如何捕获Windows上的桌面，以便捕获directX和正常渲染的屏幕的部分？ [英] How to capture desktop on windows so that it would capture both directX and normally rendered parts of screen?

问题描述

简单的例子 - 一方面我们看到通过标准软件呈现的相机渲染的输入另一方面（标记为输出）通过一些directX东西（至少它似乎在我）渲染：

Simple example - on one side we see camera rendered via standard software rendered "Input" on other hand (labeled "Output") rendered via some directX stuff (at least it seems to me) :

那么，Windows api或DirectX api提供什么功能来捕获这些混合场景？

So what function is provided by windows api or DirectX api for capturing such mixed scenes?

推荐答案

TightVNC服务器可以，你可能想看看他们在做什么。从简单的扫视他们的源代码，它看起来像他们正在创建一个虚拟屏幕镜像主屏幕。
具体来说，请查看
CreateCompatibleDC 和 CreateDIBSection API的

TightVNC Server can do it, you may want to look into what they are doing. From a simple glance through their source code it looks like they are creating a virtual screen that mirrors the primary screen. Specifically though, look into the CreateCompatibleDC and CreateDIBSection API's

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