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50 lines
2 KiB
Text
50 lines
2 KiB
Text
RetroArch is the reference frontend for the libretro API. Popular
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examples of implementations for this API includes videogame system
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emulators and game engines, but also more generalized 3D programs.
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These programs are instantiated as dynamic libraries. We refer to these
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as "libretro cores".
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libretro is an API that exposes generic audio/video/input callbacks. A
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frontend for libretro (such as RetroArch) handles video output, audio
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output, input and application lifecycle. A libretro core written in
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portable C or C++ can run seamlessly on many platforms with very
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little/no porting effort.
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While RetroArch is the reference frontend for libretro, several other
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projects have used the libretro interface to include support for
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emulators and/or game engines. libretro is completely open and free for
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anyone to use.
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RetroArch will require at least one of the libretro cores to play any games.
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Cores alternatively can be downloaded with the online updater from the
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libretro buildbot instead of being compiled with slackbuilds. This will
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require the core directory to be writable and is incompatible with the
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libretro slackbuilds. The buildbot can be used with:
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BUILDBOT=1 ./RetroArch.SlackBuild
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To build debugging symbols for RetroArch use:
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DEBUG=1 ./RetroArch.SlackBuild
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Some optional dependencies include:
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ffmpeg jack-audio-connection-kit libxkbcommon miniupnpc nvidia-cg-toolkit
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python3 SDL2 wayland
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Python3 support for shaders will need to be enabled with:
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PYTHON=1 ./RetroArch.SlackBuild
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Note: Wayland support requires mesa to be rebuilt with Wayland support,
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using the following configure parameters.
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--with-egl-platforms=x11,drm,wayland
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Retroarch optionally supports using OpenGL ES 2 and OpenGL ES 3 instead of
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OpenGL which will require video card and driver support. This can be done
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by building RetroArch with:
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GLES=1 ./RetroArch.SlackBuild
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or
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GLES3=1 ./RetroArch.SlackBuild
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RetroArch optionally supports using Vulkan instead of OpenGL, but
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Slackware does not yet provide any Vulkan support, so providing the
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correct build environment is up to you.
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