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/*
* cocos2d for iPhone: http://www.cocos2d-iphone.org
*
* Copyright (c) 2010 Stuart Carnie
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#import "../ccConfig.h"
#if CC_ENABLE_PROFILERS
#import "CCProfiling.h"
@interface CCProfilingTimer()
- (id)initWithName:(NSString*)timerName andInstance:(id)instance;
@end
@implementation CCProfiler
static CCProfiler* g_sharedProfiler;
+ (CCProfiler*)sharedProfiler {
if (!g_sharedProfiler)
g_sharedProfiler = [[CCProfiler alloc] init];
return g_sharedProfiler;
}
+ (CCProfilingTimer*)timerWithName:(NSString*)timerName andInstance:(id)instance {
CCProfiler* p = [CCProfiler sharedProfiler];
CCProfilingTimer* t = [[CCProfilingTimer alloc] initWithName:timerName andInstance:instance];
[p->activeTimers addObject:t];
[t release];
return t;
}
+ (void)releaseTimer:(CCProfilingTimer*)timer {
CCProfiler* p = [CCProfiler sharedProfiler];
[p->activeTimers removeObject:timer];
}
- (id)init {
if (!(self = [super init])) return nil;
activeTimers = [[NSMutableArray alloc] init];
return self;
}
- (void)dealloc {
[activeTimers release];
[super dealloc];
}
- (void)displayTimers {
for (id timer in activeTimers) {
printf("%s\n", [[timer description] cStringUsingEncoding:[NSString defaultCStringEncoding]]);
}
}
@end
@implementation CCProfilingTimer
- (id)initWithName:(NSString*)timerName andInstance:(id)instance {
if (!(self = [super init])) return nil;
name = [[NSString stringWithFormat:@"%@ (0x%.8x)", timerName, instance] retain];
return self;
}
- (void)dealloc {
[name release];
[super dealloc];
}
- (NSString*)description {
return [NSString stringWithFormat:@"%@ : avg time, %fms", name, averageTime];
}
void CCProfilingBeginTimingBlock(CCProfilingTimer* timer) {
gettimeofday(&timer->startTime, NULL);
}
typedef unsigned int uint32;
void CCProfilingEndTimingBlock(CCProfilingTimer* timer) {
struct timeval currentTime;
gettimeofday(¤tTime, NULL);
timersub(¤tTime, &timer->startTime, ¤tTime);
double duration = currentTime.tv_sec * 1000.0 + currentTime.tv_usec / 1000.0;
// return in milliseconds
timer->averageTime = (timer->averageTime + duration) / 2.0f;
}
@end
#endif
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