X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Frenderer.cxx;h=32d7953380b417271fbedd5aead6ba626d1ae3df;hb=dee0b6459e41f7c08e74321c51f3149f955262a0;hp=2f1c5db0f31c924fb002da878b4f1cb94810d6fc;hpb=124713b1367402da5137a69ac9707784b3d41b31;p=flightgear.git

diff --git a/src/Main/renderer.cxx b/src/Main/renderer.cxx
index 2f1c5db0f..32d795338 100644
--- a/src/Main/renderer.cxx
+++ b/src/Main/renderer.cxx
@@ -47,6 +47,7 @@
 #include <osg/Notify>
 #include <osg/PolygonMode>
 #include <osg/PolygonOffset>
+#include <osg/Program>
 #include <osg/Version>
 #include <osg/TexEnv>
 
@@ -554,6 +555,10 @@ FGRenderer::init( void )
     // as the rest of the scene. This may not be true in practice.
     mRealRoot->addChild(thesky->getCloudRoot());
     mRealRoot->addChild(FGCreateRedoutNode());
+    // Attach empty program to the scene root so that shader programs
+    // don't leak into state sets (effects) that shouldn't have one.
+    stateSet = mRealRoot->getOrCreateStateSet();
+    stateSet->setAttributeAndModes(new osg::Program, osg::StateAttribute::ON);
 }