Mercurial > sdl-ios-xcode
annotate docs/html/sdlglswapbuffers.html @ 641:df178851293b
Date: 28 Jun 2003 22:42:52 +0100
From: Alan Swanson
Subject: Re: [SDL] New XFree 4.3 Video Mode Patch
I have a wee amendment that moves the qsort in set_best_resolution
to only occur after failing to find an exact match only. This would
make absolutely sure we get a user set mode.
While I've never had any problems for my normal resolutions (1280x1024,
1024x768, 800x600 & 640,480) while closely examining the output from
qsort I've noticed it doesn't seem to sort the modes fully. These is
one definite wrong at 1152x768 and a few that just look wrong to me.
From a program (attached) I made to examine this more easily. X has
sorted its mode list using the same method as ours (plus frequency),
and our user modes get inserted without any other movement.
On the patch I've made I've also changed cmpmodes to sort on vertical
resolution and then horizontal. Ie vertical is now most significant
bit.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 28 Jun 2003 21:52:26 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_GL_SwapBuffers</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_GL_SetAttribute" | |
| 17 HREF="sdlglsetattribute.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_CreateYUVOverlay" | |
| 20 HREF="sdlcreateyuvoverlay.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="sdlglsetattribute.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="sdlcreateyuvoverlay.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="SDLGLSWAPBUFFERS" | |
| 71 >SDL_GL_SwapBuffers</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
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76 NAME="AEN2400" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_GL_SwapBuffers -- Swap OpenGL framebuffers/Update Display</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
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84 NAME="AEN2403" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
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91 NAME="AEN2404" |
| 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 >void <B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_GL_SwapBuffers</B | |
| 105 ></CODE | |
| 106 >(void );</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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115 NAME="AEN2410" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >Swap the OpenGL buffers, if double-buffering is supported.</P | |
| 121 ></DIV | |
| 122 ><DIV | |
| 123 CLASS="REFSECT1" | |
| 124 ><A | |
|
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125 NAME="AEN2413" |
| 0 | 126 ></A |
| 127 ><H2 | |
| 128 >See Also</H2 | |
| 129 ><P | |
| 130 ><A | |
| 131 HREF="sdlsetvideomode.html" | |
| 132 ><TT | |
| 133 CLASS="FUNCTION" | |
| 134 >SDL_SetVideoMode</TT | |
| 135 ></A | |
| 136 >, | |
| 137 <A | |
| 138 HREF="sdlglsetattribute.html" | |
| 139 ><TT | |
| 140 CLASS="FUNCTION" | |
| 141 >SDL_GL_SetAttribute</TT | |
| 142 ></A | |
| 143 ></P | |
| 144 ></DIV | |
| 145 ><DIV | |
| 146 CLASS="NAVFOOTER" | |
| 147 ><HR | |
| 148 ALIGN="LEFT" | |
| 149 WIDTH="100%"><TABLE | |
| 150 WIDTH="100%" | |
| 151 BORDER="0" | |
| 152 CELLPADDING="0" | |
| 153 CELLSPACING="0" | |
| 154 ><TR | |
| 155 ><TD | |
| 156 WIDTH="33%" | |
| 157 ALIGN="left" | |
| 158 VALIGN="top" | |
| 159 ><A | |
| 160 HREF="sdlglsetattribute.html" | |
| 161 >Prev</A | |
| 162 ></TD | |
| 163 ><TD | |
| 164 WIDTH="34%" | |
| 165 ALIGN="center" | |
| 166 VALIGN="top" | |
| 167 ><A | |
| 168 HREF="index.html" | |
| 169 >Home</A | |
| 170 ></TD | |
| 171 ><TD | |
| 172 WIDTH="33%" | |
| 173 ALIGN="right" | |
| 174 VALIGN="top" | |
| 175 ><A | |
| 176 HREF="sdlcreateyuvoverlay.html" | |
| 177 >Next</A | |
| 178 ></TD | |
| 179 ></TR | |
| 180 ><TR | |
| 181 ><TD | |
| 182 WIDTH="33%" | |
| 183 ALIGN="left" | |
| 184 VALIGN="top" | |
| 185 >SDL_GL_SetAttribute</TD | |
| 186 ><TD | |
| 187 WIDTH="34%" | |
| 188 ALIGN="center" | |
| 189 VALIGN="top" | |
| 190 ><A | |
| 191 HREF="video.html" | |
| 192 >Up</A | |
| 193 ></TD | |
| 194 ><TD | |
| 195 WIDTH="33%" | |
| 196 ALIGN="right" | |
| 197 VALIGN="top" | |
| 198 >SDL_CreateYUVOverlay</TD | |
| 199 ></TR | |
| 200 ></TABLE | |
| 201 ></DIV | |
| 202 ></BODY | |
| 203 ></HTML | |
| 204 > |