bugfluxus - Bugs: bug #32180, texture diagonalisation

 
 

bug #32180: texture diagonalisation

Submitter:  Kassen Oud <kassen>
Submitted:  Wed 19 Jan 2011 05:41:50 PM UTC
   
 
Category:  None Severity:  3 - Normal
Item Group:  None Status:  Ready For Test
Privacy:  Public Assigned to:  gabor_papp
Open/Closed:  Open
* Mandatory Fields

Add a New Comment Rich Markup
   

Thu 20 Jan 2011 05:57:45 PM UTC, comment #2: 

As a extra data-point I attached two files of identical (750x160) dimensions, of which terras1.png works and terras2.png glitches.


Kassen Oud <kassen>
Group Member
Wed 19 Jan 2011 06:17:47 PM UTC, comment #1: 

it seems that texture width and height should be divisible by 4 on gpus capable of loading npot textures. otherwise power of 2 texture size might be required.

fluxus should display a warning or might scale the texture.

gabor papp <gabor_papp>
Group Member
Wed 19 Jan 2011 05:41:50 PM UTC, original submission:  

Some png images, when applied to primitives, will appear diagonal in the OpenGL scene. This is not a issue with a specific card as it was verified on both NVidea with binary blob drivers and on a laptop that lacks such a card and instead uses software rendering.

As this happens with some files generated by The Gimp and most by Photoshop it's also unlikely to be caused by a the image creation program.

The attached image should demonstrate this when applied as a texture to a (build-plane)

Kassen Oud <kassen>
Group Member

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach Files:
   
   
Comment:
   

Attached Files
file #22470:  terras2.png added by kassen (9KiB - image/png)
file #22471:  terras1.png added by kassen (23KiB - image/png)
file #22457:  terras4.png added by kassen (353KiB - image/png)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -email is unavailable- added by gabor_papp (Posted a comment)
  • -email is unavailable- added by kassen (Submitted the item)
  •  

    There are 0 votes so far. Votes easily highlight which items people would like to see resolved in priority, independently of the priority of the item set by tracker managers.

    Only logged-in users can vote.

     

    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2011-03-02 gabor_papp StatusNone Ready For Test
        Assigned toNone gabor_papp
    2011-01-20 kassen Attached File- Added terras2.png, #22470
        Attached File- Added terras1.png, #22471
    2011-01-19 kassen Attached File- Added terras4.png, #22457

    Back to the top

    Powered by Savane 3.13-bb6a.
    Corresponding source code