Mercurial > sdl-ios-xcode
annotate docs/html/sdlvideomodeok.html @ 701:aaf3b8af6616
Date: Sat, 30 Aug 2003 16:28:10 +0300
From: "Mike Gorchak"
Subject: Re: SDL 1.2.6
- minor changes about shared library building under QNX6 into README.QNX
- added forgotten libSDLmain.a into distribution, SDL.qpg.in
- added header guards to the all headers.
- fixed fullscreen double buffered mode.
- fixed Photon crashes after/during using fullscreen OpenGL modes.
- added GL_MakeCurrent function.
- added SDL_VIDEOEXPOSE event, when OpenGL window have been resized
- added more HAVE_OPENGL checks to avoid dead code compilation without using OpenGL
- finished code reorganization (began into previous patches).
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 30 Aug 2003 17:07:59 +0000 |
parents | e5bc29de3f0a |
children | 355632dca928 |
rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_VideoModeOK</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_ListModes" | |
17 HREF="sdllistmodes.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_SetVideoMode" | |
20 HREF="sdlsetvideomode.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="sdllistmodes.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="sdlsetvideomode.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="SDLVIDEOMODEOK" | |
71 >SDL_VideoModeOK</A | |
72 ></H1 | |
73 ><DIV | |
74 CLASS="REFNAMEDIV" | |
75 ><A | |
181
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76 NAME="AEN819" |
0 | 77 ></A |
78 ><H2 | |
79 >Name</H2 | |
80 >SDL_VideoModeOK -- Check to see if a particular video mode is supported.</DIV | |
81 ><DIV | |
82 CLASS="REFSYNOPSISDIV" | |
83 ><A | |
181
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84 NAME="AEN822" |
0 | 85 ></A |
86 ><H2 | |
87 >Synopsis</H2 | |
88 ><DIV | |
89 CLASS="FUNCSYNOPSIS" | |
90 ><A | |
181
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91 NAME="AEN823" |
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_VideoModeOK</B | |
105 ></CODE | |
106 >(int width, int height, int bpp, Uint32 flags);</CODE | |
107 ></P | |
108 ><P | |
109 ></P | |
110 ></DIV | |
111 ></DIV | |
112 ><DIV | |
113 CLASS="REFSECT1" | |
114 ><A | |
181
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115 NAME="AEN829" |
0 | 116 ></A |
117 ><H2 | |
118 >Description</H2 | |
119 ><P | |
120 ><TT | |
121 CLASS="FUNCTION" | |
122 >SDL_VideoModeOK</TT | |
123 > returns <SPAN | |
124 CLASS="RETURNVALUE" | |
125 >0</SPAN | |
126 > | |
127 if the requested mode is not supported under any bit depth, or returns the | |
128 bits-per-pixel of the closest available mode with the given width, height and requested <A | |
129 HREF="sdlsurface.html" | |
130 >surface</A | |
131 > flags (see <A | |
132 HREF="sdlsetvideomode.html" | |
133 ><TT | |
134 CLASS="FUNCTION" | |
135 >SDL_SetVideoMode</TT | |
136 ></A | |
137 >).</P | |
138 ><P | |
139 >The bits-per-pixel value returned is only a suggested mode. You can usually request and bpp you want when <A | |
140 HREF="sdlsetvideomode.html" | |
141 >setting</A | |
142 > the video mode and SDL will emulate that color depth with a shadow video surface.</P | |
143 ><P | |
144 >The arguments to <TT | |
145 CLASS="FUNCTION" | |
146 >SDL_VideoModeOK</TT | |
147 > are the same ones you | |
148 would pass to <A | |
149 HREF="sdlsetvideomode.html" | |
150 >SDL_SetVideoMode</A | |
151 ></P | |
152 ></DIV | |
153 ><DIV | |
154 CLASS="REFSECT1" | |
155 ><A | |
181
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156 NAME="AEN842" |
0 | 157 ></A |
158 ><H2 | |
159 >Example</H2 | |
160 ><PRE | |
161 CLASS="PROGRAMLISTING" | |
162 >SDL_Surface *screen; | |
163 Uint32 bpp; | |
164 . | |
165 . | |
166 . | |
167 printf("Checking mode 640x480@16bpp.\n"); | |
168 bpp=SDL_VideoModeOK(640, 480, 16, SDL_HWSURFACE); | |
169 | |
170 if(!bpp){ | |
171 printf("Mode not available.\n"); | |
172 exit(-1); | |
173 } | |
174 | |
175 printf("SDL Recommends 640x480@%dbpp.\n", bpp); | |
176 screen=SDL_SetVideoMode(640, 480, bpp, SDL_HWSURFACE); | |
177 . | |
178 .</PRE | |
179 ></DIV | |
180 ><DIV | |
181 CLASS="REFSECT1" | |
182 ><A | |
181
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183 NAME="AEN845" |
0 | 184 ></A |
185 ><H2 | |
186 >See Also</H2 | |
187 ><P | |
188 ><A | |
189 HREF="sdlsetvideomode.html" | |
190 ><TT | |
191 CLASS="FUNCTION" | |
192 >SDL_SetVideoMode</TT | |
193 ></A | |
194 >, | |
195 <A | |
196 HREF="sdlgetvideoinfo.html" | |
197 ><TT | |
198 CLASS="FUNCTION" | |
199 >SDL_GetVideoInfo</TT | |
200 ></A | |
201 ></P | |
202 ></DIV | |
203 ><DIV | |
204 CLASS="NAVFOOTER" | |
205 ><HR | |
206 ALIGN="LEFT" | |
207 WIDTH="100%"><TABLE | |
208 WIDTH="100%" | |
209 BORDER="0" | |
210 CELLPADDING="0" | |
211 CELLSPACING="0" | |
212 ><TR | |
213 ><TD | |
214 WIDTH="33%" | |
215 ALIGN="left" | |
216 VALIGN="top" | |
217 ><A | |
218 HREF="sdllistmodes.html" | |
219 >Prev</A | |
220 ></TD | |
221 ><TD | |
222 WIDTH="34%" | |
223 ALIGN="center" | |
224 VALIGN="top" | |
225 ><A | |
226 HREF="index.html" | |
227 >Home</A | |
228 ></TD | |
229 ><TD | |
230 WIDTH="33%" | |
231 ALIGN="right" | |
232 VALIGN="top" | |
233 ><A | |
234 HREF="sdlsetvideomode.html" | |
235 >Next</A | |
236 ></TD | |
237 ></TR | |
238 ><TR | |
239 ><TD | |
240 WIDTH="33%" | |
241 ALIGN="left" | |
242 VALIGN="top" | |
243 >SDL_ListModes</TD | |
244 ><TD | |
245 WIDTH="34%" | |
246 ALIGN="center" | |
247 VALIGN="top" | |
248 ><A | |
249 HREF="video.html" | |
250 >Up</A | |
251 ></TD | |
252 ><TD | |
253 WIDTH="33%" | |
254 ALIGN="right" | |
255 VALIGN="top" | |
256 >SDL_SetVideoMode</TD | |
257 ></TR | |
258 ></TABLE | |
259 ></DIV | |
260 ></BODY | |
261 ></HTML | |
262 > |