SDL3 port#873

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icculus wants to merge 5 commits into

ioquake:mainfrom

Commits on May 20, 2026

Added SDL3 headers.
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Commits on May 21, 2026

Initial SDL3 port.
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Remove SDL2 headers.
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Set voice chat gain on the playback stream, not the recording stream

FRIGN
authored and
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Commits on Jun 20, 2026

github: Use libsdl-org/setup-sdl to provide SDL3 for GitHub Actions builds.
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