diff --git a/OgreMain/include/OgreCompositor.h b/OgreMain/include/OgreCompositor.h
index ebc3775404d..c3713270791 100644
--- a/OgreMain/include/OgreCompositor.h
+++ b/OgreMain/include/OgreCompositor.h
@@ -166,10 +166,10 @@ namespace Ogre {
 
         //TODO GSOC : These typedefs are duplicated from CompositorInstance. Solve?
         /// Map from name->local texture
-        typedef std::map<String,TexturePtr> GlobalTextureMap;
+        typedef std::unordered_map<String,TexturePtr> GlobalTextureMap;
         GlobalTextureMap mGlobalTextures;
         /// Store a list of MRTs we've created
-        typedef std::map<String,MultiRenderTarget*> GlobalMRTMap;
+        typedef std::unordered_map<String,MultiRenderTarget*> GlobalMRTMap;
         GlobalMRTMap mGlobalMRTs;
     };
     /** @} */
diff --git a/OgreMain/include/OgreCompositorInstance.h b/OgreMain/include/OgreCompositorInstance.h
index 364c3984990..9a211814772 100644
--- a/OgreMain/include/OgreCompositorInstance.h
+++ b/OgreMain/include/OgreCompositorInstance.h
@@ -327,10 +327,10 @@ namespace Ogre {
         /// Is this instance allocating resources?
         bool mAlive;
         /// Map from name->local texture.
-        typedef std::map<String,TexturePtr> LocalTextureMap;
+        typedef std::unordered_map<String,TexturePtr> LocalTextureMap;
         LocalTextureMap mLocalTextures;
         /// Store a list of MRTs we've created.
-        typedef std::map<String,MultiRenderTarget*> LocalMRTMap;
+        typedef std::unordered_map<String,MultiRenderTarget*> LocalMRTMap;
         LocalMRTMap mLocalMRTs;
         typedef std::map<CompositionTechnique::TextureDefinition*, TexturePtr> ReserveTextureMap;
         /** Textures that are not currently in use, but that we want to keep for now,
diff --git a/OgreMain/src/OgreCompositor.cpp b/OgreMain/src/OgreCompositor.cpp
index 534e6918b39..6fe67984900 100644
--- a/OgreMain/src/OgreCompositor.cpp
+++ b/OgreMain/src/OgreCompositor.cpp
@@ -157,7 +157,6 @@ CompositionTechnique* Compositor::getSupportedTechnique(const String& schemeName
 //-----------------------------------------------------------------------
 void Compositor::createGlobalTextures()
 {
-    static size_t dummyCounter = 0;
     if (mSupportedTechniques.empty())
         return;
 
@@ -184,14 +183,14 @@ void Compositor::createGlobalTextures()
 
             //TODO GSOC : Heavy copy-pasting from CompositorInstance. How to we solve it?
 
+            // unique, even without dummyCounter, as these are global
+            String baseName = StringUtil::format("%s.%s", def->name.c_str(), mName.c_str());
+
             /// Make the tetxure
             RenderTarget* rendTarget;
             if (def->formatList.size() > 1)
             {
-                String MRTbaseName = "mrt/c" + StringConverter::toString(dummyCounter++) +
-                    "/" + mName + "/" + def->name;
-                MultiRenderTarget* mrt =
-                    Root::getSingleton().getRenderSystem()->createMultiRenderTarget(MRTbaseName);
+                MultiRenderTarget* mrt = Root::getSingleton().getRenderSystem()->createMultiRenderTarget(baseName);
                 mGlobalMRTs[def->name] = mrt;
 
                 // create and bind individual surfaces
@@ -200,7 +199,7 @@ void Compositor::createGlobalTextures()
                     p != def->formatList.end(); ++p, ++atch)
                 {
 
-                    String texname = MRTbaseName + "/" + StringConverter::toString(atch);
+                    String texname = StringUtil::format("mrt%zu.%s", atch, baseName.c_str());
                     TexturePtr tex;
 
                     tex = TextureManager::getSingleton().createManual(
@@ -223,8 +222,7 @@ void Compositor::createGlobalTextures()
             }
             else
             {
-                String texName =  "c" + StringConverter::toString(dummyCounter++) +
-                    "/" + mName + "/" + def->name;
+                String texName = baseName;
 
                 // space in the name mixup the cegui in the compositor demo
                 // this is an auto generated name - so no spaces can't hart us.
diff --git a/OgreMain/src/OgreCompositorInstance.cpp b/OgreMain/src/OgreCompositorInstance.cpp
index 6327b13292e..10c4c22ccb4 100644
--- a/OgreMain/src/OgreCompositorInstance.cpp
+++ b/OgreMain/src/OgreCompositorInstance.cpp
@@ -684,23 +684,24 @@ void CompositorInstance::createResources(bool forResizeOnly)
                 fsaaHint = BLANKSTRING;
             }
             hwGamma = hwGamma || def->hwGammaWrite;
-            
+
+            // need dummy counter as there may be multiple definitions with the same name in the chain
+            String baseName = StringUtil::format("%s.chain%zu.%s", def->name.c_str(), dummyCounter++,
+                                                 mChain->getViewport()->getTarget()->getName().c_str());
+
             /// Make the tetxure
             if (def->formatList.size() > 1)
             {
-                String MRTbaseName = "mrt/c" + StringConverter::toString(dummyCounter++) + 
-                "/" + def->name + "/" + mChain->getViewport()->getTarget()->getName();
-                MultiRenderTarget* mrt = 
-                Root::getSingleton().getRenderSystem()->createMultiRenderTarget(MRTbaseName);
+                MultiRenderTarget* mrt = Root::getSingleton().getRenderSystem()->createMultiRenderTarget(baseName);
                 mLocalMRTs[def->name] = mrt;
-                
+
                 // create and bind individual surfaces
                 size_t atch = 0;
                 for (PixelFormatList::iterator p = def->formatList.begin(); 
                      p != def->formatList.end(); ++p, ++atch)
                 {
                     
-                    String texname = MRTbaseName + "/" + StringConverter::toString(atch);
+                    String texname = StringUtil::format("mrt%zu.%s", atch, baseName.c_str());
                     String mrtLocalName = getMRTTexLocalName(def->name, atch);
                     TexturePtr tex;
                     if (def->pooled)
@@ -733,9 +734,8 @@ void CompositorInstance::createResources(bool forResizeOnly)
             }
             else
             {
-                String texName =  "c" + StringConverter::toString(dummyCounter++) + 
-                "/" + def->name + "/" + mChain->getViewport()->getTarget()->getName();
-                
+                String texName = baseName;
+
                 // space in the name mixup the cegui in the compositor demo
                 // this is an auto generated name - so no spaces can't hart us.
                 std::replace( texName.begin(), texName.end(), ' ', '_' ); 
@@ -882,7 +882,7 @@ void CompositorInstance::deriveTextureRenderTargetOptions(
 //---------------------------------------------------------------------
 String CompositorInstance::getMRTTexLocalName(const String& baseName, size_t attachment)
 {
-    return StringUtil::format("%s/%zu", baseName.c_str(), attachment);
+    return StringUtil::format("mrt%zu.%s", attachment, baseName.c_str());
 }
 //-----------------------------------------------------------------------
 void CompositorInstance::freeResources(bool forResizeOnly, bool clearReserveTextures)