Отрисовка окон в gnome [gentoo]

Section "ServerLayout"
	Identifier     "X.org Configured"
	Screen      0  "Screen0" 0 0
	InputDevice    "Mouse0" "CorePointer"
	InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
	ModulePath   "/usr/lib/xorg/modules"
	FontPath     "/usr/share/fonts/misc/"
	FontPath     "/usr/share/fonts/TTF/"
	FontPath     "/usr/share/fonts/OTF"
	FontPath     "/usr/share/fonts/Type1/"
	FontPath     "/usr/share/fonts/100dpi/"
	FontPath     "/usr/share/fonts/75dpi/"
EndSection

Section "Module"
	Load  "dbe"
	Load  "extmod"
	Load  "glx"
	Load  "record"
EndSection

Section "InputDevice"
	Identifier  "Keyboard0"
	Driver      "kbd"
EndSection

Section "InputDevice"
	Identifier  "Mouse0"
	Driver      "mouse"
	Option	    "Protocol" "auto"
	Option	    "Device" "/dev/input/mice"
	Option	    "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
	Identifier   "Monitor0"
	VendorName   "Monitor Vendor"
	ModelName    "Monitor Model"
EndSection

Section "Device"
	Identifier  "Card0"
	Driver      "nvidia"
	VendorName  "nVidia Corporation"
	BoardName   "Unknown Board"
	BusID       "PCI:1:0:0"
EndSection

Section "Extensions"
Option "Composite" "true"
EndSection

Section "Screen"
	Identifier "Screen0"
	Device     "Card0"
	Monitor    "Monitor0"
	DefaultDepth 24
	Option         "DamageEvents" "True"            # Не работает при SLI
	#Option         "DisableGLXRootClipping" "True"  # для серии 100.xx.xx, но старее 100.14.19
	#Option         "AllowGLXWithComposite" "True"   # для версии старее 9639
	Option         "UseEvents" "False"              # улучшение работы OpenGL рендеринга
	Option         "TripleBuffer" "True"            # улучшение качества, испольщовать с включенным Sync2VBlank в OpenGL
	Option         "BackingStore" "True"            
	Option         "RenderAccel" "True"
	Option         "AddARGBGLXVisuals" "True"
	Option         "MultisampleCompatibility" "True"  # использование раздельных фронтального и фонового multisample буферов
	Option         "NoLogo" "true"
	Option         "NvAGP" "1"  
	Option         "NoPowerConnectorCheck" "off"
	Option         "NoBandWidthTest" "on"



	SubSection "Display"
		Viewport   0 0
		Depth     1
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     4
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     8
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     15
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     16
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection