Hi Louis,
Due to the way VBox 3D support is implemented currently, taking
screenshot inside guest may not work,
actually it should work only if guest is using standard 3D/OpenGL API
for screenshot acquisition.
VBox 3D support gets enhanced constantly, so this should be surely fixed
one day I'd say.
For now you can use host's "take screenshot" functionality as a workaround.
Mikhail
On 31.05.2013 15:06, Louis King Jr wrote:
I wanted to restate in case it was missed, Debian 7 running Gnome 3 is
the first and only Linux guest where screenshots work with 3D enabled.
On Fri, May 31, 2013 at 6:06 AM, Louis King Jr <[email protected]
<mailto:[email protected]>> wrote:
Yes, it's always been a 3D problem. 3D has always been problematic
with the Mac version of VirtualBox. The screenshot problem for 3D
has been going on for something like 3 years. 2D screenshots are fine.
I figured the errors weren't too meaningful but I thought I should
include them.
On Fri, May 31, 2013 at 5:58 AM, Sergey Dubov
<[email protected] <mailto:[email protected]>> wrote:
Louis King Jr <[email protected]
<mailto:[email protected]>> ?????(?) ? ????? ?????? Fri,
31 May 2013 01:00:17 +0400:
the build is VirtualBox-4.2.51-86105
On Thu, May 30, 2013 at 4:56 PM, Louis King Jr
<[email protected] <mailto:[email protected]>> wrote:
the error in the Ternimal....
louiss-imac:~ Mine$ VirtualBox -startvm "LMDE
Cinnamon" --rmode image
VirtualBox: error: Code NS_ERROR_NOT_IMPLEMENTED
(0x80004001) - Not implemented (extended info not
available)
VirtualBox: error: Context:
"Notify3DEvent(VBOX3D_NOTIFY_EVENT_TYPE_VISIBLE_WINDOW, NULL)"
at line 266 of file crservice.cpp
On Thu, May 30, 2013 at 4:48 PM, Louis King Jr
<[email protected] <mailto:[email protected]>>
wrote:
when I use 'VirtualBox -startvm <guest's name>
--rmode image' I get a message about starting in
16 bit color mode although it does start in 32 bit
color. The screenshot is still black. That's when
I tried it with LMDE - Cinnamon.
On Thu, May 30, 2013 at 3:30 PM, Sergey Dubov
<[email protected]
<mailto:[email protected]>> wrote:
Louis King Jr <[email protected]
<mailto:[email protected]>> ?????(?) ?
????? ?????? Thu, 30 May 2013 22:00:53 +0400:
This has been a long standing problem with
VirtualBox running on Mac hosts. For
whatever reason screenshots on Linux
guests running Compiz or Unity or Gnome3
or Cinnamon can not take screenshots. All
one gets is an empty black screen. I've
been told this is not an issue for the
Windows or Linux versions of VB. As of
today's 4.2.51 version it's still an
issue. If it is one of the things being
worked on currently of course ignore this
message.
I would mention the current version of
Debian 7 with Gnome 3 does actually work
as far as screenshots go and I have no
idea why.
Hi.
Is it the case with QImage frame-buffer too?
I mean by default MacOS X host VM uses
Quartz2D frame-buffer but there is an
experimental QImage frame-buffer support which
can be used by trunk VM through '--rmode
image' passed as additional argument to
'VirtualBox -startvm <vm name>' like:
VirtualBox -startvm Ubuntu --rmode image
--
*/With Best Regards,/*
*/[Oracle/VirtualBox] Sergey Dubov
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Hi.
Ok, it seems the screen-shot issue is deeper than the used
frame-buffer type.
Is it 3D related thing? I mean is the screenshot correct when
you are getting it with 3D turned off for the same VM?
About error warnings in terminal, you can ignore these
warnings for now.
They are related to new functionality which is not yet
implemented from the GUI side.
--
*/With Best Regards,/*
*/[Oracle/VirtualBox] Sergey Dubov
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