small fix

apps/openmw/mwrender/compositors.cpp

@@ -0,0 +1,49 @@
+#include "compositors.hpp"
+
+#include <OgreViewport.h>
+#include <OgreCompositorManager.h>
+
+using namespace MWRender;
+
+Compositors::Compositors(Ogre::Viewport* vp) :
+      mViewport(vp)
+    , mEnabled(true)
+{
+}
+
+Compositors::~Compositors()
+{
+    Ogre::CompositorManager::getSingleton().removeCompositorChain(mViewport);
+}
+
+void Compositors::setEnabled (const bool enabled)
+{
+    for (CompositorMap::iterator it=mCompositors.begin();
+        it != mCompositors.end(); ++it)
+    {
+        Ogre::CompositorManager::getSingleton().setCompositorEnabled(mViewport, it->first, enabled && it->second.first);
+    }
+    mEnabled = enabled;
+}
+
+void Compositors::addCompositor (const std::string& name, const int priority)
+{
+    int id = 0;
+
+    for (CompositorMap::iterator it=mCompositors.begin();
+        it != mCompositors.end(); ++it)
+    {
+        if (it->second.second > priority)
+            break;
+        ++id;
+    }
+    Ogre::CompositorManager::getSingleton().addCompositor (mViewport, name, id);
+
+    mCompositors[name] = std::make_pair(false, priority);
+}
+
+void Compositors::setCompositorEnabled (const std::string& name, const bool enabled)
+{
+    mCompositors[name].first = enabled;
+    Ogre::CompositorManager::getSingleton().setCompositorEnabled (mViewport, name, enabled && mEnabled);
+}

apps/openmw/mwrender/compositors.hpp

@@ -0,0 +1,53 @@
+#ifndef GAME_MWRENDER_COMPOSITORS_H
+#define GAME_MWRENDER_COMPOSITORS_H
+
+#include <map>
+#include <string>
+
+namespace Ogre
+{
+    class Viewport;
+}
+
+namespace MWRender
+{
+    typedef std::map < std::string, std::pair<bool, int> > CompositorMap;
+
+    /// \brief Manages a set of compositors for one viewport
+    class Compositors
+    {
+    public:
+        Compositors(Ogre::Viewport* vp);
+        virtual ~Compositors();
+
+        /**
+         *  enable or disable all compositors globally
+         */
+        void setEnabled (const bool enabled);
+
+        bool toggle() { setEnabled(!mEnabled); return mEnabled; }
+
+        /**
+         * enable or disable a specific compositor
+         * @note enable has no effect if all compositors are globally disabled
+         */
+        void setCompositorEnabled (const std::string& name, const bool enabled);
+
+        /**
+         * @param name of compositor
+         * @param priority, lower number will be first in the chain
+         */
+        void addCompositor (const std::string& name, const int priority);
+
+    protected:
+        /// maps compositor name to its "enabled" state
+        CompositorMap mCompositors;
+
+        bool mEnabled;
+
+        Ogre::Viewport* mViewport;
+    };
+
+}
+
+#endif

apps/openmw/mwrender/renderingmanager.hpp

@@ -159,8 +159,6 @@ class RenderingManager: private RenderingInterface {
 
     bool mSunEnabled;
 
-    bool mCompositorsEnabled;
-
     SkyManager* mSkyManager;
 
     OcclusionQuery* mOcclusionQuery;