不然的话你就需要清楚模板缓冲以使修改生效。
Else you need to clear your template cache to see the change taking effect.
但当打开缓冲设置时，该输出会被其它模板缓冲。
However if you have caching enabled, the output will be cached with the rest of the template.
该算法将阴影图和阴影体算法相结合，先通过阴影图绘制出阴影的轮廓，再利用阴影体算法更新轮廓处象素的模板缓冲值。
By combining shadow map, shadow volume and ray marching techniques, a new hybrid method is proposed for rendering of volumetric shadows under participating media.
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