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---
title: HLSL操作符笔记
date: 2024-09-09 18:43:48
excerpt:
tags:
rating: ⭐
---
- ceil向上取整。
- floor向下取整。
- step(xy)x<=y返回1(真)否则返回0
- all()判断所有向量是否都不为0都不为0返回true否者返回false。