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Maniphest T44791

Unpaintable transparent triangles with texture paint
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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:

Unpaintable.blend464 KBDownload

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

Revisions and Commits

rB Blender
rBd3c67bc81e29 Fix T44791 triangles when painting on a texpaint plane

Related Objects

Event Timeline

WK Bong (lightbwk) created this task.May 20 2015, 9:37 PM
WK Bong (lightbwk) raised the priority of this task from to 90.
WK Bong (lightbwk) updated the task description. (Show Details)
WK Bong (lightbwk) added a project: BF Blender.
WK Bong (lightbwk) edited a custom field.
WK Bong (lightbwk) added a subscriber: WK Bong (lightbwk).
Johnson Martin (regus) added a subscriber: Johnson Martin (regus).May 20 2015, 10:45 PM

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

WK Bong (lightbwk) added a comment.May 20 2015, 11:01 PM

confirm problem at a1e8547 (Win7 64 bit)

Antonis Ryakiotakis (psy-fi) lowered the priority of this task from 90 to Normal.May 21 2015, 11:20 AM
Antonis Ryakiotakis (psy-fi) added a subscriber: Antonis Ryakiotakis (psy-fi).

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

Antonis Ryakiotakis (psy-fi) claimed this task.May 21 2015, 11:20 AM
Antonis Ryakiotakis (psy-fi) added a comment.May 21 2015, 3:00 PM

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...

WK Bong (lightbwk) added a comment.May 21 2015, 3:34 PM

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

Antonis Ryakiotakis (psy-fi) changed the task status from Unknown Status to Resolved by committing rBd3c67bc81e29: Fix T44791 triangles when painting on a texpaint plane.May 21 2015, 4:06 PM
Antonis Ryakiotakis (psy-fi) added a commit: rBd3c67bc81e29: Fix T44791 triangles when painting on a texpaint plane.
WK Bong (lightbwk) added a comment.May 21 2015, 8:22 PM

Thank you!