93 lines
3 KiB
C++
93 lines
3 KiB
C++
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// TnzCore includes
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#include "tsmartpointer.h"
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// tcg includes
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#include "tcg/tcg_list.h"
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#include "tgldisplaylistsmanager.h"
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//***********************************************************************************************
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// Local namespace - declarations
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//***********************************************************************************************
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namespace {
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struct ProxyReference {
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TGLDisplayListsProxy *m_proxy;
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int m_refCount;
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ProxyReference(TGLDisplayListsProxy *proxy) : m_proxy(proxy), m_refCount() {}
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};
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} // namespace
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//***********************************************************************************************
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// Local namespace - globals
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//***********************************************************************************************
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namespace {
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tcg::list<ProxyReference> m_proxies;
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std::map<TGlContext, int> m_proxyIdsByContext;
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} // namespace
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//***********************************************************************************************
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// TGLDisplayListsManager implementation
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//***********************************************************************************************
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TGLDisplayListsManager *TGLDisplayListsManager::instance() {
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static TGLDisplayListsManager theInstance;
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return &theInstance;
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}
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//-----------------------------------------------------------------------------------
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int TGLDisplayListsManager::storeProxy(TGLDisplayListsProxy *proxy) {
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return m_proxies.push_back(ProxyReference(proxy));
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}
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//-----------------------------------------------------------------------------------
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void TGLDisplayListsManager::attachContext(int dlSpaceId, TGlContext context) {
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m_proxyIdsByContext.insert(std::make_pair(context, dlSpaceId));
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++m_proxies[dlSpaceId].m_refCount;
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}
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//-----------------------------------------------------------------------------------
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void TGLDisplayListsManager::releaseContext(TGlContext context) {
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std::map<TGlContext, int>::iterator it = m_proxyIdsByContext.find(context);
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assert(it != m_proxyIdsByContext.end());
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if (it == m_proxyIdsByContext.end()) return;
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int dlSpaceId = it->second;
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if (--m_proxies[dlSpaceId].m_refCount <= 0) {
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// Notify observers first
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observers_container::const_iterator ot, oEnd = observers().end();
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for (ot = observers().begin(); ot != oEnd; ++ot)
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static_cast<Observer *>(*ot)->onDisplayListDestroyed(dlSpaceId);
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// Then, destroy stuff
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delete m_proxies[dlSpaceId].m_proxy;
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m_proxies.erase(dlSpaceId);
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}
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m_proxyIdsByContext.erase(it);
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}
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//-----------------------------------------------------------------------------------
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int TGLDisplayListsManager::displayListsSpaceId(TGlContext context) {
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std::map<TGlContext, int>::iterator it = m_proxyIdsByContext.find(context);
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return (it == m_proxyIdsByContext.end()) ? -1 : it->second;
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}
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//-----------------------------------------------------------------------------------
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TGLDisplayListsProxy *TGLDisplayListsManager::dlProxy(int dlSpaceId) {
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return m_proxies[dlSpaceId].m_proxy;
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}
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