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-rw-r--r--include/wlr/types/wlr_output.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h
index 71463cb5..4c59d98b 100644
--- a/include/wlr/types/wlr_output.h
+++ b/include/wlr/types/wlr_output.h
@@ -136,4 +136,11 @@ enum wl_output_transform wlr_output_transform_invert(
enum wl_output_transform wlr_output_transform_compose(
enum wl_output_transform tr_a, enum wl_output_transform tr_b);
+/**
+ * Get a matrix suitable for rendering a box on the output.
+ */
+void wlr_output_get_box_matrix(struct wlr_output *output, int ox, int oy,
+ int width, int height, enum wl_output_transform transform,
+ float rotation, float (*mat)[16]);
+
#endif