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Radeon ProRender shows R9 200 series (R9 280X) available for rendering but it does not work.  

Question asked by colesdav on Jun 6, 2019

Here is installation of the Radeon ProRender plugin for Blender 2.79 result:

 

 

And here is a picture showing the Prorender Menus activated in Blender 2.79b:

 

 

 

Before anyone get's too excited because they see the checkerbox for an R9 200 series GPU - it's an 280X (aka HD7970) (GCN 1.0) GPU shown ticked...
The GPU does show activity in Wattman (i.e. it seems to be working) if I use it in Radeon-ProRender along with the Fiji GPU's to render.

 

However here is the render result if I just run Radeon ProRender on the R9 280x.

 

 

A veritable camoflaged polar bear in the snow.
It's broken or unsupported on R9 280x GPU.

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