Figure 1 is a graphics image illustrating shadow-map geometry;
Figure 2 is a simplified two-dimensional diagram denoting primary and secondary depths;
Figure 3 is a geometric diagram illustrating intersection distances and shadows;
Figure 4 is a diagram illustrating a hierarchy of textures;
Figures 5A and 5B are images using a known shadow-map technique and a shadow-mask technique according
to one embodiment of the invention;
Figure 6 is a schematic block diagram of a classic graphics pipeline;
Figure 7 is a schematic diagram of the parts of the pipeline which have been modified in accordance with an
embodiment of the invention; and
Figure 8 is a flow chart illustrating a method of rendering an image in accordance with one embodiment of the
invention.