Download Algorithms for Parallel Polygon Rendering by Theoharis Theoharis PDF

By Theoharis Theoharis

This e-book is the results of the study within the implementation of polygon-based pictures operations on definite common goal parallel processors; the purpose is to supply a speed-up over sequential implementations of the pictures operations involved, and the ensuing software program could be considered as a subset of the appliance suites of the correct parallel machines. A literature overview and a short description of the architectures thought of supply an creation into the sphere. so much algorithms are continuously provided in an informally outlined extension of the Occam language which include unmarried guide a number of facts circulate (SIMD) facts varieties and operations on them. unique tools for polygon rendering - together with the operations of filling, hidden floor removing and tender shading - are awarded for SIMD architectures just like the DAP and for a dual-paradigm (SIMD-MIMD) desktop built out of a DAP-like processor array and a transputer community. Polygon clipping algorithms for either transputer and the DAP are defined and contrasted. except the knowledge provided within the e-book and the beneficial literature survey, the reader may also anticipate to realize an perception into the programming of the appropriate parallel machines.

Show description

Read or Download Algorithms for Parallel Polygon Rendering PDF

Similar compilers books

Applications of Declarative Programming and Knowledge Management: 15th International Conference on Applications of Declarative Programming and Knowledge

This publication constitutes the completely refereed joint post-proceedings of the fifteenth foreign convention on functions of Declarative Programming and data administration, INAP 2004, and the 18th Workshop on good judgment Programming, WLP 2004, held together in Potsdam, Germany in March 2004. The 18 revised complete papers provided including an invited educational lecture and an invited paper have been chosen in the course of rounds of reviewing and development.

Call-By-Push-Value: A Functional/Imperative Synthesis

Call-by-push-value is a programming language paradigm that, unusually, breaks down the call-by-value and call-by-name paradigms into uncomplicated primitives. This monograph, written for graduate scholars and researchers, exposes the call-by-push-value constitution underlying a extraordinary variety of semantics, together with operational semantics, domain names, attainable worlds, continuations and video games.

Learn Cocoa on the Mac

The Cocoa frameworks are essentially the most robust for growing local OS X apps on hand this present day. in spite of the fact that, for a first-time Mac developer, simply firing up Xcode four and commencing to browse the documentation could be a daunting and challenging job. The Objective-C classification reference documentation by myself may fill hundreds of thousands of published pages, let alone all of the different tutorials and courses integrated with Xcode.

Additional info for Algorithms for Parallel Polygon Rendering

Sample text

Having implemented the optimisation required to avoid visiting non-intersecting windows, the performance of our filling algorithm will depend on the number of relevant windows, to, the number of edges in the polygon, n, the depth of the planar arithmetic representation, pd, the depth of the frame buffer, fd, and the word and bit parallelism of the processor array, (N,M). e. 1). 44 tADD to be the time required to perform an N×N×(pd) planar addition, with the result planar integer being one of the operands, using an NxN×M processor array.

Incremental window calculations for N=2 36 For an n-sided polygon we need n planar integers Ri, n horizontal increments H i and n vertical increments Vi. MASK for the window. planes of the planar integers R4 to derive the If the height of the average polygon of the application spans several windows, performance can be enhanced by the use of an Active Edge Table as in sequential polygon filling. 1) within the first using planar arithmetic. Take the (precomputed) planar integers X and Y defined as" X(i,j) Create constant = i Y(i,j) = j .

Log2 (21og2N + w - i) J +l. r+tlog2(21og2N+w-1)J+l Thus the bits deep. 4). Therefore the evaluation accurate arithmetic example, then the number (w may be the number of representation if I--512, N = 3 2 bit representation is required. 4. 1. 6. e. The method is applicable to convex polygons that occupy an a region in which any pixel can be reached from any other by a sequence of any of the eight one-pixel vertical, horizontal or diagonal moves. Given the U O V E t L M A S K for a particular RW, it is usually possible to decide whether its neighbouring windows are RW's by inspecting the appropriate boundary of the C O V E R .

Download PDF sample

Rated 4.24 of 5 – based on 39 votes

About admin