Durham Medical Books > Computing > High Performance Computing for Computer Graphics and by Scott R. Whitman (auth.), M. Chen BSc, PhD, MBCS, P. PDF

High Performance Computing for Computer Graphics and by Scott R. Whitman (auth.), M. Chen BSc, PhD, MBCS, P. PDF

By Scott R. Whitman (auth.), M. Chen BSc, PhD, MBCS, P. Townsend BSc, PhD, CEng, MBCS, J. A. Vince MTech, PhD, FBCS, FVRS (eds.)

ISBN-10: 1447110110

ISBN-13: 9781447110118

ISBN-10: 3540760164

ISBN-13: 9783540760160

This publication includes frequently a range of papers that have been provided on the foreign Workshop on excessive functionality Computing/or special effects and Visualisation, held in Swansea, uk on 3-4 July 1995. The workshop was once subsidized by way of the HEFCWI Initiative on ·Parallel Computing - Foundations and Applications·, and it has supplied the foreign special effects neighborhood with a platform for: • assessing and reviewing the influence of the improvement of excessive functionality computing at the development of special effects and visualisation; • featuring the present use of excessive functionality computing structure and software program instruments in special effects and visualisation, and the advance of parallel images algorithms; • settling on capability excessive functionality computing functions in special effects and visualisation, and inspiring contributors of the images group to consider their difficulties from the point of view of parallelism. The publication is split into six sections. the 1st part, which acts because the advent of the booklet, supplies an summary of the present state-of-the-art It incorporates a accomplished survey, by means of Whitman, of parallel algorithms for special effects and visualisation; and a dialogue, via Hansen, at the previous, current and destiny excessive functionality computing purposes in special effects and visualisation. the second one part is targeted at the layout and implementation of excessive functionality structure, software program instruments and algorithms for floor rendering.

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Extra info for High Performance Computing for Computer Graphics and Visualisation: Proceedings of the International Workshop on High Performance Computing for Computer Graphics and Visualisation, Swansea 3–4 July 1995

Sample text

8 Z-Offset Units are present on the ZRAM-chip, it is thus possible to generate and process 800M Z-valuesls, with only 100M Z-valuesls being transmit- Clod< Jitter offset selected by Screen Address --t--~;;;;~~~:::::=~7 ADDER 1 Z-Value of (Sub-jp;xel Figure 6: The Z-Offset Unit 41 ted from the rasterizer. The subpixel masks generated by the rasterizer are used to selectively enable the Z-Buffering for each subpixel. The result of the Z-Bufferingis output as a modified subpixel mask, which indicates which subpixels are visible.

And p = (u,v). Two examples are shown in Figure 9. Thus, for using this mode, the rasterizer trans- Grey Areas : Projections of pixels on the texture Figure 9: Footprint Assembly fers u, v and A. during the first access to the TEXRAM, and ~~ = (~u, ~ v) and N during the second. The TEXRAM autonomously generates N sample locations, and returns the averaged pixel color after a certain time to the rasterizer. The advantage of this method is twofold: Q the rasterizer can perform the calculation of N and ~~ sequentially, using its hardware units for perspective texture mapping multiple times, while Q the TEXRAM assembles the previous pixel.

He split the stan- 25 dard graphics pipeline into three stages: front-end, rasterization, and back-end. Thomas Crockett and Tobias Orloff implemented a standard scan-line conversion algorithm on a distributed memory system message passing, the INTEL iPSC/860[5]. They approached the problem by combining the first three stages of the standard graphics pipeline and splitting the rendering process into two distinct steps: splitting polygons into trapezoids and rasterizing the transformed trapezoids.

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High Performance Computing for Computer Graphics and Visualisation: Proceedings of the International Workshop on High Performance Computing for Computer Graphics and Visualisation, Swansea 3–4 July 1995 by Scott R. Whitman (auth.), M. Chen BSc, PhD, MBCS, P. Townsend BSc, PhD, CEng, MBCS, J. A. Vince MTech, PhD, FBCS, FVRS (eds.)


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