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I'm an experienced user and have stumbled upon an issue that I can't wrap my head around. I have a very simple node setup. A base material, to a color ramp to an output.

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The position of white marker is animated using a driver that reads info from a baked f-curve. I can confirm that driver works properly and position value changes according to my curve.

My problem is that the method works properly if rendered, however for my game I need to use GLSL/Viewport and consequently what I see in viewport is what I get but the changes do not show in viewport. Changes only appear after I click on the marker in the color ramp.

Basically viewport updates only if colorramp marker is clicked by the user.

I was wondering if there is a workaround/script for this, that forces the viewport to update/refresh properly from frame to frame.

Thank you all in advance :)

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