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Merge branch 'fix-sky' into 'master'

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Fix building mwrender/sky with OSG 3.6.5

See merge request OpenMW/openmw!162
This commit is contained in:
AnyOldName3 2020-03-01 16:43:13 +00:00
commit 52fa20fb1c
1 changed files with 14 additions and 3 deletions
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17
apps/openmw/mwrender/sky.cpp
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@ -16,6 +16,7 @@
#include <osg/BlendFunc>
#include <osg/AlphaFunc>
#include <osg/PolygonOffset>
#include <osg/Version>
#include <osg/observer_ptr>
#include <osgParticle/BoxPlacer>
@ -558,19 +559,25 @@ private:
osg::ref_ptr<osg::OcclusionQueryNode> oqn = new osg::OcclusionQueryNode;
oqn->setQueriesEnabled(true);
#if OSG_VERSION_GREATER_OR_EQUAL(3, 6, 5)
// With OSG 3.6.5, the method of providing user defined query geometry has been completely replaced
osg::ref_ptr<osg::QueryGeometry> queryGeom = new osg::QueryGeometry(oqn->getName());
#else
osg::ref_ptr<osg::QueryGeometry> queryGeom = oqn->getQueryGeometry();
#endif
// Make it fast! A DYNAMIC query geometry means we can't break frame until the flare is rendered (which is rendered after all the other geometry,
// so that would be pretty bad). STATIC should be safe, since our node's local bounds are static, thus computeBounds() which modifies the queryGeometry
// is only called once.
// Note the debug geometry setDebugDisplay(true) is always DYNAMIC and that can't be changed, not a big deal.
oqn->getQueryGeometry()->setDataVariance(osg::Object::STATIC);
queryGeom->setDataVariance(osg::Object::STATIC);
// Set up the query geometry to match the actual sun's rendering shape. osg::OcclusionQueryNode wasn't originally intended to allow this,
// normally it would automatically adjust the query geometry to match the sub graph's bounding box. The below hack is needed to
// circumvent this.
osg::Geometry* queryGeom = oqn->getQueryGeometry();
queryGeom->setVertexArray(mGeom->getVertexArray());
queryGeom->setTexCoordArray(0, mGeom->getTexCoordArray(0), osg::Array::BIND_PER_VERTEX);
queryGeom->removePrimitiveSet(0, oqn->getQueryGeometry()->getNumPrimitiveSets());
queryGeom->removePrimitiveSet(0, queryGeom->getNumPrimitiveSets());
queryGeom->addPrimitiveSet(mGeom->getPrimitiveSet(0));
// Hack to disable unwanted awful code inside OcclusionQueryNode::computeBound.
@ -578,6 +585,10 @@ private:
// Still need a proper bounding sphere.
oqn->setInitialBound(queryGeom->getBound());
#if OSG_VERSION_GREATER_OR_EQUAL(3, 6, 5)
oqn->setQueryGeometry(queryGeom.release());
#endif
osg::StateSet* queryStateSet = new osg::StateSet;
if (queryVisible)
{