matrix: deprecate wlr_matrix_projection
This function has baked-in GL assumptions. Compositors shouldn't
need to use it.
@@ -44,7 +44,10 @@ void wlr_matrix_transform(float mat[static 9],
enum wl_output_transform transform);
/** Writes a 2D orthographic projection matrix to mat of (width, height) with a
- * specified wl_output_transform*/
+ * specified wl_output_transform.
+ *
+ * Deprecated: this function is deprecated and will be removed in a future
+ * version of wlroots. */
void wlr_matrix_projection(float mat[static 9], int width, int height,
enum wl_output_transform transform);
