From e6cb846ad3668c612a205cb8c8c53d293b4fbbef Mon Sep 17 00:00:00 2001
From: Frederic Bouvier <fredfgfs01@free.fr>
Date: Sun, 12 Aug 2012 19:06:41 +0200
Subject: [PATCH] Don't let the cloud alpha value change the lighting buffer

---
 src/Viewer/renderer.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Viewer/renderer.cxx b/src/Viewer/renderer.cxx
index 441f3eec6..24f3f1d18 100644
--- a/src/Viewer/renderer.cxx
+++ b/src/Viewer/renderer.cxx
@@ -1275,6 +1275,8 @@ osg::Node*
 FGRenderer::buildLightingSkyCloudsPass(FGRenderingPipeline::Pass* pass)
 {
     Group* group = new Group;
+    StateSet* ss = group->getOrCreateStateSet();
+    ss->setAttributeAndModes( new osg::ColorMask( true, true, true, false ), osg::StateAttribute::ON );
     group->addChild( _sky->getPreRoot() );
     group->addChild( _sky->getCloudRoot() );
     return group;
-- 
2.39.5