From 61dab42c70fd3e0ee211a8b52f387b0c1018510f Mon Sep 17 00:00:00 2001 From: Alexander Orzechowski Date: Thu, 19 May 2022 14:17:51 -0400 Subject: wlr_scene: Add setter for buffer of a wlr_scene_buffer --- include/wlr/types/wlr_scene.h | 8 ++++++++ types/scene/wlr_scene.c | 21 +++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/include/wlr/types/wlr_scene.h b/include/wlr/types/wlr_scene.h index 6cc842b4..eaa7b07c 100644 --- a/include/wlr/types/wlr_scene.h +++ b/include/wlr/types/wlr_scene.h @@ -275,6 +275,14 @@ void wlr_scene_rect_set_color(struct wlr_scene_rect *rect, const float color[sta struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_node *parent, struct wlr_buffer *buffer); +/** + * Sets the buffer's backing buffer. + * + * If the buffer is NULL, the buffer node will not be displayed. + */ +void wlr_scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer, + struct wlr_buffer *buffer); + /** * Set the source rectangle describing the region of the buffer which will be * sampled to render this node. This allows cropping the buffer. diff --git a/types/scene/wlr_scene.c b/types/scene/wlr_scene.c index 777f8cb6..e1e381de 100644 --- a/types/scene/wlr_scene.c +++ b/types/scene/wlr_scene.c @@ -367,6 +367,27 @@ struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_node *parent, return scene_buffer; } +void wlr_scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer, + struct wlr_buffer *buffer) { + if (buffer == scene_buffer->buffer) { + return; + } + + scene_node_damage_whole(&scene_buffer->node); + + wlr_texture_destroy(scene_buffer->texture); + scene_buffer->texture = NULL; + wlr_buffer_unlock(scene_buffer->buffer); + + if (buffer) { + scene_buffer->buffer = wlr_buffer_lock(buffer); + } else { + scene_buffer->buffer = NULL; + } + + scene_node_damage_whole(&scene_buffer->node); +} + void wlr_scene_buffer_set_source_box(struct wlr_scene_buffer *scene_buffer, const struct wlr_fbox *box) { struct wlr_fbox *cur = &scene_buffer->src_box; -- cgit v1.2.3