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scene: add scene outputs

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These allow describing an output's viewport inside the scene-graph.
This commit is contained in:
Simon Ser 2021-08-17 12:24:11 +02:00 • committed by Simon Zeni
parent 872993f95d
commit 968c1df7e9
2 changed files with 74 additions and 1 deletions
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29
include/wlr/types/wlr_scene.h
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@ -56,6 +56,8 @@ struct wlr_scene_node {
/** The root scene-graph node. */
struct wlr_scene {
struct wlr_scene_node node;
struct wl_list outputs; // wlr_scene_output.link
};
/** A scene-graph node displaying a single surface. */
@ -75,6 +77,16 @@ struct wlr_scene_rect {
float color[4];
};
/** A viewport for an output in the scene-graph */
struct wlr_scene_output {
struct wlr_output *output;
struct wl_list link; // wlr_scene.outputs
struct wlr_scene *scene;
struct wlr_addon addon;
int x, y;
};
typedef void (*wlr_scene_node_iterator_func_t)(struct wlr_scene_node *node,
int sx, int sy, void *data);
@ -161,4 +173,21 @@ void wlr_scene_rect_set_size(struct wlr_scene_rect *rect, int width, int height)
*/
void wlr_scene_rect_set_color(struct wlr_scene_rect *rect, const float color[static 4]);
/**
* Add a viewport for the specified output to the scene-graph.
*
* An output can only be added once to the scene-graph.
*/
struct wlr_scene_output *wlr_scene_output_create(struct wlr_scene *scene,
struct wlr_output *output);
/**
* Destroy a scene-graph output.
*/
void wlr_scene_output_destroy(struct wlr_scene_output *scene_output);
/**
* Set the output's position in the scene-graph.
*/
void wlr_scene_output_set_position(struct wlr_scene_output *scene_output,
int lx, int ly);
#endif