FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #714 from dan-t/reset_occlusion_query_test_result

Browse Source 
OcclusionQueryNode: reset the test result of the invalid geometry
This commit is contained in:
OpenSceneGraph git repository 2019-02-25 15:06:17 +00:00 committed by GitHub
commit 66a0168353
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/osg/OcclusionQueryNode.cpp
View File

@ -483,8 +483,15 @@ bool OcclusionQueryNode::getPassed( const Camera* camera, NodeVisitor& nv )
return _passed;
}
QueryGeometry* qg = static_cast< QueryGeometry* >( _queryGeode->getDrawable( 0 ) );
if ( !_validQueryGeometry )
{
// There're cases that the occlusion test result has been retrieved
// after the query geometry has been changed, it's the result of the
// geometry before the change.
qg->reset();
// The box of the query geometry is invalid, return false to not traverse
// the subgraphs.
_passed = false;
@ -513,7 +520,6 @@ bool OcclusionQueryNode::getPassed( const Camera* camera, NodeVisitor& nv )
_passed = true;
return _passed;
}
QueryGeometry* qg = static_cast< QueryGeometry* >( _queryGeode->getDrawable( 0 ) );
// Get the near plane for the upcoming distance calculation.
osg::Matrix::value_type nearPlane;