7da09a7f45
For GL+Linux, PlatformGLX will try to open an X11 window regardless of whether we are doing headless/offscreen rendering or not. Here we add an OSMesa platform, which will allow us to avoid opening any window on Linux. This is particularly useful for situation where a display is not available, like for CI. One important detail is that even though we are displaying through a window, we keep the SDL2 dependency in tact for gltf_viewer. This is due to the fact that gltf_viewer is built upon FilamentApp, which is heavily integrated with SDL2. This is mostly ok since we won't be hitting any path for opening a window due to gltf_viewer's existing support for headless mode.
Simple DirectMedia Layer
(SDL)
Version 2.0
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https://www.libsdl.org/
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
Enjoy!
Sam Lantinga (slouken@libsdl.org)