# http://scratch.madduck.net/__etc__X11__xorg.conf
# from madduck on #radeon
# /etc/X11/xorg.conf (xorg X Window System server configuration file)

Section "Files"
    ModulePath      "/usr/local/lib/xorg/modules,/usr/lib/xorg/modules"
EndSection

### DEVICES ####################################################################

Section "Device"
    Identifier      "Radeon1"
    Driver          "radeon"
    BusID           "PCI:1:5:0"
    Screen          0
#    Option          "Monitor-DVI-0" "Samsung SyncMaster 2343BW"
 #   Option          "ZaphodHeads" "DVI-0"
    Option       "DRI"     "true"
#   Option         "AccelMethod" "EXA"
    Option         "AccelMethod" "XAA"
EndSection

Section "Device"
    Identifier      "Radeon2"
    Driver          "radeon"
    BusID           "PCI:2:0:0"
    Screen          0
#    Option          "Monitor-DVI-0" "Samsung SyncMaster 2343BW"
 #   Option          "ZaphodHeads" "DVI-0"
#    Option       "DRI"     "true"	# this makes X slow, don't ask why
    Option       "DRI"     "false"
#    Option         "AccelMethod" "EXA"
    Option         "AccelMethod" "XAA"
EndSection

Section "Device"
    Identifier      "Radeon3"
    Driver          "radeon"
    BusID           "PCI:3:0:0"
 #   Screen          0
    Option          "Monitor-DVI-0" "Samsung SyncMaster 2343BW"
    Option          "ZaphodHeads" "DVI-0"
    Option       "DRI"     "false"
#    Option         "AccelMethod" "EXA"
    Option         "AccelMethod" "XAA"	# see man radeon
EndSection

#Section "Device"
#  # connected to middle monitor (Samsung SyncMaster 2343BW)
#    Identifier      "Radeon 9250 DVI3"
#    Driver          "radeon"
##    BusID           "PCI:0:12:0"
#    BusID           "PCI:2:0:0"
#    Screen          0
##    Option          "Monitor-DVI-0" "Samsung SyncMaster 2343BW"
##    Option          "ZaphodHeads" "DVI-0"
#    Option          "IgnoreEDID" "true"
#    Option          "Monitor-VGA-0" "MRM B18XA"
#    Option          "ZaphodHeads" "VGA-0"
#EndSection

### SCREENS ####################################################################
#

Section "Screen"
    Identifier      "Screen1"
    Device          "Radeon1"
    DefaultDepth    24
    SubSection "Display"
        Depth       24
#        Modes       "1024x768"
        Modes       "2560x1024"
	Virtual		3000 3000
    EndSubSection
EndSection

Section "Screen"
    Identifier      "Screen2"
    Device          "Radeon2"
    DefaultDepth    24
    SubSection "Display"
        Depth       24
#        Modes       "1024x768"
        Modes       "2560x1024"
	Virtual		3000 3000
    EndSubSection
EndSection

Section "Screen"
    Identifier      "Screen3"
    Device          "Radeon3"
    DefaultDepth    24
    SubSection "Display"
        Depth       24
#        Modes       "1024x768"
        Modes       "2560x1024"
	Virtual		3000 3000
    EndSubSection
EndSection

### SERVER STUFF ##############################################################

Section "ServerLayout"
    Identifier      "seat2"
    Screen        0 "Screen2"
    Screen      1  "Screen3" RightOf "Screen2"
EndSection

Section "ServerLayout"
    Identifier      "seat3"
    Screen        0 "Screen3"
EndSection

Section "ServerFlags"
    Option          "DontZap" "yes"
    Option          "AllowDeactivateGrabs" "yes"
    Option          "AllowClosedownGrabs" "yes"
EndSection

Section "Extensions"
    Option          "Composite" "Enable"
#    Option          "Composite" "Disable"
    Option          "RENDER" "true"
    Option          "DAMAGE" "true"
EndSection

# does dual output with this command:
# xrandr --output VGA-0 --auto --left-of DVI-0
# xrandr --output DVI-0 --mode 1280x1024 --output VGA-0 --mode 1280x1024 --left-of DVI-0
#
# glxgears: 720
# 420