diff --git a/Source/System/NodeCores/Groups/Effects/HDR/OSGHDRStage.cpp b/Source/System/NodeCores/Groups/Effects/HDR/OSGHDRStage.cpp
index 7b3b52502..ce5206a8d 100644
--- a/Source/System/NodeCores/Groups/Effects/HDR/OSGHDRStage.cpp
+++ b/Source/System/NodeCores/Groups/Effects/HDR/OSGHDRStage.cpp
@@ -135,6 +135,9 @@ Action::ResultE HDRStage::renderEnter(Action *action)
 
     a->disableDefaultPartition();
 
+    Int32 iVPWidth  = a->getActivePartition()->getViewportWidth ();
+    Int32 iVPHeight = a->getActivePartition()->getViewportHeight();
+
     this->beginPartitionGroup(a);
     {
         this->pushPartition(a);
@@ -147,10 +150,14 @@ Action::ResultE HDRStage::renderEnter(Action *action)
             
             if(pTarget == NULL)
             {
-                this->initData(a);
+                this->initData(a, iVPWidth, iVPHeight);
 
                 pTarget  = this->getRenderTarget();
             }
+            else
+            {
+                this->updateData(a, iVPWidth, iVPHeight);
+            }
 
             pPart->setRenderTarget(pTarget);
             
@@ -586,8 +593,45 @@ void HDRStage::resizeStageData(HDRStageData *pData,
                                Int32         iPixelWidth,
                                Int32         iPixelHeight)
 {
-    FWARNING(("HDRStage resize not implemented ==> wrong results\n"));
-}
+    FrameBufferObject *pSceneFBO = this->getRenderTarget();
+
+    pSceneFBO->resizeAll(iPixelWidth, iPixelHeight);
+
+
+    FrameBufferObject *pShrinkFBO = pData->getShrinkRenderTarget();
+
+    pShrinkFBO->resizeAll(iPixelWidth / 2, iPixelHeight / 2);
+
+
+    FrameBufferObject *pBlurFBO = pData->getBlurRenderTarget();
+
+    pBlurFBO->resizeAll(iPixelWidth  / 4,
+                        iPixelHeight / 4);
+
+
+    SimpleSHLChunk *pHBlurShader = pData->getHBlurShader();
+
+    std::string szNewFragProg =         
+        generate1DConvolutionFilterFPString(getBlurWidth(), 
+                                            false, 
+                                            true, 
+                                            iPixelWidth  / 2, 
+                                            iPixelHeight / 2);
+
+    pHBlurShader->setFragmentProgram(szNewFragProg);
+
+    szNewFragProg = generate1DConvolutionFilterFPString(getBlurWidth(),  
+                                                        true, 
+                                                        true, 
+                                                        iPixelWidth  / 2, 
+                                                        iPixelHeight / 2);
+
+    SimpleSHLChunkUnrecPtr pVBlurShader = pData->getVBlurShader();
+
+    pVBlurShader->setFragmentProgram(szNewFragProg);
+
+    commitChanges();
+} 
 
 void HDRStage::postProcess(DrawEnv *pEnv)
 {
@@ -618,15 +662,6 @@ void HDRStage::postProcess(DrawEnv *pEnv)
         return;
     }
 
-    if((pData->getWidth () != pEnv->getPixelWidth() ) ||
-       (pData->getHeight() != pEnv->getPixelHeight())  )
-    {
-        resizeStageData(pData, 
-                        pEnv->getPixelWidth(),
-                        pEnv->getPixelHeight());
-    }
-    
-
     // Shrink to w/2 h/2
 
     FrameBufferObject *pShrinkTarget = pData->getShrinkRenderTarget();
@@ -703,16 +738,22 @@ void HDRStage::postProcess(DrawEnv *pEnv)
 
     // HBlur
 
-    StateOverride oOverride;        
-
     GLenum aDrawBuffers[] = { GL_COLOR_ATTACHMENT1_EXT };
 
+#define OVERSHADER 1
+
+#if OVERSHADER
+    StateOverride oOverride;        
+
     oOverride.addOverride(pData->getHBlurShader()->getClassId(), 
                           pData->getHBlurShader());
 
 
     pEnv->activateState(pBlurState, &oOverride);
-            
+#else
+    pData->getHBlurShader()->activate(pEnv);
+#endif
+
     osgGlDrawBuffers(1, aDrawBuffers);
 
 
@@ -732,10 +773,13 @@ void HDRStage::postProcess(DrawEnv *pEnv)
     }
     glEnd();
 
-
+#if !OVERSHADER
+    pData->getHBlurShader()->deactivate(pEnv);
+#endif
 
     // VBlur
            
+#if OVERSHADER
     StateOverride oOverride1;        
 
     oOverride1.addOverride(pData->getVBlurShader()->getClassId(), 
@@ -743,6 +787,9 @@ void HDRStage::postProcess(DrawEnv *pEnv)
     
 
     pEnv->activateState(pBlurState, &oOverride1);
+#else
+    pData->getVBlurShader()->activate(pEnv);
+#endif
 
     aDrawBuffers[0] = GL_COLOR_ATTACHMENT0_EXT;
     
@@ -764,6 +811,9 @@ void HDRStage::postProcess(DrawEnv *pEnv)
     }
     glEnd();
     
+#if !OVERSHADER
+    pData->getVBlurShader()->deactivate(pEnv);
+#endif
     
     pBlurTarget->deactivate(pEnv);
 
@@ -808,7 +858,9 @@ void HDRStage::postProcess(DrawEnv *pEnv)
     glPopMatrix();
 }
 
-void HDRStage::initData(RenderAction *pAction)
+void HDRStage::initData(RenderAction *pAction,
+                        Int32         iVPWidth,
+                        Int32         iVPHeight)
 {
     HDRStageDataUnrecPtr pData = pAction->getData<HDRStageData *>(_iDataSlotId);
 
@@ -822,17 +874,51 @@ void HDRStage::initData(RenderAction *pAction)
         pData->setHeight(pViewport->getPixelHeight());
 #endif
 
+        fprintf(stderr, "use pixe size %d %d\n",
+                pAction->getActivePartition()->getViewportWidth (),
+                pAction->getActivePartition()->getViewportHeight());
+
+#if 0
         pData = setupStageData(
             pAction->getActivePartition()->getViewportWidth (),
             pAction->getActivePartition()->getViewportHeight());
         
         pData->setWidth (pAction->getActivePartition()->getViewportWidth ());
         pData->setHeight(pAction->getActivePartition()->getViewportHeight());
+#endif
+
+        pData = setupStageData(iVPWidth,
+                               iVPHeight);
+        
+        pData->setWidth (iVPWidth );
+        pData->setHeight(iVPHeight);
 
         this->setData(pData, _iDataSlotId, pAction);
     }
 }
 
+void HDRStage::updateData(RenderAction *pAction,
+                          Int32         iVPWidth,
+                          Int32         iVPHeight)
+{
+    HDRStageDataUnrecPtr pData = pAction->getData<HDRStageData *>(_iDataSlotId);
+
+    if(pData == NULL)
+    {
+        initData(pAction, iVPWidth, iVPHeight);
+    }
+    else if((pData->getWidth () != iVPWidth ) ||
+            (pData->getHeight() != iVPHeight)  )
+    {
+        resizeStageData(pData, 
+                        iVPWidth,
+                        iVPHeight);
+
+        pData->setWidth (iVPWidth );
+        pData->setHeight(iVPHeight);
+    }
+}
+
 #define OSGHDRL << std::endl
 
 SimpleSHLChunkTransitPtr HDRStage::generateHDRFragmentProgram(void)
diff --git a/Source/System/NodeCores/Groups/Effects/HDR/OSGHDRStage.h b/Source/System/NodeCores/Groups/Effects/HDR/OSGHDRStage.h
index bc1a22504..407d1dbba 100644
--- a/Source/System/NodeCores/Groups/Effects/HDR/OSGHDRStage.h
+++ b/Source/System/NodeCores/Groups/Effects/HDR/OSGHDRStage.h
@@ -88,7 +88,13 @@ class OSG_EFFECTGROUPS_DLLMAPPING HDRStage : public HDRStageBase
     /*! \name                        Dump                                  */
     /*! \{                                                                 */
 
-    void initData(RenderAction *pAction);
+    void initData  (RenderAction *pAction,
+                    Int32         iVPWidth,
+                    Int32         iVPHeight);
+
+    void updateData(RenderAction *pAction,
+                    Int32         iVPWidth,
+                    Int32         iVPHeight);
 
     /*! \}                                                                 */
     /*---------------------------------------------------------------------*/
diff --git a/Source/System/NodeCores/Groups/Effects/HDR/testHDRStage.cpp b/Source/System/NodeCores/Groups/Effects/HDR/testHDRStage.cpp
index 0af15017c..27e8022cb 100644
--- a/Source/System/NodeCores/Groups/Effects/HDR/testHDRStage.cpp
+++ b/Source/System/NodeCores/Groups/Effects/HDR/testHDRStage.cpp
@@ -556,8 +556,10 @@ int doMain (int argc, char **argv)
 
         OSG::TextureObjChunkUnrecPtr pBackTex = OSG::TextureObjChunk::create();
 
-        pBackTex->setImage(pBackImg);
-        pBackTex->setInternalFormat(GL_RGB32F_ARB);
+        pBackTex->setImage         (pBackImg        );
+        pBackTex->setInternalFormat(GL_RGB32F_ARB   );
+        pBackTex->setWrapS         (GL_CLAMP_TO_EDGE);
+        pBackTex->setWrapT         (GL_CLAMP_TO_EDGE);
 
         bkgnd->setBackTexture  (pBackTex);
         bkgnd->setFrontTexture (pBackTex);
diff --git a/Source/System/State/Base/OSGStateOverride.cpp b/Source/System/State/Base/OSGStateOverride.cpp
index 49e710402..9518f67d2 100644
--- a/Source/System/State/Base/OSGStateOverride.cpp
+++ b/Source/System/State/Base/OSGStateOverride.cpp
@@ -47,6 +47,7 @@
 #ifdef OSG_NEW_SHADER
 #include "OSGShaderProgramChunk.h"
 #include "OSGShaderProgramVariableChunk.h"
+#include "OSGSimpleSHLChunk.h"
 #endif
 
 OSG_USING_NAMESPACE
@@ -195,6 +196,90 @@ void StateOverride::addOverride(UInt32                      uiSlot,
     _pShaderVar = NULL;
 }
 
+void StateOverride::addOverride(UInt32          uiSlot, 
+                                SimpleSHLChunk *pChunk)
+{
+#ifdef OSG_NEW_SHADER
+    insertOverride(uiSlot, pChunk);
+#endif
+}
+
+void StateOverride::insertOverride(UInt32      uiSlot, 
+                                   StateChunk *pChunk)
+{
+    ChunkElement newElem(uiSlot, pChunk);
+
+    ChunkStoreIt cIt = std::lower_bound(_vChunks.begin(),
+                                        _vChunks.end  (),
+                                         newElem        );
+
+    if(cIt == _vChunks.end())
+    {
+        _vChunks.insert(cIt, newElem);
+    }
+    else
+    {
+        if(cIt->first == uiSlot)
+        {
+            cIt->second = pChunk;
+        }
+        else
+        {
+            _vChunks.insert(cIt, newElem);
+        }
+    }
+    
+    if(pChunk == NULL)
+    {
+        return;
+    }
+            
+    UInt32 uiKey1 =  _uiKeyGen & Key1Mask;
+    UInt32 uiKey2 = (_uiKeyGen & Key2Mask) >> 10;
+    UInt32 uiKey3 = (_uiKeyGen & Key3Mask) >> 20;
+            
+    if(uiKey1 != InvalidKey && uiKey1 == uiSlot)
+    {
+        uiKey1 = 
+            (pChunk->getIgnore() == false) ? pChunk->getChunkId() : 0;
+        
+        _uiKeyMask &= ~Key1Mask;
+    }
+    else
+    {
+        uiKey1 = 0;
+    }
+    
+    if(uiKey2 != InvalidKey && uiKey2 == uiSlot)
+    {
+        uiKey2 = 
+            (pChunk->getIgnore() == false) ? pChunk->getChunkId() : 0;
+        
+        _uiKeyMask &= ~Key2Mask;
+    }
+    else
+    {
+        uiKey2 = 0;
+    }
+    
+    if(uiKey3 != InvalidKey && uiKey3 == uiSlot)
+    {
+        uiKey3 = 
+            (pChunk->getIgnore() == false) ? pChunk->getChunkId() : 0;
+        
+        _uiKeyMask &= ~Key3Mask;
+    }
+    else
+    {
+        uiKey3 = 0;
+    }
+    
+    _uiSortKey = 
+        (uiKey1 & Key1Mask)        | 
+        ((uiKey2 & Key1Mask) << 10) |
+        ((uiKey3 & Key1Mask) << 20);
+}
+
 void StateOverride::addOverride(UInt32 uiSlot, StateChunk *pChunk)
 {
 #ifdef OSG_NEW_SHADER
@@ -208,77 +293,7 @@ void StateOverride::addOverride(UInt32 uiSlot, StateChunk *pChunk)
         if(pSPVChunk == NULL)
         {
 #endif
-            ChunkElement newElem(uiSlot, pChunk);
-
-            ChunkStoreIt cIt = std::lower_bound(_vChunks.begin(),
-                                                _vChunks.end  (),
-                                                 newElem        );
-
-            if(cIt == _vChunks.end())
-            {
-                _vChunks.insert(cIt, newElem);
-            }
-            else
-            {
-                if(cIt->first == uiSlot)
-                {
-                    cIt->second = pChunk;
-                }
-                else
-                {
-                    _vChunks.insert(cIt, newElem);
-                }
-            }
-            
-            if(pChunk == NULL)
-            {
-                return;
-            }
-            
-            UInt32 uiKey1 =  _uiKeyGen & Key1Mask;
-            UInt32 uiKey2 = (_uiKeyGen & Key2Mask) >> 10;
-            UInt32 uiKey3 = (_uiKeyGen & Key3Mask) >> 20;
-            
-            if(uiKey1 != InvalidKey && uiKey1 == uiSlot)
-            {
-                uiKey1 = 
-                    (pChunk->getIgnore() == false) ? pChunk->getChunkId() : 0;
-                
-                _uiKeyMask &= ~Key1Mask;
-            }
-            else
-            {
-                uiKey1 = 0;
-            }
-
-            if(uiKey2 != InvalidKey && uiKey2 == uiSlot)
-            {
-                uiKey2 = 
-                    (pChunk->getIgnore() == false) ? pChunk->getChunkId() : 0;
-                
-                _uiKeyMask &= ~Key2Mask;
-            }
-            else
-            {
-                uiKey2 = 0;
-            }
-
-            if(uiKey3 != InvalidKey && uiKey3 == uiSlot)
-            {
-                uiKey3 = 
-                    (pChunk->getIgnore() == false) ? pChunk->getChunkId() : 0;
-                
-                _uiKeyMask &= ~Key3Mask;
-            }
-            else
-            {
-                uiKey3 = 0;
-            }
-            
-            _uiSortKey = 
-                 (uiKey1 & Key1Mask)        | 
-                ((uiKey2 & Key1Mask) << 10) |
-                ((uiKey3 & Key1Mask) << 20);
+            insertOverride(uiSlot, pChunk);
 #ifdef OSG_NEW_SHADER
         }
         else
diff --git a/Source/System/State/Base/OSGStateOverride.h b/Source/System/State/Base/OSGStateOverride.h
index 93813f100..8db876034 100644
--- a/Source/System/State/Base/OSGStateOverride.h
+++ b/Source/System/State/Base/OSGStateOverride.h
@@ -59,6 +59,7 @@ class ShaderExecutableVarChunk;
 class ShaderProgramChunk;
 class ShaderProgramVariableChunk;
 class ShaderProgram;
+class SimpleSHLChunk;
 
 /*! \ingroup GrpSystemStateBase
     \ingroup GrpLibOSGSystem
@@ -140,6 +141,8 @@ class OSG_SYSTEM_DLLMAPPING StateOverride
 
     void addOverride  (UInt32                      uiSlot, 
                        StateChunk                 *pChunk);
+    void addOverride  (UInt32                      uiSlot, 
+                       SimpleSHLChunk             *pChunk);
     void addOverride  (UInt32                      uiSlot, 
                        ShaderProgramChunk         *pChunk);
     void addOverride  (UInt32                      uiSlot, 
@@ -203,6 +206,14 @@ class OSG_SYSTEM_DLLMAPPING StateOverride
 
     void rebuildSortKey(void);
 
+    /*! \}                                                                 */
+    /*---------------------------------------------------------------------*/
+    /*! \name                    Access                                    */
+    /*! \{                                                                 */
+
+    void insertOverride(UInt32      uiSlot, 
+                        StateChunk *pChunk);
+
     /*! \}                                                                 */
     /*==========================  PRIVATE  ================================*/
 
diff --git a/Source/System/State/Shader/SHL/OSGSimpleSHLChunk.cpp b/Source/System/State/Shader/SHL/OSGSimpleSHLChunk.cpp
index 8baf4d969..d53c606a3 100644
--- a/Source/System/State/Shader/SHL/OSGSimpleSHLChunk.cpp
+++ b/Source/System/State/Shader/SHL/OSGSimpleSHLChunk.cpp
@@ -633,7 +633,7 @@ void SimpleSHLChunk::changeFrom(DrawEnv    *pEnv,
 
         UInt32 uiDep = ShaderProcVariable::SHDObject;
 
-        if(uiProgId != pEnv->getActiveShader())
+        if(uiProgId != pEnv->getActiveShader() || uiProgId == 0)
         {
             FragmentShaderIt fIt  = _mfFragmentShader.begin();
             FragmentShaderIt fEnd = _mfFragmentShader.end  ();
diff --git a/Source/System/State/Shader/SHL/OSGSimpleSHLFunctions.cpp b/Source/System/State/Shader/SHL/OSGSimpleSHLFunctions.cpp
index 633a0e5c8..82de2cebe 100644
--- a/Source/System/State/Shader/SHL/OSGSimpleSHLFunctions.cpp
+++ b/Source/System/State/Shader/SHL/OSGSimpleSHLFunctions.cpp
@@ -85,14 +85,12 @@ void generateGaussianWeights(Real32               fBlurWidth,
     }
 }
 
-SimpleSHLChunkTransitPtr generate1DConvolutionFilterFP(Real32 fBlurWidth,
-                                                       bool   vertical, 
-                                                       bool   tex2D, 
-                                                       Int32  imgWidth, 
-                                                       Int32  imgHeight)
+std::string generate1DConvolutionFilterFPString(Real32 fBlurWidth,
+                                                bool   vertical, 
+                                                bool   tex2D, 
+                                                Int32  imgWidth, 
+                                                Int32  imgHeight)
 {
-    SimpleSHLChunkTransitPtr returnValue = SimpleSHLChunk::create();
-    
     int width;
     std::vector<Real32> weights;
 
@@ -170,11 +168,29 @@ SimpleSHLChunkTransitPtr generate1DConvolutionFilterFP(Real32 fBlurWidth,
         << "    gl_FragColor = sum;\n"
         << "}\n";
 
-    returnValue->setFragmentProgram(ost.str());
-
     delete [] weights2;
     delete [] offsets;
 
+    return ost.str();
+}
+
+SimpleSHLChunkTransitPtr generate1DConvolutionFilterFP(Real32 fBlurWidth,
+                                                       bool   vertical, 
+                                                       bool   tex2D, 
+                                                       Int32  imgWidth, 
+                                                       Int32  imgHeight)
+{
+    SimpleSHLChunkTransitPtr returnValue = SimpleSHLChunk::create();
+
+    std::string szFragProg = generate1DConvolutionFilterFPString(fBlurWidth,
+                                                                 vertical, 
+                                                                 tex2D, 
+                                                                 imgWidth, 
+                                                                 imgHeight );
+
+    
+    returnValue->setFragmentProgram(szFragProg);
+
     return returnValue;
 }
 
diff --git a/Source/System/State/Shader/SHL/OSGSimpleSHLFunctions.h b/Source/System/State/Shader/SHL/OSGSimpleSHLFunctions.h
index 56cbfd352..32226a632 100644
--- a/Source/System/State/Shader/SHL/OSGSimpleSHLFunctions.h
+++ b/Source/System/State/Shader/SHL/OSGSimpleSHLFunctions.h
@@ -48,6 +48,13 @@ OSG_BEGIN_NAMESPACE
 /*! \ingroup GrpSystemShaderSHLFuncs
  */
 OSG_SYSTEM_DLLMAPPING
+std::string generate1DConvolutionFilterFPString(Real32 fBlurWidth,
+                                                bool   vertical, 
+                                                bool   tex2D, 
+                                                Int32  imgWidth, 
+                                                Int32  imgHeight);
+
+OSG_SYSTEM_DLLMAPPING
 SimpleSHLChunkTransitPtr generate1DConvolutionFilterFP(Real32 fBlurWidth,
                                                        bool   vertical, 
                                                        bool   tex2D, 
diff --git a/Source/System/Window/FrameBufferObjects/OSGFrameBufferAttachment.h b/Source/System/Window/FrameBufferObjects/OSGFrameBufferAttachment.h
index c7a9dd0b7..ecd109867 100644
--- a/Source/System/Window/FrameBufferObjects/OSGFrameBufferAttachment.h
+++ b/Source/System/Window/FrameBufferObjects/OSGFrameBufferAttachment.h
@@ -126,7 +126,8 @@ class OSG_SYSTEM_DLLMAPPING FrameBufferAttachment :
     /*! \name                        size                                  */
     /*! \{                                                                 */
 
-    void resize(UInt32 uiWidth, UInt32 uiHeight);
+            void resize       (UInt32 uiWidth, UInt32 uiHeight);
+    virtual void resizeBuffers(UInt32 uiWidth, UInt32 uiHeight) = 0;
 
     /*! \}                                                                 */
     /*---------------------------------------------------------------------*/
diff --git a/Source/System/Window/FrameBufferObjects/OSGFrameBufferObject.cpp b/Source/System/Window/FrameBufferObjects/OSGFrameBufferObject.cpp
index c29c50ba0..ba0a588a3 100644
--- a/Source/System/Window/FrameBufferObjects/OSGFrameBufferObject.cpp
+++ b/Source/System/Window/FrameBufferObjects/OSGFrameBufferObject.cpp
@@ -158,6 +158,36 @@ void FrameBufferObject::setSize(UInt32 uiWidth, UInt32 uiHeight)
     setHeight(uiHeight);
 }
 
+void FrameBufferObject::resizeAll(UInt32 uiWidth, UInt32 uiHeight)
+{
+    MFUnrecFrameBufferAttachmentPtr::const_iterator attIt  =
+        _mfColorAttachments.begin();
+    MFUnrecFrameBufferAttachmentPtr::const_iterator attEnd =
+        _mfColorAttachments.end  ();
+    
+    for(; attIt != attEnd; ++attIt)
+    {
+        if(*attIt == NULL)
+            continue;
+        
+        (*attIt)->resizeBuffers(uiWidth, uiHeight);
+    }
+
+    if(_sfDepthAttachment.getValue() != NULL)
+    {
+        _sfDepthAttachment.getValue()->resizeBuffers(uiWidth, uiHeight);
+    }
+
+    if(_sfStencilAttachment.getValue() != NULL)
+    {
+        _sfStencilAttachment.getValue()->resizeBuffers(uiWidth, uiHeight);
+    }
+
+    this->setSize(uiWidth, uiHeight);
+
+    Window::refreshGLObject(getGLId());
+}
+
 /*----------------------- constructors & destructors ----------------------*/
 
 FrameBufferObject::FrameBufferObject(void) :
diff --git a/Source/System/Window/FrameBufferObjects/OSGFrameBufferObject.h b/Source/System/Window/FrameBufferObjects/OSGFrameBufferObject.h
index ab80ba617..81217a417 100644
--- a/Source/System/Window/FrameBufferObjects/OSGFrameBufferObject.h
+++ b/Source/System/Window/FrameBufferObjects/OSGFrameBufferObject.h
@@ -82,7 +82,9 @@ class OSG_SYSTEM_DLLMAPPING FrameBufferObject :
     /*! \name                      Sync                                    */
     /*! \{                                                                 */
 
-    void setSize(UInt32 uiWidth, UInt32 uiHeight);
+    void setSize  (UInt32 uiWidth, UInt32 uiHeight);
+
+    void resizeAll(UInt32 uiWidth, UInt32 uiHeight);
 
     /*! \}                                                                 */
     /*---------------------------------------------------------------------*/
diff --git a/Source/System/Window/FrameBufferObjects/OSGRenderBuffer.cpp b/Source/System/Window/FrameBufferObjects/OSGRenderBuffer.cpp
index a920b8751..f6027d60c 100644
--- a/Source/System/Window/FrameBufferObjects/OSGRenderBuffer.cpp
+++ b/Source/System/Window/FrameBufferObjects/OSGRenderBuffer.cpp
@@ -193,6 +193,13 @@ void RenderBuffer::dump(      UInt32    ,
     SLOG << "Dump RenderBuffer NI" << std::endl;
 }
 
+void RenderBuffer::resizeBuffers(UInt32 uiWidth, UInt32 uiHeight)
+{
+    Inherited::resize(uiWidth, uiHeight);
+
+    Window::reinitializeGLObject(getGLId());
+}
+
 UInt32 RenderBuffer::handleGL(DrawEnv                 *pEnv, 
                               UInt32                   osgid, 
                               Window::GLObjectStatusE  mode,
diff --git a/Source/System/Window/FrameBufferObjects/OSGRenderBuffer.h b/Source/System/Window/FrameBufferObjects/OSGRenderBuffer.h
index 3010006ef..fb8ab55d4 100644
--- a/Source/System/Window/FrameBufferObjects/OSGRenderBuffer.h
+++ b/Source/System/Window/FrameBufferObjects/OSGRenderBuffer.h
@@ -87,6 +87,13 @@ class OSG_SYSTEM_DLLMAPPING RenderBuffer :
     /*! \name                    your_category                             */
     /*! \{                                                                 */
 
+    virtual void resizeBuffers(UInt32 uiWidth, UInt32 uiHeight);
+
+    /*! \}                                                                 */
+    /*---------------------------------------------------------------------*/
+    /*! \name                    your_category                             */
+    /*! \{                                                                 */
+
     virtual void bind    (DrawEnv *pEnv, UInt32 index = 0);
     virtual void validate(DrawEnv *pEnv                  );
 
diff --git a/Source/System/Window/FrameBufferObjects/OSGTextureBuffer.cpp b/Source/System/Window/FrameBufferObjects/OSGTextureBuffer.cpp
index 5209ba81c..777efacb7 100644
--- a/Source/System/Window/FrameBufferObjects/OSGTextureBuffer.cpp
+++ b/Source/System/Window/FrameBufferObjects/OSGTextureBuffer.cpp
@@ -161,6 +161,31 @@ void TextureBuffer::validate(DrawEnv *pEnv)
     }
 }
 
+void TextureBuffer::resizeBuffers(UInt32 uiWidth, UInt32 uiHeight)
+{
+    TextureObjChunk *pTex = this->getTexture();
+
+    if(pTex == NULL)
+        return;
+
+    Image *pImg = pTex->getImage();
+
+    if(pImg == NULL)
+        return;
+
+    pImg->set(pImg->getPixelFormat(), //Image::OSG_RGB_PF, 
+              uiWidth, 
+              uiHeight,
+              pImg->getDepth      (),
+              pImg->getMipMapCount(),
+              pImg->getFrameCount (),
+              pImg->getFrameDelay (),
+              NULL,
+              pImg->getDataType   (), //Image::OSG_UINT8_IMAGEDATA,
+              false,
+              pImg->getSideCount  ());
+}
+
 void TextureBuffer::processPreDeactivate(DrawEnv *pEnv, UInt32 index)
 {
     if(_sfReadBack.getValue() == true)
diff --git a/Source/System/Window/FrameBufferObjects/OSGTextureBuffer.h b/Source/System/Window/FrameBufferObjects/OSGTextureBuffer.h
index b848fcee6..05f7dc9f1 100644
--- a/Source/System/Window/FrameBufferObjects/OSGTextureBuffer.h
+++ b/Source/System/Window/FrameBufferObjects/OSGTextureBuffer.h
@@ -95,6 +95,13 @@ class OSG_SYSTEM_DLLMAPPING TextureBuffer :
     /*! \name                    your_category                             */
     /*! \{                                                                 */
 
+    virtual void resizeBuffers(UInt32 uiWidth, UInt32 uiHeight);
+
+    /*! \}                                                                 */
+    /*---------------------------------------------------------------------*/
+    /*! \name                    your_category                             */
+    /*! \{                                                                 */
+
     virtual void processPreDeactivate (DrawEnv *pEnv, UInt32 index);
     virtual void processPostDeactivate(DrawEnv *pEnv);