New: floating point texture coordinates inverted
http://bugs.freedesktop.org/show_bug.cgi?id=25916
Summary: floating point texture coordinates inverted
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/R600
AssignedTo: [email protected]
ReportedBy: [email protected]
All floating point textures seem to get their coordinates inverted. I don't know if this is a generic mesa bug or something specific to r600 as swrast doesn't support float textures yet. Works fine with fglrx though.
I've confirmed the issue by using the exact same program and just switching between a GL_RGBA16F_ARB and a GL_RGBA texture. The first gets both the s and t coordinate inverted and the second works fine.
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[Bug 25916] floating point texture coordinates inverted
http://bugs.freedesktop.org/show_bug.cgi?id=25916
--- Comment #1 from Alex Deucher <[email protected]> 2010-01-06 08:48:07 PST --- The swizzles may be wrong for some texture formats. See r600GetTexFormat() in r600_texstate.c.
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[Bug 25916] floating point texture components reversed
In reply to [email protected]http://bugs.freedesktop.org/show_bug.cgi?id=25916
Pierre Ossman <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|floating point texture |floating point texture
|coordinates inverted |components reversed--- Comment #2 from Pierre Ossman <[email protected]> 2010-01-06 09:22:31 PST --- As Alex guessed, it was a swizzling problem, not a coordinate one (the texture I was using made the it more or less impossible to tell the difference). Patch has been sent to Alex, and is also available here for a while:
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[Bug 25916] floating point texture components reversed
In reply to [email protected]http://bugs.freedesktop.org/show_bug.cgi?id=25916
Alex Deucher <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED--- Comment #3 from Alex Deucher <[email protected]> 2010-01-06 09:46:15 PST ---
pushed: c9befda13a000f7ad2221e957615c909bff279f8
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