Add the flag "--suspend-when-occluded" to testgl, testgles2, and testsprite, which, when used, will suspend rendering and throttle the event loop when the occlusion flag is set on the window.
Simple DirectMedia Layer is a cross-platform development library designed
to provide low level access to audio, keyboard, mouse, joystick, and graphics
hardware via OpenGL and Direct3D. It is used by video playback software,
emulators, and popular games including Valve's award winning catalog
and many Humble Bundle games.
More extensive documentation is available in the docs directory, starting
with README.md