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annotate docs/html/guidethebasics.html @ 3100:7dc982143c06
Date: Sun, 22 Mar 2009 12:52:29 +0000
From: Luke Benstead
Subject: OpenGL 3.0 Context Creation
I've attached a patch which implements OpenGL 3.x context creation on
the latest SVN. I've added two options to SDL_GL_SetAttribute, these
are SDL_GL_CONTEXT_MAJOR_VERSION and SDL_GL_CONTEXT_MINOR_VERSION.
These default to 2 and 1 respectively. If the major version is less
than 3 then the current context creation method is used, otherwise the
appropriate new context creation function is called (depending on the
platform).
Sample code:
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
printf("Unable to initialize SDL: %s\n", SDL_GetError());
return 1;
}
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); //Without these 2 lines, SDL will create a GL 2.x context
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_Surface* screen = SDL_SetVideoMode( 640, 480, 16, SDL_OPENGL | SDL_FULLSCREEN );
I've implemented context creation on both Win32 and X and run basic
tests on both. This patch doesn't provide access to all the options
allowed by the new context creation (e.g. shared contexts, forward
compatible contexts) but they can be added pretty easily.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 24 Mar 2009 10:43:53 +0000 |
parents | 355632dca928 |
children |
rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >The Basics</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
0 | 8 "><LINK |
9 REL="HOME" | |
10 TITLE="SDL Library Documentation" | |
11 HREF="index.html"><LINK | |
12 REL="UP" | |
13 TITLE="SDL Guide" | |
14 HREF="guide.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="Credits" | |
17 HREF="guidecredits.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="Initializing SDL" | |
20 HREF="guidebasicsinit.html"></HEAD | |
21 ><BODY | |
22 CLASS="CHAPTER" | |
23 BGCOLOR="#FFF8DC" | |
24 TEXT="#000000" | |
25 LINK="#0000ee" | |
26 VLINK="#551a8b" | |
27 ALINK="#ff0000" | |
28 ><DIV | |
29 CLASS="NAVHEADER" | |
30 ><TABLE | |
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31 SUMMARY="Header navigation table" |
0 | 32 WIDTH="100%" |
33 BORDER="0" | |
34 CELLPADDING="0" | |
35 CELLSPACING="0" | |
36 ><TR | |
37 ><TH | |
38 COLSPAN="3" | |
39 ALIGN="center" | |
40 >SDL Library Documentation</TH | |
41 ></TR | |
42 ><TR | |
43 ><TD | |
44 WIDTH="10%" | |
45 ALIGN="left" | |
46 VALIGN="bottom" | |
47 ><A | |
48 HREF="guidecredits.html" | |
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49 ACCESSKEY="P" |
0 | 50 >Prev</A |
51 ></TD | |
52 ><TD | |
53 WIDTH="80%" | |
54 ALIGN="center" | |
55 VALIGN="bottom" | |
56 ></TD | |
57 ><TD | |
58 WIDTH="10%" | |
59 ALIGN="right" | |
60 VALIGN="bottom" | |
61 ><A | |
62 HREF="guidebasicsinit.html" | |
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63 ACCESSKEY="N" |
0 | 64 >Next</A |
65 ></TD | |
66 ></TR | |
67 ></TABLE | |
68 ><HR | |
69 ALIGN="LEFT" | |
70 WIDTH="100%"></DIV | |
71 ><DIV | |
72 CLASS="CHAPTER" | |
73 ><H1 | |
74 ><A | |
75 NAME="GUIDETHEBASICS" | |
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76 ></A |
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77 >Chapter 1. The Basics</H1 |
0 | 78 ><DIV |
79 CLASS="TOC" | |
80 ><DL | |
81 ><DT | |
82 ><B | |
83 >Table of Contents</B | |
84 ></DT | |
85 ><DT | |
86 ><A | |
87 HREF="guidethebasics.html#GUIDEINTRODUCTION" | |
88 >Introduction</A | |
89 ></DT | |
90 ><DT | |
91 ><A | |
92 HREF="guidebasicsinit.html" | |
93 >Initializing SDL</A | |
94 ></DT | |
95 ></DL | |
96 ></DIV | |
97 ><DIV | |
98 CLASS="SECT1" | |
99 ><H1 | |
100 CLASS="SECT1" | |
101 ><A | |
102 NAME="GUIDEINTRODUCTION" | |
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103 ></A |
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104 >Introduction</H1 |
0 | 105 ><P |
106 >The SDL Guide section is pretty incomplete. If you feel you have anything to add mail akawaka@skynet.ie or visit http://akawaka.csn.ul.ie/tne/.</P | |
107 ></DIV | |
108 ></DIV | |
109 ><DIV | |
110 CLASS="NAVFOOTER" | |
111 ><HR | |
112 ALIGN="LEFT" | |
113 WIDTH="100%"><TABLE | |
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114 SUMMARY="Footer navigation table" |
0 | 115 WIDTH="100%" |
116 BORDER="0" | |
117 CELLPADDING="0" | |
118 CELLSPACING="0" | |
119 ><TR | |
120 ><TD | |
121 WIDTH="33%" | |
122 ALIGN="left" | |
123 VALIGN="top" | |
124 ><A | |
125 HREF="guidecredits.html" | |
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parents:
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126 ACCESSKEY="P" |
0 | 127 >Prev</A |
128 ></TD | |
129 ><TD | |
130 WIDTH="34%" | |
131 ALIGN="center" | |
132 VALIGN="top" | |
133 ><A | |
134 HREF="index.html" | |
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parents:
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135 ACCESSKEY="H" |
0 | 136 >Home</A |
137 ></TD | |
138 ><TD | |
139 WIDTH="33%" | |
140 ALIGN="right" | |
141 VALIGN="top" | |
142 ><A | |
143 HREF="guidebasicsinit.html" | |
803
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parents:
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144 ACCESSKEY="N" |
0 | 145 >Next</A |
146 ></TD | |
147 ></TR | |
148 ><TR | |
149 ><TD | |
150 WIDTH="33%" | |
151 ALIGN="left" | |
152 VALIGN="top" | |
153 >Credits</TD | |
154 ><TD | |
155 WIDTH="34%" | |
156 ALIGN="center" | |
157 VALIGN="top" | |
158 ><A | |
159 HREF="guide.html" | |
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parents:
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160 ACCESSKEY="U" |
0 | 161 >Up</A |
162 ></TD | |
163 ><TD | |
164 WIDTH="33%" | |
165 ALIGN="right" | |
166 VALIGN="top" | |
167 >Initializing SDL</TD | |
168 ></TR | |
169 ></TABLE | |
170 ></DIV | |
171 ></BODY | |
172 ></HTML | |
173 > |