為 nvidia letterboxing 設定 xorg.conf 元模式

Question

我目前正在嘗試將信箱螢幕解析度配置xorg.conf為小於顯示器的原始解析度 ( 1680x1050)，以便我可以全螢幕玩較舊的遊戲而不會失真。我發現有一種方法可以做到這一點，其中涉及向 中添加元模式xorg.conf，但文檔很少，所以我有點害怕在xorg.conf沒有進一步輸入的情況下開始清理。舉例來說，假設我有一個遊戲以1024x768.我要添加什麼才能將其居中和信箱？

這是我的xorg.conf：

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

這裡有幾個可能會派上用場的連結：

類似的問題：http://www.nvnews.net/vbulletin/showthread.php?t=184968

文件:http://us.download.nvidia.com/XFree86/Linux-x86_64/302.17/README/configtwinview.html#metmodes

謝謝！