=== modified file 'plugins/opengl/include/opengl/shadercache.h'
--- plugins/opengl/include/opengl/shadercache.h	2013-01-09 10:45:16 +0000
+++ plugins/opengl/include/opengl/shadercache.h	2013-09-26 16:42:06 +0000
@@ -72,6 +72,7 @@
     std::string name;
     std::string vertexShader;
     std::string fragmentShader;
+    bool deleteAfterUse;
 };
 
 class PrivateShaderCache;

=== modified file 'plugins/opengl/src/paint.cpp'
--- plugins/opengl/src/paint.cpp	2013-06-28 01:10:57 +0000
+++ plugins/opengl/src/paint.cpp	2013-09-26 16:42:06 +0000
@@ -1279,6 +1279,12 @@
 	priv->vertexBuffer->render (transform, attrib);
     #endif
 
+    for (std::list<const GLShaderData*>::const_iterator it = priv->shaders.begin(); it != priv->shaders.end(); ++it) {
+	    if ((*it)->deleteAfterUse) {
+		    delete *it;
+	    }
+    }
+
     priv->shaders.clear ();
     texture->disable ();
 

=== modified file 'plugins/opengl/src/privatevertexbuffer.h'
--- plugins/opengl/src/privatevertexbuffer.h	2012-07-25 09:46:54 +0000
+++ plugins/opengl/src/privatevertexbuffer.h	2013-09-26 16:42:17 +0000
@@ -42,6 +42,7 @@
 {
    public:
        void virtual set(GLProgram* program) = 0;
+       virtual ~AbstractUniform() { }
 };
 
 template < typename T, int C >

=== modified file 'plugins/opengl/src/shadercache.cpp'
--- plugins/opengl/src/shadercache.cpp	2013-01-09 10:45:16 +0000
+++ plugins/opengl/src/shadercache.cpp	2013-09-26 16:42:06 +0000
@@ -130,6 +130,7 @@
     shaderData.name = params.id ();
     shaderData.fragmentShader = createFragmentShader (params);
     shaderData.vertexShader = createVertexShader (params);
+    shaderData.deleteAfterUse = false;
 
     std::pair<ShaderMapType::iterator, bool> ret =
         shaderMap.insert(std::pair<GLShaderParameters, GLShaderData>(params,shaderData));

=== modified file 'plugins/opengl/src/vertexbuffer.cpp'
--- plugins/opengl/src/vertexbuffer.cpp	2013-03-31 19:27:26 +0000
+++ plugins/opengl/src/vertexbuffer.cpp	2013-09-26 16:42:06 +0000
@@ -88,6 +88,11 @@
     priv->maxVertices = -1;
     priv->normalData.clear ();
     priv->colorData.clear ();
+
+    for (unsigned i = 0; i < priv->uniforms.size(); i++) {
+        delete priv->uniforms[i];
+    }
+
     priv->uniforms.clear ();
 
     priv->nTextures = 0;

=== modified file 'plugins/opengl/src/window.cpp'
--- plugins/opengl/src/window.cpp	2013-06-10 08:57:12 +0000
+++ plugins/opengl/src/window.cpp	2013-09-26 16:42:06 +0000
@@ -366,6 +366,7 @@
     data->name = name;
     data->vertexShader = vertex_shader;
     data->fragmentShader = fragment_shader;
+    data->deleteAfterUse = true;
 
     priv->shaders.push_back(data);
 }