RenderTargetNotifier.cpp
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RenderTargetNotifier.cpp
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	#include <echo/Graphics/RenderTargetNotifier.h>
	#include <echo/Graphics/RenderTarget.h>

	namespace Echo
	{
	RenderTargetNotifier::RenderTargetNotifier()
	{

	}

	RenderTargetNotifier::~RenderTargetNotifier()
	{

	}

	bool RenderTargetNotifier::AddRenderTarget(const std::string& name, shared_ptr<RenderTarget> renderTarget, bool isPrimary)
	{
	NamedRenderTargetMap::iterator it = mRenderTargets.find(name);
	if(it!=mRenderTargets.end())
	{
	ECHO_LOG_ERROR("RenderTarget already associated with name \"" << name << "\"");
	return false;
	}
	if(!mPrimaryRenderTarget \|\| isPrimary)
	{
	mPrimaryRenderTarget = renderTarget;
	}
	mRenderTargets.insert(std::make_pair(name, renderTarget));
	return true;
	}

	shared_ptr<RenderTarget> RenderTargetNotifier::GetRenderTarget(const std::string& name)
	{
	NamedRenderTargetMap::iterator it = mRenderTargets.find(name);
	if(it==mRenderTargets.end())
	{
	ECHO_LOG_ERROR("RenderTarget not found where name \"" << name << "\"");
	return shared_ptr<RenderTarget>();
	}
	return it->second;
	}

	void RenderTargetNotifier::RemoveRenderTarget(const std::string& name)
	{
	NamedRenderTargetMap::iterator it = mRenderTargets.find(name);
	if(it==mRenderTargets.end())
	{
	ECHO_LOG_ERROR("RenderTarget not found where name \"" << name << "\"");
	return;
	}
	mRenderTargets.erase(it);
	}

	void RenderTargetNotifier::RemoveAllRenderTargets()
	{
	mRenderTargets.clear();
	}

	shared_ptr<RenderTarget> RenderTargetNotifier::GetPrimaryRenderTarget() const
	{
	return mPrimaryRenderTarget;
	}

	void RenderTargetNotifier::GraphicsContextLost()
	{
	for(NamedRenderTargetPair& namedRenderTarget : mRenderTargets)
	{
	if(namedRenderTarget.second)
	{
	namedRenderTarget.second->ContextLost();
	}
	}
	}

	void RenderTargetNotifier::GraphicsContextRestored()
	{
	for(NamedRenderTargetPair& namedRenderTarget : mRenderTargets)
	{
	if(namedRenderTarget.second)
	{
	namedRenderTarget.second->ContextLost();
	}
	}
	}
	}

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