[Mesa-dev] [Bug 55817] New: Torchlight: Texture renders as garbage

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Oct 9 12:55:01 PDT 2012


          Priority: medium
            Bug ID: 55817
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: Torchlight: Texture renders as garbage
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: sa at whiz.se
          Hardware: Other
            Status: NEW
           Version: git
         Component: Mesa core
           Product: Mesa

The game Torchlight has a second problem with textures that seems related to
bug 55445 (non power of two textures).

With Mesa 8.0.4 a texture at a certain point in the game is not displayed at
all and GL_INVALID_OPERATION is reported.

With Mesa from git (or any version with the changes for bug 55445) part of the
texture is rendered, the rest is either black or rendered as garbage depending
on the driver. 

It seems to have something to do with the mipmap level as zooming in closer
shows more of the texture.

I have created traces from the game with both 8.0.4 and git to make it easier
to reproduce this:

http://dl.dropbox.com/u/28577999/tl1-trace-80.trace (127M)
http://dl.dropbox.com/u/28577999/tl1-trace-git.trace (149M)

To properly replay these a patch is needed for glretrace:

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