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https://github.com/hyprwm/wlroots-hyprland.git
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scene: add wlr_scene_tree
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parent
ccc84f11a4
commit
211b3b760e
2 changed files with 34 additions and 2 deletions
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@ -28,6 +28,7 @@ struct wlr_output_layout;
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enum wlr_scene_node_type {
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WLR_SCENE_NODE_ROOT,
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WLR_SCENE_NODE_TREE,
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WLR_SCENE_NODE_SURFACE,
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WLR_SCENE_NODE_RECT,
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};
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@ -61,6 +62,11 @@ struct wlr_scene {
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struct wl_list outputs; // wlr_scene_output.link
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};
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/** A sub-tree in the scene-graph. */
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struct wlr_scene_tree {
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struct wlr_scene_node node;
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};
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/** A scene-graph node displaying a single surface. */
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struct wlr_scene_surface {
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struct wlr_scene_node node;
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@ -157,6 +163,11 @@ struct wlr_scene *wlr_scene_create(void);
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void wlr_scene_render_output(struct wlr_scene *scene, struct wlr_output *output,
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int lx, int ly, pixman_region32_t *damage);
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/**
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* Add a node displaying nothing but its children.
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*/
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struct wlr_scene_tree *wlr_scene_tree_create(struct wlr_scene_node *parent);
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/**
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* Add a node displaying a single surface to the scene-graph.
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*
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@ -15,6 +15,11 @@ static struct wlr_scene *scene_root_from_node(struct wlr_scene_node *node) {
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return (struct wlr_scene *)node;
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}
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static struct wlr_scene_tree *scene_tree_from_node(struct wlr_scene_node *node) {
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assert(node->type == WLR_SCENE_NODE_TREE);
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return (struct wlr_scene_tree *)node;
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}
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struct wlr_scene_surface *wlr_scene_surface_from_node(
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struct wlr_scene_node *node) {
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assert(node->type == WLR_SCENE_NODE_SURFACE);
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@ -84,6 +89,10 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node) {
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free(scene);
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break;
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case WLR_SCENE_NODE_TREE:;
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struct wlr_scene_tree *tree = scene_tree_from_node(node);
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free(tree);
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break;
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case WLR_SCENE_NODE_SURFACE:;
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struct wlr_scene_surface *scene_surface = wlr_scene_surface_from_node(node);
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wl_list_remove(&scene_surface->surface_destroy.link);
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@ -106,6 +115,16 @@ struct wlr_scene *wlr_scene_create(void) {
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return scene;
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}
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struct wlr_scene_tree *wlr_scene_tree_create(struct wlr_scene_node *parent) {
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struct wlr_scene_tree *tree = calloc(1, sizeof(struct wlr_scene_tree));
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if (tree == NULL) {
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return NULL;
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}
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scene_node_init(&tree->node, WLR_SCENE_NODE_TREE, parent);
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return tree;
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}
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static void scene_surface_handle_surface_destroy(struct wl_listener *listener,
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void *data) {
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struct wlr_scene_surface *scene_surface =
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@ -246,6 +265,7 @@ static void _scene_node_damage_whole(struct wlr_scene_node *node,
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int width = 0, height = 0;
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switch (node->type) {
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case WLR_SCENE_NODE_ROOT:
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case WLR_SCENE_NODE_TREE:
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return;
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case WLR_SCENE_NODE_SURFACE:;
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struct wlr_scene_surface *scene_surface =
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@ -536,8 +556,9 @@ static void render_node_iterator(struct wlr_scene_node *node,
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};
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switch (node->type) {
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case WLR_SCENE_NODE_ROOT:;
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/* Root node has nothing to render itself */
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case WLR_SCENE_NODE_ROOT:
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case WLR_SCENE_NODE_TREE:
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/* Root or tree node has nothing to render itself */
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break;
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case WLR_SCENE_NODE_SURFACE:;
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struct wlr_scene_surface *scene_surface = wlr_scene_surface_from_node(node);
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