http://bugs.freedesktop.org/show_bug.cgi?id=12217
Summary: clipping planes doesn't work well
Product: Mesa
Version: CVS
Platform: Other
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i965
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
this issue happens on G965 GM965
define 6 user defined clip planes as follow:
GL_CLIP_PLANE0 x-25=0
GL_CLIP_PLANE1 -x+50=0
GL_CLIP_PLANE2 y-20=0
GL_CLIP_PLANE3 -y+60=0
GL_CLIP_PLANE4 z-0.2=0
GL_CLIP_PLANE5 -z+0.6=0
first enable CLIP_PLANE0, CLIP_PLANE1, CLIP_PLANE2 (with others disabled), draw
a point at (10.5, 15.5, 0.1), this point should be clipped out, it does work
well.
but then, disable CLIP_PLANE0, CLIP_PLANE1, CLIP_PLANE2, and enable CLIP_PLANE3
draw a point at (10.5, 15.5, 0.1), this point should not be clipped out. but it
did clip it out.
this issue doesn't happen in non-DRI mode.
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