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wlr_scene: Parse out WLR_SCENE_DEBUG_DAMAGE
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3 changed files with 31 additions and 0 deletions
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@ -45,6 +45,12 @@ wlroots reads these environment variables
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* *WLR_RENDERER_ALLOW_SOFTWARE*: allows the gles2 renderer to use software
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rendering
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## scenes
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* *WLR_SCENE_DEBUG_DAMAGE*: specifies debug options for screen damage related
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tasks for compositors that use scenes. (available options: NONE, RERENDER,
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HIGHLIGHT)
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# Generic
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* *DISPLAY*: if set probe X11 backend in `wlr_backend_autocreate`
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@ -71,6 +71,12 @@ struct wlr_scene_node {
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struct wlr_addon_set addons;
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};
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enum wlr_scene_debug_damage_option {
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WLR_SCENE_DEBUG_DAMAGE_NONE,
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WLR_SCENE_DEBUG_DAMAGE_RERENDER,
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WLR_SCENE_DEBUG_DAMAGE_HIGHLIGHT
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};
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/** The root scene-graph node. */
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struct wlr_scene {
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struct wlr_scene_node node;
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@ -83,6 +89,8 @@ struct wlr_scene {
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// private state
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struct wl_listener presentation_destroy;
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enum wlr_scene_debug_damage_option debug_damage_option;
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};
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/** A sub-tree in the scene-graph. */
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@ -130,6 +130,23 @@ struct wlr_scene *wlr_scene_create(void) {
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scene_node_init(&scene->node, WLR_SCENE_NODE_ROOT, NULL);
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wl_list_init(&scene->outputs);
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wl_list_init(&scene->presentation_destroy.link);
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char *debug_damage = getenv("WLR_SCENE_DEBUG_DAMAGE");
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if (debug_damage) {
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wlr_log(WLR_INFO, "Loading WLR_SCENE_DEBUG_DAMAGE option: %s", debug_damage);
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}
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if (!debug_damage || strcmp(debug_damage, "none") == 0) {
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scene->debug_damage_option = WLR_SCENE_DEBUG_DAMAGE_NONE;
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} else if (strcmp(debug_damage, "rerender") == 0) {
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scene->debug_damage_option = WLR_SCENE_DEBUG_DAMAGE_RERENDER;
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} else if (strcmp(debug_damage, "highlight") == 0) {
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scene->debug_damage_option = WLR_SCENE_DEBUG_DAMAGE_HIGHLIGHT;
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} else {
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wlr_log(WLR_ERROR, "Unknown WLR_SCENE_DEBUG_DAMAGE option: %s", debug_damage);
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scene->debug_damage_option = WLR_SCENE_DEBUG_DAMAGE_NONE;
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}
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return scene;
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}
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