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- #include "renderer/CCGLProgramStateCache.h"
- #include "renderer/CCGLProgramState.h"
- #include "renderer/CCGLProgram.h"
- NS_CC_BEGIN
- GLProgramStateCache* GLProgramStateCache::s_instance = nullptr;
- GLProgramStateCache::GLProgramStateCache()
- {
- }
- GLProgramStateCache::~GLProgramStateCache()
- {
- _glProgramStates.clear();
- }
- GLProgramStateCache* GLProgramStateCache::getInstance()
- {
- if (s_instance == nullptr)
- s_instance = new (std::nothrow) GLProgramStateCache();
-
- return s_instance;
- }
- void GLProgramStateCache::destroyInstance()
- {
- CC_SAFE_DELETE(s_instance);
- }
- GLProgramState* GLProgramStateCache::getGLProgramState(GLProgram* glprogram)
- {
- const auto& itr = _glProgramStates.find(glprogram);
- if (itr != _glProgramStates.end())
- {
- return itr->second;
- }
-
- auto ret = new (std::nothrow) GLProgramState;
- if(ret && ret->init(glprogram)) {
- _glProgramStates.insert(glprogram, ret);
- ret->release();
- return ret;
- }
-
- CC_SAFE_RELEASE(ret);
- return ret;
- }
- void GLProgramStateCache::removeUnusedGLProgramState()
- {
- for( auto it=_glProgramStates.cbegin(); it!=_glProgramStates.cend(); ) {
- auto value = it->second;
- if( value->getReferenceCount() == 1 ) {
- CCLOG("cocos2d: GLProgramStateCache: removing unused GLProgramState");
-
- it = _glProgramStates.erase(it);
- } else {
- ++it;
- }
- }
- }
- void GLProgramStateCache::removeAllGLProgramState()
- {
- _glProgramStates.clear();
- }
- NS_CC_END
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