From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- contrib/SDL-3.2.8/docs/README-riscos.md | 35 +++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 contrib/SDL-3.2.8/docs/README-riscos.md (limited to 'contrib/SDL-3.2.8/docs/README-riscos.md') diff --git a/contrib/SDL-3.2.8/docs/README-riscos.md b/contrib/SDL-3.2.8/docs/README-riscos.md new file mode 100644 index 0000000..5af80a7 --- /dev/null +++ b/contrib/SDL-3.2.8/docs/README-riscos.md @@ -0,0 +1,35 @@ +RISC OS +======= + +Requirements: + +* RISC OS 3.5 or later. +* [SharedUnixLibrary](http://www.riscos.info/packages/LibraryDetails.html#SharedUnixLibraryarm). +* [DigitalRenderer](http://www.riscos.info/packages/LibraryDetails.html#DRendererarm), for audio support. +* [Iconv](http://www.netsurf-browser.org/projects/iconv/), for `SDL_iconv` and related functions. + + +Compiling: +---------- + +Currently, SDL for RISC OS only supports compiling with GCCSDK under Linux. + +The following commands can be used to build SDL for RISC OS using CMake: + + cmake -Bbuild-riscos -DCMAKE_TOOLCHAIN_FILE=$GCCSDK_INSTALL_ENV/toolchain-riscos.cmake -DRISCOS=ON -DCMAKE_INSTALL_PREFIX=$GCCSDK_INSTALL_ENV -DCMAKE_BUILD_TYPE=Release + cmake --build build-riscos + cmake --install build-riscos + +When using GCCSDK 4.7.4 release 6 or earlier versions, the builtin atomic functions are broken, meaning it's currently necessary to compile with `-DSDL_GCC_ATOMICS=OFF` using CMake. Newer versions of GCCSDK don't have this problem. + + +Current level of implementation +------------------------------- + +The video driver currently provides full screen video support with keyboard and mouse input. Windowed mode is not yet supported, but is planned in the future. Only software rendering is supported. + +The filesystem APIs return either Unix-style paths or RISC OS-style paths based on the value of the `__riscosify_control` symbol, as is standard for UnixLib functions. + +The audio, loadso, thread and timer APIs are currently provided by UnixLib. + +The joystick, locale and power APIs are not yet implemented. -- cgit v1.2.3