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ESDL by Dan Gudmundsson Currently located at http://esdl.sourceforge.net What is it? =========== Esdl is library for accessing SDL (Simple DirectMedia Layer) and OpenGL through Erlang. Simple DirectMedia Layer is a cross-platform multimedia library designed to provide fast access to the graphics framebuffer and audio device. It also do event handling from mouse, keyboards and joysticks. It is also possible to use TrueType fonts through SDL_ttf (www.libsdl.org/projects/SDL_ttf/) and images through SDL_image (www.libsdl.org/projects/SDL_image/). More information can be found at libsdl.org OpenGL is a cross-platform standard for 3D rendering and 3D hardware acceleration. More information can be found at www.opengl.org News ========= 1.3.1: Throw away Makefiles and use rebar for building 1.3: Builds with otp-r15b 1.2: I have removed the opengl specific part from esdl, now esdl requires that wx is available for opengl usage. This means that this release is not backwards compatible with the old release, some gl functions have been changed in wx gl. This is done to only have one gl.erl in your (erlang) system, and it also more up to date with the standard. Actually only wx/ebin/gl.beam wx/ebin/glu.beam and wx/priv/OS/erl_gl.[so|dll] is required. Also using wx's opengl allowed me to create an opengl thread, if the erlang emulator is multithreaded. So now sdl with opengl works for both smp and single threaded erlang. Compilation and Installation ============================= You need erlang (www.erlang.org). This release has only been tested on R16B, it requires R14B version for opengl to work. You need libsdl (www.libsdl.org) (the development package) version > 1.2.5 For windows grab SDL-devel-1.2.15-VC.zip (which work with both gcc and cl and contains both x86 and x64 libs) On Mac OS X, you also must install XQuartz from: http://xquartz.macosforge.org (Needed for the X11 header files.) And optionally you'll need: * SDL_ttf (www.libsdl.org/projects/SDL_ttf/) version > 2.0.7 * SDL_image (www.libsdl.org/projects/SDL_image/) version > 1.2.4 You need rebar, see: github.com/rebar/rebar Build with: rebar compile On windows: =========== SDL_DIR=/opt/local rebar compile (requires Microsoft's SDK) or CC=gcc SDL_DIR=/opt/local rebar compile (requires mingw) also copy SDL.dll to esdl/priv dir or put SDL.dll somewhere in your path. Note: for x64 and mingw-gcc you (currently) can not link against libraries build with MCL so you will need to recreate the dependency libs, see http://sourceforge.net/apps/trac/mingw-w64/wiki/Answer%2064%20bit%20MSVC-generated%20x64%20.lib ::This is currently not supported:: Optionally you'll also need SDL_ttf for the font support and SDL_image for the image support. Note: SDL_ttf and SDL_image are disabled by default, since they depend on libraries not in the plain vanilla SDL packages. By making them optional one can compile and run esdl without having to bother about getting hold of the SDL_ttf and SDL_image libraries. Enable them in the Makefile: ENABLE_SDL_TTF = yes ENABLE_SDL_IMAGE = yes Testing esdl can be done by building the tests in the test directory and running the test programs, example: cd test erl +S1 -pa ../ebin (werl on windows) Erlang (BEAM) emulator version 5.1.1 [threads:0] Eshell V5.1.1 (abort with ^G) 1> testsprite:go(). %% Escape quits 2> testgl:go(). 3> erldemo:go(). 4> testaudio:go(). 5> testjoy:go(). 6> test_ttf:go("/usr/share/fonts/truetype/freefont/FreeSerif.ttf", 20). 7> test_glfont:go("/usr/share/fonts/truetype/freefont/FreeSans.ttf"). 8> test_glimg:go(). Regards /Dan (d g u d @ users.sf.net)