Windows：是否*可能*创建（虚拟）显卡驱动程序？
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Windows: Is it *possible* to create a (virtual) video card driver?
提问by Ian Boyd
i want to create a virtual monitor. The way this would work is that the virtual monitorwould appear in a window on my desktop. As far as Windows knows it is just another monitor.
我想创建一个虚拟监视器。这将起作用的方式是虚拟监视器将出现在我桌面上的窗口中。就 Windows 而言，它只是另一台显示器。
It occurs to me that it would, as a practical matter, have to be done as video card driver (i.e. rather than the video going out a wire to an LCD panel, it would go into another window on the desktop).
我突然想到，作为一个实际问题，它必须作为视频卡驱动程序来完成（即视频不是通过电线连接到 LCD 面板，而是进入桌面上的另一个窗口）。
Does what i'm describing sound, technically, possible? (from a DDK point of view)
从技术上讲，我所描述的声音是否可行？（从DDK的角度来看）
Note:i can't use a virtual pc, because no virtual PC has resolutions high enough for my needs. Also because it's not what i asked for.
注意：我不能使用虚拟 PC，因为没有任何虚拟 PC 的分辨率足以满足我的需要。也因为这不是我所要求的。
Note:My reasons are unimportant, but i can make some up:
- i want to test my application under high-dpi settings (288dpi)
- i want to create a monitor that my iPad can VNC to
- the family TV runs on the main monitor
- the hiHymaner is monitoring the bus, and he'll blow it up if he suspects we're getting the passengers off
- i'm trying to expand the limits of human knowledge and understanding, for the good of all man-kind
注意：我的理由不重要，但我可以补充一些：
- 我想在高 dpi 设置 (288dpi) 下测试我的应用程序
- 我想创建一个我的 iPad 可以 VNC 的显示器
- 家庭电视在主显示器上运行
- 劫机者正在监视公共汽车，如果他怀疑我们正在让乘客下车，他会炸毁它
- 我正在努力扩大人类知识和理解的极限，为了全人类的利益
采纳答案by Bruno
I'd say it's definitely possible, since that's what virtualization tools do for their guest utilities, but I wouldn't be able to tell you how in details. I'd suggest looking at the VirtualBoxguest driver code as a starting point: http://www.virtualbox.org/browser/trunk/src/VBox/Additions/WINNT/Graphics
我会说这绝对是可能的，因为这就是虚拟化工具为他们的来宾实用程序所做的，但我无法详细告诉你如何。我建议以VirtualBox来宾驱动程序代码为起点：http: //www.virtualbox.org/browser/trunk/src/VBox/Additions/WINNT/Graphics
(This is released under GPL as far as I'm aware.)
（据我所知，这是在 GPL 下发布的。）
回答by Ben Voigt
It's definitely possible, see for example the UltraVNC mirror driver. But I don't know of any virtual video driver that makes source code available.
这绝对是可能的，例如参见 UltraVNC 镜像驱动程序。但我不知道有任何可以提供源代码的虚拟视频驱动程序。
回答by Johnny
I have been searching for something similar and I found a nice solution: spacedesk. You can download it here: http://spacedesk.ph/In windows, it installs an extra monitor, which you can open in a browser or a viewer. Enjoy!
我一直在寻找类似的东西，我找到了一个很好的解决方案：spacedesk。您可以在此处下载：http: //spacedesk.ph/在 Windows 中，它安装了一个额外的监视器，您可以在浏览器或查看器中打开它。享受！
回答by troelskn
Don't know about Windows, but for X (Linux) there is Xvfb (X Virtual Frame Buffer), which is quite a useful thing.
不知道Windows，但对于X（Linux）有Xvfb（X Virtual Frame Buffer），这是一个非常有用的东西。
