Method set

sdl/src/console.rs:305–320

()

        /// Initializes per-test global state.
        #[allow(unsafe_code)]
        fn set() -> Self {
            let previous_sdl_videodriver = env::var_os("SDL_VIDEODRIVER");
            let previous_sdl_render_driver = env::var_os("SDL_RENDER_DRIVER");
            // The global `TEST_LOCK` guarantees that no other SDL test mutates the process
            // environment while these values are temporarily overridden.
            unsafe {
                // On Windows, the SDL2 library that we use doesn't have offscreen support
                // and, on macOS, offscreen fails to initialize as it needs OpenGL to be
                // present.  So... for now, only do the nice thing on Linux.
                if cfg!(target_os = "linux") {
                    env::set_var("SDL_VIDEODRIVER", "offscreen");
                    env::set_var("SDL_RENDER_DRIVER", "software");
                }
            }
            Self { previous_sdl_videodriver, previous_sdl_render_driver }
        }
    }

    impl Drop for TestLockState {