Removed all the automatic batching stuff and replaced it with a more straight-forward implementation using a state cache for optimizing performances

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1362 4e206d99-4929-0410-ac5d-dfc041789085

samples/shader/Shader.cpp

@@ -162,6 +162,9 @@ int main()
                       "Press numpad 2/5 to change the flower shader\n"
                       "Press numpad 3/6 to change the global shader");
 
+sf::RenderImage test;
+test.Create(800, 600);
+
     // Create a clock to measure the total time elapsed
     sf::Clock clock;