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annotate docs.html @ 3955:40b6b5744e05 SDL-1.2

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Avoid switch to supervisor mode in SDL_GetTicks, by updating system counter from vbl interrupt
author Patrice Mandin <patmandin@gmail.com>
date Sat, 09 Jun 2007 19:52:05 +0000
parents c08abb88531b
children c121d94672cb f5daa62ce1c4
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1 <HTML>
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2 <HEAD><TITLE>SDL Stable Release</TITLE></HEAD>
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3 <BODY BGCOLOR="#FFEBCD" TEXT="#000000">
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4
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5 <IMG SRC="docs/images/rainbow.gif" ALT="[separator]" WIDTH="100%">
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6 <P>
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7 This source is stable, and is fully tested on all supported platforms.<br>
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8 Please send bug reports or questions to the SDL mailing list:<br>
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9 <a href="http://www.libsdl.org/mailing-list.php"
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10 >http://www.libsdl.org/mailing-list.php</a><br>
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11 The latest stable release may be found on the
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12 <a href="http://www.libsdl.org/">SDL website</A>.
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13 </P>
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14
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15 <H2> <A HREF="docs/index.html">API Documentation</A> </H2>
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16
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17 <H2> SDL 1.2.11 Release Notes </H2>
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18 <P>
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19 SDL 1.2.11 is a minor bug fix release.
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20 </P>
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21
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22 <H3> Unix Notes </H3>
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23
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24 <BLOCKQUOTE>
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25 <P>
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26 Dynamic X11 loading is only enabled with gcc 4 supporting -fvisibility=hidden. This fixes crashes related to symbol collisions, and allows building on Solaris and IRIX.
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27 </P>
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28 <P>
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29 Fixed building SDL with Xinerama disabled.
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30 </P>
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31 <P>
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32 Fixed DRI OpenGL library loading, using RTLD_GLOBAL in dlopen().
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33 </P>
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34 <P>
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35 Added pkgconfig configuration support.
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36 </P>
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37 </BLOCKQUOTE>
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38
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39 <H3> Windows Notes </H3>
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40
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41 <BLOCKQUOTE>
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42 <P>
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43 Setting SDL_GL_SWAP_CONTROL now works with Windows OpenGL.
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44 </P>
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45 <P>
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46 The Win32 window positioning code works properly for windows with menus.
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47 </P>
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48 <P>
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49 DirectSound audio quality has been improved on certain sound cards.
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50 </P>
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51 <P>
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52 Fixed 5.1 audio channel ordering on Windows and Mac OS X.
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53 </P>
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54 <P>
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55 Plugged a couple of minor memory leaks in the windib video driver.
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56 </P>
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57 <P>
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58 Fixed type collision with stdint.h when building with gcc on Win32.
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59 </P>
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60 <P>
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61 Fixed building with the Digital Mars Compiler on Win32.
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62 </P>
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63 </BLOCKQUOTE>
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64
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65 <H3> Mac OS X Notes </H3>
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66
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67 <BLOCKQUOTE>
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68 <P>
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69 The Quartz video driver supports 32x32 cursors on Mac OS X 10.3 and above.
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70 </P>
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71 </BLOCKQUOTE>
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72
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73 <IMG SRC="docs/images/rainbow.gif" ALT="[separator]" WIDTH="100%">
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74
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75 <H2> SDL 1.2.10 Release Notes </H2>
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76 <P>
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77 SDL 1.2.10 is a major release, featuring a revamp of the build system and many API improvements and bug fixes.
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78 </P>
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79 <H3> API enhancements </H3>
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80 <UL>
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81 <LI>
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82 If SDL_OpenAudio() is passed zero for the desired format
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83 fields, the following environment variables will be used
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84 to fill them in:
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85 <pre><code>
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86 SDL_AUDIO_FREQUENCY
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87 SDL_AUDIO_FORMAT
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88 SDL_AUDIO_CHANNELS
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89 SDL_AUDIO_SAMPLES
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90 </code></pre>
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91 If an environment variable is not specified, it will be set
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92 to a reasonable default value.
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93 <LI>
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94 SDL_SetVideoMode() now accepts 0 for width or height and will use
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95 the current video mode (or the desktop mode if no mode has been set.)
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96 <LI>
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97 Added current_w and current_h to the SDL_VideoInfo structure,
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98 which is set to the desktop resolution during video intialization,
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99 and then set to the current resolution when a video mode is set.
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100 <LI>
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101 SDL_GL_LoadLibrary() will load the system default OpenGL library
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102 if it is passed NULL as a parameter.
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103 <LI>
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104 Added SDL_GL_SWAP_CONTROL to wait for vsync in OpenGL applications.
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105 <LI>
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106 Added SDL_GL_ACCELERATED_VISUAL to guarantee hardware acceleration.
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107 <LI>
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108 SDL_WM_SetCaption() now officially takes UTF-8 title and icon strings, and displays international characters on supported platforms.
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109 <LI>
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110 Added SDL_GetKeyRepeat() to query the key repeat settings.
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111 <LI>
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112 Added the "dummy" audio driver, which can be used to emulate audio
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113 output without a sound card.
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114 <LI>
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115 Added SDL_config.h, with defaults for various build environments.
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116 </UL>
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117
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118 <H3> General Notes </H3>
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119
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120 <BLOCKQUOTE>
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121 <P>
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122 The SDL website now has an <A HREF="http://www.libsdl.org/rss/rss.xml">RSS feed</A>!
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123 <P>
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124 The SDL development source code is now managed with <A HREF="http://www.libsdl.org/svn.php">Subversion</A>.
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125 <P>
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126 SDL now uses the Bugzilla <A HREF="http://bugzilla.libsdl.org/">bug tracking system</A>, hosted by icculus.org.
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127 <P>
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128 SDL is licensed under version 2.1 of the GNU Lesser General Public License.
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129 <P>
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130 The entire build system has been revamped to make it much more portable, including versions of C library functions to make it possible to run SDL on a minimal embedded environment. See README.Porting in the SDL source distribution for information on how to port SDL to a new platform.
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131 <P>
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132 SDL_opengl.h has been updated with the latest glext.h from <A HREF="http://oss.sgi.com/projects/ogl-sample/registry/">http://oss.sgi.com/projects/ogl-sample/registry/</A>
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133 <P>
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134 Alex Volkov contributed highly optimized RGB <-> RGBA blitters.
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135 </BLOCKQUOTE>
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136
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137 <H3> Unix Notes </H3>
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138
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139 <BLOCKQUOTE>
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140 <P>
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141 The X11 libraries are dynamically loaded at runtime by default. This allows the distributed version of SDL to run on systems without X11 libraries installed.
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142 <P>
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143 The XiG XME extension code is now included in the X11 video driver by default.
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144 <P>
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145 XRandR support for video mode switching has been added to the X11 driver, but is disabled because of undesired interactions with window managers. You can enable this by setting the environment variable SDL_VIDEO_X11_XRANDR to 1.
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146 <P>
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147 Xinerama multi-head displays are properly handled now, and the SDL_VIDEO_FULLSCREEN_HEAD environment variable can be used to select the screen used for fullscreen video modes. Note that changing the video modes only works on screen 0.
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148 <P>
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149 XVidMode video modes are now sorted so they maintain the refresh rates specified in the X11 configuration file.
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150 <P>
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151 SDL windows are no longer transparent in X11 compositing systems like XGL.
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152 <P>
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153 The mouse is properly released by the X11 video driver if the fullscreen window loses focus.
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154 <P>
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155 The X11 input driver now uses XIM to handle international input.
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156 <P>
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157 The screensaver and DPMS monitor blanking are disabled while SDL games are running under the X11 and DGA video drivers. This behavior will be formalized and selectable in SDL 1.3.
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158 <P>
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159 Fixed a bug preventing stereo OpenGL contexts from being selected on the X11 driver.
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160 <P>
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161 The DGA video driver now waits for pending blits involving surfaces before they are freed. This prevents display oddities when using SDL_DisplayFormat() to convert many images.
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162 <P>
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163 The framebuffer console video driver now has a parser for /etc/fb.modes for improved video mode handling.
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164 <P>
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165 The framebuffer console video driver now allows asynchronous VT switching, and restores the full contents of the screen when switched back.
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166 <P>
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167 The framebuffer console now uses CTRL-ALT-FN to switch virtual terminals, to avoid collisions with application key bindings.
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168 <P>
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169 The framebuffer console input driver correctly sets IMPS/2 mode for wheel mice. It also properly detects when gpm is in IMPS/2 protocol mode, or passing raw protocol from an IMPS/2 mouse.
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170 <P>
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171 The SVGAlib video driver now has support for banked (non-linear) video modes.
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172 <P>
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173 A video driver for OpenBSD on the Sharp Zaurus has been contributed by Staffan Ulfberg. See the file README.wscons in the SDL source distribution for details.
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174 <P>
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175 Many patches have been incorporated from *BSD ports.
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176 </BLOCKQUOTE>
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177
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178 <H3> Windows Notes </H3>
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179
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180 <BLOCKQUOTE>
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181 <P>
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182 The "windib" video driver is the default now, to prevent problems with certain laptops, 64-bit Windows, and Windows Vista. The DirectX driver is still available, and can be selected by setting the environment variable SDL_VIDEODRIVER to "directx".
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183 <P>
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184 SDL has been ported to 64-bit Windows.
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185 <P>
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186 Dmitry Yakimov contributed a GAPI video driver for Windows CE.
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187 <P>
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188 The default fullscreen refresh rate has been increased to match the desktop refresh rate, when using equivalent resolutions. A full API for querying and selecting refresh rates is planned for SDL 1.3.
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189 <P>
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190 Dialog boxes are now shown when SDL is in windowed OpenGL mode.
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191 <P>
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192 The SDL window is recreated when necessary to maintain OpenGL context attributes, when switching between windowed and fullscreen modes.
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193 <P>
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194 An SDL_VIDEORESIZE event is properly sent when the SDL window is maximized and restored.
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195 <P>
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196 Window positions are retained when switching between fullscreen and windowed modes.
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197 <P>
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198 ToUnicode() is used, when available, for improved handling of international keyboard input.
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199 <P>
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200 The PrtScrn is now treated normally with both key down and key up events.
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201 <P>
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202 Pressing ALT-F4 now delivers an SDL_QUIT event to SDL applications.
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203 <P>
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204 Joystick names are now correct for joysticks which have been unplugged and then plugged back in since booting.
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205 <P>
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206 An MCI error when playing the last track on a CD-ROM has been fixed.
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207 <P>
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208 OpenWatcom projects for building SDL have been provided by Marc Peter.
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209 </BLOCKQUOTE>
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210
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211 <H3> Mac OS X Notes </H3>
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212
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213 <BLOCKQUOTE>
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214 <P>
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215 SDL now supports building Universal binaries, both through Xcode projects and when using configure/make. See README.MacOSX in the SDL source archive for details.
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216 <P>
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217 The X11 video driver with GLX support can be built on Mac OS X, if the X11 development SDK is installed.
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218 <P>
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219 Transitions between fullscreen resolutions and windowed mode now use a much faster asynchronous fade to hide desktop flicker.
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220 <P>
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221 Icons set with SDL_WM_SetIcon() now have the proper colors on Intel Macs.
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222 </BLOCKQUOTE>
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223
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224 <H3> OS/2 Notes </H3>
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225
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226 <BLOCKQUOTE>
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227 <P>
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228 Projects for building SDL on OS/2 with OpenWatcom have been contributed by Doodle. See the file README.OS2 in the SDL source distribution for details.
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229 </BLOCKQUOTE>
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230
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231 <IMG SRC="docs/images/rainbow.gif" ALT="[separator]" WIDTH="100%">
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232
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233 </BODY>
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234 </HTML>