logFatal("The following OpenGL 2.0 extensions are not supported by your system graphics, please try updating your video drivers or buy a new hardware:\n",ss.str());
logFatal("The following OpenGL 2.0 extensions are not supported by your system graphics, please try updating your video drivers or buy a new hardware:\n",
ss.str(),
"Graphics card: ",glGetString(GL_RENDERER),
"\nOpenGL driver: ",glGetString(GL_VERSION));
m_useFBO=m_useFBO&&GLEW_ARB_framebuffer_object;
m_generateHardwareMipmaps=m_generateHardwareMipmaps&&m_useFBO;// glGenerateMipmap is supported when FBO is