Re: [csswg-drafts] [css-transforms-2] Define how exactly to apply perspective (w-parameter) (#912)

That's typically done by clipping on z after perspective correction (divide by w).

If w was negative then it will change z's sign, either putting it outside of clip space (the case where the point is "behind the viewer"), or bringing it back inside clip space (the case @fred-wang demonstrated in his example).

With the way the spec is implemented right now, some points are not displayed while being inside clip space after perspective correction, which is very surprising.

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Received on Saturday, 4 March 2023 20:37:49 UTC