Accessing the native CEF V8 API in CefSharp

[skillbert]

I currently have a native plugin based on Napi in nodejs/Electron and I want to port it to support an existing CefSharp application. The extension has performance critical parts and relies on direct access to things such as ArrayBuffers and therefore using CefSharp C# bindings is not feasible. From looking at the CEF V8 API it shouldn't be that bad to port it from Napi to CEFV8 calls.

From looking at the code it seems that I should write my own CefSharp.BrowserSubProcess.exe based on https://github.com/cefsharp/CefSharp/blob/master/CefSharp.BrowserSubprocess/Program.cs and implement IRenderProcessHandler here. However, IV8Context and V8Context (https://github.com/cefsharp/CefSharp/blob/master/CefSharp.BrowserSubprocess.Core/Wrapper/V8Context.h) do not expose a native handle to CefV8Context.

I also looked at CefRegisterExtension, but that looked fragile and unsupported. It also doesn't have life cycle hooks.

I think adding something along the lines of UIntPtr GetNativeContext(){return _context.get();} to V8Context.h would solve my use case. Or is there maybe some other way to access CEFV8 without forking CefSharp.BrowserSubprocess.Core?

[amaitland]

Or is there maybe some other way to access CEFV8 without forking CefSharp.BrowserSubprocess.Core?

Not currently.