diff --git a/src/meshlabplugins/decorate_shadow/decorate_shader.h b/src/meshlabplugins/decorate_shadow/decorate_shader.h
index d4064e29c..4cd4ac866 100644
--- a/src/meshlabplugins/decorate_shadow/decorate_shader.h
+++ b/src/meshlabplugins/decorate_shadow/decorate_shader.h
@@ -52,7 +52,7 @@ public:
         this->_texH = 1024;
       }
 
-    //virtual ~DecorateShader();
+	virtual ~DecorateShader() {}
 
     /**
       * Performs init commands.
@@ -89,7 +89,7 @@ protected:
     {
         assert(_initOk);
         glClearDepth(1.0);
-        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _fbo);
+        glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
         glPushAttrib(GL_VIEWPORT_BIT);
         glViewport(0, 0, this->_texW, this->_texH);
         glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
@@ -125,7 +125,7 @@ protected:
             return;
 
         glPopAttrib();
-        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+        glBindFramebuffer(GL_FRAMEBUFFER, 0);
     }
 
     /**
@@ -310,7 +310,6 @@ protected:
       * @param attachement the FBO attachment target.
       */
     void genColorTextureEXT(GLuint& tex, GLenum attachment){
-
         glGenTextures(1, &tex);
         glBindTexture(GL_TEXTURE_2D, tex);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
@@ -320,7 +319,7 @@ protected:
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 
         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8,  this->_texW, this->_texH, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
-        glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_2D, tex, 0);
+        glFramebufferTexture2D(GL_FRAMEBUFFER, attachment, GL_TEXTURE_2D, tex, 0);
 
 
     }
@@ -332,10 +331,10 @@ protected:
       */
     void genDepthRenderBufferEXT(GLuint& tex){
 
-        glGenRenderbuffersEXT(1, &tex);
-        glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, tex);
-        glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, this->_texW, this->_texH);
-        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, tex);
+        glGenRenderbuffers(1, &tex);
+        glBindRenderbuffer(GL_RENDERBUFFER, tex);
+        glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, this->_texW, this->_texH);
+        glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, tex);
 
     }
     
@@ -361,7 +360,7 @@ protected:
             glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);
         }
         glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24,  this->_texW, this->_texH, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
-        glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, tex, 0);
+        glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, tex, 0);
         return;
     }
     
@@ -382,13 +381,13 @@ protected:
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
         if(isShMap){
             glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
-            glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);
-            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
-            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);
+            glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE, GL_LUMINANCE);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
         }
 
         glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT16,  this->_texW, this->_texH, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
-        glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, tex, 0);
+        glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, tex, 0);
         return;
     }
 };
diff --git a/src/meshlabplugins/decorate_shadow/decorate_shadow.cpp b/src/meshlabplugins/decorate_shadow/decorate_shadow.cpp
index 10c31b1e4..3ff8baa07 100644
--- a/src/meshlabplugins/decorate_shadow/decorate_shadow.cpp
+++ b/src/meshlabplugins/decorate_shadow/decorate_shadow.cpp
@@ -27,157 +27,159 @@ using namespace vcg;
 
 QString DecorateShadowPlugin::decorationInfo(FilterIDType id) const
 {
-    switch(id){
-        case DP_SHOW_SHADOW :           return tr("Enable shadow mapping");
-        case DP_SHOW_SSAO:              return tr("Enable Screen Space Ambient Occlusion");
-    default:     assert(0); return QString();
-    }  
+	switch (id) {
+	case DP_SHOW_SHADOW:           return tr("Enable shadow mapping");
+	case DP_SHOW_SSAO:              return tr("Enable Screen Space Ambient Occlusion");
+	default:     assert(0); return QString();
+	}
 }
 
 QString DecorateShadowPlugin::decorationName(FilterIDType id) const
 {
-    switch(id){
-        case DP_SHOW_SHADOW :           return tr("Enable shadow mapping");
-        case DP_SHOW_SSAO:              return tr("Enable Screen Space Ambient Occlusion");
-    default:     assert(0); return QString();
-    }
+	switch (id) {
+	case DP_SHOW_SHADOW:           return tr("Enable shadow mapping");
+	case DP_SHOW_SSAO:              return tr("Enable Screen Space Ambient Occlusion");
+	default:     assert(0); return QString();
+	}
 }
 
 void DecorateShadowPlugin::initGlobalParameterSet(QAction *action, RichParameterSet &parset)
 {
-    switch(ID(action)){
-        case DP_SHOW_SHADOW : {
-            assert(!(parset.hasParameter(this->DecorateShadowMethod())));
-            int method = SH_MAP_VSM_BLUR;
-            parset.addParam(
-                    new RichEnum(
-                        this->DecorateShadowMethod(),
-                        method,
-                        getSHMethods(),
-                        "Shader used to perform shadow mapping decoration",
-                        "Shadow mapping method")
-                    );
-            parset.addParam(new RichDynamicFloat(this->DecorateShadowIntensity(),0.3f,0.0f,1.0f,"Shadow Intensity","Shadow Intensity"));
-            break;
-        }
+	switch (ID(action)) {
+	case DP_SHOW_SHADOW: {
+		assert(!(parset.hasParameter(this->DecorateShadowMethod())));
+		int method = SH_MAP_VSM_BLUR;
+		parset.addParam(
+			new RichEnum(
+				this->DecorateShadowMethod(),
+				method,
+				getSHMethods(),
+				"Shader used to perform shadow mapping decoration",
+				"Shadow mapping method")
+		);
+		parset.addParam(new RichDynamicFloat(this->DecorateShadowIntensity(), 0.3f, 0.0f, 1.0f, "Shadow Intensity", "Shadow Intensity"));
+		break;
+	}
 
-        case DP_SHOW_SSAO : {
-            assert(!(parset.hasParameter(this->DecorateShadowSSAORadius())));
-            float radius = 0.25f;
-            parset.addParam(
-                    new RichFloat(this->DecorateShadowSSAORadius(),
-                    radius,
-                    "Uniform parameter for SSAO shader",
-                    "SSAO radius"));
-            break;
-        }
+	case DP_SHOW_SSAO: {
+		assert(!(parset.hasParameter(this->DecorateShadowSSAORadius())));
+		float radius = 0.25f;
+		parset.addParam(
+			new RichFloat(this->DecorateShadowSSAORadius(),
+				radius,
+				"Uniform parameter for SSAO shader",
+				"SSAO radius"));
+		break;
+	}
+
+	default: assert(0);
+	}
+}
 
-        default: assert(0);
-    }
-}		
-		
 bool DecorateShadowPlugin::startDecorate(QAction* action, MeshDocument& /*m*/, RichParameterSet* parset, GLArea* /*gla*/)
 {
-    bool result;
-        
-    switch(ID(action)){
-        case DP_SHOW_SHADOW :
-            if(!parset->hasParameter(DecorateShadowMethod())){
-                qDebug("Unable to find Shadow mapping method");
-                assert(0);
-            }
-            switch (parset->getEnum(DecorateShadowMethod()))
-            {
-            case SH_MAP: 
-            {
-                smShader= new ShadowMapping(0.1f);
-                this->_decoratorSH = smShader; break;
-            }
-            case SH_MAP_VSM: 
-            {
-                vsmShader= new VarianceShadowMapping(0.1f);
-                this->_decoratorSH = vsmShader; break;
-            }
-            case SH_MAP_VSM_BLUR: 
-            {
-                vsmbShader= new VarianceShadowMappingBlur(0.1f);
-                this->_decoratorSH = vsmbShader; break;
-            }
-            }
-            this->_decoratorSH->setShadowIntensity(parset->getDynamicFloat(this->DecorateShadowIntensity()));
-            result = this->_decoratorSH->init();
-            return result;
+	bool result;
 
-        case DP_SHOW_SSAO:
-            _decoratorSSAO = new SSAO(0.1f);
-            this->_decoratorSSAO->setRadius(parset->getFloat(DecorateShadowSSAORadius()));
-            result = this->_decoratorSSAO->init();
-            return result;
+	switch (ID(action))
+	{
+	case DP_SHOW_SHADOW:
+		if (!parset->hasParameter(DecorateShadowMethod())) {
+			qDebug("Unable to find Shadow mapping method");
+			assert(0);
+		}
+		switch (parset->getEnum(DecorateShadowMethod()))
+		{
+		case SH_MAP:
+		{
+			smShader = new ShadowMapping(0.1f);
+			this->_decoratorSH = smShader; break;
+		}
+		case SH_MAP_VSM:
+		{
+			vsmShader = new VarianceShadowMapping(0.1f);
+			this->_decoratorSH = vsmShader; break;
+		}
+		case SH_MAP_VSM_BLUR:
+		{
+			vsmbShader = new VarianceShadowMappingBlur(0.1f);
+			this->_decoratorSH = vsmbShader; break;
+		}
+		}
+		this->_decoratorSH->setShadowIntensity(parset->getDynamicFloat(this->DecorateShadowIntensity()));
+		result = this->_decoratorSH->init();
+		return result;
 
-        default: assert(0);
-    }
-    return false;
+	case DP_SHOW_SSAO:
+		_decoratorSSAO = new SSAO(0.1f);
+		this->_decoratorSSAO->setRadius(parset->getFloat(DecorateShadowSSAORadius()));
+		result = this->_decoratorSSAO->init();
+		return result;
+
+	default: assert(0);
+	}
+	return false;
 }
 
-void DecorateShadowPlugin::endDecorate( QAction * action, MeshDocument & md, RichParameterSet * parset, GLArea * gla)
+void DecorateShadowPlugin::endDecorate(QAction * action, MeshDocument & md, RichParameterSet * parset, GLArea * gla)
 {
-    switch(ID(action))
-    {
-    case DP_SHOW_SHADOW :
-        {
-            if(!parset->hasParameter(DecorateShadowMethod()))
-            {
-                qDebug("Unable to find Shadow mapping method");
-                assert(0);
-            }
-            switch (parset->getEnum(DecorateShadowMethod()))
-            {
-            case SH_MAP: 
-                {
-                    delete smShader;
-                    smShader = NULL;
-                    break;
-                }
-            case SH_MAP_VSM: 
-                {
-                    delete vsmShader;
-                    vsmShader = NULL;
-                    break;
-                }
-            case SH_MAP_VSM_BLUR: 
-                {
-                    delete vsmbShader;
-                    vsmbShader = NULL;
-                    break;
-                }
-            }
-            _decoratorSH = NULL;
-            break;
-        }
-    case DP_SHOW_SSAO:
-        {
-            delete _decoratorSSAO;
-            _decoratorSSAO = NULL;
-            break;
-        }
-    default: assert(0);
-    }
+	switch (ID(action))
+	{
+		case DP_SHOW_SHADOW:
+		{
+			if (!parset->hasParameter(DecorateShadowMethod()))
+			{
+				qDebug("Unable to find Shadow mapping method");
+				assert(0);
+			}
+			switch (parset->getEnum(DecorateShadowMethod()))
+			{
+				case SH_MAP:
+				{
+					delete smShader;
+					smShader = NULL;
+					break;
+				}
+				case SH_MAP_VSM:
+				{
+					delete vsmShader;
+					vsmShader = NULL;
+					break;
+				}
+				case SH_MAP_VSM_BLUR:
+				{
+					delete vsmbShader;
+					vsmbShader = NULL;
+					break;
+				}
+			}
+			_decoratorSH = NULL;
+			break;
+		}
+		case DP_SHOW_SSAO:
+		{
+			delete _decoratorSSAO;
+			_decoratorSSAO = NULL;
+			break;
+		}
+		default: 
+			break;
+	}
 }
 
 
-void DecorateShadowPlugin::decorateDoc(QAction *action, MeshDocument &md, RichParameterSet *, GLArea *gla,QPainter *,GLLogStream &)
+void DecorateShadowPlugin::decorateDoc(QAction *action, MeshDocument &md, RichParameterSet *, GLArea *gla, QPainter *, GLLogStream &)
 {
-   switch(ID(action)){
-            case DP_SHOW_SHADOW :
-                this->_decoratorSH->runShader(md, gla);
-                break;
+	switch (ID(action)) {
+	case DP_SHOW_SHADOW:
+		this->_decoratorSH->runShader(md, gla);
+		break;
 
-            case DP_SHOW_SSAO:
-                this->_decoratorSSAO->runShader(md, gla);
-                break;
+	case DP_SHOW_SSAO:
+		this->_decoratorSSAO->runShader(md, gla);
+		break;
 
-            default: assert(0);
-        }
+	default: assert(0);
+	}
 }
 
 
diff --git a/src/meshlabplugins/decorate_shadow/decorate_shadow.h b/src/meshlabplugins/decorate_shadow/decorate_shadow.h
index c13dbfd48..3e09f8e06 100644
--- a/src/meshlabplugins/decorate_shadow/decorate_shadow.h
+++ b/src/meshlabplugins/decorate_shadow/decorate_shadow.h
@@ -81,7 +81,7 @@ public:
         _decoratorSSAO = new SSAO(0.1f);*/
 
         smShader = NULL;
-        vsmbShader = NULL;
+        vsmShader = NULL;
         vsmbShader = NULL;
         _decoratorSSAO = NULL;
     }
diff --git a/src/meshlabplugins/decorate_shadow/shadow_mapping.cpp b/src/meshlabplugins/decorate_shadow/shadow_mapping.cpp
index 08b4852c0..9818e3e72 100644
--- a/src/meshlabplugins/decorate_shadow/shadow_mapping.cpp
+++ b/src/meshlabplugins/decorate_shadow/shadow_mapping.cpp
@@ -46,7 +46,7 @@ ShadowMapping::~ShadowMapping(){
 
     glDeleteTextures(1, &(this->_shadowMap));
 
-    glDeleteFramebuffersEXT(1, &_fbo);
+    glDeleteFramebuffers(1, &_fbo);
 }
 
 bool ShadowMapping::init()
@@ -204,8 +204,8 @@ bool ShadowMapping::setup()
     if (_initOk)
         return true;
 
-    glGenFramebuffersEXT(1, &_fbo);
-    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _fbo);
+    glGenFramebuffers(1, &_fbo);
+    glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
 
     this->genDepthMapTexture24(this->_shadowMap, true);
 
@@ -216,8 +216,8 @@ bool ShadowMapping::setup()
     glReadBuffer(GL_NONE);
 
     //checks for fbo creation errors
-    int err = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
-    _initOk = (err == GL_FRAMEBUFFER_COMPLETE_EXT);
-    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+    int err = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+    _initOk = (err == GL_FRAMEBUFFER_COMPLETE);
+    glBindFramebuffer(GL_FRAMEBUFFER, 0);
     return _initOk;
 }
diff --git a/src/meshlabplugins/decorate_shadow/shadow_mapping.h b/src/meshlabplugins/decorate_shadow/shadow_mapping.h
index 017b9254a..4cc2657e9 100644
--- a/src/meshlabplugins/decorate_shadow/shadow_mapping.h
+++ b/src/meshlabplugins/decorate_shadow/shadow_mapping.h
@@ -30,7 +30,7 @@ class ShadowMapping : public DecorateShader
 public:
 
     ShadowMapping(float);
-    ~ShadowMapping();
+    virtual ~ShadowMapping();
 
     /**
       * Performs init commands.
diff --git a/src/meshlabplugins/decorate_shadow/ssao.cpp b/src/meshlabplugins/decorate_shadow/ssao.cpp
index dcd2e598b..cefb56026 100644
--- a/src/meshlabplugins/decorate_shadow/ssao.cpp
+++ b/src/meshlabplugins/decorate_shadow/ssao.cpp
@@ -73,15 +73,15 @@ SSAO::~SSAO(){
     glDeleteShader(this->_blurFrag);
     glDeleteProgram(this->_blurShaderProgram);
 
-    glDeleteTexturesEXT(1, &(this->_color1));
-    glDeleteTexturesEXT(1, &(this->_depthMap));
+    glDeleteTextures(1, &(this->_color1));
+    glDeleteTextures(1, &(this->_depthMap));
 
-    glDeleteFramebuffersEXT(1, &(this->_depth));
-    glDeleteTexturesEXT(1, &(this->_color2));
-    glDeleteTexturesEXT(1, &(this->_color2));
+    glDeleteFramebuffers(1, &(this->_depth));
+    glDeleteTextures(1, &(this->_color2));
+    glDeleteTextures(1, &(this->_color2));
 
-    glDeleteFramebuffersEXT(1, &_fbo);
-    glDeleteFramebuffersEXT(1, &_fbo2);
+    glDeleteFramebuffers(1, &_fbo);
+    glDeleteFramebuffers(1, &_fbo2);
 }
 
 bool SSAO::init()
@@ -132,7 +132,7 @@ void SSAO::runShader(MeshDocument& md, GLArea* gla)
     mProj.transposeInPlace();
     mInverseProj = vcg::Inverse(mProj);
 
-    glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+    glDrawBuffer(GL_COLOR_ATTACHMENT0);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	MLRenderingData dt;
 	MLRenderingData::RendAtts atts;
@@ -153,7 +153,7 @@ void SSAO::runShader(MeshDocument& md, GLArea* gla)
     /***********************************************************/
     //SSAO PASS
     /***********************************************************/
-    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _fbo2);
+    glBindFramebuffer(GL_FRAMEBUFFER, _fbo2);
     glUseProgram(this->_ssaoShaderProgram);
 
     glEnable(GL_TEXTURE_2D);
@@ -182,7 +182,7 @@ void SSAO::runShader(MeshDocument& md, GLArea* gla)
     GLuint invMatrixLoc = glGetUniformLocation(this->_ssaoShaderProgram, "invProj");
     glUniformMatrix4fv(invMatrixLoc, 1, 0, mInverseProj.transpose().V());
 
-    glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+    glDrawBuffer(GL_COLOR_ATTACHMENT0);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glBegin(GL_TRIANGLE_STRIP);
     glVertex3f(-1.0f, -1.0f, 0.0f);
@@ -195,7 +195,7 @@ void SSAO::runShader(MeshDocument& md, GLArea* gla)
     /***********************************************************/
     //BLURRING horizontal
     /***********************************************************/
-    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _fbo);
+    glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
     glUseProgram(this->_blurShaderProgram);
 
     float blur_coef(0.8f);
@@ -209,7 +209,7 @@ void SSAO::runShader(MeshDocument& md, GLArea* gla)
     loc = glGetUniformLocation(this->_blurShaderProgram, "scene");
     glUniform1i(loc, 0);
 
-    glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+    glDrawBuffer(GL_COLOR_ATTACHMENT0);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glBegin(GL_TRIANGLE_STRIP);
     glVertex3f(-1.0f, -1.0f, 0.0f);
@@ -254,14 +254,14 @@ bool SSAO::setup()
         return true;
 
     //genero i 2 framebuffer object che mi servono.
-    glGenFramebuffersEXT(1, &_fbo);
-    glGenFramebuffersEXT(1, &_fbo2);
+    glGenFramebuffers(1, &_fbo);
+    glGenFramebuffers(1, &_fbo2);
 
     //attacco il primo...adesso le modifiche andranno a modificare solo _fbo
-    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _fbo);
+    glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
 
     //Generates first color texture
-    this->genColorTextureEXT(this->_color1, GL_COLOR_ATTACHMENT0_EXT);
+    this->genColorTextureEXT(this->_color1, GL_COLOR_ATTACHMENT0);
 
     this->genDepthMapTexture24(this->_depthMap, false);
 
@@ -269,17 +269,17 @@ bool SSAO::setup()
 
     glDrawBuffersARB(0, drawBuffers);
 
-    int err = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
-    _initOk = (err == GL_FRAMEBUFFER_COMPLETE_EXT);
+    int err = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+    _initOk = (err == GL_FRAMEBUFFER_COMPLETE);
 
     if(!this->_initOk)
         return this->_initOk;
 
     //attacco il secondo fbo...adesso le modifiche andranno a modificare solo _fbo2
-    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _fbo2);
+    glBindFramebuffer(GL_FRAMEBUFFER, _fbo2);
 
     //Generates first color texture
-    this->genColorTextureEXT(this->_color2, GL_COLOR_ATTACHMENT0_EXT);
+    this->genColorTextureEXT(this->_color2, GL_COLOR_ATTACHMENT0);
 
     //Generates render buffer for depth attachment
     this->genDepthRenderBufferEXT(this->_depth);
@@ -290,10 +290,10 @@ bool SSAO::setup()
 
     this->loadNoiseTxt();
 
-    err = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
-    _initOk = (err == GL_FRAMEBUFFER_COMPLETE_EXT);
+    err = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+    _initOk = (err == GL_FRAMEBUFFER_COMPLETE);
 
-    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+    glBindFramebuffer(GL_FRAMEBUFFER, 0);
     return _initOk;
 }
 
diff --git a/src/meshlabplugins/decorate_shadow/variance_shadow_mapping.cpp b/src/meshlabplugins/decorate_shadow/variance_shadow_mapping.cpp
index 63b55267f..b08bfbd1f 100644
--- a/src/meshlabplugins/decorate_shadow/variance_shadow_mapping.cpp
+++ b/src/meshlabplugins/decorate_shadow/variance_shadow_mapping.cpp
@@ -37,6 +37,7 @@ VarianceShadowMapping::VarianceShadowMapping(float intensity):ShadowMapping(inte
 }
 
 VarianceShadowMapping::~VarianceShadowMapping(){
+
     glDetachShader(this->_depthShaderProgram, this->_depthVert);
     glDetachShader(this->_depthShaderProgram, this->_depthFrag);
 
@@ -44,7 +45,7 @@ VarianceShadowMapping::~VarianceShadowMapping(){
     glDeleteShader(this->_depthFrag);
     glDeleteProgram(this->_depthShaderProgram);
 
-    glDeleteFramebuffersEXT(1, &(this->_depth));
+    glDeleteRenderbuffers(1, &(this->_depth));
 }
 
 bool VarianceShadowMapping::init()
@@ -167,18 +168,18 @@ bool VarianceShadowMapping::setup()
                 return true;
 
         //genero il frame buffer object
-        glGenFramebuffersEXT(1, &_fbo);
-        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _fbo);
+        glGenFramebuffers(1, &_fbo);
+        glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
 
         //Generates texture color for variance shadow map
-        this->genColorTextureEXT(this->_shadowMap, GL_COLOR_ATTACHMENT0_EXT);
+        this->genColorTextureEXT(this->_shadowMap, GL_COLOR_ATTACHMENT0);
 
         //Generates render buffer for depth attachment
         this->genDepthRenderBufferEXT(this->_depth);
 
         //checks for errors
-        int err = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
-        _initOk = (err == GL_FRAMEBUFFER_COMPLETE_EXT);
-        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+        int err = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+        _initOk = (err == GL_FRAMEBUFFER_COMPLETE);
+        glBindFramebuffer(GL_FRAMEBUFFER, 0);
         return _initOk;
 }
diff --git a/src/meshlabplugins/decorate_shadow/variance_shadow_mapping_blur.cpp b/src/meshlabplugins/decorate_shadow/variance_shadow_mapping_blur.cpp
index f13649af0..38bd78f60 100644
--- a/src/meshlabplugins/decorate_shadow/variance_shadow_mapping_blur.cpp
+++ b/src/meshlabplugins/decorate_shadow/variance_shadow_mapping_blur.cpp
@@ -43,8 +43,8 @@ VarianceShadowMappingBlur::~VarianceShadowMappingBlur(){
     glDeleteShader(this->_blurFrag);
     glDeleteProgram(this->_blurShaderProgram);
 
-    glDeleteTexturesEXT(1, &(this->_blurH));
-    glDeleteTexturesEXT(1, &(this->_blurV));
+    glDeleteTextures(1, &(this->_blurH));
+    glDeleteTextures(1, &(this->_blurV));
 }
 
 bool VarianceShadowMappingBlur::init()
@@ -96,7 +96,7 @@ void VarianceShadowMappingBlur::runShader(MeshDocument& md, GLArea* gla){
 
     this->bind();
     glUseProgram(this->_depthShaderProgram);
-    glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+    glDrawBuffer(GL_COLOR_ATTACHMENT0);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     foreach(MeshModel *m, md.meshList)
     {
@@ -123,7 +123,7 @@ void VarianceShadowMappingBlur::runShader(MeshDocument& md, GLArea* gla){
     GLuint loc = glGetUniformLocation(this->_blurShaderProgram, "scene");
     glUniform1i(loc, 0);
 
-    glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
+    glDrawBuffer(GL_COLOR_ATTACHMENT1);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
         glBegin(GL_TRIANGLE_STRIP);
@@ -144,7 +144,7 @@ void VarianceShadowMappingBlur::runShader(MeshDocument& md, GLArea* gla){
     loc = glGetUniformLocation(this->_blurShaderProgram, "scene");
     glUniform1i(loc, 0);
 
-    glDrawBuffer(GL_COLOR_ATTACHMENT2_EXT);
+    glDrawBuffer(GL_COLOR_ATTACHMENT2);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
         glBegin(GL_TRIANGLE_STRIP);
@@ -206,17 +206,17 @@ bool VarianceShadowMappingBlur::setup()
             return true;
 
     //genero il frame buffer object
-    glGenFramebuffersEXT(1, &_fbo);
-    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _fbo);
+    glGenFramebuffers(1, &_fbo);
+    glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
 
     //Generates texture color for variance shadow map
-    this->genColorTextureEXT(this->_shadowMap, GL_COLOR_ATTACHMENT0_EXT);
+    this->genColorTextureEXT(this->_shadowMap, GL_COLOR_ATTACHMENT0);
 
     //Generates texture color for horizontal blur
-    this->genColorTextureEXT(this->_blurH, GL_COLOR_ATTACHMENT1_EXT);
+    this->genColorTextureEXT(this->_blurH, GL_COLOR_ATTACHMENT1);
 
     //Generates texture color for vertical blur
-    this->genColorTextureEXT(this->_blurV, GL_COLOR_ATTACHMENT2_EXT);
+    this->genColorTextureEXT(this->_blurV, GL_COLOR_ATTACHMENT2);
 
     //Generates render buffer for depth attachment
     this->genDepthRenderBufferEXT(this->_depth);
@@ -226,8 +226,8 @@ bool VarianceShadowMappingBlur::setup()
     glDrawBuffersARB(3, drawBuffers);
 
     //checks for errors
-    int err = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
-    _initOk = (err == GL_FRAMEBUFFER_COMPLETE_EXT);
-    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+    int err = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+    _initOk = (err == GL_FRAMEBUFFER_COMPLETE);
+    glBindFramebuffer(GL_FRAMEBUFFER, 0);
     return _initOk;
 }