X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Fod_gauge.cxx;h=e5eed1efc22da9eeddef0d7193ac3ac12316bde8;hb=73fbc05a6b6af52825c792902d7738f9cad7ec2f;hp=ce66472598cc134de12f3d4fa7e24167ea53becc;hpb=800dd73551b53dc2f048902845276657cc0fcbbb;p=flightgear.git

diff --git a/src/Instrumentation/od_gauge.cxx b/src/Instrumentation/od_gauge.cxx
index ce6647259..e5eed1efc 100644
--- a/src/Instrumentation/od_gauge.cxx
+++ b/src/Instrumentation/od_gauge.cxx
@@ -37,6 +37,7 @@
 #include <osg/StateSet>
 #include <osgDB/FileNameUtils>
 
+#include <simgear/scene/util/RenderConstants.hxx>
 #include <simgear/screen/extensions.hxx>
 #include <simgear/debug/logstream.hxx>
 
@@ -53,14 +54,15 @@ FGODGauge::FGODGauge() :
 
 void FGODGauge::allocRT () {
     camera = new osg::Camera;
-    camera->setProjectionMatrix(osg::Matrix::ortho2D(-256.0, 256.0, -256.0,
-            256.0));
+    // Only the far camera should trigger this texture to be rendered.
+    camera->setNodeMask(simgear::BACKGROUND_BIT);
+    camera->setProjectionMatrix(osg::Matrix::ortho2D(-textureWH/2.0, textureWH/2.0, -textureWH/2.0, textureWH/2.0));
     camera->setViewport(0, 0, textureWH, textureWH);
     camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
     camera->setRenderOrder(osg::Camera::PRE_RENDER);
     camera->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     camera->setClearColor(osg::Vec4(0.0f, 0.0f, 0.0f , 0.0f));
-    camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT);
+    camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT, osg::Camera::FRAME_BUFFER);
     osg::StateSet* stateSet = camera->getOrCreateStateSet();
     stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
     stateSet->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);