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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 42435] New: Suspected loss of varyings between shaders
Date: Mon, 31 Oct 2011 14:40:48 +0000	[thread overview]
Message-ID: <bug-42435-502@http.bugs.freedesktop.org/> (raw)

https://bugs.freedesktop.org/show_bug.cgi?id=42435

             Bug #: 42435
           Summary: Suspected loss of varyings between shaders
    Classification: Unclassified
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: screwdriver@lxnt.info


Longer description, the test case, screenshots, and core from i965 crash  are
in attached archive.

In short:

I try to draw a 2D screenful of point sprites, emulating an ansi-colored
terminal. Fragment shader receives texture coordinates for the character, its
color and size of graphic in the texture via varyings.

R600g draws a black screen, while llvmpipe and fglrx draw what is supposed to
be drawn. i965 crashes. non-llvm swrast fails to set gl_PointSize. R600c also
draws a black screen.

Drawing varying values themselves I get bogus values for some of them.

Mesa version: 7.12.0~git20111027.0fbc8d30-0ubuntu0sarvatt~natty

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             reply	other threads:[~2011-10-31 14:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-31 14:40 bugzilla-daemon [this message]
2011-10-31 14:43 ` [Bug 42435] Suspected loss of varyings between shaders bugzilla-daemon
2011-10-31 14:50 ` bugzilla-daemon
2011-11-01  9:42 ` bugzilla-daemon
2011-11-01 22:27 ` bugzilla-daemon
2011-11-01 22:28 ` bugzilla-daemon
2011-11-02  0:31 ` bugzilla-daemon
2011-11-02  0:53 ` bugzilla-daemon
2011-11-02  0:54 ` bugzilla-daemon
2011-11-02  1:03 ` bugzilla-daemon
2011-11-02  1:40 ` bugzilla-daemon
2011-11-02  1:41 ` bugzilla-daemon
2011-11-02  4:56 ` bugzilla-daemon
2011-11-02  7:41 ` bugzilla-daemon
2012-02-25 22:26 ` bugzilla-daemon
2012-02-26 15:29 ` bugzilla-daemon

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