wlr_scene: Introduce buffer opaque region metadata

This commit is contained in:
Alexander Orzechowski 2022-06-25 23:26:12 -04:00
parent 0a9a941ba3
commit 18417026be
2 changed files with 20 additions and 0 deletions

View file

@ -156,6 +156,7 @@ struct wlr_scene_buffer {
struct wlr_fbox src_box;
int dst_width, dst_height;
enum wl_output_transform transform;
pixman_region32_t opaque_region;
};
struct wlr_scene_output_render_list {
@ -346,6 +347,13 @@ void wlr_scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer,
void wlr_scene_buffer_set_buffer_with_damage(struct wlr_scene_buffer *scene_buffer,
struct wlr_buffer *buffer, pixman_region32_t *region);
/**
* Sets the buffer's opaque region. This is an optimization hint used to
* determine if buffers which reside under this one need to be rendered or not.
*/
void wlr_scene_buffer_set_opaque_region(struct wlr_scene_buffer *scene_buffer,
pixman_region32_t *region);
/**
* Set the source rectangle describing the region of the buffer which will be
* sampled to render this node. This allows cropping the buffer.