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wlr_scene: Add notes about wlr_scene_rect taking premultiplied colors

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This commit is contained in:
Alexander Orzechowski 2024-10-29 15:15:41 -04:00
parent c1ce983826
commit ebab992b44
1 changed files with 4 additions and 0 deletions
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4
include/wlr/types/wlr_scene.h
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@ -404,6 +404,8 @@ struct wlr_scene_surface *wlr_scene_surface_try_from_buffer(
/** /**
* Add a node displaying a solid-colored rectangle to the scene-graph. * Add a node displaying a solid-colored rectangle to the scene-graph.
*
* The color argument must be a premultiplied color value.
*/ */
struct wlr_scene_rect *wlr_scene_rect_create(struct wlr_scene_tree *parent, struct wlr_scene_rect *wlr_scene_rect_create(struct wlr_scene_tree *parent,
int width, int height, const float color[static 4]); int width, int height, const float color[static 4]);
@ -415,6 +417,8 @@ void wlr_scene_rect_set_size(struct wlr_scene_rect *rect, int width, int height)
/** /**
* Change the color of an existing rectangle node. * Change the color of an existing rectangle node.
*
* The color argument must be a premultiplied color value.
*/ */
void wlr_scene_rect_set_color(struct wlr_scene_rect *rect, const float color[static 4]); void wlr_scene_rect_set_color(struct wlr_scene_rect *rect, const float color[static 4]);