[Interest] Rendering Qt/QML within native OpenGL or to texture

[Stefan Fabian]

Hey,

I found the culprit.
I forgot to disable culling and depth tests and I assume the texture was too close to the camera and clipped.
I've added:

  glDisable(GL_DEPTH_TEST);
  glDisable(GL_CULL_FACE);

and now it works great. Got the render time down from 50ms (at 4K) or 20ms (at 1080p) to ~1ms.
Thanks for the help and the links to Giuseppe.

Best,
Stefan
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