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annotate docs.html @ 4045:f420bba13676 SDL-1.2

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GCC inline asm for MMX YUV processing no longer has textrels and now works when gcc wants to hog %%ebx for the PIC register. Fixes Bugzilla #418.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 11 Jul 2007 06:26:22 +0000
parents 7247f700c018
children 3e380b8247aa
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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 1.2.12 Release Notes </H2>
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18 <P>
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19 SDL 1.2.12 is a minor bug fix release.
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20 </P>
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21
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22 <H3> General Notes </H3>
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23
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24 <BLOCKQUOTE>
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25 <P>
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26 Added support for the PulseAudio sound server: http://www.pulseaudio.org/
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27 </P>
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28 <P>
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29 Added SDL_VIDEO_ALLOW_SCREENSAVER to override SDL's disabling of the screensaver on Mac OS X, Windows, and X11.
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30 </P>
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31 <P>
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32 Fixed buffer overrun crash when resampling audio rates.
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33 </P>
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34 <P>
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35 Fixed audio bug where converting to mono was doubling the volume.
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36 </P>
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37 <P>
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38 Fixed off-by-one error in the C implementation of SDL_revcpy()
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39 </P>
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40 <P>
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41 Fixed compiling with Sun Studio.
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42 </P>
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43 <P>
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44 Support for AmigaOS has been removed from the main SDL code.
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45 </P>
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46 <P>
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47 Support for Nokia 9210 "EPOC" driver has been removed from the main SDL code.
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48 </P>
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49 <P>
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50 Unofficial support for the S60/SymbianOS platform has been added.
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51 </P>
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52 <P>
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53 Unofficial support for the Nintendo DS platform has been added.
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54 </P>
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55 </BLOCKQUOTE>
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56
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57 <H3> Unix Notes </H3>
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58
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59 <BLOCKQUOTE>
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60 <P>
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61 Fixed detection of X11 DGA mouse support.
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62 </P>
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63 <P>
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64 Improved XIM support for asian character sets.
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65 </P>
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66 <P>
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67 The GFX_Display has been added to the X11 window information in SDL_syswm.h.
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68 </P>
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69 <P>
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70 Fixed PAGE_SIZE compile error in the fbcon video driver on newer Linux kernels.
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71 </P>
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72 <P>
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73 Fixed hang or crash at startup if aRts can't access the hardware.
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74 </P>
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75 <P>
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76 Fixed relative mouse mode when the cursor starts outside the X11 window.
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77 </P>
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78 <P>
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79 Fixed accidental free of stack memory in X11 mouse acceleration code.
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80 </P>
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81 <P>
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82 Closed minor memory leak in XME code.
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83 </P>
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84 </BLOCKQUOTE>
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85
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86 <H3> Windows Notes </H3>
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87
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88 <BLOCKQUOTE>
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89 <P>
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90 The GDI video driver makes better use of the palette in 8-bit modes.
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91 </P>
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92 <P>
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93 The windib driver now supports more mouse buttons with WM_XBUTTON events.
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94 </P>
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95 <P>
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96 Added support for UTF-8 window titles on Windows.
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97 </P>
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98 <P>
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99 Fixed joystick detection on Windows.
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100 </P>
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101 <P>
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102 Improved performance with Win32 file I/O.
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103 </P>
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104 <P>
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105 Fixed HBITMAP leak in GAPI driver.
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106 </P>
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107 </BLOCKQUOTE>
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108
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109 <H3> Mac OS X Notes </H3>
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110
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111 <BLOCKQUOTE>
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112 <P>
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113 Added support for multi-axis controllers like 3Dconnxion's SpaceNavigator on Mac OS X.
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114 </P>
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115 <P>
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116 Fixed YUV overlay crash inside Quicktime on Intel Mac OS X.
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117 </P>
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118 <P>
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119 Fixed blitting alignment in Altivec alpha blit functions.
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120 </P>
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121 <P>
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122 Keys F13, F14, and F15 are now usable on Apple keyboards under Mac OS X.
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123 </P>
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124 <P>
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125 Fixed joystick calibration code on Mac OS X.
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126 </P>
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127 <P>
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128 Fixed mouse jitter when multiple motion events are queued up in Mac OS X.
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129 </P>
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130 </BLOCKQUOTE>
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131
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132 <H3> Mac OS Classic Notes </H3>
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133
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134 <BLOCKQUOTE>
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135 <P>
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136 Added support for gamma ramps to both toolbox and DrawSprocket video drivers.
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137 </P>
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138 </BLOCKQUOTE>
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139
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140 <H3> BeOS Notes </H3>
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141
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142 <BLOCKQUOTE>
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143 <P>
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144 Implemented mouse grabbing and mouse relative mode on BeOS.
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145 </P>
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146 </BLOCKQUOTE>
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147
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148 <IMG SRC="docs/images/rainbow.gif" ALT="[separator]" WIDTH="100%">
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149
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150 <H2> SDL 1.2.11 Release Notes </H2>
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151 <P>
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152 SDL 1.2.11 is a minor bug fix release.
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153 </P>
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154
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155 <H3> Unix Notes </H3>
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156
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157 <BLOCKQUOTE>
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158 <P>
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159 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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160 </P>
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161 <P>
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162 Fixed building SDL with Xinerama disabled.
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163 </P>
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164 <P>
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165 Fixed DRI OpenGL library loading, using RTLD_GLOBAL in dlopen().
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166 </P>
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167 <P>
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168 Added pkgconfig configuration support.
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169 </P>
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170 </BLOCKQUOTE>
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171
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172 <H3> Windows Notes </H3>
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173
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174 <BLOCKQUOTE>
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175 <P>
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176 Setting SDL_GL_SWAP_CONTROL now works with Windows OpenGL.
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177 </P>
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178 <P>
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179 The Win32 window positioning code works properly for windows with menus.
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180 </P>
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181 <P>
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182 DirectSound audio quality has been improved on certain sound cards.
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183 </P>
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184 <P>
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185 Fixed 5.1 audio channel ordering on Windows and Mac OS X.
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186 </P>
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187 <P>
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188 Plugged a couple of minor memory leaks in the windib video driver.
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189 </P>
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190 <P>
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191 Fixed type collision with stdint.h when building with gcc on Win32.
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192 </P>
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193 <P>
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194 Fixed building with the Digital Mars Compiler on Win32.
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195 </P>
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196 </BLOCKQUOTE>
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197
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198 <H3> Mac OS X Notes </H3>
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199
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200 <BLOCKQUOTE>
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201 <P>
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202 The Quartz video driver supports 32x32 cursors on Mac OS X 10.3 and above.
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203 </P>
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204 </BLOCKQUOTE>
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205
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206 <IMG SRC="docs/images/rainbow.gif" ALT="[separator]" WIDTH="100%">
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207
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208 <H2> SDL 1.2.10 Release Notes </H2>
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209 <P>
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210 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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211 </P>
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212 <H3> API enhancements </H3>
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213 <UL>
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214 <LI>
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215 If SDL_OpenAudio() is passed zero for the desired format
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216 fields, the following environment variables will be used
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217 to fill them in:
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218 <pre><code>
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219 SDL_AUDIO_FREQUENCY
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220 SDL_AUDIO_FORMAT
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221 SDL_AUDIO_CHANNELS
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222 SDL_AUDIO_SAMPLES
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223 </code></pre>
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224 If an environment variable is not specified, it will be set
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225 to a reasonable default value.
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226 <LI>
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227 SDL_SetVideoMode() now accepts 0 for width or height and will use
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228 the current video mode (or the desktop mode if no mode has been set.)
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229 <LI>
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230 Added current_w and current_h to the SDL_VideoInfo structure,
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231 which is set to the desktop resolution during video intialization,
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232 and then set to the current resolution when a video mode is set.
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233 <LI>
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234 SDL_GL_LoadLibrary() will load the system default OpenGL library
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235 if it is passed NULL as a parameter.
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236 <LI>
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237 Added SDL_GL_SWAP_CONTROL to wait for vsync in OpenGL applications.
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238 <LI>
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239 Added SDL_GL_ACCELERATED_VISUAL to guarantee hardware acceleration.
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240 <LI>
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241 SDL_WM_SetCaption() now officially takes UTF-8 title and icon strings, and displays international characters on supported platforms.
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242 <LI>
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243 Added SDL_GetKeyRepeat() to query the key repeat settings.
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244 <LI>
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245 Added the "dummy" audio driver, which can be used to emulate audio
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246 output without a sound card.
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247 <LI>
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248 Added SDL_config.h, with defaults for various build environments.
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249 </UL>
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250
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251 <H3> General Notes </H3>
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252
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253 <BLOCKQUOTE>
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254 <P>
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255 The SDL website now has an <A HREF="http://www.libsdl.org/rss/rss.xml">RSS feed</A>!
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256 <P>
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257 The SDL development source code is now managed with <A HREF="http://www.libsdl.org/svn.php">Subversion</A>.
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258 <P>
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259 SDL now uses the Bugzilla <A HREF="http://bugzilla.libsdl.org/">bug tracking system</A>, hosted by icculus.org.
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260 <P>
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261 SDL is licensed under version 2.1 of the GNU Lesser General Public License.
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262 <P>
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263 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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264 <P>
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265 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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266 <P>
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267 Alex Volkov contributed highly optimized RGB <-> RGBA blitters.
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268 </BLOCKQUOTE>
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269
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270 <H3> Unix Notes </H3>
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271
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272 <BLOCKQUOTE>
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273 <P>
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274 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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275 <P>
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276 The XiG XME extension code is now included in the X11 video driver by default.
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277 <P>
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278 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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279 <P>
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280 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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281 <P>
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282 XVidMode video modes are now sorted so they maintain the refresh rates specified in the X11 configuration file.
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283 <P>
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284 SDL windows are no longer transparent in X11 compositing systems like XGL.
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285 <P>
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286 The mouse is properly released by the X11 video driver if the fullscreen window loses focus.
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287 <P>
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288 The X11 input driver now uses XIM to handle international input.
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289 <P>
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290 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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291 <P>
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292 Fixed a bug preventing stereo OpenGL contexts from being selected on the X11 driver.
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293 <P>
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294 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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295 <P>
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296 The framebuffer console video driver now has a parser for /etc/fb.modes for improved video mode handling.
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297 <P>
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298 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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299 <P>
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300 The framebuffer console now uses CTRL-ALT-FN to switch virtual terminals, to avoid collisions with application key bindings.
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301 <P>
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302 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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303 <P>
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304 The SVGAlib video driver now has support for banked (non-linear) video modes.
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305 <P>
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306 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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307 <P>
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308 Many patches have been incorporated from *BSD ports.
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309 </BLOCKQUOTE>
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310
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311 <H3> Windows Notes </H3>
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312
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313 <BLOCKQUOTE>
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314 <P>
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315 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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316 <P>
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317 SDL has been ported to 64-bit Windows.
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318 <P>
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319 Dmitry Yakimov contributed a GAPI video driver for Windows CE.
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320 <P>
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321 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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322 <P>
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323 Dialog boxes are now shown when SDL is in windowed OpenGL mode.
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324 <P>
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325 The SDL window is recreated when necessary to maintain OpenGL context attributes, when switching between windowed and fullscreen modes.
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326 <P>
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327 An SDL_VIDEORESIZE event is properly sent when the SDL window is maximized and restored.
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328 <P>
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329 Window positions are retained when switching between fullscreen and windowed modes.
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330 <P>
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331 ToUnicode() is used, when available, for improved handling of international keyboard input.
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332 <P>
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333 The PrtScrn is now treated normally with both key down and key up events.
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334 <P>
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335 Pressing ALT-F4 now delivers an SDL_QUIT event to SDL applications.
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336 <P>
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337 Joystick names are now correct for joysticks which have been unplugged and then plugged back in since booting.
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338 <P>
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339 An MCI error when playing the last track on a CD-ROM has been fixed.
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340 <P>
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341 OpenWatcom projects for building SDL have been provided by Marc Peter.
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342 </BLOCKQUOTE>
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343
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344 <H3> Mac OS X Notes </H3>
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345
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346 <BLOCKQUOTE>
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347 <P>
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348 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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349 <P>
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350 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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351 <P>
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352 Transitions between fullscreen resolutions and windowed mode now use a much faster asynchronous fade to hide desktop flicker.
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353 <P>
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354 Icons set with SDL_WM_SetIcon() now have the proper colors on Intel Macs.
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355 </BLOCKQUOTE>
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356
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357 <H3> OS/2 Notes </H3>
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358
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359 <BLOCKQUOTE>
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360 <P>
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361 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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362 </BLOCKQUOTE>
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363
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364 <IMG SRC="docs/images/rainbow.gif" ALT="[separator]" WIDTH="100%">
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365
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366 </BODY>
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367 </HTML>