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Code Issues Releases Wiki Activity

Do not recompute light sources per eye.

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This commit is contained in:
madsbuvi 2021-03-04 14:03:23 +01:00
parent e146f23578
commit 55bd6dd7fb
2 changed files with 30 additions and 25 deletions
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54
components/sceneutil/lightmanager.cpp
View file

@ -430,6 +430,8 @@ namespace SceneUtil
transformBoundingSphere(mat, nodeBound);
mLightList.clear();
mLightListCropped.clear();
for (unsigned int i=0; i<lights.size(); ++i)
{
const LightManager::LightSourceViewBound& l = lights[i];
@ -447,37 +449,39 @@ namespace SceneUtil
osg::StateSet* stateset = nullptr;
if (mLightList.size() > maxLights)
if (mLightListCropped.empty())
{
// remove lights culled by this camera
LightManager::LightList lightList = mLightList;
for (LightManager::LightList::iterator it = lightList.begin(); it != lightList.end() && lightList.size() > maxLights; )
mLightListCropped = mLightList;
if (mLightList.size() > maxLights)
{
osg::CullStack::CullingStack& stack = cv->getModelViewCullingStack();
osg::BoundingSphere bs = (*it)->mViewBound;
bs._radius = bs._radius*2;
osg::CullingSet& cullingSet = stack.front();
if (cullingSet.isCulled(bs))
// remove lights culled by this camera
for (LightManager::LightList::iterator it = mLightListCropped.begin(); it != mLightListCropped.end() && mLightListCropped.size() > maxLights; )
{
it = lightList.erase(it);
continue;
}
else
++it;
}
osg::CullStack::CullingStack& stack = cv->getModelViewCullingStack();
if (lightList.size() > maxLights)
{
// sort by proximity to camera, then get rid of furthest away lights
std::sort(lightList.begin(), lightList.end(), sortLights);
while (lightList.size() > maxLights)
lightList.pop_back();
osg::BoundingSphere bs = (*it)->mViewBound;
bs._radius = bs._radius * 2;
osg::CullingSet& cullingSet = stack.front();
if (cullingSet.isCulled(bs))
{
it = mLightListCropped.erase(it);
continue;
}
else
++it;
}
if (mLightListCropped.size() > maxLights)
{
// sort by proximity to camera, then get rid of furthest away lights
std::sort(mLightListCropped.begin(), mLightListCropped.end(), sortLights);
while (mLightListCropped.size() > maxLights)
mLightListCropped.pop_back();
}
}
stateset = mLightManager->getLightListStateSet(lightList, cv->getTraversalNumber());
}
else
stateset = mLightManager->getLightListStateSet(mLightList, cv->getTraversalNumber());
stateset = mLightManager->getLightListStateSet(mLightListCropped, cv->getTraversalNumber());
cv->pushStateSet(stateset);

1
components/sceneutil/lightmanager.hpp
View file

@ -182,6 +182,7 @@ namespace SceneUtil
LightManager* mLightManager;
unsigned int mLastFrameNumber;
LightManager::LightList mLightList;
LightManager::LightList mLightListCropped;
std::set<SceneUtil::LightSource*> mIgnoredLightSources;
};