Added an automatic Flush() when drawing with a shader (temporary workaround to make shaders parameters work properly)

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1283 4e206d99-4929-0410-ac5d-dfc041789085

src/SFML/Graphics/RenderTarget.cpp

@@ -118,6 +118,10 @@ void RenderTarget::Draw(const Drawable& object, const Shader& shader)
 
     // Restore the previous render states
     myRenderQueue.PopStates();
+
+    // For now, drawing with a shader cannot be batched because of the shader's parameters
+    // @todo Find a better solution!
+    Flush();
 }