[PD] [Gem]: "Failed to map depth buffer"

[Roman Haefeli]

hi all

since some time, i don't recall since when exactly - a few weeks or so,
i cannot use gem anymore. as soon as i send [create( to [gemwin], i get
in the stderr:

'fglrx: Failed to map depth buffer!'

and the pd-window says:

'Direct Rendering enabled!
GEM: Start rendering'

the gem-window does pop-up, but instead of the black background it just
shows the desktop from behind (framebuffer not cleared?).
i think it started to happen after an 'xorg-driver-fglrx'-update, but i
am not sure. recompiling gem didn't help.

the system:
-always up-to-date ubuntu dapper
-pd_40test3-test5
-Gem 0.91-cvs (checked out last week)

i don't know too much about this stuff, so i am not sure if this really
is related to gem or to fglrx (or something else). the only i can tell:
3dp (the opengl-part of pdp) seems to work fine. also fgl_glxgears or
glxgears works. also the glx-output of pdp [pdp_glx] works, but for some
reason i can only create one window. a second [pdp_glx]-window stays
white and i get the same error on stderr ('fglrx: Failed to map depth
buffer!') and when creating a third one, pd crashes. otoh, i can create
as many windows i want with mplayer using '-vo gl'. this all is quite
confusing me and i don't know where to start right now. googling the
error-message didn't help me a lot. 
any suggestions are very appreciated.

ciao
roman

just in case this could be important info, the 'device'-section of my
xorg.conf:

<paste>

# === ATI device section ===

Section "Device"
    Identifier                          "ATI Graphics Adapter connector
0"
    Driver                              "fglrx"
# ### generic DRI settings ###
# === disable PnP Monitor  ===
    #Option                              "NoDDC"
# === disable/enable XAA/DRI ===
    Option "no_accel"                   "no"
    Option "no_dri"                     "no"
# === misc DRI settings ===
    Option "mtrr"                       "off" # disable DRI mtrr mapper,
driver has its own code for mtrr
# ### FireGL DDX driver module specific settings ###
# === Screen Management ===
    Option "DesktopSetup"               "(null)"
    Option "ScreenOverlap"              "0"
    Option "GammaCorrectionI"           "0x06419064"
    Option "GammaCorrectionII"          "0x06419064"
# === OpenGL specific profiles/settings ===
    Option "Capabilities"               "0x00000000"
    Option "CapabilitiesEx"             "0x00000000"
# === Video Overlay for the Xv extension ===
   Option "VideoOverlay"               "on"
# === OpenGL Overlay ===
# Note: When OpenGL Overlay is enabled, Video Overlay
#       will be disabled automatically
    Option "OpenGLOverlay"              "off"
# === Center Mode (Laptops only) ===
    Option "CenterMode"                 "off"
# === Pseudo Color Visuals (8-bit visuals) ===
    Option "PseudoColorVisuals"         "off"
# === QBS Management ===
   Option "Stereo"                     "off"
    Option "StereoSyncEnable"           "1"
# === FSAA Management ===
    Option "FSAAEnable"                 "no"
    Option "FSAAScale"                  "1"
    Option "FSAADisableGamma"           "no"
    Option "FSAACustomizeMSPos"         "no"
    Option "FSAAMSPosX0"                "0.000000"
    Option "FSAAMSPosY0"                "0.000000"
    Option "FSAAMSPosX1"                "0.000000"
    Option "FSAAMSPosY1"                "0.000000"
    Option "FSAAMSPosX2"                "0.000000"
    Option "FSAAMSPosY2"                "0.000000"
    Option "FSAAMSPosX3"                "0.000000"
    Option "FSAAMSPosY3"                "0.000000"
    Option "FSAAMSPosX4"                "0.000000"
    Option "FSAAMSPosY4"                "0.000000"
    Option "FSAAMSPosX5"                "0.000000"
    Option "FSAAMSPosY5"                "0.000000"
# === Misc Options ===
    Option "UseFastTLS"                 "0"
    Option "BlockSignalsOnLock"         "on"
    Option "UseInternalAGPGART"         "yes"
    Option "ForceGenericCPU"            "no"
    BusID "PCI:1:0:0"    # vendor=1002, device=4e50
    Screen 0
EndSection

</paste>






	

	
		
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