[Mesa3d-dev] [Bug 27250] New: glEnable(GL_VERTEX PROGRAM POINT SIZE) doesn't work

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

http://bugs.freedesktop.org/show_bug.cgi?id=27250

           Summary: glEnable(GL_VERTEX PROGRAM POINT SIZE) doesn't work
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
        AssignedTo: mes...@li...
        ReportedBy: ne...@li...


Created an attachment (id=34328)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34328)
Test case

Under GL 2.0 you are meant to be able to write to the gl_PointSize output from
the vertex shader to change the point size per-vertex. This doesn't appear to
work in Mesa.

The attachment is a simple program that draws a single point in the center of
the screen. It uses a vertex shader to change the size of the point to 32
pixels. Under Mesa git master this ends up being a single pixel but on an
NVIDIA machine it correctly ends up as 32 pixels.


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