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: [email protected]
ReportedBy: [EMAIL PROTECTED]
CC: [EMAIL PROTECTED]
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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