annotate README @ 1555:780fd5b61df1

Fixed bug #89 Date: Sun, 23 Oct 2005 16:39:03 +0200 From: "A. Schmid" <sahib@phreaker.net> Subject: [SDL] no software surfaces with svgalib driver? Hi, I noticed that the SDL (1.2.9) svgalib driver only makes use of linear addressable (framebuffer) video modes. On older systems (like one of mine), linear addressable modes are often not available. Especially for cards with VESA VBE < 2.0 the svgalib vesa driver is unusable, since VESA only supports framebuffering for VBE 2.0 and later. The changes necessary to add support for software surfaces seem to be relatively small. I only had to hack src/video/svga/SDL_svgavideo.c (see attached patch). The code worked fine for me, but it is no more than a proof of concept and should be reviewed (probably has a memory leak when switching modes). It also uses the vgagl library (included in the svgalib package) and needs to be linked against it. -Alex
author Sam Lantinga <slouken@libsdl.org>
date Sun, 19 Mar 2006 12:05:16 +0000
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2 Simple DirectMedia Layer
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4 (SDL)
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6 Version 1.2
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8 ---
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9 http://www.libsdl.org/
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11 This is the Simple DirectMedia Layer, a general API that provides low
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12 level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL,
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13 and 2D framebuffer across multiple platforms.
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15 SDL is written in C, but works with C++ natively, and has bindings to
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16 several other languages, including Ada, C#, Eiffel, Java, Lua, ML,
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17 Objective C, Pascal, Perl, PHP, Pike, Python, and Ruby.
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19 The current version supports Linux, Windows, BeOS, MacOS, MacOS X,
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20 FreeBSD, OpenBSD, BSD/OS, Solaris, IRIX, and QNX. The code contains
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21 support for Windows CE, AmigaOS, Dreamcast, Atari, NetBSD, AIX, OSF/Tru64,
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22 RISC OS, SymbianOS, and OS/2, but these are not officially supported.
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24 This library is distributed under GNU LGPL version 2, which can be
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25 found in the file "COPYING". This license allows you to use SDL
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26 freely in commercial programs as long as you link with the dynamic
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27 library.
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29 The best way to learn how to use SDL is to check out the header files in
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30 the "include" subdirectory and the programs in the "test" subdirectory.
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31 The header files and test programs are well commented and always up to date.
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32 More documentation is available in HTML format in "./docs/index.html"
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34 The test programs in the "test" subdirectory are in the public domain.
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36 Frequently asked questions are answered online:
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37 http://www.libsdl.org/faq.php
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39 If you need help with the library, or just want to discuss SDL related
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40 issues, you can join the developers mailing list:
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41 http://www.libsdl.org/mailing-list.php
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43 Enjoy!
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44 Sam Lantinga (slouken@libsdl.org)
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