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Normal Node shows a hole in its sphere when zoomed in on Retina Display
Closed, ResolvedPublic

Description

System Information
OS X 10.10.1
Observed on a Retina MacBook Pro
(Can provide more detailed specs soon...)

Blender Version
Broken: 2.74, (and maybe also in 2.75 rc2?)

Short description of error
Firstly, I'm sorry that I haven't had a chance to test this with the latest build on a Retina machine. In two days I expect to have a chance to. Right now I cannot, as I do not have a Retina Display Mac in front of me.
I am posting this earlier than later since a 2.75 release is right around the corner and I don't want to waste valuable time.

Can a user with a Retina Display machine please try this and confirm or deny this interface rendering glitch?

Exact steps for others to reproduce the error

  1. In the Node Editor for materials (Cycles), add a Normal node.
  2. Zoom in as far as you can. You may see a hole appear in the node's white sphere.

Seems like this could be a clipping distance issue caused by a miscalculation when the pixel density is doubled up.

Event Timeline

Seth L. (quantumanomaly) set Type to Bug.
Seth L. (quantumanomaly) created this task.
Seth L. (quantumanomaly) raised the priority of this task from to Needs Triage by Developer.
Sergey Sharybin (sergey) triaged this task as Normal priority.

@Campbell Barton (campbellbarton), it's easy to reproduce here on linux by bumpting DPI all the way up and then zooming in. Doesn't feel like difficult fix, but wouldn't mind having your inputs here, not so much familiar with the UI drawing area.

Or maybe @Julian Eisel (Severin)/@Antony Riakiotakis (psy-fi) will be willing to investigate that piece of code in more details? :)