On the other hand, shadow volumes are rendered with pixel accuracy, but they .... For nonconvex objects, this extrusion can result in nested silhouettes, which do not ... The first important observation is that z-pass usually performs faster than ...

This chapter describes how to use shadow volumes, the shadowing method used in ... This means that the objects being shadowed can be meshes, billboards, ..... counts in hardware using the stencil buffer, which makes the method fast.

Object-space shadow algorithms, such as shadow volumes, work by creating a ... Still, shadow maps are much faster than shadow volumes in complex scenes.

onto arbitrarily shaped objects, and don't expect to see shadows from multiple light sources. ... Section 6 explains a more powerful stencil-based shadow volume ... typically at least an order of magnitude faster than software stenciling.

With Chapter 11, "Efficient and Robust Shadow Volumes Using Hierarchical Occlusion ... shader, which properly handles occlusion by opaque objects such as large buildings. ..... "Fast Summed-Area Table Generation and Its Applications.

GPUs are processing batches faster and faster, meaning that polygons can be ... Once the shadowing term is determined, each object the light touches must be ... Although extruded shadow volumes almost always use separate batches, ...

17 Jul 2009 ... In this chapter, we consider the effect of volumetric shadows in the atmosphere on light ... light occluding objects will cast volumes of shadow and appear to create rays of light ..... Fast Virus Signature Matching on the GPU ...

20 Apr 2011 ... Chapter 11: Efficient and Robust Shadow Volumes Using Hierarchical ... Chapter 26: Object Detection by Color: Using the GPU for Real-Time ...

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