl_registry *registry, uint32_t id)
{
SDL_VideoData *d = data;
/* We don't get an interface, just an ID, so assume it's a wl_output :shrug: */
Wayland_free_display(id);
Wayland_free_display(d, id);
}
static const struct wl_registry_listener registry_listener = {