Quad

The following image is an output of cargo run --bin quad --features=gl:

If the environment variable DIRECT_DISPLAY is setted, the example will try to present the image directly on the terminal without windowing system. This path will work only with the vulkan backend, so the --features=vulkan flag need to be used. When launched in this mode, the Gfx logo will be showed for 5 seconds and then the example will close.