前言

CSS3有个别特性,可以触发硬件GPU来加速渲染,而不是调用默认浏览器引擎渲染;

但是很多属性,默认都是不开启硬件加速的;需要触发条件,一个最简单的触发条件就是使用3D属性(对Z轴的操作)

效果图

代码

<meta charset="UTF-8" />
<title></title>
<style media="screen" type="text/css">
.items {
            width: 280px;
            height: 150px;
            border: 1px solid #ddd;
                box-sizing: border-box;
                border-radius:10px;
                background-size: cover;
            -webkit-transform: translateZ(0);
            transform: translateZ(0);
                background-repeat: no-repeat;
            -webkit-animation: slider 15s linear infinite alternate;
            animation: slider 15s linear infinite alternate;
            -webkit-transform-origin: center center;
                    transform-origin: center center;

        }



        @-webkit-keyframes slider {
            0% {
                background-image: url(1.jpg) ;
            }
            25% {
                background-image: url(2.jpg) ;

            }
            50% {
                background-image: url(3.jpg) ;

            }
            75% {
                background-image: url(4.jpg);

            }
            100% {
                background-image: url(5.jpg);

            }
        }
@keyframes slider {
            0% {
                background-image: url(1.jpg) ;

            }
            25% {
                background-image: url(2.jpg) ;

            }
            50% {
                background-image: url(3.jpg) ;

            }
            75% {
                background-image: url(4.jpg);

            }
            100% {
                background-image: url(5.jpg);

            }
        }</style>