使用WebBrowser控件时IE 11 WebGL性能变慢 [英] IE 11 WebGL performance slow when using WebBrowser control
问题描述
我正在尝试将Cesium嵌入到WinForms或WPF应用程序内的WebBrowser控件中（使用IE 11）。作为测试我正在使用此链接：
I'm trying to embed Cesium in a WebBrowser control inside of a WinForms or WPF application (using IE 11). As a test I'm using this link:
http://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/index.html?stats=true
它有效但比直接使用IE 11要慢得多。在IE 11中，一切都以60fps运行;在具有WebBrowser控件的简单WPF或WinForms应用程序中，它以4-6 fps运行。我一直无法追查问题的原因。这是一个空白的窗体或WPF面板，其中WebBrowser控件设置为填充整个窗格。我无法想象没有透明度或其他问题。我注意到，在Visual Studio嵌入式浏览器中访问上述链接具有相同的效果。 WebBrowser是否控制不是JIT JavaScript？这是一个WebGL问题吗？有没有办法我可以调试这个来弄清楚发生了什么？任何帮助将不胜感激。
It "works" but is much much slower than using IE 11 directly. In IE 11, everything runs at 60fps; in a simple WPF or WinForms app with the WebBrowser control it runs at 4-6 fps. I've been unable to track down the cause of the problem. This is with a blank Form or WPF Panel with the WebBrowser control set to fill the entire pane. There's no transparency or other issues that I can imagine. I've noticed that going to the above link inside of the Visual Studio embedded browser has the same effect. Does WebBrowser control not JIT JavaScript? Is it a WebGL issue? Is there a way I can debug this to figure out what's going on? Any help would be greatly appreciated.
推荐答案
事实证明，嵌入式浏览器默认使用IE7渲染引擎
，即使安装了较新版本的IE也是如此。此外，GPU
渲染已关闭，因此浏览器仅使用软件渲染
。
As it turns out, the embedded browser uses the IE7 rendering engine by default, even if a newer version of IE is installed. Also, GPU rendering is switched off, so the browser uses software rendering only.
通过设置以下特征控制注册表键：
- FEATURE_BROWSER_EMULATION - 设置为IE
渲染引擎的期望版本 - FEATURE_GPU_RENDERING - 设置为1，以使GPU
渲染。
这些密钥可以在HKEY_LOCAL_MACHINE或
HKEY_CURRENT_USER下设置为特定程序（可执行文件名），它使用
嵌入式浏览器。 HKCU是首选，因为该程序不需要
管理员权限写入HKCU。
These keys can be set under HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER for a specific program (executable name), which uses the embedded browser. HKCU is preferred since the program won’t need administrator privileges to write to HKCU.
所以当我将FEATURE_BROWSER_EMULATION设置为10000（对于IE10）并设置$时b $ b FEATURE_GPU_RENDERING为1，性能提升至~850美元@
60 fps。还不如1000+ fishies的独立IE好，但
相当不错！
So when I set FEATURE_BROWSER_EMULATION to 10000 (for IE10) and set FEATURE_GPU_RENDERING to 1, the performance improved to ~850 fishies @ 60 fps. Still not as good as standalone IE with its 1000+ fishies, but quite an improvement!
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