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scene: add wlr_scene_get_scene_output
This allows getting a wlr_scene_output from a wlr_output. Since an output can only be added once to a scene-graph there's no ambiguity. This is useful for compositors using wlr_scene_attach_output_layout: the output layout integration automatically creates a scene-graph output for each wlr_output added to the layout.
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2 changed files with 19 additions and 0 deletions
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@ -282,6 +282,13 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output);
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*/
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void wlr_scene_output_for_each_surface(struct wlr_scene_output *scene_output,
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wlr_surface_iterator_func_t iterator, void *user_data);
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/**
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* Get a scene-graph output from a wlr_output.
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*
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* If the output hasn't been added to the scene-graph, returns NULL.
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*/
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struct wlr_scene_output *wlr_scene_get_scene_output(struct wlr_scene *scene,
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struct wlr_output *output);
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/**
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* Attach an output layout to a scene.
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@ -828,6 +828,18 @@ void wlr_scene_output_destroy(struct wlr_scene_output *scene_output) {
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free(scene_output);
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}
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struct wlr_scene_output *wlr_scene_get_scene_output(struct wlr_scene *scene,
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struct wlr_output *output) {
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struct wlr_addon *addon =
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wlr_addon_find(&output->addons, scene, &output_addon_impl);
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if (addon == NULL) {
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return NULL;
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}
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struct wlr_scene_output *scene_output =
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wl_container_of(addon, scene_output, addon);
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return scene_output;
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}
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void wlr_scene_output_set_position(struct wlr_scene_output *scene_output,
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int lx, int ly) {
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if (scene_output->x == lx && scene_output->y == ly) {
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