April 2013
Intermediate to advanced
382 pages
11h 42m
English
Content preview from GPU Pro 4
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130 II Rendering
(a)
(b) (c)
Figure 5.8. (a) A scene without a large depth variance. (b) Visualization of the number
of lights per tile using frustum culled with maximum and minimum depth values in a
tile. (c) Visualization of the number of lights per tile using the proposed 2.5D culling.
With 2.5D culling
Without 2.5D culling
10000
1000
Number of Tiles
Number of Lights (×10)
2322212019181716151413121110987654321
100
10
1
(a)
With 2.5D culling
Without 2.5D culling
10000
1000
Number of Tiles
Number of Lights (×10)
1716151413121110987654321
100
10
1
(b)
Figure 5.9. The count of tiles in terms of the number of lights for the scenes shown in
Figures 5.7(a) and 5.8(a), resp ...
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