quadbuffer stereo

adblover adblover at protonmail.com
Mon Jun 24 10:52:52 UTC 2024


I have no idea how to enable quadbuffer stereo (hdmi-3d) on linux for intel and amdgpu.

I tried using Option Stereo 12 with this result
(WW) AMDGPU(0): Option "Stereo" is not used

Hoping for solutions for both cards (intel arc,renoir)

thanks
----------------------------------------------

#xorg.conf that I used
Section "ServerLayout"

Identifier     "xserver"
        Screen      0  "screen" 0 0
        InputDevice    "keyb"  "CoreKeyboard"
        InputDevice    "mouse"  "CorePointer"
EndSection

Section "ServerFlags"
        Option "AllowMouseOpenFail"  "true"  # allows the server to start up even if the mouse does not work
        #Option "DontVTSwitch"        "false" # allow switching between virtual terminal
        # Option "DontZoom"            "true"  # disable <Crtl><Alt><KP_+>/<KP_-> (resolution switching)
EndSection

Section "Files"
#        RgbPath      "/usr/X11R6/lib/X11/rgb"
#        ModulePath   "/usr/X11R6/lib/modules"
# More information:  http://ftp.x.org/pub/X11R7.0/doc/html/fonts.html
        FontPath     "/usr/share/fonts/X11/misc"
        FontPath     "/usr/share/fonts/X11/100dpi/:unscaled"
        FontPath     "/usr/share/fonts/X11/75dpi/:unscaled"
        FontPath     "/usr/share/fonts/X11/Type1"
        FontPath     "/usr/share/fonts/X11/100dpi"
        FontPath     "/usr/share/fonts/X11/75dpi"
        FontPath     "/usr/X11R6/lib/X11/fonts/misc:unscaled"
        FontPath     "/usr/X11R6/lib/X11/fonts/misc"
        FontPath     "/usr/X11R6/lib/X11/fonts/75dpi:unscaled"
        FontPath     "/usr/X11R6/lib/X11/fonts/75dpi"
        FontPath     "/usr/X11R6/lib/X11/fonts/100dpi:unscaled"
        FontPath     "/usr/X11R6/lib/X11/fonts/100dpi"
# True type and type1 fonts are also handled via xftlib, see /etc/X11/XftConfig!
        FontPath     "/usr/X11R6/lib/X11/fonts/Type1"
        FontPath     "/usr/share/fonts/ttf/western"
        FontPath     "/usr/share/fonts/ttf/decoratives"
        FontPath     "/usr/share/fonts/truetype/ttf-bitstream-vera"
        FontPath     "/usr/share/fonts/latex-ttf-fonts"
        FontPath     "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
        Load  "dbe"       # double buffer extension
        Load  "dri"       # direct rendering
        Load  "glx"       # 3D layer
	Load "amdgpu"
	Load "modesetting"
	Load "glamoregl"
        Load  "extmod"    # some commonly used server extensions (e.g. shape extension)
        Load  "record"    # recording extension
        Load  "evdev"     # generic input handling driver on Linux
        Load  "bitmap"    # bitmap fonts
         Load  "ddc"       # ddc probing of monitor
         Load  "freetype"  # font rendering
EndSection

Section "InputDevice"
        Identifier  "keyb"
        Option      "CoreKeyboard"
        Driver      "evdev"
        Option      "XkbRules"   "xorg"
        Option      "XkbModel"   "pc105"
        Option      "XkbLayout"  "de"
        #Option      "XkbOptions" "u"
EndSection

Section "InputDevice"
        Identifier  "mouse"
        Driver      "evdev"
        #Option      "Device" "/dev/input/mice"
        #Option          "ZAxisMapping"          "4 5"
        #Option          "Buttons"               "5"
        #Option          "SendCoreEvents"        "true"

EndSection

Section "Monitor"
        Identifier   "sony"
        Option       "DPMS"      "true"
        #HorizSync    31.0 - 61.0
        #VertRefresh  50.0 - 90.0
EndSection

Section "Device"
        Identifier  "card"
        Driver      "amdgpu"
	Option "Stereo" "12"
EndSection

Section "Screen"
        Identifier "screen"
        Device     "card"
        Monitor    "sony"

        SubSection "Display"
                Depth     24
                Modes "1920x1080"
        EndSubSection
        SubSection "Display"
                Depth     32
                Modes "1920x1080"
        EndSubSection
SubSection "Extensions"
	Option "Composite" "Disable"
EndSubSection

EndSection

# Make sure you have the relevant Debian packages on your system
# to be able to use DRI (libgl1-mesa-dri for example)
Section "DRI"
        Mode 0666
EndSection
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