Mercurial > sdl-ios-xcode
annotate docs/html/sdljoystickupdate.html @ 2884:9dde605c7540
Date: Fri, 19 Dec 2008 20:17:35 +0100
From: Couriersud
Subject: Re: Aw: Experience using SDL1.3 in sdlmame/Proposal for api additions
> For consistency you'd probably want:
> SDL_SetRenderDrawColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a);
> SDL_SetRenderDrawBlendMode(SDL_BlendMode blendMode);
> SDL_RenderLine(int x1, int y1, int x2, int y2);
> SDL_RenderFill(SDL_Rect *rect);
>
> You probably also want to add API functions query the current state.
>
I have implemented the above api for the opengl, x11, directfb and
software renderers. I have also renamed *TEXTUREBLENDMODE* constants to
BLENDMODE*. The unix build compiles. The windows renderer still needs to
be updated, but I have no windows development machine at hand. Have a
look at the x11 renderer for a sample.
Vector games now run at 90% both on opengl and directfb in comparison to
sdlmame's own opengl renderer. The same applies to raster games.
The diff also includes
a) Changed XDrawRect to XFillRect in x11 renderer
b) A number of changes to fix blending and modulation issues in the
directfb renderer.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 20 Dec 2008 12:00:00 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_JoystickUpdate</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="Joystick" | |
14 HREF="joystick.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="SDL_JoystickNumButtons" | |
17 HREF="sdljoysticknumbuttons.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_JoystickGetAxis" | |
20 HREF="sdljoystickgetaxis.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 | |
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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="sdljoysticknumbuttons.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="sdljoystickgetaxis.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 ><H1 | |
72 ><A | |
73 NAME="SDLJOYSTICKUPDATE" | |
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74 ></A |
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75 >SDL_JoystickUpdate</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN6296" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_JoystickUpdate -- Updates the state of all joysticks</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN6299" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN6300" |
0 | 95 ></A |
96 ><P | |
97 ></P | |
98 ><PRE | |
99 CLASS="FUNCSYNOPSISINFO" | |
100 >#include "SDL.h"</PRE | |
101 ><P | |
102 ><CODE | |
103 ><CODE | |
104 CLASS="FUNCDEF" | |
105 >void <B | |
106 CLASS="FSFUNC" | |
107 >SDL_JoystickUpdate</B | |
108 ></CODE | |
109 >(void);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN6306" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >Updates the state(position, buttons, etc.) of all open joysticks. If joystick events have been enabled with <A | |
124 HREF="sdljoystickeventstate.html" | |
125 ><TT | |
126 CLASS="FUNCTION" | |
127 >SDL_JoystickEventState</TT | |
128 ></A | |
129 > then this is called automatically in the event loop.</P | |
130 ></DIV | |
131 ><DIV | |
132 CLASS="REFSECT1" | |
133 ><A | |
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134 NAME="AEN6311" |
0 | 135 ></A |
136 ><H2 | |
137 >See Also</H2 | |
138 ><P | |
139 ><A | |
140 HREF="sdljoystickeventstate.html" | |
141 ><TT | |
142 CLASS="FUNCTION" | |
143 >SDL_JoystickEventState</TT | |
144 ></A | |
145 ></P | |
146 ></DIV | |
147 ><DIV | |
148 CLASS="NAVFOOTER" | |
149 ><HR | |
150 ALIGN="LEFT" | |
151 WIDTH="100%"><TABLE | |
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152 SUMMARY="Footer navigation table" |
0 | 153 WIDTH="100%" |
154 BORDER="0" | |
155 CELLPADDING="0" | |
156 CELLSPACING="0" | |
157 ><TR | |
158 ><TD | |
159 WIDTH="33%" | |
160 ALIGN="left" | |
161 VALIGN="top" | |
162 ><A | |
163 HREF="sdljoysticknumbuttons.html" | |
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164 ACCESSKEY="P" |
0 | 165 >Prev</A |
166 ></TD | |
167 ><TD | |
168 WIDTH="34%" | |
169 ALIGN="center" | |
170 VALIGN="top" | |
171 ><A | |
172 HREF="index.html" | |
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173 ACCESSKEY="H" |
0 | 174 >Home</A |
175 ></TD | |
176 ><TD | |
177 WIDTH="33%" | |
178 ALIGN="right" | |
179 VALIGN="top" | |
180 ><A | |
181 HREF="sdljoystickgetaxis.html" | |
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182 ACCESSKEY="N" |
0 | 183 >Next</A |
184 ></TD | |
185 ></TR | |
186 ><TR | |
187 ><TD | |
188 WIDTH="33%" | |
189 ALIGN="left" | |
190 VALIGN="top" | |
191 >SDL_JoystickNumButtons</TD | |
192 ><TD | |
193 WIDTH="34%" | |
194 ALIGN="center" | |
195 VALIGN="top" | |
196 ><A | |
197 HREF="joystick.html" | |
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198 ACCESSKEY="U" |
0 | 199 >Up</A |
200 ></TD | |
201 ><TD | |
202 WIDTH="33%" | |
203 ALIGN="right" | |
204 VALIGN="top" | |
205 >SDL_JoystickGetAxis</TD | |
206 ></TR | |
207 ></TABLE | |
208 ></DIV | |
209 ></BODY | |
210 ></HTML | |
211 > |