Section "ServerLayout"
    Identifier     "layout"
    Screen        0  "intelScreen"
    Screen        1  "radeonScreen" RightOf "intelScreen"
EndSection


Section "Monitor"
    Identifier     "monitor0"
#    Option        "Primary" "true"
#    DisplaySize 348 217    # 140 DPI 1920x1200 15.5
#    DisplaySize 406 254    # 120 DPI 1920x1200 15.5
EndSection

#Section "Monitor"
#    Identifier "monitor1"
#    DisplaySize 443 249    # 110 DPI 1920x1080 21.5
#    Option "RightOf" "monitor0"
#EndSection

Section "Device"
   Identifier  "intelGPU"
   Driver      "intel"
   BusID      "PCI:0:2:0"
   Screen     0
   Option     "DRI"  "3"
EndSection

Section "Device"
   Identifier  "radeonGPU"
   Driver      "radeon"
   BusID      "PCI:1:0:0"
   Screen     1
   Option     "AccelMethod"  "glamor"
#    Option     "ShadowPrimary"  "on"
   Option     "DRI"  "3"
EndSection

Section "Screen"
    Identifier     "intelScreen"
    Device        "intelGPU"
    Monitor       "monitor0"
EndSection

Section "Screen"
    Identifier     "radeonScreen"
    Device        "radeonGPU"
    Monitor       "monitor0"
EndSection