[Mesa3d-dev] [Bug 10801] New: GL_ARB_fragment_program implement incorrect about fragment.position

[<bug...@fr...>]

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: mes...@li...
        ReportedBy: ni...@in...
                CC: wei...@in...


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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