docs.html
author Sam Lantinga <slouken@libsdl.org>
Thu, 01 Aug 2002 23:06:39 +0000
changeset 431 41cadcba32e8
parent 373 c638fde8a824
child 433 706de3956894
permissions -rw-r--r--
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
     1 <HTML>
     2 <HEAD><TITLE>SDL Stable Release</TITLE></HEAD>
     3 <BODY BGCOLOR="#FFEBCD" TEXT="#000000">
     4 
     5 <IMG SRC="docs/images/rainbow.gif" ALT="[separator]" WIDTH="100%">
     6 <P>
     7 This source is in development.  It may contain API changes, and may not be
     8 fully tested on all supported platforms.  The current stable release may
     9 be found at the <A HREF="http://www.libsdl.org/"> main SDL page</A>.
    10 <P>
    11 
    12 <H2> <A HREF="docs/index.html">API Documentation</A> </H2>
    13 <P>
    14 
    15 <H2>
    16 Major changes since SDL 1.0.0:
    17 </H2>
    18 <UL>
    19 	<LI> 1.2.5: Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
    20 	<LI> 1.2.5: Fixed setting OpenGL mode multiple times on Windows
    21 	<LI> 1.2.5: Added support for Qtopia on embedded systems (thanks David!)
    22 	<LI> 1.2.4: Added initial support for Atari (thanks Patrice!)
    23 	<LI> 1.2.4: Added support for building SDL for EPOC/SymbianOS 6.0
    24 	<LI> 1.2.4: SDL now compiles and works cleanly on stock BSDI
    25 	<LI> 1.2.4: Added support for joysticks on *BSD (thanks Wilbern!)
    26 	<LI> 1.2.4: Added support for Xi Graphics XME fullscreen extension
    27 	<LI> 1.2.4: Incorporated XFree86 extension libraries into the source
    28 	<LI> 1.2.4: Dynamically load sound daemon audio drivers on UNIX
    29 	<LI> 1.2.4: David Snopek added Borland compiler support
    30 	<LI> 1.2.4: Updated for Watcom and LCC compilers (thanks Jean-Pierre)
    31 	<LI> 1.2.4: Added a YUV overlay test program (thanks Jon!)
    32 	<LI> 1.2.4: Fixed gamma ramps in DirectX windowed and OpenGL modes
    33 	<LI> 1.2.4: John Popplewell fixed mousewheel support on Windows
    34 	<LI> 1.2.4: Disabled QueryPerformanceCounter() due to problems on Win2K
    35 	<LI> 1.2.4: Fixed Windows OpenGL mouse cursor/position mismatch bug
    36 	<LI> 1.2.4: Fixed display settings with ALT-tab and OpenGL on Windows
    37 	<LI> 1.2.4: Fixed timeout in Linux condition variable implementation
    38 	<LI> 1.2.4: Fixed bug in joystick detection code under Linux
    39 	<LI> 1.2.4: Fix crash with Linux supermount fstab entries (thanks Erno!)
    40 	<LI> 1.2.4: Fixed X11 crash updating rectangles of zero height (thanks Mattias!)
    41 	<LI> 1.2.4: Fixed spurious keypress at startup on BeOS
    42 	<LI> 1.2.4: MacOS audio locking has been implemented by Ryan Gordon
    43 	<LI> 1.2.4: Fixed "short jump out of range" error in MMX code (thanks Steven)
    44 	<LI> 1.2.4: Specify the SDL API calling convention (C by default)
    45 	<LI> 1.2.4: Updated autogen.sh for new versions of automake
    46 	<LI> 1.2.4: Fixed SDL 1.1 RPM dependency problem (thanks Edward!)
    47 	<LI> 1.2.3: Added X11 Xinerama support - fullscreen starts on screen 0
    48 	<LI> 1.2.3: Added platform independent OpenGL header - SDL_opengl.h
    49 	<LI> 1.2.3: Fixed flashing the screen when creating a window on BeOS
    50 	<LI> 1.2.3: Added double-buffering support for SVGAlib (thanks Kutak!)
    51 	<LI> 1.2.3: Fixed crash when using double-buffering with DGA
    52 	<LI> 1.2.3: Fixed resuming a paused CD on Win2K (thanks Aragorn)
    53 	<LI> 1.2.3: Improved MacOS international keyboard handling (thanks Max!)
    54 	<LI> 1.2.3: Added support for the GNU Pth thread lib (thanks Mandin!)
    55 	<LI> 1.2.3: Added the Undo key for the Atari keyboard (thanks Mandin!)
    56 	<LI> 1.2.3: Fixed XVideo on GeForce by using last available adaptor
    57 	<LI> 1.2.3: Added CD-ROM support for BSD/OS (thanks Steven!)
    58 	<LI> 1.2.3: Added library version information to the Windows DLL
    59 	<LI> 1.2.3: Added initial support for EPOC/Symbian OS (thanks Hannu!)
    60 	<LI> 1.2.3: Added a joystick driver for MacOS X (thanks Max!)
    61 	<LI> 1.2.3: Improved MacOS X international keyboard handling
    62 	<LI> 1.2.3: Added support for DirectFB video on Linux (thanks Denis!)
    63 	<LI> 1.2.3: Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
    64 	<LI> 1.2.3: Fixed the system dependent SDL_WINDOWID hack on Windows
    65 	<LI> 1.2.3: Added 640x480 as a scaled resolution for NTSC/PAL output 
    66 	<LI> 1.2.3: Added support for TV output on the Linux PlayStation Beta
    67 	<LI> 1.2.3: Added initial NVidia acceleration on framebuffer console
    68 	<LI> 1.2.3: Fixed audio format selection for OpenBSD (thanks Peter!)
    69 	<LI> 1.2.2: Fixed crash when quitting fullscreen mode on MacOS X
    70 	<LI> 1.2.2: Fixed fullscreen mouse events on MacOS X
    71 	<LI> 1.2.2: Now returns an error if unable to open audio on BeOS
    72 	<LI> 1.2.2: Fixed keyboard input translation on WinCE (thanks Rainer!)
    73 	<LI> 1.2.2: Now gets correct keyboard state when starting up on X11
    74 	<LI> 1.2.2: Improved the DGA 2.0 and framebuffer console drivers
    75 	<LI> 1.2.2: Improved the OpenBSD port (native audio default, etc.)
    76 	<LI> 1.2.2: Improved OSS audio driver support, thanks to 4Front Tech.
    77 	<LI> 1.2.2: Improved X11 fullscreen support, works better with KDE
    78 	<LI> 1.2.2: Improved SDL_GetTicks() resolution on W2K (thanks Holger!)
    79 	<LI> 1.2.2: Added FreeBSD VGL video driver from FreeBSD ports
    80 	<LI> 1.2.1: Added Linux PlayStation 2 Graphics Synthesizer support
    81 	<LI> 1.2.1: Added an audio driver that writes to disk (thanks Ryan!)
    82 	<LI> 1.2.1: Mouse wheel sends mouse button (4/5) events on Windows
    83 	<LI> 1.2.1: Added MacOS X Project Builder projects (thanks Darrell!)
    84 	<LI> 1.2.1: Added initial support for Quartz video (thanks Darrell!)
    85 	<LI> 1.2.1: Disabled Linux /dev/event joystick interface by default
    86 	<LI> 1.2.1: Added native OpenBSD audio driver (thanks vedge!)
    87 	<LI> 1.2.1: Added detection of Open Sound System on Solaris x86
    88 	<LI> 1.2.1: Added initial support for Nano-X (thanks Hsieh-Fu!)
    89 	<LI> 1.2.1: Fixed endian detection on IA64 architectures (thanks Bill!)
    90 	<LI> 1.2.1: Added --disable-dga configure option to disable DGA
    91 	<LI> 1.2.1: Fixed stuck keys when changing the video mode
    92 	<LI> 1.2.1: Fixed double-mouse event bug on Windows using OpenGL
    93 	<LI> 1.2.1: Fixed 320x200 video mode on framebuffer console
    94 	<LI> 1.2.1: Improved robustness for the ELO touchpad (thanks Alex!)
    95 	<LI> 1.2.1: Added support for building under Cygwin on Windows
    96 	<LI> 1.2.1: Added a dummy video driver for benchmarking (thanks Ryan!)
    97 	<LI> 1.2.1: Fixed fullscreen cursor offset bug on BeOS
    98 	<LI> 1.2.0: Added initial support for HP-UX (thanks Stephanie)
    99 	<LI> 1.2.0: Added initial support for BSDI (thanks Kurt)
   100 	<LI> 1.2.0: Fixed blitting 32-bit ARGB images to SDL_OPENGLBLIT screens
   101 	<LI> 1.2.0: Fixed automake build dependencies (thanks Markus!)
   102 	<LI> 1.2.0: Added 24 bpp support to software YUV display functions
   103 	<LI> 1.2.0: Don't bomb trying to get DGA mouse on XFree86 4.0
   104 	<LI> 1.2.0: Added initial support for OSF/Tru64 (thanks Anders)
   105 	<LI> 1.1.8: Fixed joystick hat motion on MacOS
   106 	<LI> 1.1.8: Don't detect mouse and keyboard as joystick on MacOS
   107 	<LI> 1.1.8: Check for OpenGL 1.2 before using 16-bit SDL_OPENGLBLIT
   108 	<LI> 1.1.8: Added support for /dev/sound/* in Linux 2.4
   109 	<LI> 1.1.8: Fixed crash when blitting to RLE encoded surfaces
   110 	<LI> 1.1.8: Fixed 8-bit audio on MacOS X
   111 	<LI> 1.1.8: Fixed keyboard handling on MacOS X and MacOS classic
   112 	<LI> 1.1.8: Fixed mouse cursor visibility when switching apps on MacOS
   113 	<LI> 1.1.8: Implemented semaphore support on MacOS X
   114 	<LI> 1.1.8: Worked around broken sem_getvalue() on MacOS X
   115 	<LI> 1.1.8: Fixed 16-bit big-endian audio on MacOS X and MacOS classic
   116 	<LI> 1.1.8: Fixed mutex locking on Linux glibc 2.0
   117 	<LI> 1.1.8: SDL_Quit() removes the parachute signal handlers
   118 	<LI> 1.1.8: Added NAS audio server support (thanks Erik!)
   119 	<LI> 1.1.8: Added SDL_NOFRAME for frameless windows (thanks Andreas)
   120 	<LI> 1.1.8: Added support for resizable windows on MacOS
   121 	<LI> 1.1.8: Added a function to query the surface clip rectangle
   122 	<LI> 1.1.8: Added a function to query the current event filter
   123 	<LI> 1.1.8: The X11 XVideo adapter is now locked (thanks Jeffrey)
   124 	<LI> 1.1.8: Improved the speed of fullscreen OpenGL on Windows
   125 	<LI> 1.1.8: Added ELO touchscreen support for fbcon (thanks Alex)
   126 	<LI> 1.1.8: Added accelerated MacOS X OpenGL support
   127 	<LI> 1.1.8: Surface lock and unlock operations can now be nested
   128 	<LI> 1.1.8: Optimized fillrect for PPC video memory (thanks Mattias)
   129 	<LI> 1.1.8: Work around "blackout" problem with XVideo acceleration
   130 	<LI> 1.1.8: Obtain correct key state on X11 focus (thanks Mattias)
   131 	<LI> 1.1.8: Fixed keyboard handling on the framebuffer console
   132 	<LI> 1.1.8: Added basic support for VGA16 framebuffer console
   133 	<LI> 1.1.8: Open a new virtual terminal if possible on fbcon
   134 	<LI> 1.1.8: Fixed default audio driver on FreeBSD (thanks Maxim)
   135 	<LI> 1.1.8: Fixed joystick crash on Windows (thanks Pete)
   136 	<LI> 1.1.7: Expanded documentation from the SDL Documentation Project
   137 	<LI> 1.1.7: Report X11 client message events if SYSWMEVENTS enabled
   138 	<LI> 1.1.7: Added support for a single hat on Windows joysticks
   139 	<LI> 1.1.7: The gamma ramp routines now take arrays of Uint16 values
   140 	<LI> 1.1.7: Added initial support for QNX RTP (thanks Patrick)
   141 	<LI> 1.1.7: Added ALSA sound driver (thanks Patrick Trainor)
   142 	<LI> 1.1.7: Added aRts UNIX sound driver (thanks Neil Stevens)
   143 	<LI> 1.1.7: Get keyboard modifier state on input focus on Win32
   144 	<LI> 1.1.7: SDL_ConvertSurface() now accepts SDL_RLEACCEL as a flag
   145 	<LI> 1.1.7: Added initial UnixWare 7 support (thanks rr)
   146 	<LI> 1.1.7: Added working YUY -> RGB conversion code (thanks Eugene)
   147 	<LI> 1.1.7: Fixed video initialization crash on IRIX
   148 	<LI> 1.1.7: Fixed MacOS fullscreen palette code (thanks Darrell)
   149 	<LI> 1.1.7: Fixed background brush flicker on Win32 (thanks Gautier)
   150 	<LI> 1.1.7: Fixed incorrect pitch when switching to window on Win32
   151 	<LI> 1.1.7: Fixed memory leak when switching video modes on Win32
   152 	<LI> 1.1.7: Init of fbcon shouldn't automatically set graphics mode
   153 	<LI> 1.1.6: Allow SDL_VIDEO_INIT when built without thread support
   154 	<LI> 1.1.6: Fixed palette problems with non-X11 fullscreen displays
   155 	<LI> 1.1.6: Fixed Win32 crash with SDL_OPENGLBLIT and GL functions
   156 	<LI> 1.1.6: Improved default MacOS millisecond time resolution
   157 	<LI> 1.1.6: Fixed X11 overlapping endian blit bug (thanks Mattias)
   158 	<LI> 1.1.6: Fixed starting directory on BeOS (thanks Samuel)
   159 	<LI> 1.1.6: Integrated FreeBSD SVGAlib support (thanks folks)
   160 	<LI> 1.1.6: Fixed middle-button handling on DirectInput
   161 	<LI> 1.1.6: Added SDL_GetThreadID() to get a specific thread's ID
   162 	<LI> 1.1.6: Worked around a crash in pthreads on RedHat 7
   163 	<LI> 1.1.6: Fixed a brown-bag crash in clipping code
   164 	<LI> 1.1.5: Convert from '/' to ':' opening files on MacOS
   165 	<LI> 1.1.5: Clean up empty output files on Win32 and MacOS 
   166 	<LI> 1.1.5: Run command dialog if command key on startup on MacOS
   167 	<LI> 1.1.5: Initial NetBSD support (thanks Krister Walfridsson)
   168 	<LI> 1.1.5: Expanded the YUV overlay to handle odd (ATI) hardware
   169 	<LI> 1.1.5: Fixed MacOS GL attribute selection (thanks Darrell)
   170 	<LI> 1.1.5: Implemented gamma correction on 8-bit hardware displays
   171 	<LI> 1.1.5: Performed logical/physical palette split (thanks Mattias)
   172 	<LI> 1.1.5: Added initial MacOS X support (thanks Stan)
   173 	<LI> 1.1.5: SDL_WarpMouse() now works on BeOS (thanks Christian)
   174 	<LI> 1.1.5: Windows GDI driver now supports 565 modes (thanks Ben)
   175 	<LI> 1.1.5: Correctly load OpenGL extensions on Win32 (thanks Beosil)
   176 	<LI> 1.1.5: Fixed crash with some threaded audio drivers
   177 	<LI> 1.1.5: Audio is now closed in SDL_Quit(), if necessary
   178 	<LI> 1.1.5: Win32 version now uses MSVC multi-threaded DLL runtime
   179 	<LI> 1.1.5: Replaced useless SDL_SetClipping() with SDL_SetClipRect()
   180 	<LI> 1.1.5: Added a flag to YUV overlays to show hardware support
   181 	<LI> 1.1.5: Added SDL_WasInit() to see what is currently initialized
   182 	<LI> 1.1.5: YUV overlays can now be accelerated with DirectX
   183 	<LI> 1.1.5: YUV overlays now have working pitch (thanks Vivien)
   184 	<LI> 1.1.5: Prompt the user if MacOS mode change may damage hardware
   185 	<LI> 1.1.5: Fixed DrawSprocket video mode lists and mode changes
   186 	<LI> 1.1.5: Added DrawSprocket acceleration of colorkey blits
   187 	<LI> 1.1.5: MacOS event handling is much more responsive by default
   188 	<LI> 1.1.5: MacOS modifier keys now generate key events
   189 	<LI> 1.1.5: Mattias Engdegård did the "Great Alpha Flip"
   190 	<LI> 1.1.5: Added SDL_DisplayFormatAlpha() for fast alpha blits
   191 	<LI> 1.1.5: Added SDL_MapRGBA() and SDL_GetRGBA() to handle alpha
   192 	<LI> 1.1.5: SDL_SetAlpha() now accepts the SDL_RLEACCEL flag
   193 	<LI> 1.1.5: Blit semantics involving alpha are now well defined
   194 	<LI> 1.1.5: Added support for X11 DirectColor visuals for gamma API
   195 	<LI> 1.1.5: Added initial AmigaOS support (thanks Gabriele Greco)
   196 	<LI> 1.1.5: Added an initial gamma correction API (thanks Daniel)
   197 	<LI> 1.1.5: Disable DGA mouse while X11 application is iconified
   198 	<LI> 1.1.5: Allow 16-bit audio on Solaris (thanks Mattias)
   199 	<LI> 1.1.5: Added RLE acceleration of alpha blits (thanks Mattias)
   200 	<LI> 1.1.5: New documentation from the SDL Documentation Project
   201 	<LI> 1.1.4: Work around window resize bug in KDE 1.2
   202 	<LI> 1.1.4: Command-click is interpreted as right click on MacOS
   203 	<LI> 1.1.4: Removed ESounD detection on Solaris
   204 	<LI> 1.1.4: Updated to libtool 1.3.5 and latest config.guess
   205 	<LI> 1.1.4: testgl now works on 8-bit displays under X11
   206 	<LI> 1.1.4: SDL_WINDOWID hack now works with OpenGL on Linux
   207 	<LI> 1.1.4: Builds correctly on UNIX without X11 installed
   208 	<LI> 1.1.4: Fixed default GL driver loading on Win32
   209 	<LI> 1.1.4: Implemented fullscreen toggle on BeOS (thanks David)
   210 	<LI> 1.1.4: No longer use DirectDraw with OpenGL modes on Win32
   211 	<LI> 1.1.4: Added support for 320x200x8 in SVGAlib (thanks Michele)
   212 	<LI> 1.1.4: Implemented resizable windows on BeOS (thanks David)
   213 	<LI> 1.1.4: RLE colorkey encoding reduces memory use (thanks Mattias)
   214 	<LI> 1.1.4: The CD track length variable is now 32-bits (thanks Martin)
   215 	<LI> 1.1.4: Fixed crashing bug in Win32 semaphores (thanks Markus)
   216 	<LI> 1.1.4: Disabled aggresive gcc optimizations on X86
   217 	<LI> 1.1.4: Added support for blitting with GL (thanks Daniel Vogel)
   218 	<LI> 1.1.4: Improved the speed of the 16-bit colorkey copy blit
   219 	<LI> 1.1.4: Fixed pthread condition variable timeout
   220 	<LI> 1.1.3: Use timeGetTime() instead of GetTickCount() on Win32
   221 	<LI> 1.1.3: Release mouse when popped out of fullscreen on X11
   222 	<LI> 1.1.3: IRIX 6.5 and FreeBSD 4.0 are now officially supported
   223 	<LI> 1.1.3: Added optimization flags when compiling on x86 with gcc
   224 	<LI> 1.1.3: On BeOS, change to app directory when launched by Tracker
   225 	<LI> 1.1.3: Hold the option key on launch to get dialog on MacOS
   226 	<LI> 1.1.3: Added DrawSprockets on MacOS (thanks Darrell Walisser)
   227 	<LI> 1.1.3: Added support for Linux 2.4 input interface (HID)
   228 	<LI> 1.1.3: Fixed 24-bpp blits on big-endian systems (thanks Mattias)
   229 	<LI> 1.1.3: Don't try to use DGA mouse support on XFree86 4.00
   230 	<LI> 1.1.3: Don't create an X11 shared memory buffer for GL displays
   231 	<LI> 1.1.3: Framebuffer console acceleration disabled (broken) on G200
   232 	<LI> 1.1.3: Allow maximize on resizable Win32 surfaces (thanks Randi)
   233 	<LI> 1.1.3: Much faster RLE colorkey blit (thanks Xark and Mattias)
   234 	<LI> 1.1.3: Fixed some problems with iconification and focus in X11
   235 	<LI> 1.1.3: Added IMPS/2 protocol support for framebuffer console
   236 	<LI> 1.1.3: Added user-resizable video mode support
   237 	<LI> 1.1.3: Added arbitrary scaling of YUV overlay surfaces
   238 	<LI> 1.1.3: Added support for semaphores and condition variables
   239 	<LI> 1.1.3: Added SDL_ASYNCBLIT flag for asynchronous video updates
   240 	<LI> 1.1.3: Don't let the WM place window in X11 fullscreen mode
   241 	<LI> 1.1.3: Unload GL library after X11 display has closed
   242 	<LI> 1.1.3: Fixed X11 error when a clipped rectangle is updated
   243 	<LI> 1.1.3: Fixed crash when surface memory can't be allocated
   244 	<LI> 1.1.3: Added a check for DirectX 5 audio (thanks Markus)
   245 	<LI> 1.1.3: Added inline MMX assembly for YUV -> RGB conversion
   246 	<LI> 1.1.3: Fixed startup crash in X11_RefreshDisplay()
   247 	<LI> 1.1.3: SDL_Init(SDL_INIT_AUDIO) no longer fails with no soundcard
   248 	<LI> 1.1.3: Initial YUV video overlay support (supports XvImages)
   249 	<LI> 1.1.3: Fixed BadMatch X11 error with GLX 1.3
   250 	<LI> 1.1.3: Worked around incompatibilities with XFree86 4.0 vidmode
   251 	<LI> 1.1.3: The audio Makefile no longer takes forever to create
   252 	<LI> 1.1.3: The joystick hat positions changed to constants
   253 	<LI> 1.1.3: Fixed overlapping copy blit with odd widths
   254 	<LI> 1.1.3: Fix for SDL_WINDOWID crash contributed by Mattias
   255 	<LI> 1.1.3: Speeded up 32-bit alpha channel blits by nearly 100%
   256 	<LI> 1.1.3: Added experimental DGA 2.0 support (set SDL_VIDEODRIVER)
   257 	<LI> 1.1.2: Fixed crash running on NT with a read-only filesystem
   258 	<LI> 1.1.2: Re-use thread creation mutex on glibc-2.0 systems
   259 	<LI> 1.1.2: SDL_WM_SetIcon() now uses icon colorkey if mask is NULL
   260 	<LI> 1.1.2: Win32 relative mouse mode fixes (thanks Randi Relander)
   261 	<LI> 1.1.2: Not being able to set audio frags is no longer fatal
   262 	<LI> 1.1.2: Added support for multiple timers (thanks Stephane Peter)
   263 	<LI> 1.1.2: Copy blits optimized using inline assembly on x86 Linux
   264 	<LI> 1.1.2: Copy blit can now handle overlapping blits
   265 	<LI> 1.1.2: Fixed GL direct rendering on Utah GLX (thanks John Fulmer)
   266 	<LI> 1.1.2: Added unofficial support for AIX (thanks Carsten Griwodz)
   267 	<LI> 1.1.2: Enabled X11 VidMode extension on remote displays
   268 	<LI> 1.1.2: Load libGL.so.1 under X11 if an app isn't linked with GL
   269 	<LI> 1.1.2: Don't restack windows in the X11 environment
   270 	<LI> 1.1.2: Multiple X11 visual support (thanks Mattias Engdegård)
   271 	<LI> 1.1.0: Internal event state is updated before filter is called
   272 	<LI> 1.1.0: Worked around DGA mouse cursor bug in Voodoo X server
   273 	<LI> 1.1.0: Added SDL OpenGL documentation (thanks Nicholas Vining)
   274 	<LI> 1.1.0: Added AAlib video driver support (thanks Stephane Peter)
   275 	<LI> 1.1.0: Added fullscreen support for Win32 GDI video driver
   276 	<LI> 1.1.0: Added SDL_GetAudioState() to get current audio status
   277 	<LI> 1.1.0: Added SDL_GetRelativeMouseState() to get relative motion
   278 	<LI> 1.1.0: Added 32-bit PII MMX optimized blitters from Hermes
   279 	<LI> 1.1.0: Added SDL_bool datatype for functions returning true/false
   280 	<LI> 1.1.0: Improved alpha blend speed (thanks Alexandre Courbot)
   281 	<LI> 1.1.0: Added function to queue events: SDL_PushEvent()
   282 	<LI> 1.1.0: Added user-defined event type to SDL_Event structure
   283 	<LI> 1.1.0: Added SDL_InitSubSystem() and SDL_QuitSubSystem()
   284 	<LI> 1.1.0: Added BDirectWindow fullscreen support on BeOS
   285 	<LI> 1.1.0: Added initial joystick support (Linux, Win32, BeOS, MacOS)
   286 	<LI> 1.1.0: The timer now runs in a separate thread if possible
   287 	<LI> 1.1.0: Added initial OpenGL support (Linux, Win32, BeOS, MacOS)
   288 	<LI> 1.0.9: Avoid potential crash in Win32 mouse handling (thanks Cliff)
   289 	<LI> 1.0.9: Fixed bug where /dev/dsp was incorrectly marked available
   290 	<LI> 1.0.9: Fixed DirectX crash if video height is larger than width
   291 	<LI> 1.0.9: Fixed win32 timer error message typo (thanks Martin Dvorak)
   292 	<LI> 1.0.8: Fixed deadlock if SDL_LockAudio() called from audio thread
   293 	<LI> 1.0.8: Fixed a race condition in thread creation
   294 	<LI> 1.0.7: Added detection for Linux supermount CD-ROM drives
   295 	<LI> 1.0.6: Added --static-libs option to sdl-config
   296 	<LI> 1.0.6: Fixed a clipping bug in the RLE colorkey blitting
   297 	<LI> 1.0.6: Mouse window manager routines implemented on MacOS
   298 	<LI> 1.0.6: Fixed SDL_HWPALETTE in fullscreen X11 video driver
   299 	<LI> 1.0.6: Improved relative mouse warping in X11 video driver
   300 	<LI> 1.0.6: DGA mouse mode is now enabled by SDL_VIDEO_X11_DGAMOUSE
   301 	<LI> 1.0.6: Grab input by default in fullscreen mode
   302 	<LI> 1.0.6: Detect hanging (incorrectly configured) Linux soundcard
   303 	<LI> 1.0.6: If ESPEAKER env variable is set, use ESD audio driver
   304 	<LI> 1.0.5: Fixed audio structure alignment for packing compilers
   305 	<LI> 1.0.5: Exposed SDL_AudioInit() and SDL_VideoInit()
   306 	<LI> 1.0.5: Added SDL_WM_ToggleFullScreen(), implemented for X11
   307 	<LI> 1.0.5: Removed ALT-Enter functionality - should be in apps
   308 	<LI> 1.0.5: The DSP audio driver is used by default on Linux
   309 	<LI> 1.0.4: Added optional DMA support for the Linux audio driver
   310 	<LI> 1.0.4: Fixed CD-ROM opening on the iBook under MacOS
   311 	<LI> 1.0.4: Fixed a crash in 8-bit mode when using X11 video
   312 	<LI> 1.0.4: Initial audio support on MacOS (thanks Darrell Walisser)
   313 	<LI> 1.0.4: The audio thread runs at high priority on Win32
   314 	<LI> 1.0.4: ESD audio support is now a separate selectable driver
   315 	<LI> 1.0.4: Initial OpenBSD support (thanks Federico Schwindt)
   316 	<LI> 1.0.4: Fixed hang when closing audio on Windows 2000
   317 	<LI> 1.0.4: Warn about monochrome X displays (thanks Christian Bauer)
   318 	<LI> 1.0.4: Fixed spurious X11 mouse focus events at ALT-ENTER
   319 	<LI> 1.0.4: Perform input ungrab at video quit, just in case
   320 	<LI> 1.0.4: Corrected X11 depth reporting in SDL_VideoModeOK()
   321 	<LI> 1.0.3: Disable mouse threshold when X11 mouse is in warp mode
   322 	<LI> 1.0.3: Fixed black-screen on exit in fbcon video driver
   323 	<LI> 1.0.3: Much improved console switching in fbcon video driver
   324 	<LI> 1.0.3: Fixed X11 UNICODE translation bug (thanks Andreas Arens)
   325 	<LI> 1.0.3: Fixed WaveOut mutex logic bug (thanks Markus Oberhum)
   326 	<LI> 1.0.3: Use X11 mouse warping when cursor hidden and input grabbed
   327 	<LI> 1.0.3: Doesn't try to use TrackMouseEvent() on Win95
   328 	<LI> 1.0.3: DirectColor support in fbcon driver (thanks Adam Meyerowitz)
   329 	<LI> 1.0.3: Fixed ALT-ENTER key state problem on X11
   330 	<LI> 1.0.2: Fixed Win32 code to run on VMWare with DIB video driver
   331 	<LI> 1.0.2: Added window manager function: SDL_WM_GrabInput()
   332 	<LI> 1.0.2: Added window manager function: SDL_WM_IconifyWindow()
   333 	<LI> 1.0.2: Added ALT-ENTER fullscreen toggle for X11 video driver
   334 	<LI> 1.0.2: X11 fullscreen mode uses DGA mouse if cursor is hidden
   335 	<LI> 1.0.2: New X11 fullscreen code doesn't require root
   336 	<LI> 1.0.2: Mouse focus and position is now updated at video mode set
   337 	<LI> 1.0.2: Mouse focus loss is now detected under Win32
   338 	<LI> 1.0.2: Menubar hiding is more robust on MacOS (thanks Matt Slott)
   339 	<LI> 1.0.2: Added CD-ROM support on MacOS (thanks Matt Slott)
   340 	<LI> 1.0.2: Added non-root fullscreen modes under X11 (thanks Stephane)
   341 	<LI> 1.0.2: Added docs for time functions (thanks Christian Biesinger)
   342 	<LI> 1.0.2: Squeezed a little more speed out of blitters (Duff's device)
   343 	<LI> 1.0.2: Added hardware acceleration for 3Dfx to fbcon driver.
   344 	<LI> 1.0.2: Added hardware acceleration for Matrox to fbcon driver.
   345 	<LI> 1.0.2: Windows mouse driver now recognizes the middle button.
   346 	<LI> 1.0.2: X11 driver now recognizes the "unix:0" display as local.
   347 	<LI> 1.0.2: Fixed a bug in DGA support which crashed some X servers.
   348 	<LI> 1.0.2: Added GPM repeater support (gpm -R) to fbcon driver
   349 	<LI> 1.0.2: Added support for hardware surfaces to fbcon driver
   350 	<LI> 1.0.2: Implemented console switching in fbcon driver
   351 	<LI> 1.0.2: Implemented graphics mode detection in fbcon driver
   352 	<LI> 1.0.2: Added SDL_EnableKeyRepeat() (thanks Jim Kutter)
   353 	<LI> 1.0.2: Enabled DirectSound on Windows 2000
   354 	<LI> 1.0.1: Fixed the frame buffer video driver on LinuxPPC
   355 	<LI> 1.0.1: Stopped using DirectSound on Windows NT.
   356 	<LI> 1.0.1: Stopped using DirectX when DINPUT.DLL is not installed.
   357 	<LI> 1.0.1: Added pthread detection to configure.in for FreeBSD.
   358 	<LI> 1.0.1: Updated the Solaris audio code for the 1.0 API
   359 	<LI> 1.0.1: Updated the MacOS code for the 1.0 internal API
   360 </UL>
   361 
   362 <H2>
   363 Major changes since SDL 0.10.0:
   364 </H2>
   365 <UL>
   366 	<LI> 0.11.5: Fixed mouse warping in fullscreen mode
   367 	<LI> 0.11.5: Added a new function SDL_GetVideoSurface()
   368 	<LI> 0.11.5: Renamed SDL_AllocSurface() SDL_CreateRGBSurface()
   369 	<LI> 0.11.5: Added a new function SDL_CreateRGBSurfaceFrom()
   370 	<LI> 0.11.4: Added support for multiple compiled-in video drivers
   371 	<LI> 0.11.3: Fixed 16 --> 32 bpp blitting - using C instead of Hermes. 
   372 	<LI> 0.11.3: Fixed double-buffering bug in the DirectX driver
   373 	<LI> 0.11.3: Added GGI video driver (thanks Jon Taylor)
   374 	<LI> 0.11.2: Added automake/aclocal/autoconf support
   375 	<LI> 0.11.1: Added an initial (buggy) MacOS CD-ROM driver
   376 	<LI> 0.11.1: Improved Linux CD-ROM detection
   377 	<LI> 0.11.1: Added a workaround for DGA mouse bug on Voodoo 3
   378 	<LI> 0.11.1: Fixed 24bpp --> 8bpp blit crash
   379 	<LI> 0.11.1: Fixed a bug in blit mapping when palette changed
   380 	<LI> 0.11.1: Added a Linux SBLive beta driver workaround
   381 	<LI> 0.11.1: Fixed Win32 cross-compile problem with mingw32
   382 	<LI> 0.11.1: Loss of keyboard focus now causes keys to be reset
   383 	<LI> 0.11.1: DGA DirectMouse is conditionally compiled (default off)
   384 </UL>
   385 
   386 <H2>
   387 Major changes since SDL 0.8.0:
   388 </H2>
   389 <UL>
   390 	<LI> 0.9.16: Made SDL error messages thread-safe
   391 	<LI> 0.9.15: If you have r/w access to /dev/mem, DGA works on Linux
   392 	<LI> 0.9.15: Added support for Linux on the ARM (Netwinder)
   393 	<LI> 0.9.14: Removed color cursor support, fixed b/w cursors
   394 	<LI> 0.9.14: Fixed long-standing X11 DGA colormap problem
   395 	<LI> 0.9.13: Added dynamic load function: SDL_SetLibraryPath()
   396 	<LI> 0.9.13: Added unofficial support for MacOS
   397 	<LI> 0.9.13: Added unofficial support for FreeBSD
   398 	<LI> 0.9.13: Added unofficial support for IRIX
   399 	<LI> 0.9.13: Updated support for BeOS from R3 to R4.5
   400 	<LI> 0.9.13: Added SDL_SetLibraryPath() function (thanks Karsten Laux)
   401 	<LI> 0.9.13: Fixed 8-bit audio conversion when using SDL_MixAudio()
   402 	<LI> 0.9.13: Fixed audio thread lingering when app dies on Linux
   403 	<LI> 0.9.13: Fixed color problem in X display to other-endian systems
   404 	<LI> 0.9.13: Finally able to detect X11 key repeat (thanks GII team!)
   405 	<LI> 0.9.13: Added support for Visual C++ 5.0 development environment
   406 	<LI> 0.9.13: Added support for Linux on the Alpha
   407 	<LI> 0.9.13: Added support for international keyboards (see WhatsNew)
   408 	<LI> 0.9.12: Added support for loading IMA ADPCM compressed WAV files
   409 	<LI> 0.9.12: Fixed bug when mixing 8-bit audio in SDL_MixAudio()
   410 	<LI> 0.9.12: Added Enlightenment Sound Daemon audio support on Linux
   411 	<LI> 0.9.12: Added MTRR support for Linux/X11 (thanks David Barth)
   412 	<LI> 0.9.12: Added support for LinuxPPC 5.0
   413 	<LI> 0.9.12: Fixed place where some audio conversions aren't detected
   414 	<LI> 0.9.12: Fixed serious bug in installation script
   415 	<LI> 0.9.12: Added SDL_FreeWAV() function for freeing DLL memory
   416 	<LI> 0.9.12: Fixed potential memory leak in SDL_LoadWAV_RW()
   417 	<LI> 0.9.11: Freeing video surface has no longer crashes SDL_Quit()
   418 	<LI> 0.9.11: Included new asm blitters from Hermes library 1.2.4
   419 	<LI> 0.9.11: SDL_WaitThread() now gets the thread's return status
   420 	<LI> 0.9.11: SDL_MixAudio() takes a larger volume range (0-128)
   421 	<LI> 0.9.11: SDL no longer changes the X11 keyboard repeat
   422 	<LI> 0.9.11: Added a data source abstraction for loading/saving data
   423 	<LI> 0.9.11: Added three built in data abstractions:<BR>
   424 	               SDL_RWFromFile(), SDL_RWFromFP(), SDL_RWFromMem()
   425 	<LI> 0.9.11: Added stdio-like functions for using data sources:<BR>
   426 	               SDL_RWseek(), SDL_RWread(), SDL_RWwrite(), SDL_RWclose()
   427 	<LI> 0.9.11: Replaced SDL_CalculateEndian() with SDL_BYTEORDER macro
   428 	<LI> 0.9.11: Endian swapping functions are now macros, for speed.
   429 	<LI> 0.9.11: Endian read/write functions now use data sources
   430 	<LI> 0.9.11: Added function SDL_LoadWAV_RW() for data sources
   431 	<LI> 0.9.11: Added function SDL_LoadBMP_RW() for data sources
   432 	<LI> 0.9.11: Added function SDL_SaveBMP_RW() for data sources
   433 	<LI> 0.9.10: Mixer no longer fails if timidity isn't installed
   434 	<LI> 0.9.10: Mixer restarts MOD files on play (thanks Bill Kendrick)
   435 	<LI> 0.9.10: Fixed occasional crashing of the mixer library
   436 	<LI> 0.9.10: Fixed icon display on Afterstep under Linux
   437 	<LI> 0.9.10: Fixed occasional crash in mixer example
   438 	<LI> 0.9.10: Linux cdrom list now comes from /etc/fstab
   439 	<LI> 0.9.10: Fixed support for UK keyboard (thanks John Elliott)
   440 	<LI> 0.9.10: The event queue is now thread-safe
   441 	<LI> 0.9.10: Added event queue pump function: SDL_PumpEvents()
   442 	<LI> 0.9.10: Added low level event function: SDL_PeepEvents()
   443 	<LI> 0.9.10: Added a new thread function: SDL_ThreadID()
   444 	<LI> 0.9.10: Fixed an audio rate conversion memory overrun
   445 	<LI> 0.9.10: Fixed crash with RLE acceleration on big surfaces
   446 	<LI> 0.9.10: Improved MacOS display driver - added fullscreen
   447 	<LI> 0.9.10: Removed spurious warnings from Linux X11 driver
   448 	<LI> 0.9.10: Fixed memory leak in SDL_InvalidateMap()
   449 	<LI> 0.9.10: Fixed right button of 2-button mice on Win32
   450 	<LI> 0.9.10: Enabled XFree86 mode changes on older servers
   451 	<LI> 0.9.9: SDL_LoadBMP() handles BMP files created with GIMP
   452 	<LI> 0.9.9: SDL_LoadWAV() handles WAV files with "LIST" chunks
   453 	<LI> 0.9.9: Fixed problem with audio underflow on Solaris
   454 	<LI> 0.9.9: Initial support for 4-speaker audio output devices
   455 	<LI> 0.9.8: Fixed corrupt VC++ 5.0 desktop file
   456 	<LI> 0.9.8: Now detects fixed version of Metro-X X11 server
   457 	<LI> 0.9.8: Fixed XFree86 DGA banked mode update
   458 	<LI> 0.9.8: Fixed mouse press viewport shift on XFree86 DGA
   459 	<LI> 0.9.7: Fixed problem with displaying remotely via X11
   460 	<LI> 0.9.7: Win32 uses software cursor when fullscreen
   461 	<LI> 0.9.7: Win32 mouse uses DirectInput when fullscreen
   462 	<LI> 0.9.7: Added OpenGL software rendering via Mesa (demos archive)
   463 	<LI> 0.9.7: Fixed memory leak in ADPCM WAV decoding
   464 	<LI> 0.9.6: Added CD-ROM audio API documentation
   465 	<LI> 0.9.6: Fixed potential BeOS audio-related crash
   466 	<LI> 0.9.6: Fixed crash when resetting the video mode in DirectX
   467 	<LI> 0.9.6: Fixed errors compiling with the SparcWorks compiler
   468 	<LI> 0.9.6: Replaced SDL_GetDisplayFormat() with SDL_GetVideoInfo()
   469 	<LI> 0.9.6: Added a new fast fill function: SDL_FillRect()
   470 	<LI> 0.9.6: Added blit acceleration flags to SDL_AllocSurface()
   471 	<LI> 0.9.6: Added new double-buffering function: SDL_Flip()
   472 	<LI> 0.9.6: Fixed problem with buggy Metro-X X11 server
   473 	<LI> 0.9.6: Fixed 8-bit audio on Solaris with dbri hardware
   474 	<LI> 0.9.6: Fixed alarm clock problem with Solaris pthreads
   475 	<LI> 0.9.6: Fixed BeOS compilation problem
   476 	<LI> 0.9.5: Added tools to create Win32 icons in directx/icon/
   477 	<LI> 0.9.5: You can now pass a NULL mask to SDL_WM_SetIcon()
   478 	<LI> 0.9.5: Added support files for compiling with VC++ 5.0
   479 	<LI> 0.9.5: Fixed icon color bug under Win32
   480 	<LI> 0.9.5: Re-added SDL_LowerBlit() - not safe for use on display
   481 	<LI> 0.9.5: Fixed 0.9.x cursor blit deadlock
   482 	<LI> 0.9.5: Added SDL_FPLoadWAV(), SDL_FPLoadBMP(), SDL_FPSaveBMP()
   483 	<LI> 0.9.5: Added Linux, Win32, and BeOS CD audio support
   484 	<LI> 0.9.5: MMX accelerated blit disabled -- temporarily broken
   485 	<LI> 0.9.4: Fixed endianness issue with BeOS x86 blitting
   486 	<LI> 0.9.4: Fixed quit interrupt delivery on BeOS
   487 	<LI> 0.9.4: Fixed dynamic loading on BeOS
   488 	<LI> 0.9.4: Fixed DirectX audio on Win98
   489 	<LI> 0.9.4: Fixed possible sound-related crash on Linux PPC
   490 	<LI> 0.9.3: Mouse motion arrives as absolute and relative coordinates
   491 	<LI> 0.9.3: Fixed Visual C++ structure packing
   492 	<LI> 0.9.3: Fixed UNIX dynamic link library installation
   493 	<LI> 0.9.2: DirectX audio no longer hangs when app loses focus
   494 	<LI> 0.9.2: Fixed DirectX HiColor crash (palette bug)
   495 	<LI> 0.9.1: Fixed DirectX &lt;ALT&gt; key handling
   496 	<LI> 0.9.1: Fixed DirectX windowed palette problems
   497 	<LI> 0.9.1: Removed SDL_MapSurface() and SDL_UnmapSurface()
   498 	<LI> 0.9.0: Initial port to IRIX 6.x
   499 	<LI> 0.9.0: Initial port to OSF/1 3.2       (no sound yet)
   500 	<LI> 0.9.0: MacOS port in progress
   501 </UL>
   502 
   503 <H2>
   504 Major changes since SDL 0.7:
   505 </H2>
   506 <UL>
   507 	<LI>	Separated the demos and examples into a separate archive
   508 	<LI>	Added support for loading Microsoft compressed WAV files
   509 	<LI>	Added "soft" application crash recovery (signal handlers)
   510 	<LI>	Fixed POSIX signal handling interaction with threads
   511 	<LI>	Fixed audio output on MKLinux
   512 	<LI>	Added dynamic library version checking
   513 	<LI>	Updated for DirectX 6.0
   514 	<LI>	Cleaned up dynamic linking and added static linking
   515 	<LI>	Added automatic audio format and rate conversion
   516 	<LI>	Optimized some blitter cases (8 --> 16/32 and 32 --> 16/8)
   517 	<LI>	Removed precalculated alpha blending acceleration
   518 	<LI>	Key and mouse button events are split into up/down events
   519 	<LI>	It is now much easier to set an optimal video mode
   520 </UL>
   521 
   522 <H2>
   523 Major changes since SDL 0.5:
   524 </H2>
   525 <UL>
   526 	<LI>	Ported to Solaris 2.6
   527 	<LI>	Added XFree86 Direct Graphic Access support
   528 	<LI>	Supports LinuxPPC without threads
   529 	<LI>	Completely rewritten video/surface API -- see SDL_video.h
   530 	<LI>	Completely rewritten event API
   531 	<LI>	Optimized black-white cursor creation
   532 	<LI>	Added support for run-length-encoded colorkeying
   533 	<LI>	Added support for hardware accelerated blits
   534 	<LI>	Added support for blitting from 1-bit surfaces (bitmaps)
   535 	<LI>	Added a function to simplify setting video modes
   536 	<LI>	Added support for loading WAV files
   537 	<LI>	Added endian swapping functions for memory values
   538 	<LI>	Added alpha blending using alpha value or channel
   539 	<LI>	Added precalculated alpha blending acceleration
   540 	<LI>	Added function to return current time in milliseconds
   541 	<LI>	New event type SDL_ACTIVEEVENT, to detect iconification
   542 	<LI>	New event type SDL_SYSWMEVENT, for custom window hooks
   543 	<LI>	Added a platform dependent function to get window handle
   544 	<LI>	Added a function to check the run-time version of SDL
   545 	<LI>	Added periodic timer support at 10 ms resolution
   546 	<LI>	Added support for the SDL_DEBUG environment variable
   547 	<LI>	Miscellaneous internal cleanups
   548 </UL>
   549 
   550 <H2>
   551 Major changes since SDL 0.4:
   552 </H2>
   553 <UL>
   554 	<LI>	SDL library code is now dynamically loaded
   555 	<LI>	Added support for pthreads (Linux glibc2)
   556 	<LI>	Removed SDL_mutexN() and SDL_mutexIncr()
   557 </UL>
   558 
   559 <H2>
   560 Major changes since SDL 0.3:
   561 </H2>
   562 <UL>
   563 	<LI>	Added support for DirectX 5.0
   564 	<LI>	Added support for surfaces in video memory
   565 	<LI>	Added support for source color-key blitting
   566 	<LI>	Added support for single-rectangle clipping
   567 	<LI>	Added support for warping (moving) the cursor
   568 	<LI>	Added support for color cursors
   569 	<LI>	Greatly simplified internal event queue
   570 	<LI>	Minor bug-fixes
   571 </UL>
   572 
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   575 
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