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FRUSTUM CONSTRUCTION<br />
� Calculate depth bound<br />
– max and min values of depth<br />
� Split depth direction into 32 cells<br />
– Min value and cell size<br />
� Flag occupied cell<br />
� A 32bit depth mask per work group<br />
16 | A 2.5D culling for Forward+ | Takahiro Harada<br />
A tile<br />
7 7 7 7<br />
7 7 7 2<br />
7 7 2 1<br />
7 2 1 0<br />
0 1 2 3 4 5 6 7<br />
Depth mask = 11100001
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