// Test which syntax are allowed for shaders
   const GpuProgramManager::SyntaxCodes &syntaxCodes = GpuProgramManager::getSingleton().getSupportedSyntax();
   for (GpuProgramManager::SyntaxCodes::const_iterator iter = syntaxCodes.begin();iter != syntaxCodes.end();++iter)
   {
     LogManager::getSingleton().logMessage("supported syntax : "+(*iter));
   }