mirror of https://github.com/axmolengine/axmol.git
752 lines
19 KiB
C++
752 lines
19 KiB
C++
/****************************************************************************
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Copyright (c) 2010-2011 cocos2d-x.org
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Copyright (c) 2008-2010 Ricardo Quesada
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Copyright (c) 2011 Zynga Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include <stack>
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#include <string>
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#include <cctype>
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#include <queue>
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#include "CCTextureCache.h"
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#include "CCTexture2D.h"
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#include "ccMacros.h"
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#include "CCData.h"
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#include "CCDirector.h"
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#include "platform/platform.h"
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#include "CCFileUtils.h"
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#include "CCImage.h"
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#include "support/ccUtils.h"
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#include "CCScheduler.h"
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#include "pthread.h"
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#include "CCThread.h"
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#include "semaphore.h"
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namespace cocos2d {
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typedef struct _AsyncStruct
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{
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std::string filename;
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SelectorProtocol *target;
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SEL_CallFuncO selector;
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} AsyncStruct;
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typedef struct _ImageInfo
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{
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AsyncStruct *asyncStruct;
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CCImage *image;
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} ImageInfo;
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static pthread_t s_loadingThread;
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static pthread_mutex_t s_asyncStructQueueMutex;
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static pthread_mutex_t s_ImageInfoMutex;
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static sem_t s_sem;
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static std::queue<AsyncStruct*> *s_pAsyncStructQueue;
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static std::queue<ImageInfo*> *s_pImageQueue;
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static void* loadImage(void* data)
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{
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// create autorelease pool for iOS
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CCThread thread;
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thread.createAutoreleasePool();
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AsyncStruct *pAsyncStruct = NULL;
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while (true)
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{
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// wait for rendering thread to ask for loading if s_pAsyncStructQueue is empty
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sem_wait(&s_sem);
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std::queue<AsyncStruct*> *pQueue = s_pAsyncStructQueue;
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pthread_mutex_lock(&s_asyncStructQueueMutex);// get async struct from queue
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if (pQueue->empty())
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{
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pthread_mutex_unlock(&s_asyncStructQueueMutex);
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continue;
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}
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else
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{
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pAsyncStruct = pQueue->front();
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pQueue->pop();
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pthread_mutex_unlock(&s_asyncStructQueueMutex);
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}
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const char *filename = pAsyncStruct->filename.c_str();
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CCLOG("thread 0x%x is loading image %s", pthread_self(), filename);
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// generate image
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CCImage *pImage = NULL;
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if (std::string::npos != pAsyncStruct->filename.find(".jpg") || std::string::npos != pAsyncStruct->filename.find(".jpeg"))
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{
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pImage = new CCImage();
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if (!pImage->initWithImageFileThreadSafe(filename, cocos2d::CCImage::kFmtJpg))
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{
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delete pImage;
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CCLOG("can not load %s", filename);
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continue;
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}
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}
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else if (std::string::npos != pAsyncStruct->filename.find(".png"))
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{
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pImage = new CCImage();
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if (! pImage->initWithImageFileThreadSafe(filename, cocos2d::CCImage::kFmtPng))
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{
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delete pImage;
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CCLOG("can not load %s", filename);
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continue;
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}
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}
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else
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{
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CCLog("unsupportted format %s",filename);
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delete pAsyncStruct;
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continue;
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}
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// generate image info
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ImageInfo *pImageInfo = new ImageInfo();
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pImageInfo->asyncStruct = pAsyncStruct;
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pImageInfo->image = pImage;
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// put the image info into the queue
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pthread_mutex_lock(&s_ImageInfoMutex);
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s_pImageQueue->push(pImageInfo);
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pthread_mutex_unlock(&s_ImageInfoMutex);
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}
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return 0;
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}
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// implementation CCTextureCache
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// TextureCache - Alloc, Init & Dealloc
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static CCTextureCache *g_sharedTextureCache;
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CCTextureCache * CCTextureCache::sharedTextureCache()
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{
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if (!g_sharedTextureCache)
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g_sharedTextureCache = new CCTextureCache();
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return g_sharedTextureCache;
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}
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CCTextureCache::CCTextureCache()
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{
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CCAssert(g_sharedTextureCache == NULL, "Attempted to allocate a second instance of a singleton.");
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m_pTextures = new CCMutableDictionary<std::string, CCTexture2D*>();
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}
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CCTextureCache::~CCTextureCache()
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{
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CCLOGINFO("cocos2d: deallocing CCTextureCache.");
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CC_SAFE_RELEASE(m_pTextures);
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}
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void CCTextureCache::purgeSharedTextureCache()
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{
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CC_SAFE_RELEASE_NULL(g_sharedTextureCache);
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}
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char * CCTextureCache::description()
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{
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char *ret = new char[100];
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sprintf(ret, "<CCTextureCache | Number of textures = %u>", m_pTextures->count());
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return ret;
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}
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void CCTextureCache::addImageAsync(const char *path, SelectorProtocol *target, SEL_CallFuncO selector)
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{
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CCAssert(path != NULL, "TextureCache: fileimage MUST not be NULL");
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CCTexture2D *texture = NULL;
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// optimization
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std::string pathKey = path;
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CCFileUtils::ccRemoveHDSuffixFromFile(pathKey);
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pathKey = CCFileUtils::fullPathFromRelativePath(pathKey.c_str());
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texture = m_pTextures->objectForKey(pathKey);
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std::string fullpath = pathKey;
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if (texture != NULL)
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{
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if (target && selector)
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{
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(target->*selector)(texture);
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}
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return;
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}
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if (target)
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{
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target->selectorProtocolRetain();
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}
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// lazy init
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static bool firstRun = true;
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if (firstRun)
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{
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s_pAsyncStructQueue = new queue<AsyncStruct*>();
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s_pImageQueue = new queue<ImageInfo*>();
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pthread_mutex_init(&s_asyncStructQueueMutex, NULL);
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sem_init(&s_sem, 0, 0);
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pthread_mutex_init(&s_ImageInfoMutex, NULL);
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pthread_create(&s_loadingThread, NULL, loadImage, NULL);
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CCScheduler::sharedScheduler()->scheduleSelector(schedule_selector(CCTextureCache::addImageAsyncCallBack), this, 0, false);
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firstRun = false;
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}
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// generate async struct
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AsyncStruct *data = new AsyncStruct();
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data->filename = fullpath.c_str();
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data->target = target;
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data->selector = selector;
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// add async struct into queue
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pthread_mutex_lock(&s_asyncStructQueueMutex);
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s_pAsyncStructQueue->push(data);
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pthread_mutex_unlock(&s_asyncStructQueueMutex);
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sem_post(&s_sem);
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}
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void CCTextureCache::addImageAsyncCallBack(ccTime dt)
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{
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// the image is generated in loading thread
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std::queue<ImageInfo*> *imagesQueue = s_pImageQueue;
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pthread_mutex_lock(&s_ImageInfoMutex);
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if (imagesQueue->empty())
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{
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pthread_mutex_unlock(&s_ImageInfoMutex);
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}
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else
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{
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ImageInfo *pImageInfo = imagesQueue->front();
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imagesQueue->pop();
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pthread_mutex_unlock(&s_ImageInfoMutex);
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AsyncStruct *pAsyncStruct = pImageInfo->asyncStruct;
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CCImage *pImage = pImageInfo->image;
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SelectorProtocol *target = pAsyncStruct->target;
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SEL_CallFuncO selector = pAsyncStruct->selector;
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const char* filename = pAsyncStruct->filename.c_str();
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// generate texture in render thread
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CCTexture2D *texture = new CCTexture2D();
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texture->initWithImage(pImage);
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// cache the texture
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m_pTextures->setObject(texture, filename);
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texture->autorelease();
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if (target && selector)
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{
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(target->*selector)(texture);
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target->selectorProtocolRelease();
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}
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delete pImage;
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delete pAsyncStruct;
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delete pImageInfo;
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}
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}
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CCTexture2D * CCTextureCache::addImage(const char * path)
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{
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CCAssert(path != NULL, "TextureCache: fileimage MUST not be NULL");
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CCTexture2D * texture = NULL;
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// Split up directory and filename
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// MUTEX:
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// Needed since addImageAsync calls this method from a different thread
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//pthread_mutex_lock(m_pDictLock);
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// remove possible -HD suffix to prevent caching the same image twice (issue #1040)
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std::string pathKey = path;
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CCFileUtils::ccRemoveHDSuffixFromFile(pathKey);
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pathKey = CCFileUtils::fullPathFromRelativePath(pathKey.c_str());
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texture = m_pTextures->objectForKey(pathKey);
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std::string fullpath = pathKey; // (CCFileUtils::fullPathFromRelativePath(path));
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if( ! texture )
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{
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std::string lowerCase(path);
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for (unsigned int i = 0; i < lowerCase.length(); ++i)
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{
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lowerCase[i] = tolower(lowerCase[i]);
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}
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// all images are handled by UIImage except PVR extension that is handled by our own handler
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do
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{
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if (std::string::npos != lowerCase.find(".pvr"))
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{
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texture = this->addPVRImage(fullpath.c_str());
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}
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// Issue #886: TEMPORARY FIX FOR TRANSPARENT JPEGS IN IOS4
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else if (std::string::npos != lowerCase.find(".jpg") || std::string::npos != lowerCase.find(".jpeg"))
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{
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CCImage image;
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CCFileData data(fullpath.c_str(), "rb");
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unsigned long nSize = data.getSize();
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unsigned char* pBuffer = data.getBuffer();
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CC_BREAK_IF(! image.initWithImageData((void*)pBuffer, nSize, CCImage::kFmtJpg));
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texture = new CCTexture2D();
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texture->initWithImage(&image);
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if( texture )
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{
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#if CC_ENABLE_CACHE_TEXTTURE_DATA
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// cache the texture file name
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VolatileTexture::addImageTexture(texture, fullpath.c_str(), CCImage::kFmtJpg);
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#endif
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m_pTextures->setObject(texture, pathKey);
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// autorelease prevents possible crash in multithreaded environments
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texture->autorelease();
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}
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else
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{
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CCLOG("cocos2d: Couldn't add image:%s in CCTextureCache", path);
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}
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}
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else
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{
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// prevents overloading the autorelease pool
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CCImage image;
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CCFileData data(fullpath.c_str(), "rb");
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unsigned long nSize = data.getSize();
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unsigned char* pBuffer = data.getBuffer();
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CC_BREAK_IF(! image.initWithImageData((void*)pBuffer, nSize, CCImage::kFmtPng));
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texture = new CCTexture2D();
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texture->initWithImage(&image);
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if( texture )
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{
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#if CC_ENABLE_CACHE_TEXTTURE_DATA
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// cache the texture file name
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VolatileTexture::addImageTexture(texture, fullpath.c_str(), CCImage::kFmtPng);
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#endif
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m_pTextures->setObject(texture, pathKey);
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// autorelease prevents possible crash in multithreaded environments
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texture->autorelease();
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}
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else
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{
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CCLOG("cocos2d: Couldn't add image:%s in CCTextureCache", path);
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}
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}
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} while (0);
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}
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//pthread_mutex_unlock(m_pDictLock);
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return texture;
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}
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#ifdef CC_SUPPORT_PVRTC
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CCTexture2D* CCTextureCache::addPVRTCImage(const char* path, int bpp, bool hasAlpha, int width)
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{
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CCAssert(path != NULL, "TextureCache: fileimage MUST not be nill");
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CCAssert( bpp==2 || bpp==4, "TextureCache: bpp must be either 2 or 4");
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CCTexture2D * texture;
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std::string temp(path);
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CCFileUtils::ccRemoveHDSuffixFromFile(temp);
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if ( (texture = m_pTextures->objectForKey(temp)) )
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{
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return texture;
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}
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// Split up directory and filename
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std::string fullpath( CCFileUtils::fullPathFromRelativePath(path) );
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CCData * data = CCData::dataWithContentsOfFile(fullpath);
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texture = new CCTexture2D();
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if( texture->initWithPVRTCData(data->bytes(), 0, bpp, hasAlpha, width,
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(bpp==2 ? kCCTexture2DPixelFormat_PVRTC2 : kCCTexture2DPixelFormat_PVRTC4)))
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{
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m_pTextures->setObject(texture, temp);
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texture->autorelease();
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}
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else
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{
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CCLOG("cocos2d: Couldn't add PVRTCImage:%s in CCTextureCache",path);
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}
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CC_SAFE_DELETE(data);
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return texture;
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}
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#endif // CC_SUPPORT_PVRTC
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CCTexture2D * CCTextureCache::addPVRImage(const char* path)
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{
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CCAssert(path != NULL, "TextureCache: fileimage MUST not be nill");
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CCTexture2D * tex;
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std::string key(path);
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// remove possible -HD suffix to prevent caching the same image twice (issue #1040)
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CCFileUtils::ccRemoveHDSuffixFromFile(key);
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if( (tex = m_pTextures->objectForKey(key)) )
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{
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return tex;
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}
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// Split up directory and filename
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std::string fullpath = CCFileUtils::fullPathFromRelativePath(key.c_str());
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tex = new CCTexture2D();
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if( tex->initWithPVRFile(fullpath.c_str()) )
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{
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m_pTextures->setObject(tex, key);
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tex->autorelease();
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}
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else
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{
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CCLOG("cocos2d: Couldn't add PVRImage:%s in CCTextureCache",key.c_str());
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}
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return tex;
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}
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CCTexture2D* CCTextureCache::addUIImage(CCImage *image, const char *key)
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{
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CCAssert(image != NULL && key != NULL, "TextureCache: image MUST not be nill");
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CCTexture2D * texture = NULL;
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// textureForKey() use full path,so the key should be full path
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std::string forKey = CCFileUtils::fullPathFromRelativePath(key);
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//m_pDictLock->lock();
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do
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{
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// If key is nil, then create a new texture each time
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if((texture = m_pTextures->objectForKey(forKey)))
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{
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break;
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}
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// prevents overloading the autorelease pool
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texture = new CCTexture2D();
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texture->initWithImage(image);
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if(texture)
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{
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m_pTextures->setObject(texture, forKey);
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texture->autorelease();
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}
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else
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{
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CCLOG("cocos2d: Couldn't add UIImage in CCTextureCache");
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}
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} while (0);
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//m_pDictLock->unlock();
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return texture;
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}
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// TextureCache - Remove
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void CCTextureCache::removeAllTextures()
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{
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m_pTextures->removeAllObjects();
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}
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void CCTextureCache::removeUnusedTextures()
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{
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std::vector<std::string> keys = m_pTextures->allKeys();
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std::vector<std::string>::iterator it;
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for (it = keys.begin(); it != keys.end(); ++it)
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{
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CCTexture2D *value = m_pTextures->objectForKey(*it);
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if (value->retainCount() == 1)
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{
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CCLOG("cocos2d: CCTextureCache: removing unused texture: %s", (*it).c_str());
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m_pTextures->removeObjectForKey(*it);
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}
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}
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}
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void CCTextureCache::removeTexture(CCTexture2D* texture)
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{
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if( ! texture )
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return;
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std::vector<std::string> keys = m_pTextures->allKeysForObject(texture);
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for (unsigned int i = 0; i < keys.size(); i++)
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{
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m_pTextures->removeObjectForKey(keys[i]);
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}
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}
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void CCTextureCache::removeTextureForKey(const char *textureKeyName)
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{
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if (textureKeyName == NULL)
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{
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return;
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}
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string fullPath = CCFileUtils::fullPathFromRelativePath(textureKeyName);
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m_pTextures->removeObjectForKey(fullPath);
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}
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CCTexture2D* CCTextureCache::textureForKey(const char* key)
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{
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std::string strKey = CCFileUtils::fullPathFromRelativePath(key);
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return m_pTextures->objectForKey(strKey);
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}
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void CCTextureCache::reloadAllTextures()
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{
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#if CC_ENABLE_CACHE_TEXTTURE_DATA
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VolatileTexture::reloadAllTextures();
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#endif
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}
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void CCTextureCache::dumpCachedTextureInfo()
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{
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unsigned int count = 0;
|
|
unsigned int totalBytes = 0;
|
|
|
|
vector<string> keys = m_pTextures->allKeys();
|
|
vector<string>::iterator iter;
|
|
for (iter = keys.begin(); iter != keys.end(); iter++)
|
|
{
|
|
CCTexture2D *tex = m_pTextures->objectForKey(*iter);
|
|
unsigned int bpp = tex->bitsPerPixelForFormat();
|
|
// Each texture takes up width * height * bytesPerPixel bytes.
|
|
unsigned int bytes = tex->getPixelsWide() * tex->getPixelsHigh() * bpp / 8;
|
|
totalBytes += bytes;
|
|
count++;
|
|
CCLOG("cocos2d: \"%s\" rc=%lu id=%lu %lu x %lu @ %ld bpp => %lu KB",
|
|
(*iter).c_str(),
|
|
(long)tex->retainCount(),
|
|
(long)tex->getName(),
|
|
(long)tex->getPixelsWide(),
|
|
(long)tex->getPixelsHigh(),
|
|
(long)bpp,
|
|
(long)bytes / 1024);
|
|
}
|
|
|
|
CCLOG("cocos2d: CCTextureCache dumpDebugInfo: %ld textures, for %lu KB (%.2f MB)", (long)count, (long)totalBytes / 1024, totalBytes / (1024.0f*1024.0f));
|
|
}
|
|
|
|
#if CC_ENABLE_CACHE_TEXTTURE_DATA
|
|
|
|
std::list<VolatileTexture*> VolatileTexture::textures;
|
|
bool VolatileTexture::isReloading = false;
|
|
|
|
VolatileTexture::VolatileTexture(CCTexture2D *t)
|
|
: texture(t)
|
|
, m_eCashedImageType(kInvalid)
|
|
, m_pTextureData(NULL)
|
|
, m_PixelFormat(kTexture2DPixelFormat_RGBA8888)
|
|
, m_strFileName("")
|
|
, m_FmtImage(CCImage::kFmtPng)
|
|
, m_alignment(CCTextAlignmentCenter)
|
|
, m_strFontName("")
|
|
, m_strText("")
|
|
, m_fFontSize(0.0f)
|
|
{
|
|
m_size = CCSizeMake(0, 0);
|
|
textures.push_back(this);
|
|
}
|
|
|
|
VolatileTexture::~VolatileTexture()
|
|
{
|
|
textures.remove(this);
|
|
}
|
|
|
|
void VolatileTexture::addImageTexture(CCTexture2D *tt, const char* imageFileName, CCImage::EImageFormat format)
|
|
{
|
|
if (isReloading)
|
|
return;
|
|
|
|
VolatileTexture *vt = 0;
|
|
std::list<VolatileTexture *>::iterator i = textures.begin();
|
|
while( i != textures.end() )
|
|
{
|
|
VolatileTexture *v = *i++;
|
|
if (v->texture == tt) {
|
|
vt = v;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!vt)
|
|
vt = new VolatileTexture(tt);
|
|
|
|
vt->m_eCashedImageType = kImageFile;
|
|
vt->m_strFileName = imageFileName;
|
|
vt->m_FmtImage = format;
|
|
}
|
|
|
|
void VolatileTexture::addDataTexture(CCTexture2D *tt, void* data, CCTexture2DPixelFormat pixelFormat, const CCSize& contentSize)
|
|
{
|
|
if (isReloading)
|
|
return;
|
|
|
|
VolatileTexture *vt = 0;
|
|
std::list<VolatileTexture *>::iterator i = textures.begin();
|
|
while( i != textures.end() )
|
|
{
|
|
VolatileTexture *v = *i++;
|
|
if (v->texture == tt) {
|
|
vt = v;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!vt)
|
|
vt = new VolatileTexture(tt);
|
|
|
|
vt->m_eCashedImageType = kImageData;
|
|
vt->m_pTextureData = data;
|
|
vt->m_PixelFormat = pixelFormat;
|
|
vt->m_TextureSize = contentSize;
|
|
}
|
|
|
|
void VolatileTexture::addStringTexture(CCTexture2D *tt, const char* text, const CCSize& dimensions, CCTextAlignment alignment, const char *fontName, float fontSize)
|
|
{
|
|
if (isReloading)
|
|
return;
|
|
|
|
VolatileTexture *vt = 0;
|
|
std::list<VolatileTexture *>::iterator i = textures.begin();
|
|
while( i != textures.end() )
|
|
{
|
|
VolatileTexture *v = *i++;
|
|
if (v->texture == tt) {
|
|
vt = v;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!vt)
|
|
vt = new VolatileTexture(tt);
|
|
|
|
vt->m_eCashedImageType = kString;
|
|
vt->m_size = dimensions;
|
|
vt->m_strFontName = fontName;
|
|
vt->m_alignment = alignment;
|
|
vt->m_fFontSize = fontSize;
|
|
vt->m_strText = text;
|
|
}
|
|
|
|
void VolatileTexture::removeTexture(CCTexture2D *t) {
|
|
|
|
std::list<VolatileTexture *>::iterator i = textures.begin();
|
|
while( i != textures.end() )
|
|
{
|
|
VolatileTexture *vt = *i++;
|
|
if (vt->texture == t) {
|
|
delete vt;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void VolatileTexture::reloadAllTextures()
|
|
{
|
|
isReloading = true;
|
|
|
|
CCLOG("reload all texture");
|
|
std::list<VolatileTexture *>::iterator i = textures.begin();
|
|
|
|
while( i != textures.end() )
|
|
{
|
|
VolatileTexture *vt = *i++;
|
|
|
|
switch (vt->m_eCashedImageType)
|
|
{
|
|
case kImageFile:
|
|
{
|
|
CCImage image;
|
|
CCFileData data(vt->m_strFileName.c_str(), "rb");
|
|
unsigned long nSize = data.getSize();
|
|
unsigned char* pBuffer = data.getBuffer();
|
|
|
|
if (image.initWithImageData((void*)pBuffer, nSize, vt->m_FmtImage))
|
|
{
|
|
vt->texture->initWithImage(&image);
|
|
}
|
|
}
|
|
break;
|
|
case kImageData:
|
|
{
|
|
unsigned int nPOTWide, nPOTHigh;
|
|
nPOTWide = ccNextPOT((int)vt->m_TextureSize.width);
|
|
nPOTHigh = ccNextPOT((int)vt->m_TextureSize.height);
|
|
vt->texture->initWithData(vt->m_pTextureData, vt->m_PixelFormat, nPOTWide, nPOTHigh, vt->m_TextureSize);
|
|
}
|
|
break;
|
|
case kString:
|
|
{
|
|
vt->texture->initWithString(vt->m_strText.c_str(),
|
|
vt->m_size,
|
|
vt->m_alignment,
|
|
vt->m_strFontName.c_str(),
|
|
vt->m_fFontSize);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
isReloading = false;
|
|
}
|
|
|
|
#endif // CC_ENABLE_CACHE_TEXTTURE_DATA
|
|
|
|
}//namespace cocos2d
|
|
|