Oolite 1.91.0.7644-241112-7f5034b
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OOGraphicsResetManager.m
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1/*
2
3OOGraphicsResetManager.m
4
5
6Copyright (C) 2007-2013 Jens Ayton and contributors
7
8Permission is hereby granted, free of charge, to any person obtaining a copy
9of this software and associated documentation files (the "Software"), to deal
10in the Software without restriction, including without limitation the rights
11to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12copies of the Software, and to permit persons to whom the Software is
13furnished to do so, subject to the following conditions:
14
15The above copyright notice and this permission notice shall be included in all
16copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24SOFTWARE.
25
26*/
27
29#import "OOTexture.h"
31
32
34
35
36@implementation OOGraphicsResetManager
37
38- (void) dealloc
39{
40 if (sSingleton == self) sSingleton = nil;
41 [clients release];
42
43 [super dealloc];
44}
45
46
48{
49 if (sSingleton == nil) sSingleton = [[self alloc] init];
50 return sSingleton;
51}
52
53
54- (void) registerClient:(id<OOGraphicsResetClient>)client
55{
56 if (client != nil)
57 {
58 if (clients == nil) clients = [[NSMutableSet alloc] init];
59 [clients addObject:[NSValue valueWithPointer:client]];
60 }
61}
62
63
64- (void) unregisterClient:(id<OOGraphicsResetClient>)client
65{
66 [clients removeObject:[NSValue valueWithPointer:client]];
67}
68
69
70- (void) resetGraphicsState
71{
72 NSEnumerator *clientEnum = nil;
73 id client = nil;
74
75 OOGL(glFinish());
76
77 OOLog(@"rendering.reset.start", @"%@", @"Resetting graphics state.");
78 OOLogIndentIf(@"rendering.reset.start");
79
82
83 for (clientEnum = [clients objectEnumerator]; (client = [[clientEnum nextObject] pointerValue]); )
84 {
85 @try
86 {
87 [client resetGraphicsState];
88 }
89 @catch (NSException *exception)
90 {
91 OOLog(kOOLogException, @"***** EXCEPTION -- %@ : %@ -- ignored during graphics reset.", [exception name], [exception reason]);
92 }
93 }
94
95 OOLogOutdentIf(@"rendering.reset.start");
96 OOLog(@"rendering.reset.end", @"%@", @"End of graphics state reset.");
97}
98
99@end
100
101
102@implementation OOGraphicsResetManager (Singleton)
103
104/* Canonical singleton boilerplate.
105 See Cocoa Fundamentals Guide: Creating a Singleton Instance.
106 See also +sharedManager above.
107
108 // NOTE: assumes single-threaded first access.
109*/
110
111+ (id) allocWithZone:(NSZone *)inZone
112{
113 if (sSingleton == nil)
114 {
115 sSingleton = [super allocWithZone:inZone];
116 return sSingleton;
117 }
118 return nil;
119}
120
121
122- (id) copyWithZone:(NSZone *)inZone
123{
124 return self;
125}
126
127
128- (id) retain
129{
130 return self;
131}
132
133
134- (NSUInteger) retainCount
135{
136 return UINT_MAX;
137}
138
139
140- (void) release
141{}
142
143
144- (id) autorelease
145{
146 return self;
147}
148
149@end
static OODebugMonitor * sSingleton
static OOGraphicsResetManager * sSingleton
NSString *const kOOLogException
Definition OOLogging.m:651
#define OOLogOutdentIf(class)
Definition OOLogging.h:102
#define OOLog(class, format,...)
Definition OOLogging.h:88
#define OOLogIndentIf(class)
Definition OOLogging.h:101
#define OOGL(statement)
Definition OOOpenGL.h:251
return nil
OOGraphicsResetManager * sharedManager()
OOOpenGLExtensionManager * sharedManager()
void rebindAllTextures()
Definition OOTexture.m:373