How can I attach imgui to an existing GLFW window? about imgui-go-examples HOT 4 CLOSED

Hello there and thank you for your message!
With an existing window you have already a first step, this is good.
I'd say it comes down to re-create what is available in this examples repository.

I suspect most of internal/platforms/glfw.go you already have, so you need to focus on only what is necessary what is exposed via the Platform interface in internal/example/Run.go (match what your existing render loop has to this one, and add what's missing).

To get imgui running, you'll then need most/all of what is under internal/renderers - either the OpenGL2 or OpenGL3 variant, whichever you have in your application. Set it up like the corresponding main.go does.
Finally, get the whole loop running by looking at internal/example/Run.go and see what you are missing in your existing loop.

In essence, imgui is quite unobstrusive. You set it up separately, wire up the platform interface to the IO API, and put the render logic before you do the actual SwapBuffer (equivalent).

from imgui-go-examples.

Thanks, @dertseha for the awesome advice. Have a great day!

from imgui-go-examples.

In case anybody stumbles upon this issue and is interested in how I implemented the advice above, see https://github.com/adamthomason/expression/tree/master/layers/imgui

from imgui-go-examples.

In case anybody stumbles upon this issue and is interested in how I implemented the advice above, see https://github.com/adamthomason/expression/tree/master/layers/imgui

link is dead.

from imgui-go-examples.