双线性过滤（Bilinear_filtering）是进行缩放显示的时候进行纹理平滑的一种纹理过滤方法。
作为最终场景的一部分，光晕纹理缩小到使用双线性过滤和场景直接输出的后缓冲尺寸。
As part of the final scene pass, the bloom texture is scaled to the size of the back buffer using bilinear filtering and added directly to the output of the scene.
坦白地说，我们仍处于初期物理，就像在那里你的Z轴缓冲和双线性过滤-事情很明显现在完全不同。
Frankly, we're still in the early days of physics, much like 3D in the early days where you had Z-buffer and bilinear filtering - things are obviously quite different nowadays.
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