ovis: ensure that compositors are applied to all owned render targets

modules/ovis/src/ovis.cpp

@@ -359,9 +359,16 @@ public:
 
     void setCompositors(const std::vector<String>& names)
     {
-        Viewport* vp = frameSrc->getViewport(0);
         CompositorManager& cm = CompositorManager::getSingleton();
+        // this should be applied to all owned render targets
+        Ogre::RenderTarget* targets[] = {frameSrc, rWin, depthRTT};
 
+        for(int j = 0; j < 3; j++)
+        {
+            Ogre::RenderTarget* tgt = targets[j];
+            if(!tgt || (frameSrc == rWin && tgt == rWin)) continue;
+
+            Viewport* vp = tgt->getViewport(0);
             cm.removeCompositorChain(vp); // remove previous configuration
 
             for(size_t i = 0; i < names.size(); i++)
@@ -373,6 +380,7 @@ public:
                 cm.setCompositorEnabled(vp, names[i], true);
             }
         }
+    }
 
     void setBackground(const Scalar& color)
     {