issue #3025: add getTextureCache() in CCdirector()

cocos/2d/CCDirector.cpp

@@ -145,6 +145,8 @@ bool Director::init(void)
     _scheduler->scheduleUpdateForTarget(_actionManager, Scheduler::PRIORITY_SYSTEM, false);
 
     _eventDispatcher = new EventDispatcher();
+    //init TextureCache
+    initTextureCache();
     
     // create autorelease pool
     PoolManager::sharedPoolManager()->push();
@@ -359,6 +361,29 @@ void Director::setOpenGLView(EGLView *pobOpenGLView)
     }
 }
 
+TextureCache* Director::getTextureCache() const
+{
+    return _textureCache;
+}
+
+void Director::initTextureCache()
+{
+#ifdef EMSCRIPTEN
+    _textureCache = new TextureCacheEmscripten();
+#else
+    _textureCache = new TextureCache();
+#endif // EMSCRIPTEN
+}
+
+void Director::destroyTextureCache()
+{
+    if (_textureCache)
+    {
+        _textureCache->waitForQuit();
+        CC_SAFE_RELEASE_NULL(_textureCache);
+    }
+}
+
 void Director::setViewport()
 {
     if (_openGLView)
@@ -693,7 +718,6 @@ void Director::purgeDirector()
     DrawPrimitives::free();
     AnimationCache::destroyInstance();
     SpriteFrameCache::destroyInstance();
-    TextureCache::destroyInstance();
     ShaderCache::destroyInstance();
     FileUtils::destroyInstance();
     Configuration::destroyInstance();
@@ -704,6 +728,8 @@ void Director::purgeDirector()
     
     GL::invalidateStateCache();
     
+    destroyTextureCache();
+
     CHECK_GL_ERROR_DEBUG();
     
     // OpenGL view

cocos/2d/CCDirector.h

@@ -54,6 +54,7 @@ class Node;
 class Scheduler;
 class ActionManager;
 class EventDispatcher;
+class TextureCache;
 
 /**
 @brief Class that creates and handles the main Window and manages how
@@ -137,6 +138,8 @@ public:
     inline EGLView* getOpenGLView() { return _openGLView; }
     void setOpenGLView(EGLView *pobOpenGLView);
 
+    TextureCache* getTextureCache() const;
+
     inline bool isNextDeltaTimeZero() { return _nextDeltaTimeZero; }
     void setNextDeltaTimeZero(bool nextDeltaTimeZero);
 
@@ -381,6 +384,10 @@ protected:
     /** calculates delta time since last time it was called */    
     void calculateDeltaTime();
 
+    //textureCache creation or release
+    void initTextureCache();
+    void destroyTextureCache();
+
 protected:
     /** Scheduler associated with this director
      @since v2.0
@@ -403,6 +410,9 @@ protected:
     /* The EGLView, where everything is rendered */
     EGLView    *_openGLView;
 
+    //texture cache belongs to this director
+    TextureCache *_textureCache;
+
     double _animationInterval;
     double _oldAnimationInterval;
 

cocos/2d/CCTextureCache.cpp

@@ -55,15 +55,7 @@ TextureCache* TextureCache::_sharedTextureCache = nullptr;
 
 TextureCache * TextureCache::getInstance()
 {
-    if (!_sharedTextureCache)
-    {
-#ifdef EMSCRIPTEN
-        _sharedTextureCache = new TextureCacheEmscripten();
-#else
-        _sharedTextureCache = new TextureCache();
-#endif // EMSCRIPTEN
-    }
-    return _sharedTextureCache;
+    return Director::getInstance()->getTextureCache();
 }
 
 TextureCache::TextureCache()
@@ -89,15 +81,6 @@ TextureCache::~TextureCache()
 
 void TextureCache::destroyInstance()
 {
-    if (_sharedTextureCache)
-    {
-        // notify sub thread to quick
-        _sharedTextureCache->_needQuit = true;
-        _sharedTextureCache->_sleepCondition.notify_one();
-        if (_sharedTextureCache->_loadingThread) _sharedTextureCache->_loadingThread->join();
-        
-        CC_SAFE_RELEASE_NULL(_sharedTextureCache);
-    }
 }
 
 const char* TextureCache::description() const
@@ -443,6 +426,14 @@ void TextureCache::reloadAllTextures()
 #endif
 }
 
+void TextureCache::waitForQuit()
+{
+    // notify sub thread to quick
+    _needQuit = true;
+    _sleepCondition.notify_one();
+    if (_loadingThread) _loadingThread->join();
+}
+
 void TextureCache::dumpCachedTextureInfo() const
 {
     unsigned int count = 0;

cocos/2d/CCTextureCache.h

@@ -158,6 +158,10 @@ public:
     */
     void dumpCachedTextureInfo() const;
 
+    //wait for texture cahe to quit befor destroy instance
+    //called by director, please do not called outside
+    void waitForQuit();
+
 private:
     void addImageAsyncCallBack(float dt);
     void loadImage();