Real time refraction in open GL

[rikkarlo]

Hi everyone, I've noticed that the IOR has no contribute in real time OpenGL viewport, so I'm suggesting to implement this type of effect maybe looking at what Blender EEVEE already does, I understand that it's a strong approximation but it's better than nothing in my opinion.

[rikkarlo]

update, I've found a workaround:

-set "precomputed + reflections" 

-turn on raytracing (not antialiasing) 

-use only an environment to light the scene and bake the lights

In this way the refractions will be visible and fairly fast.

Suggestion: maybe call the option "precomputed + reflection/refractions"

[lukas_faeth]

Implemented in Vulkan in VRED 2026