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Any parameters (key/value pairs after the '?' in a URL) that have a keyname that starts with `SDL_` will be put into Emscripten's environment variable emulation table at startup, before SDL_main runs. This lets users set hints the same way they might set them from a shell's command line on a desktop platform: For example: `https://example.com/my_sdl3_application.html?SDL_RENDER_DRIVER=software` Fixes #10154.
Simple DirectMedia Layer (SDL) Version 3.0
Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware. 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. If you are migrating to SDL 3.0 from SDL 2.0, the changes are extensively documented in README-migration.md.
Enjoy!
Sam Lantinga (slouken@libsdl.org)
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