Mercurial > sdl-ios-xcode
annotate src/video/Xext/Xv/Xvlibint.h @ 3487:24d13328c44a
Eric Wing to Sam, hfutrell
This one is quite puzzling. I found a partial workaround, but I don't fully understand the reasons yet.
First, the console is complaining about not finding a nib for MainWindow.
I tried removing the entry for this in the info.plist, and the message went away, but it didn't really change anything.
Second, I stepped through this with the debugger and broke up some lines. It seems that the basic act of calling
view = [SDL_uikitopenglview alloc];
or even
view = [SDL_uikitview alloc]
will crash the program. The debugger messages plus the stack trace make me think it's not finding the SDL_uikitview classes for some reason. But I don't understand why this would be.
view = [UIView alloc] will not crash the program.
For kicks, I added a new definition of a class called SDL_object which subclasses NSObject in the same files as SDL_uikitopenglview and then call
view = [SDL_object alloc];
This does not crash the program.
So, then I modified SDL_object to subclass UIView. No crash.
Next, I made SDL_object subclass UIView<UITextFieldDelegate> . This crashes.
So it is the act of conforming to the UITextFieldDelegate protocol that is crashing things.
I don't understand why it would crash on alloc though. I'm guessing either a delegate needs to be set somewhere or one of the required methods needs to be implemented. But in the former case, I would not expect a crash, but a silent message to nil and something else doesn't work. And in the latter case, I would expect a compiler warning and an exception thrown instead of a crash.
Anyway, my temporary workaround is to change the interface declaration for SDL_uikitview to look like:
#if SDL_IPHONE_KEYBOARD
@interface SDL_uikitview : UIView<UITextFieldDelegate> {
#else
@interface SDL_uikitview : UIView {
#endif
And then disable the keyboard support in the SDL_config_iphoneos.h file.
/* enable iPhone keyboard support */
#define SDL_IPHONE_KEYBOARD 0
-Eric
On Nov 23, 2009, at 1:43 AM, Sam Lantinga wrote:
> I ran into a blocking startup crash with the Happy demo on iPhone OS 3.1.2 on my new iPhone:
>
> #0 0x323fea14 in _class_isInitialized
> #1 0x323fea68 in _class_initialize
> #2 0x32403e92 in prepareForMethodLookup
> #3 0x32401244 in lookUpMethod
> #4 0x323fea10 in _class_lookupMethodAndLoadCache
> #5 0x323fe746 in objc_msgSend_uncached
> #6 0x323feb26 in _class_initialize
> #7 0x323fea58 in _class_initialize
> #8 0x32403e92 in prepareForMethodLookup
> #9 0x32401244 in lookUpMethod
> #10 0x323fea10 in _class_lookupMethodAndLoadCache
> #11 0x323fe746 in objc_msgSend_uncached
> #12 0x000554dc in UIKit_GL_CreateContext at SDL_uikitopengles.m:103
> #13 0x0004f89e in SDL_GL_CreateContext at SDL_video.c:3155
> #14 0x000579e8 in GLES_CreateRenderer at SDL_renderer_gles.c:282
> #15 0x0004d7b8 in SDL_CreateRenderer at SDL_video.c:1509
> #16 0x00002bc2 in SDL_main at happy.c:156
> #17 0x000571b2 in -[SDLUIKitDelegate postFinishLaunch] at
> SDL_uikitappdelegate.m:77
> #18 0x313f9ef2 in __NSFireDelayedPerform
> #19 0x32567bb2 in CFRunLoopRunSpecific
> #20 0x3256735c in CFRunLoopRunInMode
> #21 0x32912cbe in GSEventRunModal
> #22 0x32912d6a in GSEventRun
> #23 0x32b6276e in -[UIApplication _run]
> #24 0x32b61472 in UIApplicationMain
> #25 0x00057088 in main at SDL_uikitappdelegate.m:50
>
> Any ideas?
>
> See ya!
> --
> -Sam Lantinga, Founder and President, Galaxy Gameworks LLC
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 24 Nov 2009 08:12:32 +0000 |
parents | c121d94672cb |
children | 81dde1b00bf1 |
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1 /*********************************************************** |
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2 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts, |
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3 and the Massachusetts Institute of Technology, Cambridge, Massachusetts. |
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4 |
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5 All Rights Reserved |
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6 |
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7 Permission to use, copy, modify, and distribute this software and its |
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8 documentation for any purpose and without fee is hereby granted, |
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9 provided that the above copyright notice appear in all copies and that |
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10 both that copyright notice and this permission notice appear in |
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11 supporting documentation, and that the names of Digital or MIT not be |
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12 used in advertising or publicity pertaining to distribution of the |
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13 software without specific, written prior permission. |
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14 |
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15 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
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16 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
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17 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
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18 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
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19 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
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20 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
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21 SOFTWARE. |
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22 |
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23 ******************************************************************/ |
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24 /* $XFree86: xc/lib/Xv/Xvlibint.h,v 1.5 2001/07/25 15:04:53 dawes Exp $ */ |
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25 |
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26 #ifndef XVLIBINT_H |
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27 #define XVLIBINT_H |
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28 /* |
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29 ** File: |
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30 ** |
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31 ** Xvlibint.h --- Xv library internal header file |
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32 ** |
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33 ** Author: |
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34 ** |
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35 ** David Carver (Digital Workstation Engineering/Project Athena) |
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36 ** |
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37 ** Revisions: |
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38 ** |
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39 ** 01.24.91 Carver |
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40 ** - version 1.4 upgrade |
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41 ** |
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42 */ |
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43 |
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44 #define NEED_REPLIES |
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45 |
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46 #include <X11/Xlibint.h> |
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47 #include "../extensions/Xvproto.h" |
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48 #include "../extensions/Xvlib.h" |
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49 |
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50 #if !defined(UNIXCPP) |
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51 #define XvGetReq(name, req) \ |
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52 WORD64ALIGN\ |
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53 if ((dpy->bufptr + SIZEOF(xv##name##Req)) > dpy->bufmax)\ |
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54 _XFlush(dpy);\ |
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55 req = (xv##name##Req *)(dpy->last_req = dpy->bufptr);\ |
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56 req->reqType = info->codes->major_opcode;\ |
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57 req->xvReqType = xv_##name; \ |
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58 req->length = (SIZEOF(xv##name##Req))>>2;\ |
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59 dpy->bufptr += SIZEOF(xv##name##Req);\ |
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60 dpy->request++ |
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61 |
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62 #else /* non-ANSI C uses empty comment instead of "##" for token concatenation */ |
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63 #define XvGetReq(name, req) \ |
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64 WORD64ALIGN\ |
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65 if ((dpy->bufptr + SIZEOF(xv/**/name/**/Req)) > dpy->bufmax)\ |
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66 _XFlush(dpy);\ |
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67 req = (xv/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ |
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68 req->reqType = info->codes->major_opcode;\ |
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69 req->xvReqType = xv_/**/name;\ |
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70 req->length = (SIZEOF(xv/**/name/**/Req))>>2;\ |
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71 dpy->bufptr += SIZEOF(xv/**/name/**/Req);\ |
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72 dpy->request++ |
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73 #endif |
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74 |
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75 |
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76 #endif /* XVLIBINT_H */ |
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77 /* vi: set ts=4 sw=4 expandtab: */ |