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: [email protected]
ReportedBy: [email protected]
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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