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RetroArch is the reference frontend for the libretro API. Popular
examples of implementations for this API includes videogame system
emulators and game engines, but also more generalized 3D programs.
These programs are instantiated as dynamic libraries. We refer to these
as "libretro cores".
libretro is an API that exposes generic audio/video/input callbacks. A
frontend for libretro (such as RetroArch) handles video output, audio
output, input and application lifecycle. A libretro core written in
portable C or C++ can run seamlessly on many platforms with very
little/no porting effort.
While RetroArch is the reference frontend for libretro, several other
projects have used the libretro interface to include support for
emulators and/or game engines. libretro is completely open and free for
anyone to use.
RetroArch will require at least one of the libretro cores to play any
games.
To build debugging symbols for RetroArch use:
DEBUG=yes ./RetroArch.SlackBuild
If building debugging symbols asan can also be built:
DEBUG=yes ASAN=yes ./RetroArch.SlackBuild
Optional dependencies:
ffmpeg jack-audio-connection-kit libxkbcommon miniupnpc
nvidia-cg-toolkit OpenAL python3 qt5 SDL2 vulkansdk wayland
Python3 support for shaders will need to be enabled with:
PYTHON=yes ./RetroArch.SlackBuild
If pulseaudio is installed it can be disabled during the build with:
PULSE=no ./RetroArch.SlackBuild
Alternatively pulseaudio can be disabled later in RetroArch's
configuration.
Note: Wayland support requires mesa to be rebuilt with Wayland support,
using the following configure parameters.
--with-egl-platforms=x11,drm,wayland
Retroarch optionally supports using OpenGL ES 2 and OpenGL ES 3 instead
of OpenGL which will require video card and driver support. This can be
done by building RetroArch with:
GLES=yes ./RetroArch.SlackBuild
or
GLES3=yes ./RetroArch.SlackBuild
RetroArch optionally supports using Vulkan instead of OpenGL, this will
require the vulkansdk from SBo and support for your video card and
driver.
For additional notes, please see README.SLACKWARE.
For more information on RetroArch or libretro please visit this site.
https://docs.libretro.com/
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