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Ticket Resolution Summary Owner Reporter
#6187 fixed Accel OpenGL window out of date until glxSwapBuffers is called -> Fixed in SVN Travis Cobbs
Description

When accelerated OpenGL is enabled, it only works right for applications that call glxSwapBuffers frequently. Applications that don't do this when they aren't updating prevent any other windows from being displayed over the OpenGL window, and leave the OpenGL window behind when the application window is moved.

To reproduce this, install the qt4-demos package in Ubuntu. (I did this in Ubuntu 9.04, but it should do the same thing in Ubuntu 9.10.) Once qt4-demos is installed, run /usr/lib/qt4/examples/opengl/hellogl/hellogl. Once that has launched, just move its window. Notice that the OpenGL window gets left behind. Then, move some other window over the top of the OpenGL area. Notice that the OpenGL area obscures the other window even though the other window is supposed to be over the OpenGL window.

Drag one of the sliders in the hellogl UI and it will update its display, which triggers a call to glxSwapBuffers, and as soon as it does this, everything is fine again. You can't really tell that other windows on top work because dragging the sliders also brings the hellogl window to the front. However, if swap buffers were called in the background, the clipping problem would go away. To see an example of this, just run /usr/lib/qt4/examples/opengl/2dpainting/2dpainting. Notice that 2dpainting doesn't exhibit any of the problems listed. That appears to be because it is constantly updating and calling glxSwapBuffers.

#12416 wontfix Acceleration VT/x not recognized in the virtualbox installed on the guest machine. yann458
Description

Hello ,

I Have virtualBox 4.2.18 installed in the physical machine Ubuntu 12.04, The hardware acceleration is recognized.

I have installed a VirtualBox 4.3.4 into guest machine Windows XP which runned on physical machine ubuntu VirtualBox 4.2.18 ,

then the hardware acceleration is not recognized in my guest machine but recognized on physical machine.

Thank

#911 wontfix Accepting 1.5.2 license agreement Josh Wright
Description

By exclusively using VBoxManage and VBoxSDL (and therefore never running the full VirtualBox GUI) it's possible to circumvent the acceptance of the license agreement.

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