diff options
Diffstat (limited to 'indra/llrender/llrender2dutils.cpp')
| -rw-r--r-- | indra/llrender/llrender2dutils.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/indra/llrender/llrender2dutils.cpp b/indra/llrender/llrender2dutils.cpp index 508bccec11..4eb0203245 100644 --- a/indra/llrender/llrender2dutils.cpp +++ b/indra/llrender/llrender2dutils.cpp @@ -1570,6 +1570,10 @@ LLRender2D::LLRender2D(LLImageProviderInterface* image_provider) { mGLScaleFactor = LLVector2(1.f, 1.f); mImageProvider = image_provider; + if(mImageProvider) + { + mImageProvider->addOnRemovalCallback(resetProvider); + } } LLRender2D::~LLRender2D() @@ -1577,6 +1581,7 @@ LLRender2D::~LLRender2D() if(mImageProvider) { mImageProvider->cleanUp(); + mImageProvider->deleteOnRemovalCallback(resetProvider); } } @@ -1642,3 +1647,41 @@ LLPointer<LLUIImage> LLRender2D::getUIImage(const std::string& name, S32 priorit return NULL; } +// static +void LLRender2D::resetProvider() +{ + if (LLRender2D::instanceExists) + { + LLRender2D::getInstance()->mImageProvider = NULL; + } +} + +// class LLImageProviderInterface + +LLImageProviderInterface::~LLImageProviderInterface() +{ + for (callback_list_t::iterator iter = mCallbackList.begin(); iter != mCallbackList.end();) + { + callback_list_t::iterator curiter = iter++; + (*curiter)(); + } +} + +void LLImageProviderInterface::addOnRemovalCallback(callback_t func) +{ + if (!func) + { + return; + } + mCallbackList.push_back(func); +} + +void LLImageProviderInterface::deleteOnRemovalCallback(callback_t func) +{ + callback_list_t::iterator iter = std::find(mCallbackList.begin(), mCallbackList.end(), func); + if (iter != mCallbackList.end()) + { + mCallbackList.erase(iter); + } +} + |