[Bug 22169] glPointSize errors

http://bugs.winehq.org/show_bug.cgi?id=22169

--- Comment #1 from Henri Verbeet   2010-03-26 14:23:52 ---
(In reply to comment #0)
> (http://www.opengl.org/sdk/docs/man/xhtml/glPointSize.xml) is invalid. It is
> pretty easy to see from the definition of state_pscale that the value which is
> passed to glPointSize (pointSize.f) is not even touched if
> stateblock->renderState[WINED3DRS_POINTSCALEENABLE] is not true.

Not entirely, it gets the initial value from
"stateblock->renderState[WINED3DRS_POINTSIZE]", interpreted as float. That's
what the union is for. Does this actually result in rendering errors in the
game? A point size of 0 doesn't sound very useful, maybe we should just ignore
those. Needs tests.