diff options
| -rw-r--r-- | wlr_scene.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/wlr_scene.c b/wlr_scene.c index 89aae84..3f662ce 100644 --- a/wlr_scene.c +++ b/wlr_scene.c @@ -552,23 +552,32 @@ void wlr_scene_buffer_set_buffer_with_damage(struct wlr_scene_buffer *scene_buff // coordinates. assert(buffer || !damage); - if (buffer != scene_buffer->buffer) { - wlr_texture_destroy(scene_buffer->texture); - scene_buffer->texture = NULL; - wlr_buffer_unlock(scene_buffer->buffer); + if (buffer == scene_buffer->buffer) { + return; + } - if (buffer) { - scene_buffer->buffer = wlr_buffer_lock(buffer); - } else { - scene_buffer->buffer = NULL; - } + bool update = false; + wlr_buffer_unlock(scene_buffer->buffer); - if (!damage) { - scene_node_update(&scene_buffer->node, NULL); - } + if (buffer) { + // if this node used to not be mapped or its previous displayed + // buffer region will be different from what the new buffer would + // produce we need to update the node. + update = !scene_buffer->buffer || + (scene_buffer->dst_width == 0 && scene_buffer->dst_height == 0 && + (scene_buffer->buffer->width != buffer->width || + scene_buffer->buffer->height != buffer->height)); + + scene_buffer->buffer = wlr_buffer_lock(buffer); + } else { + update = true; + scene_buffer->buffer = NULL; } - if (!damage) { + if (update) { + scene_node_update(&scene_buffer->node, NULL); + // updating the node will already damage the whole node for us. Return + // early to not damage again return; } @@ -577,6 +586,12 @@ void wlr_scene_buffer_set_buffer_with_damage(struct wlr_scene_buffer *scene_buff return; } + pixman_region32_t fallback_damage; + pixman_region32_init_rect(&fallback_damage, 0, 0, buffer->width, buffer->height); + if (!damage) { + damage = &fallback_damage; + } + struct wlr_fbox box = scene_buffer->src_box; if (wlr_fbox_empty(&box)) { box.x = 0; @@ -633,6 +648,7 @@ void wlr_scene_buffer_set_buffer_with_damage(struct wlr_scene_buffer *scene_buff } pixman_region32_fini(&trans_damage); + pixman_region32_fini(&fallback_damage); } void wlr_scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer, |