资源描述：
《GDC2014_Next_Generation_Mobile_Rendering-2033767592》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、Next-genMobileRenderingNiklasSmedbergSeniorEngineProgrammer,EpicGamesTimothyLottesSeniorRenderingProgrammer,EpicGamesGameDeveloperConference,March17-21,2014Introduction•NiklasSmedberg,a.k.a.“Smedis”–17yearsinthegameindustry–GraphicsprogrammersincetheC64demoscene•TimothyLottes–
2、Industrybackgroundingames,GPUhardware,andmoviespecialeffects–Programmingsincedaysofthe80386PCsGameDeveloperConference,March17-21,2014Content•Hardware–Hownext-genmobilehardwarereallyworks–Casestudy:•ImgTecSeries6G6430(“Rogue”)•QualcommAdreno420(Snapdragon805)•Software–Next-genm
3、obilerenderingtechniquesinUnrealEngine4–BringingAAAPCgraphicstomobileGameDeveloperConference,March17-21,2014TechDemoVideoGameDeveloperConference,March25GameDeveloperConference,March17--29,201321,2014NextGenerationMobileHardware•Bigleapinfeaturesandperformance•Full-featured(e.g
4、.OpenGLESNext,DirectX10/11)•Peakperformancenowcomparabletoconsoles(Xbox360/PS3)–About300+GFLOPSand26GB/s•Newgoal:BringAAAPCgraphicstomobileGameDeveloperConference,March17-21,2014GDC2012vs.GDC2014•Next-genperformance?20x?GameDeveloperConference,March17-21,2014PerformanceTrends(
5、FP16GFLOPS)3502010SGX535300+2011SGX543MP23002012SGX543MP32502013G64302014Adreno,K1,GX66502001541501005025.56.412.8020102011201220132014GameDeveloperConference,March17-21,2014Tile-basedMobileGPU•MobileGPUsareusuallytile-based(next-gentoo)Tile-based:ImgTec,Qualcomm*,ARMDirect:NV
6、IDIA,Intel,Qualcomm*,Vivante*QualcommAdrenocanrendereithertile-basedordirecttoframebuffer–Extension:GL_QCOM_binning_controlGameDeveloperConference,March17-21,2014Tile-BasedMobileGPUSummary:•Splitthescreenintotiles–E.g.32x32pixels(ImgTec)or300x300(Qualcomm)•Thewholetilefitswith
7、inGPU,onchip•Processalldrawcallsforonetile–WriteoutfinaltileresultstoRAM•RepeatforeachtiletofilltheimageinRAMGameDeveloperConference,March17-21,2014ImgTecTile-basedRenderingProcessGameCmdBufferVertexProcessingTileData(RAM)(RAM)PerTile:HiddenSurfacePixelProcessingTileFrameBuffe
8、rRemoval(Top-mostonly)Memory(RAM)GameDeveloperConference,Marc
