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Such an implementation would be adapted both to text-mode cases (for example, full-screen XP command consoles, and MS-DOS guests), and to classic-video-game cases (StarCraft is to be restated) - such code would indeed operate great for lots of past games, in which output resolution is of 640x480, and for which double-scaling would be a viable solution relating to current-generation modern monitors. The underlying mechanisms of the implementation would be for a check, triggered by definite conditions, to be performed in order to determine whether native width and height in pixels is great enough for integer-factor scaling to take place, then for the largest suitable scaling to be performed. It has to be noted, though, that this is already achievable through reducing host resolution, for example from 1920x1080 to 960x540, although such a method arguably is not that suited for long-term purposes. Such an automatic "zoom-in magnifying," if it may be put that way, while under full-screen mode would continue to feature black bordering, although a much-larger area of the screen would be put to good use. In other words, the mapping of individual pixels to larger (2x2, 3x3, and so forth) blocks of like-value pixels. It is to be remembered, though, that the best scaling method is integer-factor scaling. The remaining space is occupied by black borders surrounding said application. Game (or application at hand) remains in a smaller window (at it's running resolution) without scaling up to full screen as it should in these situations. When running games such as starcraft (and very likely any game set to a lower resolution then the screen's potential), virtualbox fails to scale the image up to fullscreen in full screen mode. Then, the only case where VirtualBox might offer to scale the display is when the user runs a full-screen guest within a VirtualBox window.ĭisclaimer: I know next to nothing about Direct3D. To come back to the normal mode, just select VirtualBox as the active window, and use the ‘Host + C’ or ‘Ctrl + C’ by default on Windows, or just choose ‘Scaled Mode’ or ‘Full-screen Mode’ under the ‘View’ menu. ![]() #Virtualbox full screen mode windows#This is how it looks while running Ubuntu guest operating system on a Windows host. #Virtualbox full screen mode driver#For instance, I have my driver set to respect 4:3 aspect ratios on a widescreen display, while others might prefer to stretch. It looks kind of buggy, but you can still use it. The host's display driver is better at that, anyway. This would postpone the need to implement scaling in VirtualBox proper. Would it be possible to simply allow the guest to change the host's desktop resolution via !DirectX/Direct3D? Specifically, when the guest invokes (say) IDirect3D9::CreateDevice() with D3DPRESENT_PARAMETERS.Windowed = false and BackBuffer = foo, could this be passed through to the host? Effectively, VirtualBox itself would behave like a full-screen Direct3D game, temporarily switching the display resolution (without mucking up the host desktop). This works every time specially when all other options fails like how it happened for me.Searching around Google turns up some discussion about solving this generally, but perhaps a quick fix could provide 90% of the benefit without committing to a fully general solution at this time. In ANKSVM.vbox and ANKSVM.vbox-prev files: home//VirtualBox VMs/ANKSVM) where ANKSVM is your VM Name and edit and change the following Close all virtual machines and VirtualBox windows.įind your machine config files (i.e.Finally i found the following when all the other options fails:įix the Scale Mode Issue in Oracle VirtualBox in Ubuntu using the following steps: ![]() ![]() I even tried the command line option to revert back the scale mode and it won't work either. For me, when i was trying to revert back the Host key, it was just not happening and the shortcut keys won't just work. Now if anyone is using or has ever used Ubuntu, you might be aware that how things are hard sometimes when using shortcut keys in Ubuntu. I was having the similar issue when using VirtualBox on Ubuntu 12.04LTS. ![]()
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