diff options
| -rw-r--r-- | wlr_scene.c | 167 |
1 files changed, 121 insertions, 46 deletions
diff --git a/wlr_scene.c b/wlr_scene.c index 656f662..5eb8165 100644 --- a/wlr_scene.c +++ b/wlr_scene.c @@ -17,11 +17,6 @@ static struct wlr_scene *scene_root_from_node(struct wlr_scene_node *node) { return (struct wlr_scene *)node; } -static struct wlr_scene_tree *scene_tree_from_node(struct wlr_scene_node *node) { - assert(node->type == WLR_SCENE_NODE_TREE); - return (struct wlr_scene_tree *)node; -} - struct wlr_scene_surface *wlr_scene_surface_from_node( struct wlr_scene_node *node) { assert(node->type == WLR_SCENE_NODE_SURFACE); @@ -73,18 +68,6 @@ static void scene_node_init(struct wlr_scene_node *node, } } -static void scene_node_finish(struct wlr_scene_node *node) { - wlr_signal_emit_safe(&node->events.destroy, NULL); - - struct wlr_scene_node *child, *child_tmp; - wl_list_for_each_safe(child, child_tmp, - &node->state.children, state.link) { - wlr_scene_node_destroy(child); - } - - scene_node_state_finish(&node->state); -} - static void scene_node_damage_whole(struct wlr_scene_node *node); void wlr_scene_node_destroy(struct wlr_scene_node *node) { @@ -93,7 +76,11 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node) { } scene_node_damage_whole(node); - scene_node_finish(node); + + // We want to call the destroy listeners before we do anything else + // in case the destroy signal would like to remove children before they + // are recursively destroyed. + wlr_signal_emit_safe(&node->events.destroy, NULL); struct wlr_scene *scene = scene_node_get_root(node); struct wlr_scene_output *scene_output; @@ -105,12 +92,6 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node) { } wl_list_remove(&scene->presentation_destroy.link); - - free(scene); - break; - case WLR_SCENE_NODE_TREE:; - struct wlr_scene_tree *tree = scene_tree_from_node(node); - free(tree); break; case WLR_SCENE_NODE_SURFACE:; struct wlr_scene_surface *scene_surface = wlr_scene_surface_from_node(node); @@ -123,20 +104,36 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node) { wl_list_remove(&scene_surface->surface_commit.link); wl_list_remove(&scene_surface->surface_destroy.link); - - free(scene_surface); - break; - case WLR_SCENE_NODE_RECT:; - struct wlr_scene_rect *scene_rect = scene_rect_from_node(node); - free(scene_rect); break; case WLR_SCENE_NODE_BUFFER:; struct wlr_scene_buffer *scene_buffer = scene_buffer_from_node(node); + + uint64_t active = scene_buffer->active_outputs; + if (active) { + wl_list_for_each(scene_output, &scene->outputs, link) { + if (active & (1ull << scene_output->index)) { + wlr_signal_emit_safe(&scene_buffer->events.output_leave, + scene_output); + } + } + } + wlr_texture_destroy(scene_buffer->texture); wlr_buffer_unlock(scene_buffer->buffer); - free(scene_buffer); + break; + case WLR_SCENE_NODE_TREE: + case WLR_SCENE_NODE_RECT: break; } + + struct wlr_scene_node *child, *child_tmp; + wl_list_for_each_safe(child, child_tmp, + &node->state.children, state.link) { + wlr_scene_node_destroy(child); + } + + scene_node_state_finish(&node->state); + free(node); } struct wlr_scene *wlr_scene_create(void) { @@ -167,6 +164,8 @@ static void scene_surface_handle_surface_destroy(struct wl_listener *listener, wlr_scene_node_destroy(&scene_surface->node); } +static void scene_node_get_size(struct wlr_scene_node *node, int *lx, int *ly); + // This function must be called whenever the coordinates/dimensions of a scene // surface or scene output change. It is not necessary to call when a scene // surface's node is enabled/disabled or obscured by other nodes. To quote the @@ -210,26 +209,62 @@ static void scene_surface_update_outputs( } } -static void scene_node_update_surface_outputs_iterator( +// This function must be called whenever the coordinates/dimensions of a scene +// buffer or scene output change. It is not necessary to call when a scene +// buffer's node is enabled/disabled or obscured by other nodes. +static void scene_buffer_update_outputs( + struct wlr_scene_buffer *scene_buffer, + int lx, int ly, struct wlr_scene *scene) { + struct wlr_box buffer_box = { .x = lx, .y = ly }; + scene_node_get_size(&scene_buffer->node, &buffer_box.width, &buffer_box.height); + + struct wlr_scene_output *scene_output; + wl_list_for_each(scene_output, &scene->outputs, link) { + struct wlr_box output_box = { + .x = scene_output->x, + .y = scene_output->y, + }; + wlr_output_effective_resolution(scene_output->output, + &output_box.width, &output_box.height); + + struct wlr_box intersection; + bool intersects = wlr_box_intersection(&intersection, &buffer_box, &output_box); + bool intersects_before = scene_buffer->active_outputs & (1ull << scene_output->index); + + if (intersects && !intersects_before) { + scene_buffer->active_outputs |= 1ull << scene_output->index; + wlr_signal_emit_safe(&scene_buffer->events.output_enter, scene_output); + } else if (!intersects && intersects_before) { + scene_buffer->active_outputs &= ~(1ull << scene_output->index); + wlr_signal_emit_safe(&scene_buffer->events.output_leave, scene_output); + } + } +} + +static void _scene_node_update_outputs( struct wlr_scene_node *node, int lx, int ly, struct wlr_scene *scene) { if (node->type == WLR_SCENE_NODE_SURFACE) { struct wlr_scene_surface *scene_surface = wlr_scene_surface_from_node(node); scene_surface_update_outputs(scene_surface, lx, ly, scene); + } else if (node->type == WLR_SCENE_NODE_BUFFER) { + struct wlr_scene_buffer *scene_buffer = + scene_buffer_from_node(node); + scene_buffer_update_outputs(scene_buffer, lx, ly, scene); } struct wlr_scene_node *child; wl_list_for_each(child, &node->state.children, state.link) { - scene_node_update_surface_outputs_iterator(child, lx + child->state.x, + _scene_node_update_outputs(child, lx + child->state.x, ly + child->state.y, scene); } } -static void scene_node_update_surface_outputs(struct wlr_scene_node *node) { +static void scene_node_update_outputs(struct wlr_scene_node *node) { struct wlr_scene *scene = scene_node_get_root(node); int lx, ly; wlr_scene_node_coords(node, &lx, &ly); - scene_node_update_surface_outputs_iterator(node, lx, ly, scene); + _scene_node_update_outputs(node, lx, ly, scene); } static void scene_surface_handle_surface_commit(struct wl_listener *listener, @@ -307,7 +342,7 @@ struct wlr_scene_surface *wlr_scene_surface_create(struct wlr_scene_node *parent scene_node_damage_whole(&scene_surface->node); - scene_node_update_surface_outputs(&scene_surface->node); + scene_node_update_outputs(&scene_surface->node); return scene_surface; } @@ -362,8 +397,13 @@ struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_node *parent, scene_buffer->buffer = wlr_buffer_lock(buffer); } + wl_signal_init(&scene_buffer->events.output_enter); + wl_signal_init(&scene_buffer->events.output_leave); + scene_node_damage_whole(&scene_buffer->node); + scene_node_update_outputs(&scene_buffer->node); + return scene_buffer; } @@ -386,6 +426,8 @@ void wlr_scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer, } scene_node_damage_whole(&scene_buffer->node); + + scene_node_update_outputs(&scene_buffer->node); } void wlr_scene_buffer_set_source_box(struct wlr_scene_buffer *scene_buffer, @@ -415,6 +457,8 @@ void wlr_scene_buffer_set_dest_size(struct wlr_scene_buffer *scene_buffer, scene_buffer->dst_width = width; scene_buffer->dst_height = height; scene_node_damage_whole(&scene_buffer->node); + + scene_node_update_outputs(&scene_buffer->node); } void wlr_scene_buffer_set_transform(struct wlr_scene_buffer *scene_buffer, @@ -559,7 +603,7 @@ void wlr_scene_node_set_position(struct wlr_scene_node *node, int x, int y) { node->state.y = y; scene_node_damage_whole(node); - scene_node_update_surface_outputs(node); + scene_node_update_outputs(node); } void wlr_scene_node_place_above(struct wlr_scene_node *node, @@ -634,7 +678,7 @@ void wlr_scene_node_reparent(struct wlr_scene_node *node, scene_node_damage_whole(node); - scene_node_update_surface_outputs(node); + scene_node_update_outputs(node); } bool wlr_scene_node_coords(struct wlr_scene_node *node, @@ -968,22 +1012,53 @@ struct wlr_scene_output *wlr_scene_output_create(struct wlr_scene *scene, scene_output->output = output; scene_output->scene = scene; wlr_addon_init(&scene_output->addon, &output->addons, scene, &output_addon_impl); - wl_list_insert(&scene->outputs, &scene_output->link); + + int prev_output_index = -1; + struct wl_list *prev_output_link = &scene->outputs; + + struct wlr_scene_output *current_output; + wl_list_for_each(current_output, &scene->outputs, link) { + if (prev_output_index + 1 != current_output->index) { + break; + } + + prev_output_index = current_output->index; + prev_output_link = ¤t_output->link; + } + + scene_output->index = prev_output_index + 1; + assert(scene_output->index < 64); + wl_list_insert(prev_output_link, &scene_output->link); wlr_output_damage_add_whole(scene_output->damage); return scene_output; } -static void scene_output_send_leave_iterator(struct wlr_surface *surface, - int sx, int sy, void *data) { - struct wlr_output *output = data; - wlr_surface_send_leave(surface, output); +static void scene_node_remove_output(struct wlr_scene_node *node, + struct wlr_scene_output *output) { + if (node->type == WLR_SCENE_NODE_SURFACE) { + struct wlr_scene_surface *scene_surface = + wlr_scene_surface_from_node(node); + wlr_surface_send_leave(scene_surface->surface, output->output); + } else if (node->type == WLR_SCENE_NODE_BUFFER) { + struct wlr_scene_buffer *scene_buffer = + scene_buffer_from_node(node); + uint64_t mask = 1ull << output->index; + if (scene_buffer->active_outputs & mask) { + scene_buffer->active_outputs &= ~mask; + wlr_signal_emit_safe(&scene_buffer->events.output_leave, output); + } + } + + struct wlr_scene_node *child; + wl_list_for_each(child, &node->state.children, state.link) { + scene_node_remove_output(child, output); + } } void wlr_scene_output_destroy(struct wlr_scene_output *scene_output) { - wlr_scene_output_for_each_surface(scene_output, - scene_output_send_leave_iterator, scene_output->output); + scene_node_remove_output(&scene_output->scene->node, scene_output); wlr_addon_finish(&scene_output->addon); wl_list_remove(&scene_output->link); @@ -1013,7 +1088,7 @@ void wlr_scene_output_set_position(struct wlr_scene_output *scene_output, scene_output->y = ly; wlr_output_damage_add_whole(scene_output->damage); - scene_node_update_surface_outputs(&scene_output->scene->node); + scene_node_update_outputs(&scene_output->scene->node); } struct check_scanout_data { |