Game Development Reference
1 directional light
1 directional light + 12 medium-sized
moving point lights
Tab l e 7 . 1 . Performance results in the Sponza scene ( ∼ 280,000 triangles) using two grid
cascades (on a Nvidia Geforce 485 GTX Mobile with 1,280
Figure 7.2. Sponza scene with direct illumination only.
Figures 7.2- 7.4 show how this technique can improve the appearance of a
scene. For the screenshots the same Sponza scene has been used as for the
previous performance results.
By utilizing new DirectX 11 features, this technique is capable of producing
visually good and stable results for a high number of light sources contained
in realistic game environments while maintaining high interactive frame rates.
Moreover the video memory consumption is kept at a low level.