Titlebook: Ray Tracing Gems II; Next Generation Real Adam Marrs,Peter Shirley,Ingo Wald Book‘‘‘‘‘‘‘‘ 2021 NVIDIA 2021 Computer Graphics.Real-Time Rend

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A Breakneck Summary of Photographic Terms (and Their Utility to Ray Tracing)d at an intuitive level how photographers talk about their craft. As quickly as possible, this chapter aims to explain the terms of photography and videography-boiling them down to their most basic mathematics and utility-before quickly covering their significance to ray tracing and outlining feasib

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Sampling Textures with Missing Derivativesvarying filter kernels for texture map lookups. With traditional rasterization, a variety of techniques have been developed to do this, but the most common one used today is to compute differences among adjacent pixels in a 2 2 quad of pixels. However, doing so is not always possible with modern ren

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Texture Coordinate Gradients Estimation for Ray Conestup. Though the original technique was doing all the mathematics needed to compute the final mip level index, in this chapter we reformulate the problem in a different way that relies on existing hardware-supported instructions. This maintains almost the same visual results and leads to more conveni

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The Schlick Fresnel Approximationapter presents the Schlick approximation, analyzes its error when compared to the full Fresnel reflectance equations, and motivates its use in ray tracing dielectric (non-conducting) materials. It further discusses the Schlick approximation in the context of metallic surfaces and shows a possible ex