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A study on the use of OpenGL in window systems
Blekinge Institute of Technology, Department of Software Engineering and Computer Science.
2004 (English)Independent thesis Advanced level (degree of Master (One Year))Student thesisAlternative title
En studie av hur OpenGL används i fönstersystem (Swedish)
Abstract [en]

OpenGL is getting used more in window system as a way of improving performance and enabling new functionality. Examples of two systems using different approaches of how OpenGL is being used are Quartz Extreme and Fresco. Quartz Extreme uses window composition which assures fast redisplay and Fresco on the other hand uses a structured graphics approach which utilises OpenGL on a much lower level compared to Quartz Extreme which operates at a window level. Fresco’s way brings great flexibility and an ability to mix 2D and 3D-objects on the desktop. But each of the approaches has its problems; Quartz extreme requires a large amount of memory for buffering of the window contents and Fresco has performance problems when redisplaying complex structures.

Abstract [sv]

OpenGL används mer och mer i fönstersystem som ett sätt att förbättra prestanda och möjliggöra ny funktionalitet. Två exempel på olika sätt att nyttja OpenGL är Quartz Extreme och Fresco, Quartz Extreme använder fönster komposition vilket garanterar snabbt omritning av fönster medan Fresco använder Structured Graphics vilket använder OpenGL på en mycket lägre nivå inom fönstersystemet jämfört med Quartz Extreme som är på fönster nivå. Frescos angreppsätt medför en större flexibilitet och möjligheten att blanda 2D och 3D-objekt på skrivbordet. Men bägge angreppsätten har sina nackdelar; Quartz Extreme kräver en stor mängd minne eftersom den buffrar fönsterinnehållet och Fresco får problem med prestandan vid omritning av komplexa strukturer.

Place, publisher, year, edition, pages
2004. , 33 p.
Keyword [en]
Window systems, OpenGL, Fresco, Quartz Extreme, Structured Graphics, Window Composition
National Category
Computer Science
Identifiers
URN: urn:nbn:se:bth-3598Local ID: oai:bth.se:arkivexA6A3A5FF56182C50C1256E6E0047D9E2OAI: oai:DiVA.org:bth-3598DiVA: diva2:830908
Uppsok
Technology
Supervisors
Available from: 2015-04-22 Created: 2004-04-06 Last updated: 2015-06-30Bibliographically approved

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