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Unpaintable transparent triangles with texture paint
Closed, ResolvedPublic

Description

System Information
Win7 64bit GTX 560ti

Blender Version
Broken: 2.74 to 2.74.5 05c4c24

Short description of error
At specific size/position, some parts of the plane cannot be painted.

Exact steps for others to reproduce the error
Blendfile:

  1. set this argument to run blender "-p 100 100 1280 720"
  2. paint randomly on the plane

Event Timeline

WK Bong (lightbwk) raised the priority of this task from to Needs Triage by Developer.
WK Bong (lightbwk) updated the task description. (Show Details)
WK Bong (lightbwk) added a project: BF Blender.
WK Bong (lightbwk) set Type to Bug.

I can reproduce this exactly as posted above. (Windows 7 64x, 2.74 3593082)

confirm problem at a1e8547 (Win7 64 bit)

Antony Riakiotakis (psy-fi) lowered the priority of this task from Needs Triage by Developer to Normal.May 21 2015, 11:20 AM

Confirmed. Man this is going to be hard to solve....

Investigation results for the record: Very old bug (tested up to 2.71) and cause is boundary detections for tiles fail in project_bucket_clip_face. Hope to fix soon...

Cool. At least we have some clue of the cause.