我在他们的CrashLanding示例中使用Apple的Texture2D
类来在屏幕上绘制动态文本。
这是我的方法:
- (void) drawText:(NSString*)textToDraw atX:(float)X andY:(float)Y {
glColor4f(0, 0, 0, 1.0);
Texture2D* _text = [[Texture2D alloc] initWithString:textToDraw dimensions:CGSizeMake(512, 512) alignment:UITextAlignmentLeft fontName:@"Arial" fontSize:11];
glBindTexture(GL_TEXTURE_2D, [_text name]);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnableClientState(GL_VERTEX_ARRAY);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
[_text drawAtPoint:CGPointMake(.5,.5)];
[_text release];
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
}
我知道,因为这个方法循环,分配它会导致泄漏,所以我希望释放它不会出现问题。然而,在大约10秒后,尽管释放纹理,游戏崩溃了。我无法在init
方法中分配纹理,因为这会将文本限制为静态。
我还尝试修改Texture2D
类以允许动态文本,但无法成功。
更新:来自iPhone模拟器的崩溃报告
Process: Game [31087]
Path: /Users/robertfratto/Library/Application Support/iPhone Simulator/4.2/Applications/3AF59DDA-79AC-412D-A968-C80DABEC7B19/Game.app/Game
Identifier: Game
Version: ??? (???)
Code Type: X86 (Native)
Parent Process: ??? [31088]
Date/Time: 2011-01-10 01:06:45.059 -0500
OS Version: Mac OS X 10.6.6 (10J567)
Report Version: 6
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000000
Crashed Thread: 4
Application Specific Information:
iPhone Simulator 235, iPhone OS 4.2 (iPhone (Retina)/8C134)
Thread 0: Dispatch queue: com.apple.main-thread
0 dyld 0x8fe12fae ImageLoaderMachOClassic::prefetchLINKEDIT(ImageLoader::LinkContext const&) + 124
1 dyld 0x8fe1316a ImageLoaderMachOClassic::rebase(ImageLoader::LinkContext const&) + 82
2 dyld 0x8fe104d4 ImageLoaderMachO::doRebase(ImageLoader::LinkContext const&) + 286
3 dyld 0x8fe0cdb1 ImageLoader::recursiveRebase(ImageLoader::LinkContext const&) + 91
4 dyld 0x8fe0de70 ImageLoader::link(ImageLoader::LinkContext const&, bool, bool, ImageLoader::RPathChain const&) + 158
5 dyld 0x8fe056af dyld::link(ImageLoader*, bool, ImageLoader::RPathChain const&) + 137
6 dyld 0x8fe0b242 dlopen + 471
7 libSystem.B.dylib 0x95fce8a8 dlopen + 66
8 com.apple.CoreGraphics 0x00ae3e71 load_function + 619
9 com.apple.CoreGraphics 0x00ae4016 CGLibraryLoadFunction + 193
10 com.apple.CoreGraphics 0x00b4501e load_library + 38
11 com.apple.CoreGraphics 0x00b450f5 load_vtable + 162
12 libSystem.B.dylib 0x95fe6900 pthread_once + 82
13 com.apple.CoreGraphics 0x00b44fec CGFontGetVTable + 37
14 com.apple.CoreGraphics 0x00ada052 CGFontFinderGetDefault + 28
15 com.apple.CoreGraphics 0x00b11c99 CGFontCreateWithFontName + 63
16 com.apple.CoreGraphics 0x00b11de6 CGFontCreateWithName + 57
17 GraphicsServices 0x011b9d3c GSFontCreateWithName + 494
18 UIKit 0x0019fa7b UINewFont + 100
19 UIKit 0x0019faa7 +[UIFont systemFontOfSize:traits:] + 33
20 UIKit 0x0019ee00 +[UIFont systemFontOfSize:] + 49
21 UIKit 0x0015a537 +[UILabel defaultFont] + 45
22 UIKit 0x0015ccc3 -[UILabel _commonInit] + 96
23 UIKit 0x0015ab0b -[UILabel initWithFrame:] + 98
24 Game 0x00002921 -[EAGLView initWithCoder:] + 264 (EAGLView.m:37)
25 UIKit 0x00232265 -[UIClassSwapper initWithCoder:] + 237
26 Foundation 0x00790c7c _decodeObjectBinary + 3296
27 Foundation 0x00791a4d -[NSKeyedUnarchiver _decodeArrayOfObjectsForKey:] + 1354
28 Foundation 0x0079207c -[NSArray(NSArray) initWithCoder:] + 596
29 Foundation 0x00790c7c _decodeObjectBinary + 3296
30 Foundation 0x0078fde9 _decodeObject + 224
31 UIKit 0x00072c5f -[UIView initWithCoder:] + 642
32 UIKit 0x0005f709 -[UIWindow initWithCoder:] + 89
33 Foundation 0x00790c7c _decodeObjectBinary + 3296
34 Foundation 0x0078fde9 _decodeObject + 224
35 UIKit 0x00231f43 -[UIRuntimeConnection initWithCoder:] + 212
36 Foundation 0x00790c7c _decodeObjectBinary + 3296
37 Foundation 0x00791a4d -[NSKeyedUnarchiver _decodeArrayOfObjectsForKey:] + 1354
38 Foundation 0x0079207c -[NSArray(NSArray) initWithCoder:] + 596
39 Foundation 0x00790c7c _decodeObjectBinary + 3296
40 Foundation 0x0078fde9 _decodeObject + 224
41 UIKit 0x00231200 -[UINib instantiateWithOwner:options:] + 804
42 UIKit 0x00233081 -[NSBundle(UINSBundleAdditions) loadNibNamed:owner:options:] + 168
43 UIKit 0x0003d943 -[UIApplication _loadMainNibFile] + 172
44 UIKit 0x0003e4ca -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 291
45 UIKit 0x00048db2 -[UIApplication handleEvent:withNewEvent:] + 1533
46 UIKit 0x00041202 -[UIApplication sendEvent:] + 71
47 UIKit 0x00046732 _UIApplicationHandleEvent + 7576
48 GraphicsServices 0x011bca36 PurpleEventCallback + 1550
49 CoreFoundation 0x00f29064 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52
50 CoreFoundation 0x00e896f7 __CFRunLoopDoSource1 + 215
51 CoreFoundation 0x00e86983 __CFRunLoopRun + 979
52 CoreFoundation 0x00e86240 CFRunLoopRunSpecific + 208
53 CoreFoundation 0x00e86161 CFRunLoopRunInMode + 97
54 UIKit 0x0003dfa8 -[UIApplication _run] + 636
55 UIKit 0x0004a42e UIApplicationMain + 1160
56 Game 0x00002510 main + 102 (main.m:13)
57 Game 0x000024a1 start + 53
Thread 1: Dispatch queue: com.apple.libdispatch-manager
0 libSystem.B.dylib 0x95fee982 kevent + 10
1 libSystem.B.dylib 0x95fef09c _dispatch_mgr_invoke + 215
2 libSystem.B.dylib 0x95fee559 _dispatch_queue_invoke + 163
3 libSystem.B.dylib 0x95fee2fe _dispatch_worker_thread2 + 240
4 libSystem.B.dylib 0x95fedd81 _pthread_wqthread + 390
5 libSystem.B.dylib 0x95fedbc6 start_wqthread + 30
Thread 2:
0 libSystem.B.dylib 0x95feda12 __workq_kernreturn + 10
1 libSystem.B.dylib 0x95fedfa8 _pthread_wqthread + 941
2 libSystem.B.dylib 0x95fedbc6 start_wqthread + 30
Thread 3: WebThread
0 libSystem.B.dylib 0x95fc80fa mach_msg_trap + 10
1 libSystem.B.dylib 0x95fc8867 mach_msg + 68
2 CoreFoundation 0x00f294a6 __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x00e86874 __CFRunLoopRun + 708
4 CoreFoundation 0x00e86240 CFRunLoopRunSpecific + 208
5 CoreFoundation 0x00e86161 CFRunLoopRunInMode + 97
6 WebCore 0x01e4f423 RunWebThread(void*) + 499
7 libSystem.B.dylib 0x95ff585d _pthread_start + 345
8 libSystem.B.dylib 0x95ff56e2 thread_start + 34
Thread 4 Crashed:
Thread 4 crashed with X86 Thread State (32-bit):
eax: 0x00000000 ebx: 0x00000000 ecx: 0x00000000 edx: 0x00000000
edi: 0x00000000 esi: 0x00000000 ebp: 0x00000000 esp: 0x00000000
ss: 0x0000001f efl: 0x00010202 eip: 0x00000000 cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x0000001f gs: 0x0000001f
cr2: 0x00000000
Binary Images:
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0x780000 - 0x941fe7 +Foundation 751.49.0 (compatibility 300.0.0) <DB9A4461-C768-9B7B-E463-4568E3FAA179> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/Frameworks/Foundation.framework/Foundation
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0x11b5000 - 0x11c5fe3 +GraphicsServices 14.0.0 (compatibility 1.0.0) <BA0B832B-2252-0434-BFD7-99415BEDF76B> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices
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0x142f000 - 0x1510ffb +ImageIO ??? (???) <6FAE198A-EAC4-9FBF-A922-1DF8200FD269> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/Frameworks/ImageIO.framework/ImageIO
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0x179b000 - 0x17aefff +SpringBoardServices ??? (???) <AE58FA0A-B824-CF60-3F40-4CEBBFC2F236> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/PrivateFrameworks/SpringBoardServices.framework/SpringBoardServices
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0x1822000 - 0x1890fe3 +CoreText ??? (???) <EE0D05CA-772A-9D07-7931-06B948B209D5> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/Frameworks/CoreText.framework/CoreText
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0x3288000 - 0x328bff7 +libAccessibility.dylib ??? (???) <BFB0EA39-9E6F-026C-0C23-66A12AB3D336> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/usr/lib/libAccessibility.dylib
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0x32d5000 - 0x3339feb +Security ??? (???) <1D093A0E-0E15-231C-F11D-0645230EF7A1> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/Frameworks/Security.framework/Security
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0x3588000 - 0x3589fff +DataMigration ??? (???) <87E44081-5DCB-6597-6865-90780FEB8597> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/PrivateFrameworks/DataMigration.framework/DataMigration
0x358e000 - 0x3591ff7 +MobileInstallation ??? (???) <DFD90490-F485-6945-1ABE-F4D6C7A94574> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/PrivateFrameworks/MobileInstallation.framework/MobileInstallation
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0x35ea000 - 0x35f5ff7 +AggregateDictionary ??? (???) <37904D52-6186-14BB-560B-D8B21316BB52> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/PrivateFrameworks/AggregateDictionary.framework/AggregateDictionary
0x3600000 - 0x3674ff7 +CoreAudio ??? (???) <0669925D-3993-07DC-9E76-369C1709553E> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/Frameworks/CoreAudio.framework/CoreAudio
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0x3fd1000 - 0x400cff7 +libGLImage.dylib ??? (???) <9318562A-FDB5-0722-FC9C-BA0057BD3F53> /Xcode4/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/System/Library/Frameworks/OpenGLES.framework/libGLImage.dylib
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0x93691000 - 0x93691ff7 com.apple.Accelerate 1.6 (Accelerate 1.6) <BC501C9F-7C20-961A-B135-0A457667D03C> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x937da000 - 0x937e6ff7 libkxld.dylib ??? (???) <F0E915AD-6B32-0D5E-D24B-B188447FDD23> /usr/lib/system/libkxld.dylib
0x93d7f000 - 0x93deeff7 libvMisc.dylib 268.0.1 (compatibility 1.0.0) <2FC2178F-FEF9-6E3F-3289-A6307B1A154C> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
0x94a6c000 - 0x94a6ffe7 libmathCommon.A.dylib 315.0.0 (compatibility 1.0.0) <1622A54F-1A98-2CBE-B6A4-2122981A500E> /usr/lib/system/libmathCommon.A.dylib
0x94e5b000 - 0x94f4fff7 libiconv.2.dylib 7.0.0 (compatibility 7.0.0) <9EC28185-D26F-533F-90C4-FBAA13A15947> /usr/lib/libiconv.2.dylib
0x94f50000 - 0x94fadff7 com.apple.framework.IOKit 2.0 (???) <A769737F-E0D6-FB06-29B4-915CF4F43420> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x95d23000 - 0x95d23ff7 com.apple.vecLib 3.6 (vecLib 3.6) <7362077A-890F-3AEF-A8AB-22247B10E106> /System/Library/Frameworks/vecLib.framework/Versions/A/vecLib
0x95fc7000 - 0x9616eff7 libSystem.B.dylib 125.2.1 (compatibility 1.0.0) <62291026-D016-705D-DC1E-FC2B09D47DE5> /usr/lib/libSystem.B.dylib
0x97153000 - 0x97195ff7 libvDSP.dylib 268.0.1 (compatibility 1.0.0) <3F0ED200-741B-4E27-B89F-634B131F5E9E> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
0x97997000 - 0x97a74ff7 com.apple.vImage 4.0 (4.0) <64597E4B-F144-DBB3-F428-0EC3D9A1219E> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
0x97e4c000 - 0x97e60fe7 libbsm.0.dylib ??? (???) <14CB053A-7C47-96DA-E415-0906BA1B78C9> /usr/lib/libbsm.0.dylib
0xffff0000 - 0xffff1fff libSystem.B.dylib ??? (???) <62291026-D016-705D-DC1E-FC2B09D47DE5> /usr/lib/libSystem.B.dylib
答案 0 :(得分:0)
你必须写
Texture2D * _text = [[Texture2D alloc] initWithString:textToDraw维度:CGSizeMake(512,512)alignment:UITextAlignmentLeft fontName:@“Arial”fontSize:11];
而不是 Texture2D * _text = [[[Texture2D alloc] initWithString:textToDraw维度:CGSizeMake(512,512)alignment:UITextAlignmentLeft fontName:@“Arial”fontSize:11] autorelease];它可能对您有所帮助。
答案 1 :(得分:0)
我不知道为什么,但由于(NSString*)theString
参数而崩溃了。目前,虽然不方便,但如果设置显示全局变量而不是通过参数定义的字符串,则游戏不会崩溃。
因此,如果我为每个要绘制的字符串创建一个单独的drawText
方法,它将起作用。