- Composited windows seem to need to actually paint (or appear to paint) through calls to Begin/EndPaint to properly validate
their update region. If not done they will continue to receive WM_PAINT messages for the same region.
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