NVIDIA神秘的新式抗锯齿：SVCAA-快科技-科技改变生活

NVIDIA神秘的新式抗锯齿：SVCAA

上方文Q
2012年10月08日 10:21
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各种各样的抗锯齿技术已经很多了，但是花样依然在不断翻新。据硬派论坛的技术派人物Edision爆料，在尚未公开的NVIDIA GeForce 306.63版驱动中又出现了一种新的抗锯齿技术“SVCAA”。

目前只知道它代表着Super VCAA，但其中的VC字样是何含义尚不明确。

SVCAA只有一种采样率设置，高达64x，不过分为两种不同采样覆盖模式，分别为AA_MODE_METHOD_SUPERVCAA_64X_8v8、AA_MODE_METHOD_SUPERVCAA_64X_4v12，简单地说就是8×8、4×12。

8xMSAA、64xSVCAA(8×8)对比

8xMSAA、64xSVCAA(8×8)、16xSSAA(4×4)对比

根据mipmap分析，SVCAA应该包含了至少2xSSAA。

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