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List:       mesa3d-dev
Subject:    [Mesa3d-dev] [Bug 10801] New: GL_ARB_fragment_program implement
From:       bugzilla-daemon () freedesktop ! org
Date:       2007-04-29 5:30:10
Message-ID: bug-10801-598 () http ! bugs ! freedesktop ! org/
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http://bugs.freedesktop.org/show_bug.cgi?id=10801

           Summary: GL_ARB_fragment_program implement incorrect about
                    fragment.position
           Product: Mesa
           Version: CVS
          Platform: Other
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
        AssignedTo: mesa3d-dev@lists.sourceforge.net
        ReportedBy: nian.wu@intel.com
                CC: wei.z.wang@intel.com


When call glProgramStringARB with below program string:
"!!ARBfp1.0\nOUTPUT outcolor = result.color;\nATTRIB attrib_fragpos =
fragment.position;\nTEMP temp_fpos;\nMUL temp_fpos, attrib_fragpos, {0.2, 0.1,
0.4, 0.7};\nMOV outcolor, temp_fpos;\nEND"
The dest pixel color should be changed according to pixel position. But the
dest pixel color is incorrect and do not change. Please see attached test case.


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