annotate docs/man3/SDL_UserEvent.3 @ 1120:8e1fde455471

Patch by me to fix crash described below. --ryan. To: sdl@libsdl.org From: Rainer Deyke <rainerd@eldwood.com> Date: Tue, 16 Aug 2005 01:08:18 -0600 Subject: [SDL] Bug report: SDL_CreateRGBSurface with SDL_HWSURFACE crashes If SDL is in full-screen mode with a hardware video surface on OS X, SDL_CreateRGBSurface with SDL_HWSURFACE crashes. The crash occurs on line 109 of SDL_Surface.c. This was tested on OS X 10.3.9 with both SDL 1.2.8 and the latest CVS. Here is a small C++ program that demonstrates the problem: #include "SDL.h" #include <stdio.h> namespace { void wait_for_key() { SDL_Event e; printf("%d\n", SDL_GetAppState()); while (SDL_WaitEvent(&e)) { if (e.type == SDL_KEYDOWN || e.type == SDL_QUIT) return; } } } int main(int, char *[]) { SDL_Init(SDL_INIT_VIDEO); SDL_Surface *screen = SDL_SetVideoMode(640, 480, 32, SDL_FULLSCREEN | SDL_HWSURFACE); SDL_Surface *s = SDL_CreateRGBSurface(SDL_HWSURFACE, 640, 480, 32, screen->format->Rmask, screen->format->Gmask, screen->format->Bmask, screen->format->Amask); wait_for_key(); if (s) SDL_FreeSurface(s); SDL_Quit(); printf("Success!\n"); return 0; }
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 18 Aug 2005 06:46:32 +0000
parents e5bc29de3f0a
children 546f7c1eb755
rev   line source
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e5bc29de3f0a Updated from the SDL Documentation Project
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1 .TH "SDL_UserEvent" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_UserEvent\- A user-defined event type
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4 .SH "STRUCTURE DEFINITION"
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5 .PP
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6 .nf
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7 \f(CWtypedef struct{
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8 Uint8 type;
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9 int code;
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10 void *data1;
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11 void *data2;
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12 } SDL_UserEvent;\fR
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13 .fi
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14 .PP
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15 .SH "STRUCTURE DATA"
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16 .TP 20
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17 \fBtype\fR
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18 \fBSDL_USEREVENT\fP through to \fBSDL_NUMEVENTS-1\fP
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19 .TP 20
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20 \fBcode\fR
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21 User defined event code
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22 .TP 20
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23 \fBdata1\fR
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24 User defined data pointer
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25 .TP 20
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26 \fBdata2\fR
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27 User defined data pointer
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28 .SH "DESCRIPTION"
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29 .PP
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30 \fBSDL_UserEvent\fR is in the \fBuser\fR member of the structure \fI\fBSDL_Event\fR\fR\&. This event is unique, it is never created by SDL but only by the user\&. The event can be pushed onto the event queue using \fI\fBSDL_PushEvent\fP\fR\&. The contents of the structure members or completely up to the programmer, the only requirement is that \fBtype\fR is a value from \fBSDL_USEREVENT\fP to \fBSDL_NUMEVENTS-1\fP (inclusive)\&.
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31 .SH "EXAMPLES"
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32 .PP
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33 .PP
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34 .nf
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35 \f(CWSDL_Event event;
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36
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37 event\&.type = SDL_USEREVENT;
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38 event\&.user\&.code = my_event_code;
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39 event\&.user\&.data1 = significant_data;
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40 event\&.user\&.data2 = 0;
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41 SDL_PushEvent(&event);\fR
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42 .fi
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43 .PP
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44 .SH "SEE ALSO"
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45 .PP
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46 \fI\fBSDL_Event\fR\fR, \fI\fBSDL_PushEvent\fP\fR
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47 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00