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scene: listen to renderer destroy in wlr_scene_buffer

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When a renderer is destroyed, so are all textures. Reset the
texture in that case.
This commit is contained in:
Simon Ser 2024-03-14 14:05:55 +01:00
parent 3d9f330ee0
commit 859373b253
2 changed files with 16 additions and 0 deletions
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1
include/wlr/types/wlr_scene.h
View file

@ -191,6 +191,7 @@ struct wlr_scene_buffer {
bool buffer_is_opaque;
struct wl_listener buffer_release;
struct wl_listener renderer_destroy;
};
/** A viewport for an output in the scene-graph */

15
types/scene/wlr_scene.c
View file

@ -637,10 +637,24 @@ static void scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer,
wl_signal_add(&buffer->events.release, &scene_buffer->buffer_release);
}
static void scene_buffer_handle_renderer_destroy(struct wl_listener *listener,
void *data) {
struct wlr_scene_buffer *scene_buffer = wl_container_of(listener, scene_buffer, renderer_destroy);
scene_buffer_set_texture(scene_buffer, NULL);
}
static void scene_buffer_set_texture(struct wlr_scene_buffer *scene_buffer,
struct wlr_texture *texture) {
wl_list_remove(&scene_buffer->renderer_destroy.link);
wlr_texture_destroy(scene_buffer->texture);
scene_buffer->texture = texture;
if (texture != NULL) {
scene_buffer->renderer_destroy.notify = scene_buffer_handle_renderer_destroy;
wl_signal_add(&texture->renderer->events.destroy, &scene_buffer->renderer_destroy);
} else {
wl_list_init(&scene_buffer->renderer_destroy.link);
}
}
struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent,
@ -659,6 +673,7 @@ struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent,
wl_signal_init(&scene_buffer->events.frame_done);
pixman_region32_init(&scene_buffer->opaque_region);
wl_list_init(&scene_buffer->buffer_release.link);
wl_list_init(&scene_buffer->renderer_destroy.link);
scene_buffer->opacity = 1;
scene_buffer_set_buffer(scene_buffer, buffer);