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  1. Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware (HWWS '02)
  2. Resample hardware for 3D graphics
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Adaptive texture maps
SaarCOR: a hardware architecture for ray tracing
Shader metaprogramming
Low latency photon mapping using block hashing
High-quality unstructured volume rendering on the PC platform
Resample hardware for 3D graphics
The ray engine
Efficient partitioning of fragment shaders for multipass rendering on programmable graphics hardware
Interactive rendering of atmospheric scattering effects using graphics hardware
Dependency graph scheduling in a volumetric ray tracing architecture
Comparing Reyes and OpenGL on a stream architecture
Efficient rendering of spatial bi-directional reflectance distribution functions
Physically-based visual simulation on graphics hardware
VIZARD II: a reconfigurable interactive volume rendering system

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Resample hardware for 3D graphics

Content Provider ACM Digital Library
Author Barenbrug, Bart Meinds, Koen
Abstract Texture mapping is a core technology of current real-time 3D graphics systems. To avoid aliasing artifacts, the texture mapping resample process requires proper filtering. We present a new resample algorithm for two-pass forward texture mapping that is suited to an efficient hardware implementation. This method delivers high quality anti-aliased images using filter techniques based on digital signal processing. We use an input sample driven texture resample and filtering algorithm that "splats" the contribution of each input sample (texel) to output samples (pixels). We show how the algorithm can be efficiently implemented in a hardware resample structure. The algorithm is incorporated and tested in a standard 3D graphics pipeline using the OpenGL interface. Our results exhibit better anti-aliasing of textures than anisotropic filtering found in current advanced graphics chips. We also show that the same texture filtering method can be used to implement edge anti-aliasing. Our edge anti-aliasing results show an absence of aliasing on most edges.
Starting Page 17
Ending Page 26
Page Count 10
File Format PDF
ISBN 1581135807
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2002-09-01
Publisher Place Goslar
Access Restriction Subscribed
Content Type Text
Resource Type Article
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