The vertex positions are transformed from clip-space to window space via the Perspective Divide and the Viewport Transform.

经过视角除法和视口变换两步，顶点的位置就从裁剪空间变换到了窗口空间。

youdao

Astronauts opened the shutters of this new picture window in space before dawn Wednesday.

VOA: standard.2010.02.18

The pair, who work in advertising, had originally planned to spend time in a see-through box, but when the window space was made available they decided it was the "next best thing".

BBC: Harrogate week-long shop window stunt comes to an end

I've watched the globe spin past below me from the window of the space shuttle.

CNN: Mark Kelly: Gun loophole makes no sense

When does the window of time and space close?

WHITEHOUSE: Press Briefing