Comment # 5
on bug 106053
from Roland Scheidegger
(In reply to Marek Olšák from comment #4) > I think the hw doesn't have a clipper, though it shouldn't be hard to verify > if it's true. Yeah, draw could use some optimizations for the clipper, e.g. > the guardband, but simply doing culling (not clipping) should be enough for > point sprites. That's what I meant with guardband clipping: there's no actual clipping, but the hw will still cull pixels outside the viewport. Hence it probably would be better if draw wouldn't clip if a primitive doesn't fit into the viewport, but fits into the (hw) guardband. (And you are right that point sprites are a bit of a special case.)
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