Mercurial > sdl-ios-xcode
annotate docs/html/sdllockyuvoverlay.html @ 610:95433459fbd2
Date: Mon, 14 Apr 2003 22:08:27 +0100
From: Patrice Mandin
Subject: [SDL][PATCH] 2 patches for sdl
Here are 2 patches for SDL:
- One is to put the dummy video drivers at the end of the
video drivers list. It gave me problems, when
SDL_VIDEODRIVER is not set, and the dummy driver is used
instead of the platform's driver, just because it is
always available. So the dummy driver must always be at
the end of the list. I suppose picogui and dc video
drivers also don't work.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 15 Apr 2003 15:46:56 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_LockYUVOverlay</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
| 0 | 8 "><LINK |
| 9 REL="HOME" | |
| 10 TITLE="SDL Library Documentation" | |
| 11 HREF="index.html"><LINK | |
| 12 REL="UP" | |
| 13 TITLE="Video" | |
| 14 HREF="video.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_CreateYUVOverlay" | |
| 17 HREF="sdlcreateyuvoverlay.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_UnlockYUVOverlay" | |
| 20 HREF="sdlunlockyuvoverlay.html"></HEAD | |
| 21 ><BODY | |
| 22 CLASS="REFENTRY" | |
| 23 BGCOLOR="#FFF8DC" | |
| 24 TEXT="#000000" | |
| 25 LINK="#0000ee" | |
| 26 VLINK="#551a8b" | |
| 27 ALINK="#ff0000" | |
| 28 ><DIV | |
| 29 CLASS="NAVHEADER" | |
| 30 ><TABLE | |
| 31 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdlcreateyuvoverlay.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdlunlockyuvoverlay.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLLOCKYUVOVERLAY" | |
| 71 >SDL_LockYUVOverlay</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN2460" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_LockYUVOverlay -- Lock an overlay</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
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84 NAME="AEN2463" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
|
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91 NAME="AEN2464" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >int <B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_LockYUVOverlay</B | |
| 105 ></CODE | |
| 106 >(SDL_Overlay *overlay);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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115 NAME="AEN2470" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >Much the same as <A | |
| 121 HREF="sdllocksurface.html" | |
| 122 ><TT | |
| 123 CLASS="FUNCTION" | |
| 124 >SDL_LockSurface</TT | |
| 125 ></A | |
| 126 >, <TT | |
| 127 CLASS="FUNCTION" | |
| 128 >SDL_LockYUVOverlay</TT | |
| 129 > locks the <A | |
| 130 HREF="sdloverlay.html" | |
| 131 ><TT | |
| 132 CLASS="PARAMETER" | |
| 133 ><I | |
| 134 >overlay</I | |
| 135 ></TT | |
| 136 ></A | |
| 137 > for direct access to pixel data.</P | |
| 138 ></DIV | |
| 139 ><DIV | |
| 140 CLASS="REFSECT1" | |
| 141 ><A | |
|
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142 NAME="AEN2478" |
| 0 | 143 ></A |
| 144 ><H2 | |
| 145 >Return Value</H2 | |
| 146 ><P | |
| 147 >Returns <SPAN | |
| 148 CLASS="RETURNVALUE" | |
| 149 >0</SPAN | |
| 150 > on success, or <SPAN | |
| 151 CLASS="RETURNVALUE" | |
| 152 >-1</SPAN | |
| 153 > on an error.</P | |
| 154 ></DIV | |
| 155 ><DIV | |
| 156 CLASS="REFSECT1" | |
| 157 ><A | |
|
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158 NAME="AEN2483" |
| 0 | 159 ></A |
| 160 ><H2 | |
| 161 >See Also</H2 | |
| 162 ><P | |
| 163 ><A | |
| 164 HREF="sdlunlockyuvoverlay.html" | |
| 165 ><TT | |
| 166 CLASS="FUNCTION" | |
| 167 >SDL_UnlockYUVOverlay</TT | |
| 168 ></A | |
| 169 >, | |
| 170 <A | |
| 171 HREF="sdlcreateyuvoverlay.html" | |
| 172 ><TT | |
| 173 CLASS="FUNCTION" | |
| 174 >SDL_CreateYUVOverlay</TT | |
| 175 ></A | |
| 176 >, | |
| 177 <A | |
| 178 HREF="sdloverlay.html" | |
| 179 ><SPAN | |
| 180 CLASS="STRUCTNAME" | |
| 181 >SDL_Overlay</SPAN | |
| 182 ></A | |
| 183 ></P | |
| 184 ></DIV | |
| 185 ><DIV | |
| 186 CLASS="NAVFOOTER" | |
| 187 ><HR | |
| 188 ALIGN="LEFT" | |
| 189 WIDTH="100%"><TABLE | |
| 190 WIDTH="100%" | |
| 191 BORDER="0" | |
| 192 CELLPADDING="0" | |
| 193 CELLSPACING="0" | |
| 194 ><TR | |
| 195 ><TD | |
| 196 WIDTH="33%" | |
| 197 ALIGN="left" | |
| 198 VALIGN="top" | |
| 199 ><A | |
| 200 HREF="sdlcreateyuvoverlay.html" | |
| 201 >Prev</A | |
| 202 ></TD | |
| 203 ><TD | |
| 204 WIDTH="34%" | |
| 205 ALIGN="center" | |
| 206 VALIGN="top" | |
| 207 ><A | |
| 208 HREF="index.html" | |
| 209 >Home</A | |
| 210 ></TD | |
| 211 ><TD | |
| 212 WIDTH="33%" | |
| 213 ALIGN="right" | |
| 214 VALIGN="top" | |
| 215 ><A | |
| 216 HREF="sdlunlockyuvoverlay.html" | |
| 217 >Next</A | |
| 218 ></TD | |
| 219 ></TR | |
| 220 ><TR | |
| 221 ><TD | |
| 222 WIDTH="33%" | |
| 223 ALIGN="left" | |
| 224 VALIGN="top" | |
| 225 >SDL_CreateYUVOverlay</TD | |
| 226 ><TD | |
| 227 WIDTH="34%" | |
| 228 ALIGN="center" | |
| 229 VALIGN="top" | |
| 230 ><A | |
| 231 HREF="video.html" | |
| 232 >Up</A | |
| 233 ></TD | |
| 234 ><TD | |
| 235 WIDTH="33%" | |
| 236 ALIGN="right" | |
| 237 VALIGN="top" | |
| 238 >SDL_UnlockYUVOverlay</TD | |
| 239 ></TR | |
| 240 ></TABLE | |
| 241 ></DIV | |
| 242 ></BODY | |
| 243 ></HTML | |
| 244 > |