lumenex.engine.technical.brief

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1、winxos11-01-28winxos11-01-28TechnicalBriefLumenexEngine:TheNewStandardinGPUImageQualityNovember2006TB-02824-001_v01LumenexEngine:TheNewStandardinGPUImageQualityiiTB-02824-001_v01November8,2006IntroductiontotheLumenexEngineAtNVIDIAweareextremelypassionateaboutimagequality.Thepeoplew

2、hodesignouraward-winningNVIDIA®GeForce®graphicsprocessorshailfromavarietyofbackgrounds.Somecamewithexperienceinhigh-endworkstationsystems,wherethousandsoffinelineshadtoberenderedwiththeuttermostprecision.OthersspenttheirlivesinCGI,wherepixelshaderscouldrundaysonendtoproducetheright

3、subtleeffectsthatmadegreatfilmslikeTheIncrediblesandCars.Whentheseengineersputtheirmindstodesignournext-generationarchitecture—theGeForce8800—theysetouttobuildaGPUwiththebestimageprocessingengineintheworld.TheynamedthenewtechnologytheNVIDIA®Lumenex™engine.LumenexcomesfromthetwoLati

4、nwordsluminosusandlumens.Itsymbolizestheamazingqualityoflight—atoncebothbrightandscintillating.BeforetheintroductionoftheGeForce8800GPUSeries,PC-basedgraphicschipscouldnotliveuptothisidealforavarietyofreasons.Chiefamongthemwastheconflictbetweenrenderingwellandrenderingquickly;graph

5、icsprocessorssimplydidnothavetheresourcestorenderasceneinitsmostfaithfulrepresentationwithoutslowingtoacrawl.Theresultwaswatered-downimagesthatwereneithercrispnorluminous.TheGeForce8800withtheLumenexenginesolvestheseproblemsandraisesimagequalitytothenextlevel.ThenewLumenexenginebri

6、ngsseveralkeyinnovations:ß16×CoverageSamplingAntialiasing(CSAA)ß16×near-perfectangle-independentanisotropicfilteringß16-bitand32-bitfloating-pointtexturefilteringßFullyorthogonal128-bithighdynamic-range(HDR)renderingwithalltheabovefeaturesßAfull10-bitdisplaypipelineTB-02824-001_v01

7、1November8,2006LumenexEngine:TheNewStandardinGPUImageQualityLumenexAntialiasingEngineSinceNVIDIAintroducedmultisampleantialiasing(MSAA)totheindustryin2001,gamershaveembracedthenewgraphicspossibilitieswithsmoothedgesandcrisptextures.Overtheyearswecontinuallyimprovedourantialiasingen

8、gine,bringingfeaturessucha