pub unsafe extern "C" fn graphene_matrix_project_rect(
m: *const graphene_matrix_t,
r: *const graphene_rect_t,
res: *mut graphene_quad_t,
)
pub unsafe extern "C" fn graphene_matrix_project_rect(
m: *const graphene_matrix_t,
r: *const graphene_rect_t,
res: *mut graphene_quad_t,
)