GDC2017に関する報告

by Fadis

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GDC2017ʹؔ͢Δใࠂ NAOMASA MATSUBAYASHI

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DirectX12 And (how to avoid) Death by a Thousand Cuts ͜ͷηογϣϯͷൃදऀ Jurjen Katsman (Nixxes) GDC VaultͷURL http://www.gdcvault.com/play/1024384/Advanced-Graphics- Tech-How-to

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%JSFDU9͸೉͍͠

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ΞʔϦʔΞμϓλʔͷ໋॓ Α͘(16͕ϋϯά͢Δ͕ϩΫͳσόοάखஈ͕ͳ͍ ೥ॳ಄ͷঢ়گ υΩϡϝϯτ͕εΧεΧ υϥΠόͷ඼࣭͸ʜ Ͳͷ(16ϕϯμʔͱ΋௕ి࿩Λ͢Δࣄʹͳͬͨ σόοάϨΠϠ͕࣌ʑӕΛͭ͘ ࠷ۙ͸΋͏গ͠Ϛγʹͳ͍ͬͯΔ͔΋͠Εͳ͍

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ύΠϓϥΠϯ͸ࣄલʹ࡞Ζ͏ ೖྗετϦʔϜΛมߋ γΣʔμΛมߋ ঢ়ଶΛมߋ υϥΠό (16 ඳը ύΠϓϥΠϯΛੜ੒ ࣮ߦ ύΠϓϥΠϯͷมߋ͸େ͖ͳΦʔόʔϔου ࠓ·Ͱ ύΠϓϥΠϯ੾Γସ͑ ΦϑϥΠϯ ϨϯμϦϯά࣌

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ύΠϓϥΠϯ͸ࣄલʹ࡞ͬͯอଘ͓ͯ͜͠͏ ύΠϓϥΠϯΛੜ੒ ύΠϓϥΠϯΛอଘ υϥΠό (16 ύΠϓϥΠϯΛϩʔυ ࣮ߦ ͜Ε͔Β ඳը ύΠϓϥΠϯ੾Γସ͑ ύΠϓϥΠϯ੾Γସ͑ ύΠϓϥΠϯ͸ࣄલʹ࡞Ζ͏ ΦϑϥΠϯ ϨϯμϦϯά࣌

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ίετ͕ϋʔυ΢ΣΞʹΑͬͯେ͖͘ҟͳΔ όϦΞͷίετ͕ߴ͍ϋʔυ΢ΣΞͰ΋ ੑೳ͕ग़ΔΑ͏ʹ ࠷খͷόϦΞͰࡁΉΑ͏৺͕͚Δඞཁ͕͋Δ όϦΞ ͦͷ࣮ࠩʹഒ ಉ ࣌ؒ 4.$6 ظ

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%JSFDU9Ͱ͸ ϝϞϦΛͲͷΑ͏ʹ࢖͏͔Λ൑அ͢Δͷ͸υϥΠό Ϣʔβ͸ϦιʔεΛ࡞Γ͍ͨ࣌ ࡞Γ͍ͨ਺͚ͩυϥΠόʹཁٻ͢Ε͹Α͔ͬͨ ϦιʔεΛ࡞੒ υϥΠό (16 ϦιʔεΛ࡞੒ ϦιʔεΛ࡞੒ ϝϞϦϒϩοΫΛ֬อ ϝϞϦ؅ཧ

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υϥΠό %JSFDU9Ͱ͸ ϝϞϦΛͲͷΑ͏ʹ࢖͏͔Λ൑அ͢Δͷ͸Ϣʔβ Ϧιʔε͝ͱʹ ΞϥΠϯ͞ΕͨϝϞϦϒϩοΫΛ֬อ͢Δͱ ͋ͬͱ͍͏ؒʹϝϞϦΛ࢖͍੾Δ ϝϞϦϒϩοΫΛ֬อ ϝϞϦϒϩοΫΛ֬อ ϝϞϦϒϩοΫΛ֬อ ϝϞϦ؅ཧ ͭ·Γ͜Ε͸TCSLͰ NBMMPD͸ࣗ෼Ͱ࡞Εͱݴ͍ͬͯΔ (16

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(16 (16ϝϞϦʹϦιʔε͕৐Γ੾Βͳ͍࣌ ԿΛεϫοϓΞ΢τͤ͞Δ͔ΛܾΊΔͷ΋Ϣʔβ .BLF3FTJEFOU &WJDU ࠓඞཁͳϦιʔεΛ(16ϝϞϦʹ໭͢ ͙͢ʹඞཁͳ͍ϦιʔεΛγεςϜϝϞϦʹಀ͕͢ ϝϞϦ؅ཧ ͨͩ͠&WJDU͸ϦιʔεΛ γεςϜϝϞϦʹಀ͕͢ࣄΛڐՄ͢Δ͚ͩͰ ௚ͪʹγεςϜϝϞϦʹҠಈͤ͞ΔΘ͚Ͱ͸ͳ͍ γεςϜ ϝϞϦ

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ίϚϯυϦετ $PNNBOE-JTU͸ͨ͘͞Μ࡞ΕΔ $PNNBOE"MMPDBUPS͸ͨ͘͞Μ࡞ͬͯ͸͍͚ͳ͍ εϨουʹ͖ͭݸͷ$PNNBOE"MMPDBUPSΛ࡞ͬͯ ෳ਺ͷ$PNNBOE-JTUͰ࢖͍·Θͦ͏

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σΟεΫϦϓλώʔϓ %JSFDU9Ͱ͸ σΟεΫϦϓλώʔϓ͸ෳ਺࡞ΕΔࣄʹͳ͍ͬͯΔ ϋʔυ΢ΣΞʹ͸ σΟεΫϦϓλώʔϓ͸͔ͭ͠ͳ͍ ҟͳΔσΟεΫϦϓλώʔϓΛ࢖͏λεΫ͸ ಉ࣌ʹ࣮ߦͰ͖ͳ͍ /7*%*"΋".%΋σΟεΫϦϓλώʔϓ͸ શͯͷίϚϯυΩϡʔͰͭʹ͢ΔࣄΛਪ঑͍ͯ͠Δ

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ϚϧνίΞϨϯμϦϯά ෳ਺ͷεϨουͰίϚϯυϦετΛ࡞ͬͯ ίϚϯυΩϡʔʹੵΉ͜ͱ͕Ͱ͖Δ ͕ ࠓ೔ͷϨϯμϦϯάͰॏཁͳͷ͸ ՄೳͳݶΓίϚϯυΛ·ͱΊͯ $16ͷ࢓ࣄΛݮΒ͢ࣄͰ͋Δ఺Λ๨Εͯ͸͍͚ͳ͍ ίϚϯυϦετͷ࡞੒͕ෳ਺ͷεϨουͰͰ͖ͯ΋ ͦͷҝʹόον͕ࡉ੾ΕʹͳΔͱ ݁Ռͱͯ͠ύϑΥʔϚϯεͷ௿ԼΛট͘ࣄ͕͋Δ

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"TZODDPNQVUF ".%ͷݹ͍ϋʔυ΢ΣΞͰ ࣮ߦͨ࣌͠ͷಈ͖͕ո͍͠ ௿ίετͳϑΣϯε͕ͳ͍ ࢖͍ॴ͸ͨ͘͞Μ͋Γͦ͏͕ͩ

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4-Jͱ͔$SPTT'JSFͱ͔ݺ͹Ε͍ͯͨ ෳ਺ͷ(16ͰϨϯμϦϯά͢Δख๏͕ ϕϯμඇґଘͰͰ͖ΔΑ͏ʹͳͬͨ .VMUJ(16 ֤(16ʹผʑͷॲཧΛͤ͞Δ͜ͱ΋ ग़དྷΔࣄʹͳͬͯΔ͚Ͳ೉͗ͯ͢͠ఘΊͨ

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ϚΠΫϩιϑτ͸%JSFDU9Λਪ͍ͨ͠ (16԰΋%JSFDU9Λਪ͍ͨ͠ ։ൃऀ΋%JSFDU9Λਪ͍ͨ͠ Ϣʔβ͸%JSFDU9ͷόʔδϣϯͱ͔Ͳ͏Ͱ΋͍͍ ϢʔβʹΘ͔Δར఺Λࣔ͢ඞཁ͕͋Δ ࢢ৔ʹग़্͢Ͱͷ՝୊ ͔͠͠%JSFDU9͕ҖྗΛൃش͢Δͷ͸ ͍͔ͭ͘ͷ৚͕݅ἧͬͨ৔߹ʹݶΒΕΔ

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ͦ͏Ͱ͸ͳ͍ ஫ҙਂ͘ઃܭ͞ΕͨΞϓϦέʔγϣϯ͸ ͔֬ʹ%JSFDU9ΑΓߴ͍ੑೳΛൃشͨ͠ %JSFDU9Ͱ͸Ͳ͏ʹ΋ͳΒͳ͍ $16ϘτϧωοΫΛճආͰ͖Δ "TZOD$PNQVUF͕࢖͑Δ ͨͩɺ࢖͍͜ͳ͢ͷ͕೉͍͠ ͡Ό͋%JSFDU9͸μϝͳͷ͔͍

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Advanced Graphics Tech: Moving to DirectX 12: Lessons Learned ͜ͷηογϣϯͷൃදऀ Tiago Rodrigues (Ubisoft Montreal) GDC VaultͷURL http://www.gdcvault.com/play/1024386/Advanced-Graphics- Tech-Moving-to

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"OWJM/FYU "TTBTTJOT$SFFEγϦʔζͰ࢖ΘΕ͍ͯΔ ಺੡ͷඳըΤϯδϯ ैདྷͷϥϯλΠϜΛલఏʹ࡞ΒΕͨ "OWJM/FYUΛ%JSFDU9ʹରԠͤ͞Δ ϝδϟʔόʔδϣϯΞοϓΛߦ͏ࣄʹͳͬͨ

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࠷ॳʹߦͬͨࣄ ୯७ͳஔ͖׵͑ʹΑΔҠ২ ݁Ռ͸༧૝௨Γ$16(16ڞʹੑೳ͕མͪͨ ಛʹ(16ଆͷॲཧʹཁ͢Δ͕࣌ؒ %JSFDU9ͱൺֱͯ͠໿ഒʹͳͬͨ ͜ͷҠ২͔ΒಘΒΕΔ৘ใ %JSFDU9Λ࢖ͬͨଞͷνʔϜ͔Βͷ৘ใ %JSFDU9ʹؔ͢ΔηογϣϯͰฉ͍ͯདྷͨ࿩ Λ΋ͱʹੑೳΛऔΓ໭͢

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%JSFDU9͔ͦΕҎલ͔Ͱ ߴϨΠϠʔͷίʔυΛ෼͚ͨ͘ͳ͍ Ϧιʔε Ϧιʔε Ϧιʔε ύε ύε ύε ύε Ϧιʔε ࠓ·Ͱ௨ΓඞཁͳύεͱϦιʔεΛྻڍͨ͠Β (16Ͱޮ཰ྑ͘૸ΔίϚϯυϦετ͕ग़དྷͯ΄͍͠ 1SPEVDFS4ZTUFN

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શͯͷϨϯμϦϯάύε͕ શͯͷϦιʔεΛඞཁͱ͍ͯ͠ΔΘ͚Ͱ͸ͳ͍ Ϧιʔε Ϧιʔε Ϧιʔε ύε ύε ύε ύε Ϧιʔε ݸʑͷύεʹԿΛಡΈॻ͖͢Δ͔Λ ໌ࣔతʹࢦఆͯ͠΋Β͏

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શͯͷϨϯμϦϯάύε͕ શͯͷϦιʔεΛඞཁͱ͍ͯ͠ΔΘ͚Ͱ͸ͳ͍ Ϧιʔε Ϧιʔε Ϧιʔε ύε ύε ύε ύε Ϧιʔε ύεͷೖग़ྗΛ΋ͱʹ Ϧιʔεʹཁٻ͞ΕΔੜଘظؒΛظؒΛٻΊΔ

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ಉ࣌ʹ࢖ΘΕΔࣄ͕ͳ͍ෳ਺ͷϦιʔε͸ ಉ͡ϝϞϦʹ഑ஔͯ͠΋໰୊ͳ͍ Ϧιʔε Ϧιʔε Ϧιʔε ύε ύε ύε ύε Ϧιʔε ϦιʔεͱϦιʔεͱϦιʔε͸ ੜଘظ͕ؒॏͳ͍ͬͯͳ͍ͨΊ ಉ͡ϝϞϦΛ࢖͍ճ͢ࣄ͕ग़དྷΔ ෳ਺ͷϦιʔε͸ಉ͡ΞυϨεʹͳΔͨΊ ࣝผࢠΛΤϯδϯଆͰৼͬͯ۠ผ͢Δ

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$PNQVUF (SBQIJDT ҟͳΔΩϡʔͱͷؒͰσʔλΛड͚Θͨ͢ʹ͸ ಉظΛߦ͏ඞཁ͕͋Δ Ϧιʔε Ϧιʔε ύε ύε ύεͷೖग़ྗͷґଘؔ܎Λ΋ͱʹ ඞཁͳՕॴʹࣗಈͰಉظΛڬΉ ύε ϑ Σ ϯ ε ଴ ػ ϑ Σ ϯ ε ଴ ػ

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$PNQVUF (SBQIJDT ҟͳΔΩϡʔͱͷؒͰσʔλΛड͚Θͨ͢ʹ͸ ಉظΛߦ͏ඞཁ͕͋Δ Ϧιʔε Ϧιʔε ύε ύε ࣗಈͰڬ·ΔಉظͰ͸ྑ͍ϖΞϦϯάʹͳΔͱ͸ݶΒͳ͍ ύε ύε ϑ Σ ϯ ε ଴ ػ ϑ Σ ϯ ε ଴ ػ Ϣʔβ͕ಉظλΠϛϯάΛ໌ࣔͰ͖ΔΑ͏ʹͨ͠ ͜Ε͕͋Δ৔߹ॏෳ͢Δࣗಈಉظ͸࡟আ͞ΕΔ

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ෆඞཁͳόϦΞͷճආ ࣌ؒ 4.$6 ύε ύε ύε ύε Ϧιʔε ॻ͘લʹಡΜͰ͠·ͬͨ %JSFDU9͸ಛʹԿ΋ཁٻ͞Εͳ͍ͱ લͷύεͷ׬ྃΛ଴ͨͣʹ ࣍ͷύεΛ࣮ߦͯ͠͠·͏ όϦΞͰ ϦιʔεͷಡΈॻ͖ॱংΛอূ Ͱ΋όϦΞ଴ػ͸ ϋʔυ΢ΣΞʹΑͬͯ͸ੌ͘஗͍

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ෆඞཁͳόϦΞͷճආ ύε ύε Ϧιʔε ύε Ϧιʔε ୯७ʹϦιʔε͝ͱʹόϦΞΛுΔͱ ՕॴͰόϦΞΛ଴ͨͳ͚Ε͹ͳΒ͍͕ ό Ϧ Ξ ଴ ػ ό Ϧ Ξ ଴ ػ

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ෆඞཁͳόϦΞͷճආ ύε ύε Ϧιʔε ύε Ϧιʔε 3FTPVSDF#BSSJFS͸Ұ౓ʹෳ਺ͷόϦΞΛ଴ͯΔ όϦΞ଴ػͷίετ͸ߴ͍͔΋͠Εͳ͍ͷͰ Ϧιʔεೖग़ྗ͔Β·ͱΊΒΕΔόϦΞΛݟ͚ͭͯ όϦΞ଴ػͷճ਺Λ཈͑Δ ό Ϧ Ξ ଴ ػ

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%JSFDU9͔ͦΕҎલ͔Ͱ γΣʔμͷύϥϝʔλͷ౉͠ํΛม͑ͨ͘ͳ͍ %JSFDU9Ͱ͸3PPU4JHOBUVSFʹ ·ͱΊͯύϥϝʔλΛ౉͢ඞཁ͕͋Δ %JSFDU9Ͱ͸ύϥϝʔλΛ ͭͮͭηοτ͢Δඞཁ͕͋Δ Ͱ͖Ε͹)-4-΋྆ํͰ࢖͑ΔΑ͏ʹ͍ͨ͠

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Shader Input Group Include Test2; ShaderInputGroup Test { static const uint testValue = 3; float4 value; Texture2D tex0; RWTexture2D uav0; SamplerState sampler; SamplerState dynamicSampler; Test2 subType; } ͜Μͳ%4-͔Β$ͱ)-4-ͷίʔυΛੜ੒͢Δ %JSFDU9ͳΒ 3PPU4JHOBUVSFͷ࡞੒ͱ੾Γସ͑ͷҝͷίʔυ %JSFDU9ͳΒ ద౰ͳεϩοτΛબΜͰ஋Ληοτ͢Δίʔυ ఆ਺ Ϧιʔε αϯϓϥ ଞͷ৔ॴͰఆٛ͞ΕͨSIGΛ಺แͰ͖Δ

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Shader Input Group #include “sig/test.h” void GfxTestProducer::CompileParams(GfxDevice& device) { sig::Test test; test.SetValue(ubiVector4(1.0f,2.0f,3.0f,4.0f)); test.SetTex0(testTexture); test.SetUav0(testUAV); m_CompiledTestParams = test.Compile(device); // … cmdList.SetShaderInputGroup(m_CompiledPassParas); } ੜ੒͞ΕͨΫϥεͷΠϯελϯεʹରͯ͠ ஋Ληοτ 3PPU4JHOBUVSFΛ࡞੒ %JSFDU9ͩͬͨΒԿ΋͠ͳ͍ 4FU(SBQIJDT3PPU4JHOBUVSF %JSFDU9ͩͬͨΒ͜͜Ͱ஋ͷηοτͱϦιʔεͷόΠϯυ "1*͕ҧͬͯ΋ಉ͡Α͏ʹ஋ΛηοτͰ͖Δ

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Shader Input Group #include “sig/test.hlsl” void main() { uint2 index = (uint2)g_Test.GetValue().xy; float4 value = testFunc(index, testFunc.GetSubType); g_Test.GetUav0()[index] = value; } float4 testFunc(in int2 index, in Test2 test2) { return test2.GetTex0()[index]; } "1*͕ҧͬͯ΋ಉ͡Α͏ʹ஋ʹΞΫηεͰ͖Δ

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Pipeline State Object "OWJM/FYUͰ͸ ϚςϦΞϧάϥϑͷܨ͗ํ࣍ୈͰ ແ਺ͷύΠϓϥΠϯεςʔτ͕ ग़དྷΔՄೳੑ͕͋ͬͨ %JSFDU9ͷ140ͷϞσϧʹ߹ΘͤΔʹ͸ ήʔϜ಺Ͱ࢖ΘΕΔ ύΠϓϥΠϯεςʔτͷ਺ΛߜΔඞཁ͕͋ͬͨ ࣮ࡍͷήʔϜதͰ࢖ΘΕ͍ͯΔ਺͸ ͦΕ΄Ͳଟ͘ͳ͔ͬͨҝ σβΠφʹΑ͘࢖͏ϓϦηοτεςʔτ͔Β ࢖͏΋ͷΛબͿํࣜʹม͑ͯ΋Βͬͨ

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݁Ռ ͜ΕΒͷ޻෉ʹΑΓ%JSFDU9ͱ%JSFDU9Ͱ ߴϨΠϠʔͷίʔυ͸ޓ׵Λอͬͨ· %JSFDU9Ͱ͸ΑΓߴ͍ੑೳΛൃشͰ͖Δ ඳըΤϯδϯ͕ग़དྷ্͕ͬͨ (16%JSFDU9ͱൺ΂ͯఔੑೳ޲্ $16%JSFDU9ͱൺ΂͔ͯΒఔੑೳ޲্

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DirectX11ͭΑ͍! %JSFDU9Λ࢖ͬͯύϑΥʔϚϯε޲্ ͱ͍͏఺͚ͩʹண໨͢Δͱׂʹ߹Θͳ͍ "TZOD$PNQVUF͕࢖͑ΔΑ͏ʹͳΔ Ոఉ༻ήʔϜػʹҠ২͠΍͘͢ͳΔ 7VMLBO౳ʹ΋ରԠ͠΍͘͢ͳΔ ౳΋ߟྀʹೖΕΔͱແବͳ౒ྗͰ͸ͳ͍ (16%JSFDU9ͱൺ΂ͯఔੑೳ޲্ $16%JSFDU9ͱൺ΂͔ͯΒఔੑೳ޲্

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Async Compute: Deep Dive ͜ͷηογϣϯͷൃදऀ Alex Dunn(NVIDIA), Stephan Hodes(AMD) GDC VaultͷURL http://www.gdcvault.com/play/1024385/Advanced-Graphics- Tech-Async-Compute

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ݹయతͳάϥϑΟοΫϥϯλΠϜ λεΫ λεΫ λεΫ λεΫ λεΫ ࣌ؒ 4.$6 ۙ୅తͳάϥϑΟοΫϥϯλΠϜ ࣌ؒ 4.$6 λεΫ λεΫ λεΫ λεΫ λεΫ 8PSL1BJSJOH

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ಉ࣌ʹ࣮ߦ͞ΕΔλεΫಉ࢜Ͱ ܭࢉࢿݯΛୣ͍߹͏΂͖Ͱ͸ͳ͍ (16 4IBEPX3FOEFSJOH σόΠε ϝϞϦ -JHIU$VMMJOH ܭࢉ͕ଟ͍ ॻ͖ࠐΈ͕ଟ͍ ύϑΥʔϚϯεͷ޲্͕ظ଴Ͱ͖Δ Work Pairing

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ಉ࣌ʹ࣮ߦ͞ΕΔλεΫಉ࢜Ͱ ܭࢉࢿݯΛୣ͍߹͏΂͖Ͱ͸ͳ͍ (16 (#V⒎FS σόΠε ϝϞϦ 44"0 ॻ͖ࠐΈ͕ଟ͍ ॻ͖ࠐΈ͕ଟ͍ ύϑΥʔϚϯεͷ޲্͕ظ଴Ͱ͖ͳ͍ Work Pairing ϝϞϦଳҬ͕ෆ଍͢Δ

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AMD GPUݻ༗ͷ஫ҙ఺ 4ͭͷSIMDϓϩηοαʹରͯ͠1ͭͷΩϟογϡ 1ͭͷSIMDϓϩηοα͸࠷େ10ݸͷWavefrontΛ࣮ߦ WavefrontΛෳ਺࣮ߦ͢Δ͜ͱͰ ϝϞϦಡΈॻ͖ͷϨΠςϯγΛӅṭ $PNQVUF6OJU 4*.% 4*.% 4*.% 4*.% -Ωϟογϡ 8BWFGSPOU 8BWFGSPOU 8BWFGSPOU ʜ

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WavefrontΛ૿΍͗͢͠Δͱ Wavefront੾Γସ͑࣌ʹ ඞཁͳσʔλ͕L1Ωϟογϡ͔ΒམͪΔ $PNQVUF6OJU 4*.% 4*.% 4*.% 4*.% -Ωϟογϡ 8BWFGSPOU 8BWFGSPOU 8BWFGSPOU ʜ AMD GPUݻ༗ͷ஫ҙ఺

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࢖ΘΕͳ͍ ࣌ؒ 4. άϥϑΟοΫ ܭࢉ Maxwell·Ͱ ࣌ؒ 4. άϥϑΟοΫ NVIDIA GPUݻ༗ͷ஫ҙ఺ ܭࢉ Pascall͔Β

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NVIDIA GPUݻ༗ͷ஫ҙ఺ (16 σΟεΫϦϓλ ώʔϓ σΟεΫϦϓλ ώʔϓ σΟεΫϦϓλ ώʔϓ σΟεΫϦϓλ ώʔϓ GPU্ͷ σΟεΫϦϓλώʔϓ͸1ͭ ೖΕସ͑ʹ͸ લͷλεΫͷ׬ྃΛ଴ͭඞཁ͕͋Δ API্͸زͭͰ΋࡞ΕΔ

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NVIDIA GPUݻ༗ͷ஫ҙ఺ (16 σΟεΫϦϓλ ϓʔϧ σΟεΫϦϓλ ώʔϓ σΟεΫϦϓλ ώʔϓ σΟεΫϦϓλ ώʔϓ υϥΠό͸σΟεΫϦϓλώʔϓΛ ଋͶΔ͜ͱͰ੾Γସ͑Λճආ͢Δ

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σΟεΫϦϓλ ϓʔϧ ࡞੒ͨ͠σΟεΫϦϓλώʔϓͷαΠζ͕ GPU্ʹ༻ҙ͞ΕͨαΠζΛ௒͑Δͱ ಥવύϑΥʔϚϯε͕௿Լ͢Δ σΟεΫϦϓλ ώʔϓ (16্ͷ σΟεΫϦϓλώʔϓʹ ৐Γ੾Βͳ͍ ೖΕସ͑Δ͔͠ͳ͍ ώʔϓ σΟεΫϦϓλ ώʔϓ

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ಉظ Fire-and-Forget λεΫ ಉ ࣌ؒ 4.$6 λεΫ λεΫ ϖΞϦϯά͍ͨ͠λεΫͷ։࢝ͷΈಉظΛߦ͏ ظ ར఺: ίετ͕͔͔ΔಉظΛ1ճͰࡁ·ͤΒΕΔ

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ಉظ Fire-and-Forget ࣌ؒ 4.$6 λεΫ λεΫ2͸λεΫ1ͱ্ख͘ϖΞϦϯάग़དྷΔ λεΫ2ͱλεΫ3͸্ख͘ϖΞϦϯάग़དྷͳ͍ λεΫ1ͷ࣮ߦ࣌ؒ͸େ͖͘มಈ͢Δ λεΫ λεΫ ಉ ظ

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ಉظ Fire-and-Forget λεΫ ࣌ؒ 4.$6 λεΫ λεΫ λεΫ1ͷ࣮ߦ࣌ؒʹΑͬͯ λεΫ2ͱλεΫ3͕ ҙਤͤͣಉ࣌ʹ࣮ߦ͞Εͯ͠·͏ ಉ ظ

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ಉظ Fire-and-Forget ࣌ؒ 4.$6 λεΫ λεΫ1ͷ࣮ߦ͕࣌ؒظ଴௨ΓͰ΋ CPUଆ͕๩ͯ͘͠λεΫ2ͷ౤ೖ͕஗ΕΔͱ ಉ͡໰୊͕ى͜Δ ಉ ظ λεΫ λεΫ ஗Ԇ ܽ఺: ϖΞϦϯά͕ෆ֬ఆ

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ಉظ Handshake ࣌ؒ 4.$6 λεΫ ಉ ظ λεΫ λεΫ ಉ ظ ϖΞϦϯά͍ͨ͠λεΫͷ ։࢝ͱऴྃͷ྆ํͰಉظΛߦ͏ ར఺: ϖΞϦϯά͕׬શʹ༧ଌՄೳ

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ಉظ Handshake ࣌ؒ 4.$6 λεΫ ಉ ظ λεΫ λεΫ ಉ ظ ܽ఺: ͍͘Β͔ͷඇಉظ࣮ߦͷػձͷ૕ࣦ جຊతʹ͸Handshake͕ਪ঑͞ΕΔ͕ Fire-and-ForgetͰಉظͷ࡟ݮΛૂ͑Δ৔߹΋͋Δ 2छྨͷಉظͷ࢖͍෼͚͕ඞཁ

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ඇಉظ੫ CPU λεΫͷεέδϡʔϦϯά΍ ಉظɺ௥ՃͷࡍʹCPUଆͰඞཁʹͳΔॲཧ GPU ద੾ͳϖΞϦϯάͷҝͷಉظͷ௥Ճ ඇಉظΛ্ख͘ѻ͑ͳ͍ز͔ͭͷΞʔΩςΫνϟ౳ ඇಉظ੫͕ߴ࣮ͭ͘͘૷Λߦ͏ͱ ඇಉظʹΑΔύϑΥʔϚϯεͷ޲্Λ ଧͪফͯ͠͠·͏ࣄ͕͋Δ

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Conservative Rasterization and Raster Ordered View ͜ͷηογϣϯͷൃදऀ Rahul Sathe(NVIDIA), Evgeny Makarov(NVIDIA) GDC VaultͷURL http://www.gdcvault.com/play/1024385/Advanced-Graphics- Tech-Async-Compute

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ΤΠϦΞε ϐΫηϧͷத৺͕ ϓϦϛςΟϒͷ಺ଆʹ͋ͬͨΒ ͜ͷҐஔͰϐΫηϧγΣʔμΛ࣮ߦ

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ΤΠϦΞε

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Supersampling Anti-Aliasg

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Supersampling Anti-Aliasg

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Temporal Anti-Aliasg t=0

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Temporal Anti-Aliasg t=1

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Temporal Anti-Aliasg t=3

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Temporal Anti-Aliasg

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Conservative Rasterization গ͠Ͱ΋ϐΫηϧͷதʹؚ·Ε͍ͯͨΒ ϐΫηϧγΣʔμͷର৅ʹ͢Δ

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Pull model interpolation ࠓ·Ͱ ͜Ε͔Β ϐΫηϧγΣʔμ͔Βࢦఆͨ͠Ґஔʹ͓͚Δ ௖఺ଐੑͷิؒ݁ՌΛಘΔ

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Temporal Anti-Aliasing δΦϝτϦγΣʔμ ϥελϥΠβ ϐΫηϧγΣʔμ ͜͜Ͱ௖఺ʹลͷํఔࣜͷ܎਺Λॻ͍͓ͯ͘ Conservative Rasterization ϐΫηϧ಺ͷϥϯμϜͳҐஔͰ ลͷํఔࣜΛධՁ ಺ଆͳΒPull model interpolation αϯϓϦϯά఺Λ ϑϨʔϜຖʹ΋ͧ΋ͧͤ͞Δ

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Conservative Rasterizationͷམͱ݀͠ $MJQQFS ϓϦϛςΟϒ͕Viewportͷ֎ʹ͸Έग़͍ͯ͠Δ৔߹ ϋʔυ΢ΣΞ͸ࣗಈతʹϓϦϛςΟϒΛ෼ׂ͢Δ ͔͜͜Βը໘֎ ͜͜Ͱ෼ׂ

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Conservative Rasterizationͷམͱ݀͠ $MJQQFS ϐΫηϧγΣʔμʹ͸ ݩͷԫ৭ͷࡾ֯ܗͷ৘ใ͕ૹΒΕͯ͘Δҝ ੺ͷϐΫηϧ͸ޡͬͯൣғ಺ͱ൑அ͞ΕΔ

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ϐΫηϧγΣʔμʹ͸ ݩͷԫ৭ͷࡾ֯ܗͷ৘ใ͕ૹΒΕͯ͘Δҝ ੺ͷϐΫηϧ͸ޡͬͯൣғ಺ͱ൑அ͞ΕΔ ෼ׂ͞Εͨଞํͷࡾ֯ܗ΋ಉ༷Ͱ͋ΔͨΊ ͍͔ͭ͘ͷϐΫηϧ͸2౓ॲཧ͞ΕΔࣄʹͳΔ ࣍ʹઆ໌͢ΔRasterizer Order ViewsΛ ࢖Θͳ͍ͱͪΒ͖ͭͷݪҼʹͳΔ

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ϐΫηϧγΣʔμ͔Β Ϩϯμʔλʔήοτͷ೚ҙͷҐஔΛ ॻ͖ࠐΉ͜ͱ͕Ͱ͖Δ Unordered Access View (UAV)

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Unordered Access View (UAV) ಉ͡ϐΫηϧʹରͯ͠ෳ਺ͷϐΫηϧγΣʔμ͕ ಉ࣌ʹಡΈॻ͖ͨ͠৔߹ ݁Ռ͸ະఆٛ ?

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Rasterizer Order Views (ROV) ϓϦϛςΟϒ͕ϥελϥΠβʹૹΒΕͨॱͰ ϐΫηϧ͕ॻ͖ࠐ·ΕΔ͜ͱ͕อূ͞ΕΔ ಉ͡ϐΫηϧΛಡΈॻ͖ͨ͠৔߹ͷ݁Ռ͕ఆ·Δ ! 1 2 3 4 5

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Temporal Super Sampling ग़ྗઌͷϐΫηϧͷҐஔʹԠͯ͡ ॏΈ෇͖ฏۉΛͱΔࣄͰ ࣮ࡍʹߴղ૾౓ͰϨϯμϦϯάΛߦΘͣʹ ߴղ૾౓ͷϨϯμϦϯά݁ՌΛಘΔ

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Multi Sample Anti-Aliasg 1ϐΫηϧ಺ͷෳ਺ͷҐஔͰਂ౓ΛαϯϓϦϯά 1ͭͰ΋ϓϦϛςΟϒͷ಺ଆͳΒ ϐΫηϧγΣʔμΛ࣮ߦ ਂ౓ ৭

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Multi Sample Anti-Aliasg ϓϦϛςΟϒͷ಺ଆͷαϯϓϦϯά఺ʹ ϐΫηϧγΣʔμͷ݁ՌΛॻ͖ࠐΈ શͯͷαϯϓϦϯά఺ͷ৭ͷ ฏۉΛͦͷϐΫηϧͷ৭ͱ͢Δ

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ಉ͡৘ใΛෳ਺ͷαϯϓϦϯά఺ʹॻ͘ͷ͸ ϝϞϦྖҬͱଳҬͷ࿘අ͔ͩΒආ͚͍ͨ ਂ౓͸αϯϓϦϯά఺ͷ਺͚ͩه࿥ ਂ౓Ҏ֎͸ϐΫηϧʹ͖ͭ1ݸ͚ͩه࿥ ෳ਺ͷϓϦϛςΟϒ͕͜ͷϐΫηϧʹ ॻ͖ࠐΉՄೳੑ͕͋Δ͔ΒROVΛ࢖͏

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ෳ਺ͷϓϦϛςΟϒ͕ಉ͡ϐΫηϧʹ ৘ใΛॻ͖ग़ͦ͏ͱ͍ͯ͠Δ ϐΫηϧͷத৺Ͱܭࢉͨ͠৭͸ ͲͪΒͷϓϦϛςΟϒͷ෺͔ ϐΫηϧͷத৺͕ ੺ͷϓϦϛςΟϒʹؚ·ΕΔͷ͔ ྘ͷϓϦϛςΟϒʹؚ·ΕΔͷ͔Λ஌ΔͨΊʹ ϐΫηϧͷத৺ʹ͓͚Δਂ౓͕ཉ͍͠

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Programmable Sample Location ϐΫηϧ಺ͰͷαϯϓϦϯά఺ͷ਺ͱҐஔΛ ࣗ༝ʹࢦఆ͢Δࣄ͕Ͱ͖Δ ͜ΕΛ࢖ͬͯαϯϓϦϯά఺ͷ͏ͪ1͕ͭ ϐΫηϧͷத৺ʹདྷΔΑ͏ʹ͢Δ த৺ͷϐΫηϧͷਂ౓Λ࢖ͬͯ

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ϐΫηϧͷத৺ͰγΣʔσΟϯάΛߦͳͬͯ ϐΫηϧͷத৺ʹ͓͚Δ৭Λܾఆ͢Δ

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ϝϞϦྖҬͱଳҬͷઅ໿ MSAAͱ஗ԆϨϯμϦϯάͷ૊Έ߹Θͤͷ࣮ݱ ਂ౓͕͍ۙ৭͕ط஌ͷαϯϓϦϯά఺Λ࢖ͬͯ ৭͕ະ஌ͷαϯϓϦϯά఺ͷ৭Λܾఆ͢Δ

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Vulkan Game development on Mobile ͜ͷηογϣϯͷൃදऀ Alen Ladavac(Croteam) GDC VaultͷURL http://www.gdcvault.com/play/1024361/Vulkan-Game- Development-on-Mobile

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Vulkanͷಛ௃ ബ͍υϥΠό ύΠϓϥΠϯεςʔτΦϒδΣΫτ ίϚϯυόοϑΝ ௚઀తͳϝϞϦͷ؅ཧ ϚϧνεϨουରԠ ཁ͢Δʹ%JSFDU9ͱಉछͷ"1*

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OpenGL͔ΒVulkan΁ͷҠ২ γΣʔμͷ։ൃʹ(-4-͕࢖͑Δ 140ͱσΟεΫϦϓλͷΩϟογϡΛ࣮૷ͯ͠ CJOEΛΤϛϡϨʔτ ϝϞϦ֬อͱϦιʔεͷసૹΛॻ͖଍͢ ಉظʹ͸όϦΞΛ࢖͏ ͜ͷΑ͏ͳػցతͳม׵Ͱ ୹ظؒͰҠ২Ͱ͖Δ

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͖ͬ͞ DirectX12Ͱੑೳ͕ग़ΔΑ͏ʹҠߦ͢Δͷ͸ ࢮ͵΄Ͳਏ͍ͱ͍͏࿩͕ͩͬͨ

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OpenGLͷੑೳ͕Ͳͷ؀ڥͰ΋҆ఆͯ͠ࠅ͍ҝ ͦΕͱൺ΂Δͱྑ͍ੑೳ͕ग़Δ ੑೳ͕ग़ΔΑ͏ʹࣗྗͰॻ͘ࣄ͕Ͱ͖Δ ಛʹGLES͔͠બ୒ࢶ͕ͳ͔ͬͨAndroidͰ͸ ͜ΜͳࡶͳҠ২Ͱ΋ େ͖ͳύϑΥʔϚϯεͷ޲্͕ظ଴Ͱ͖Δ OpenGL Vulkan΍DirectX શͯnvidiaυϥΠό 7VMLBO(BNF%FWFMPQNFOUPO .PCJMF5BMPT ϖʔδ໨ͷάϥϑ IUUQTXXXLISPOPTPSH EFWFMPQFSTMJCSBSZHED

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໰୊఺ DirectX11΍GLESͱൺ΂Δͱ υϥΠόʹόά͕ଟ͍ AndroidͰ͸PCΑΓυϥΠόͷ ߋ৽͕೉͘͠ߋ৽ͷఏڙ΋஗͍ࣄ͕ ͜ͷ໰୊ΛΑΓ໽հʹ͍ͯ͠Δ

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໰୊఺ Validation Layers͕࣌ʑ ਖ਼͍͠ͱ͜ΖͰจ۟Λݴ͖ͬͯͨΓ ਖ਼͘͠ͳ͍ͱ͜ΖͰԿ΋ݴΘͳ͔ͬͨΓ͢Δ ͦΕͰ΋Կ΋νΣοΫ͠ͳ͍ΑΓ͸ ͣͬͱϚγ͔ͩΒValidation LayersΛ࢖͓͏

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Vulkan͸ා͘ͳ͍ AndroidͰ͸طʹGLESͱൺֱͯ͠ ΑΓศརͰੑೳͷྑ͍APIʹͳΓͭͭ͋Δ “ͨͩ”υϥΠόͷमਖ਼͕ඞཁͳ͚ͩͩ

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ͲΜͳ࣌VulkanΛࢼ͢΂͖͔ Ͱ͖Δ͚ͩύϑΥʔϚϯε͕ඞཁͰ ϘτϧωοΫ͕CPUͰ ࣮૷͕΋ͬͱෳࡶʹͳͬͯ΋େৎ෉ͳ࣌

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Vulkan Multipass mobile deferred done right ͜ͷηογϣϯͷൃදऀ Hans-Kristian Arntzen(ARM) GDC VaultͷURL http://www.gdcvault.com/play/1024361/Vulkan-Game- Development-on-Mobile

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஗ԆϨϯμϦϯά ύε໨ ϨϯμʔόοϑΝʹ ܗঢ়ʹؔ͢Δ৘ใΛॻ͘ ύε໨ ύε໨ͷ݁ՌΛ࢖ͬͯ γΣʔσΟϯά͢Δ (όοϑΝ

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λΠϧϕʔεΞʔΩςΫνϟ ͭͷλΠϧΛܭࢉ͢ΔؒͷҰ࣌తͳ஋ͷಡΈॻ͖͸ (16ʹ಺ଂ͞Εͨ43".্Ͱߦ͏ άϩʔόϧϝϞϦ΁ͷΞΫηε͕཈͑ΒΕΔͨΊ ௿଎ͳόεʹͭͳ͕ͬͨϝΠϯϝϞϦΛ73".ͱͯ͠࢖͏ ϞόΠϧ(16ͰΑ͘༻͍ΒΕΔ ϑϨʔϜόοϑΝΛ λΠϧʹ෼ׂͯ͠ϨϯμϦϯάΛߦ͏

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λΠϧϕʔεͱ ஗ԆϨϯμϦϯάͷ૬ੑ͕ѱ͍ (όοϑΝશମ͕ ௿଎ͳϝϞϦʹॻ͖ࠐ·ΕΔ ͙͢ʹ(όοϑΝશମ͕ ௿଎ͳϝϞϦ͔ΒಡΈࠐ·ΕΔ (όοϑΝ OpenGL ESͰ͸ఘΊΔ͔͠ͳ͔ͬͨ

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VulkanͰ͸ෳ਺ͷύεΛଋͶΔ͜ͱ͕Ͱ͖Δ (όοϑΝ ϥΠςΟϯά ϙετϓϩηε $16 %SBX %SBX %SBX OpenGL (όοϑΝ ϥΠςΟϯά ϙετϓϩηε $16 %SBX Vulkan

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(όοϑΝ ϥΠςΟϯά ϙετϓϩηε $16 %SBX Vulkan VulkanͰ͸લͷύεͷ৘ใ͕Ͳ͜·ͰἧͬͨΒ ࣍ͷύεΛ࣮ߦͯ͠ྑ͍͔͸બ୒Ͱ͖Δ 7,@%&1&/%&/$:@#:@3&(*0/@#*5 ͜Ε͕WL$NE1JQFMJOF#BSSJFSͷ EFQFOEFODZ'MBHTʹઃఆ͞Ε͍ͯΔͱ લͷύεͷରԠ͢ΔϐΫηϧͷϨϯμϦϯά͕׬ྃͨ͠Β ࣍ͷύεΛ࣮ߦͯ͠ྑ͍͜ͱʹͳΔ

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7,@%&1&/%&/$:@#:@3&(*0/@#*5 υϥΠό͸ҎԼͷΑ͏ʹ࣮ߦͯ͠ྑ͍͜ͱΛ ஌Δ͜ͱ͕Ͱ͖Δ (όοϑΝ ϥΠςΟϯά ϙετϓϩηε λΠϧ෼ͷ(όοϑΝ͸ 43".ʹ৐ΔҝଳҬΛ࿘අ͠ͳ͍ (όοϑΝ ϥΠςΟϯά ϙετϓϩηε (όοϑΝ ϥΠςΟϯά ϙετϓϩηε ʜ ॱ൪ʹ࣮ߦ λΠϧ λΠϧ λΠϧ

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Samsung ExynosͰ 30%ͷϑϨʔϜϨʔτͷ޲্ͱ 80%ͷόϯυ΢ΣΠτͷվળ

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Cinematic Depth of Field ͜ͷηογϣϯͷൃදऀ Karl Hillesland(AMD) GDC VaultͷURL http://www.gdcvault.com/play/1024387/Advanced-Graphics- Tech-Cinematic-Depth

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ඃࣸքਂ౓ ίϯϐϡʔλάϥϑΟΫεͰ͸ Χϝϥ͸ϐϯϗʔϧΧϝϥͱ͢Δͷ͕Ұൠత͕ͩ

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ඃࣸքਂ౓ ଟ͘ͷΧϝϥͷϨϯζ͸େ͖͞Λ͓࣋ͬͯΓ ݶΒΕͨਂ౓ͷൣғʹ͔͠ϑΥʔΧε͕߹Θͳ͍ Gয఺ڑ཭ "։ޱܘ $ϫʔϧυۭؒͰͷ ࡨཚԁ DεΫϦʔϯۭؒͰͷ ࡨཚԁ

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ඃࣸքਂ౓Λදݱ͢Δ2ͭͷํ๏ Gather Scatter

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Gather ֤ϐΫηϧʹ͍ͭͯ ਂ౓஋͔ΒࡨཚԁΛٻΊͯ ͦͷൣғ಺͔ΒαϯϓϦϯάΛߦ͏ ར఺: ؆୯ʹ࣮૷Ͱ͖Δ Scatterͱൺ΂ͯॻ͖ग़͕͠গͳ͍

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Gather ͜ͷ෦෼ͷ৭Λ ܾఆ͢Δҝʹ ͜ͷลΓͷ৭͕ ඞཁ͕ͩ ϐϯϗʔϧͰ͸ खલͷ෺ମʹःΒΕͯݟ͑ͳ͍ҝ ϑϨʔϜόοϑΝʹ৘ใ͕࢒͍ͬͯͳ͍ ܽ఺: ڥք෦෼ʹΞʔςΟϑΝΫτ͕ग़Δ

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Scatter ϐΫηϧͷ৭͕ܾఆͨ࣌͠఺Ͱ ਂ౓஋͔ΒࡨཚԁΛٻΊͯ ࡨཚԁͷ಺ଆʹͳΔશͯͷϐΫηϧʹ ৭Λॻ͖ग़͢ ར఺: ϐϯϗʔϧͰϑϨʔϜόοϑΝʹඳ͘ͱ ӅΕͯ͠·͏Ґஔͷ৭Λ൓өͰ͖Δ

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Scatter ܽ఺: ୯७ʹ࣮૷͢Δͱॻ͖ग़͕͠େมͳࣄʹͳΔ ҰൠʹGatherΑΓ࣮૷͕ෳࡶʹͳΔ ೖྗ ग़ྗ

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Summed Area Table " ϑϨʔϜόοϑΝͷࠨ্͔Β ೚ҙͷ఺"·ͰͷྖҬͷ஋ͷ૯࿨Λ ఺"ʹ͓͚Δ4VNNFE"SFB5BCMFͷ஋ͱ͢Δ

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Summed Area Table " ཉ͍͠ൣғ "#$%Ͱғ·ΕۣͨܗྖҬͷ૯࿨͕ཉ͍͠৔߹ # $ % ཉ͍͠ൣғͷ૯࿨ 4"5 " 4"5 # 4"5 % 4"5 $ ೚ҙͷۣܗྖҬͷ૯࿨Λ఺ͷ஋͔ΒಘΒΕΔ

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Summed Area Table ಘΒΕΔͷ͸ۣܗྖҬͷੵ෼ (BUIFSͰͳ͍ͱ࢖͑ͳ͍ Πέͯͳ͍ Πέͯͳ͍

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͹Β·͘ൣғ Fast Filter Spreading " # $ % "#$%Ͱғ·Εͨൣғʹ஋OΛ͹Βࢃ͖͍ͨ "ͱ$ʹOΛॻ͖ࠐΜͰ#ͱ%ʹOΛॻ͖ࠐΉ ਺஋ੵ෼͢ΔͱO͕"#$%ͷൣғʹՃࢉ͞ΕΔ

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Fast Filter Spreading ͜Μͳ෩ʹ஋Λ഑ஔͯ͠֊ੵ෼͢Δͱ όʔτϨοτϑΟϧλΛ࡞ΕΔ ۣܗΑΓߴ඼࣭ͳ݁Ռ͕ಘΒΕΔ ͹Β·͘ൣғ

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Advanced Particle Simulation in Compute ͜ͷηογϣϯͷൃදऀ Richard Tonge(NVIDIA), Hammad Mazhar(NVIDIA) GDC VaultͷURL http://www.gdcvault.com/play/1024387/Advanced-Graphics- Tech-Cinematic-Depth

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ཻࢠ๏γϛϡϨʔγϣϯ ߶ମ΍஄ੑମɺ࿈ଓମΛ Ұఆͷ࣭ྔΛཻ࣋ͬͨࢠͷू·Γʹ཭ࢄԽ ஄ੑମͷԠྗ΍ྲྀମͷѹྗ౳Λ ۙ๣ཻࢠͱͷ૬ޓ࡞༻ͱͯ͠දݱ

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εΫϦʔϯۭؒڥք৚݅ GόοϑΝΛڥք৚݅ͱͯ͠ γϛϡϨʔγϣϯΛߦ͏ ར఺: GόοϑΝ͸1ϑϨʔϜຖʹੜ੒͞ΕΔҝ ಈతͳγʔϯʹ௥ै͢Δͷ͕༰қ ը໘ʹऩ·͍ͬͯͳ͍΋ͷ͕ܭࢉ͔Βআ֎͞ΕΔ

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εΫϦʔϯۭؒڥք৚݅ ਂ౓ ཻࢠͷ࠲ඪͱରԠ͢ΔҐஔͷZ஋Λൺֱ͠ ޙऀ͕खલͩͬͨΒཻࢠΛԡ͠ग़͢

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εΫϦʔϯۭؒڥք৚݅ ਂ౓ ܽ఺: ӅΕ͍ͯΔ໘ͱͷিಥΛ ਖ਼͘͠ѻ͏ࣄ͕ग़དྷͳ͍ (όοϑΝʹ͸ ͜ͷ෦෼ͷڥքͷ৘ใ͕ ࢒͍ͬͯͳ͍ҝ ཻࢠͷҠಈΛਖ਼͘͠ःΔࣄ͕ग़དྷͳ͍

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BVHʹΑΔڥք৚݅ ڥքΛߏ੒͢Δ໘ຖʹ ό΢ϯσΟϯάϘϦϡʔϜΛٻΊΔ

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BVHʹΑΔڥք৚݅ ό΢ϯσΟϯάϘϦϡʔϜΛ֊૚Խͯ͠ ཻࢠ͕িಥ͍ͯ͠ΔՄೳੑ͕͋Δ໘Λ ߴ଎ʹ୳ͤΔΑ͏ʹ͓ͯ͘͠

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BVHʹΑΔڥք৚݅ ό΢ϯσΟϯάϘϦϡʔϜΛ֊૚Խͯ͠ ཻࢠ͕িಥ͍ͯ͠ΔՄೳੑ͕͋Δ໘Λ ߴ଎ʹ୳ͤΔΑ͏ʹ͓ͯ͘͠

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BVHʹΑΔڥք৚݅ ར఺: GόοϑΝ͔ΒӅΕͯ͠·͏໘ͱͷিಥ΋ѻ͑Δ ܽ఺: BVHΛߏங͢Δඞཁ͕͋Δ ό΢ϯσΟϯάϘϦϡʔϜΛ֊૚Խͯ͠ ཻࢠ͕িಥ͍ͯ͠ΔՄೳੑ͕͋Δ໘Λ ߴ଎ʹ୳ͤΔΑ͏ʹ͓ͯ͘͠

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BVHʹΑΔڥք৚݅ ಈతͳγʔϯʹ࢖͑Δ͘Β͍ߴ଎ͳ BVHͷߏஙํ๏ͱͯ͠͸ nvidiaͷHLBVH͕ڍ͛ΒΕΔ IUUQTSFTFBSDIOWJEJBDPNQVCMJDBUJPOIMCWI IJFSBSDIJDBMMCWIDPOTUSVDUJPOSFBMUJNFSBZUSBDJOH

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BVHʹΑΔڥք৚݅ͷ஫ҙ఺ ڥք͕ෳࡶͩͱಉ͡ྖҬ͕ ෳ਺ͷό΢ϯσΟϯάϘϦϡʔϜʹ ؚ·ΕΔ͜ͱ͕͋Δ ॏෳ͢Δό΢ϯσΟϯάϘϦϡʔϜ͕͋Δ৔߹ 1ՕॴͰڥք৚݅Λຬ͍ͨͯͯ͠΋ ଞͷڥք৚݅Λຬͨ͞ͳ͍Մೳੑ͕͋Δ

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Position Based Dynamics ཅղ๏ͷཻࢠ๏γϛϡϨʔγϣϯΛ ෺ཧతʹਖ਼͘͠ͳ͍͔΋͠Εͳ͍͕ ਺஋తʹ҆ఆʹߦ͑Δख๏ ཻࢠʹ͔͔ΔྗΛٻΊΔ ཻࢠͷ଎౓Λߋ৽ ཻࢠͷҐஔΛߋ৽ িಥΛղܾͯ͠ҐஔΛमਖ਼ Ґஔʹ߹Θͤͯ଎౓Λमਖ਼ ߶ମಉ͕࢜িಥ͍ͯͨ͠Β িಥ͠ͳ͍ͱ͜Ζ·Ͱ໭͢ ྲྀମ͕ڥքΛ௒͍͑ͯͨΒ ڥք·Ͱ໭͢ ྫ ্هͷੑ࣭ͷҝ ίϯϐϡʔλάϥϑΟΫε԰ʹਓؾ

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ཻࢠʹ͔͔ΔྗΛٻΊΔʹ͸ ͋Δཻࢠͷۙ͘ʹ͋ΔཻࢠΛ 1εςοϓຖʹ୳͢ඞཁ͕͋Δ Position Based Dynamics ཅղ๏ͷཻࢠ๏γϛϡϨʔγϣϯΛ ෺ཧతʹਖ਼͘͠ͳ͍͔΋͠Εͳ͍͕ ਺஋తʹ҆ఆʹߦ͑Δख๏ ཻࢠʹ͔͔ΔྗΛٻΊΔ ཻࢠͷ଎౓Λߋ৽ ཻࢠͷҐஔΛߋ৽ িಥΛղܾͯ͠ҐஔΛमਖ਼ Ґஔʹ߹Θͤͯ଎౓Λमਖ਼

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ۙ๣୳ࡧ ܭࢉྖҬશମΛ֨ࢠঢ়ʹ۠੾ͬͯ ཻࢠ͕Ͳͷηϧʹؚ·ΕΔ͔ΛٻΊΔ ִؒrͷ֨ࢠͰݱࡏͷཻࢠΛؚΉηϧͱ ྡ઀͢ΔηϧΛௐ΂Ε͹ ൒ܘrҎ಺ʹ͋Δཻࢠ͕શͯݟ͔ͭΔ S S

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ۙ๣ཻࢠͱͷܭࢉʹؔ͢Δ2ͭͷઓུ Gather Scatter

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Gather 1ͭͷཻࢠΛ1ͭͷεϨουͰܭࢉ ར఺: ෳ਺ͷεςοϓ͔ΒͳΔܭࢉΛ؆୯ʹॻ͚Δ ܽ఺: Scatterͱൺֱͯ͠γϯϓϧͳ࣮૷ʹͳΔ ಉ͡ܭࢉΛ2ճߦ͏ࣄʹͳΔ ྲྀମ౳Ͱओʹ༻͍ΒΕΔ

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Scatter 1ͭͷ઀ଓΛ1ͭͷεϨουͰܭࢉ ར఺: ઀ଓ͞ΕཻͨࢠʹՃΘΔྗ͕ରশͳ৔߹ 1ճͷܭࢉͰ2ͭͷཻࢠʹॻ͖ࠐΈΛߦ͏ࣄ͕ग़དྷΔ ܽ఺: ݸʑͷ઀ଓͷܭࢉ݁Ռͷॻ͖ࠐΈ͕ಉ͡৔ॴʹ ରͯ͠ߦΘΕΔҝΞτϛοΫԋࢉͰͷॻ͖ࠐΈ͕ඞཁ ෍౳Ͱओʹ༻͍ΒΕΔ

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PBDʹ͓͚Δ߶ମͷѻ͍ ཻࢠͷҐஔΛߋ৽ ΊΓࠐΜͰ͍ΔཻࢠΛ ΊΓࠐΉલͷҐஔ·ͰҠಈ ཻࢠؒͷҐஔؔ܎Λ ߆ଋ৚݅ͱͯ͠ ཻࢠͷҐஔΛमਖ਼

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PBDʹ͓͚Δ෍ͷѻ͍ ཻࢠͷҐஔΛߋ৽ ΊΓࠐΜͰ͍ΔཻࢠΛ ΊΓࠐΉલͷҐஔ·ͰҠಈ ཻࢠؒͷڑ཭Λ ߆ଋ৚݅ͱͯ͠ ཻࢠͷҐஔΛमਖ਼

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PBDʹ͓͚Δྲྀମͷѻ͍ ཻࢠͷҐஔΛߋ৽ ΊΓࠐΜͰ͍ΔཻࢠΛ ΊΓࠐΉલͷҐஔ·ͰҠಈ ཻࢠؒͷີ౓Λ ߆ଋ৚݅ͱͯ͠ ཻࢠͷҐஔΛमਖ਼

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Game Physics on the GPU with PhysX 3.4 ͜ͷηογϣϯͷൃදऀ Kier Storey(NVIDIA) GDC VaultͷURL http://www.gdcvault.com/play/1024345/

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PhysX NVIDIAͷ෺ཧԋࢉSDK https://developer.nvidia.com/physx-sdk Ұ෦ͷΞϧΰϦζϜ͸GPUΛ࢖ͬͯ ߴ଎ʹܭࢉͰ͖Δ ߶ମ ஄ੑମ ྲྀମ ෍౳ͷ γϛϡϨʔγϣϯʹରԠ

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PhysXͷ߶ମύΠϓϥΠϯ #SPBE1IBTF 1BJS'JMUFSJOH /BSSPX1IBTF *TMBOE(FO 4PMWFS $$% 'FUDI3FTVMU AABBͰߥ͘িಥͦ͠͏ͳϖΞΛ୳͢ িಥͤͨ͘͞ͳ͍ϖΞΛআ֎͢Δ ࣮ࡍʹিಥ͍ͯ͠Δ͔Ͳ͏͔Λௐ΂Δ Өڹ͠߹͏߶ମΛάϧʔϓԽ͢Δ ࣍ͷεςοϓͰͷঢ়ଶΛٻΊΔ ߴ଎ͰҠಈͨ͠߶ମͱিಥͨ͠߶ମΛ୳͢ ݁ՌΛऔΓग़͢

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PhysX 3.4ͷ৽ػೳ GPU߶ମ #SPBE1IBTF 1BJS'JMUFSJOH /BSSPX1IBTF *TMBOE(FO 4PMWFS $$% 'FUDI3FTVMU PhysX 3.4Ͱ͸ ੺Ͱࣔͨ͠෦෼͕ GPUͰ࣮ߦՄೳʹͳͬͨ

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GPUͱCPUͷಛ௃ (16 $16 େ͖ͳ'-014ͱ ϝϞϦόϯυ෯ খ͞ͳ'-014ͱ ϝϞϦόϯυ෯ ݸʑͷ໋ྩͷ࣮ߦ͕଎͍ গ਺ͷϓϩηοαίΞͰ ੑೳΛग़͢ ݸʑͷ໋ྩͷ࣮ߦ͸஗͍ ਺ઍͷϓϩηοαίΞͰ ੑೳΛग़͢ ϝϞϦΞΫηεύλʔϯ࣍ୈͰ ࿐ࠎʹੑೳ͕མͪΔ ϝϞϦΞΫηεύλʔϯ͕ ੑೳʹӨڹΛ༩͑ʹ͍͘ ΞϧΰϦζϜ͸਺ઍεϨουͰ εέʔϧ͢Δඞཁ͕͋Δ γʔέϯγϟϧͰ΋ ݁ߏͳΜͱ͔ͳΔ

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GPUͰ࣮ߦ͢Δεςʔδ͕ߴ଎ʹ ࣮ߦͰ͖Δͱશମͱͯ͠Ͳͷ͘Β͍଎͘ͳΔ͔ CPU෦෼͕૬ରతʹϘτϧωοΫʹͳͬͯ 3.5ഒ͘Β͍Ͱ಄ଧͪʹͳΔ

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CPUͰ࣮ߦ͢Δεςʔδ΋վྑ 1BJS'JMUFSJOH ΛฒྻͰߦ͑ΔΑ͏ʹͳͬͨ *TMBOE(FO ͷΞϧΰϦζϜͷมߋ ϝϞϦϑοτϓϦϯτͷվળ $16ͷεςʔδͱ(16ͷεςʔδΛಉ࣌ʹ ࣮ߦͰ͖ΔΑ͏ʹύΠϓϥΠϯΛվྑ ΛฒྻͰߦ͏ͨΊͷ 'FUDI3FTVMU ৽͍͠"1*Λ௥Ճ

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GPU Narrow Phase ैདྷ͔ΒCPUͰͷ࣮૷Ͱ༻͍ΒΕ͍ͯͨ PCMʹΑΔিಥ൑ఆΛGPU্Ͱߦ͏ ͨͩ͠αϙʔτ͞Ε͍ͯΔͷ͸ ۣܗ ತ໘ ߴ͞৔ ͷ૊Έ߹Θ͔ͤΒͳΔিಥͷΈ ͦͷଞͷϓϦϛςΟϒ͕িಥͨ͠৔߹ CPUଆʹඞཁͳ৘ใΛૹͬͯ CPUͰܭࢉΛߦ͏

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Mass Splitting ߆ଋ৚݅ͷղܾʹ͸ ௨ৗΨ΢εβΠσϧ๏͕༻͍ΒΕΔ Ψ΢εβΠσϧ๏͸ ͦͷ··Ͱ͸GPUͰεέʔϧ͠ͳ͍ ϠίϏ๏Λ࢖͏ͱऩଋੑ͕ѱ͍ " # $

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Mass Splitting # $ͷ൒෼ͷ࣭ྔ " $ͷ൒෼ͷ࣭ྔ Cͷ൒෼ͷ࣭ྔͷ߶ମ͕ ಉ͡৔ॴʹ2ͭॏͳ͍ͬͯΔࣄʹͯ͠ AͱͷিಥͱBͱͷিಥΛผͷ໰୊ʹ͢Δ ൓෮ͷ֤αΠΫϧͰ શͯͷCͷ଎౓ΛCͷ଎౓ͷฏۉ஋ʹ͢Δ େ͖ͳߦྻ͕େྔͷখ͍͞ߦྻʹͳΔ GPUͰฒྻԽͰ͖Δ!

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݁Ռ ॎ͕࣠ܭࢉ࣌ؒԣ͕࣠ϑϨʔϜ ੨͕1IZT9Ͱ$16Ͱܭࢉͨ͠৔߹ ྘͕1IZT9Ͱ$16Ͱܭࢉͨ͠৔߹ ΦϨϯδ͕1IZT9͕(16Ͱܭࢉͨ͠৔߹ (BNF1IZTJDTPOUIF(16XJUI/7*%*"1IZT9 ϖʔδ໨ͷਤͱάϥϑ IUUQTEFWFMPQFSOWJEJBDPNHED

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glTF Update ͜ͷηογϣϯͷൃදऀ Neil Trevett(NVIDIA) GDC VaultͷURL http://www.gdcvault.com/play/1024346/

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glTF JSONܗࣜͷ 3࣍ݩܗঢ়ͷ ϑΥʔϚοτ ϝογϡ ௖఺ଐੑ ϚςϦΞϧ πϦʔ Ξχϝʔγϣϯ ͳͲΛؚΉ \ BDDFTTPST\ BDDFTTPS@\ CV⒎FS7JFXCV⒎FS7JFX@ CZUF0⒎TFU CZUF4USJEF DPNQPOFOU5ZQF DPVOU NBY< > NJO< > UZQF4$"-"3 ^ BDDFTTPS@\ CV⒎FS7JFXCV⒎FS7JFX@ CZUF0⒎TFU CZUF4USJEF DPNQPOFOU5ZQF

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glTF 2.0 2017೥य़ϦϦʔε༧ఆ https://github.com/KhronosGroup/glTF/tree/2.0/specification/2.0

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όΠφϦglTF͕ඪ४ʹೖͬͨ IFBEFS DPOUFOU CPEZ NBHJDόʔδϣϯDPOUFOUͷ௕͞౳ +40/ܗࣜͷHM5' δΦϝτϦΩʔϑϨʔϜεΩϯը૾γΣʔμ ʹ͍ͭͯ௚઀σʔλΛॻ͘୅ΘΓʹ CPEZͷதͷͲ͜ʹஔ͍ͯ͋Δ͔ΛࢦఆͰ͖Δ όΠφϦܗࣜͷσʔλ͕ ฒΜͰ͍ΔྖҬ ར఺: ௖఺഑ྻ౳Λখ͘͞ه࿥ͯ͠ߴ଎ʹύʔε ςΫενϟΛ௚઀glTFͷதʹอଘͰ͖Δ 1.0Ͱ͸֦ுͰͲͷ؀ڥͰ΋࢖͑Δͱ͸ݶΒͳ͔ͬͨ

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෺ཧϕʔεϨϯμϦϯάʹඞཁͳ ύϥϝʔλͷॻ͖ํ͕ఆΊΒΕͨ baseColorFactor baseColorTexture metallicFactor roughnessFactor metallicRoughnessTexture ”materials”: { ”pbrMetallicRoughness”: { … } } ͜͜ʹઃఆͰ͖Δύϥϝʔλ Ξϧϕυ Ξϧϕυ͕ ه࿥͞ΕͨςΫενϟ ൓ࣹ཰ ૈ͞ ൓ࣹ཰ͱૈ͕͞ ه࿥͞ΕͨςΫενϟ ར఺: ҟͳΔιϑτ΢ΣΞಉ࢜Ͱ ෺ཧϕʔεϨϯμϦϯάͷ৘ใΛड͚౉͠ग़དྷΔ

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WebGL 2.0 ͜ͷηογϣϯͷൃදऀ Brandon Jones (Google), Zhenyao Mo (Google), Kai Ninomiya (Google) GDC VaultͷURL http://www.gdcvault.com/play/1024346/

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WebGL HTML5ͷcanvas্Ͱ OpenGL ESϥΠΫͳAPIʹΑΔ ඳըΛՄೳʹ͢Δ JavaScriptͷAPI ࠓ೔ଟ͘ͷWebϒϥ΢β͕αϙʔτ͍ͯ͠Δ WebGL 1.0͸OpenGL ES 2.0Λ ϕʔεʹ͍ͯ͠Δ

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WebGL 2.0 ·ͩυϥϑτ͚ͩͲ Ұ෦ͷϒϥ΢βͰαϙʔτ͕࢝·͍ͬͯΔ ৽͍͠WebGL

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WebGL 2.0ͷ৽ػೳ Float Texture Immutable Texture Instanced Drawing Multiple Render Target Transform Feedback Multisampled Renderbuffers Uniform Buffers Sampler Object GLSL ES 3.00

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Immutable Texture ࡞੒ޙʹ಺༰ͷॻ͖׵͕͑Ͱ͖ͳ͍ςΫενϟ DirectX͸ςΫενϟ͕ޙ͔Βॻ͖׵͑ΒΕͳ͍ࣄ͕ อূ͞Ε͍ͯΔ৔߹ΑΓޮ཰తʹ ςΫενϟΛอ࣋͢Δ࢓૊Έ͕͋Δ WebGLΛDirectXͰ࣮૷͢Δͱ OpenGLͷϛοϓϚοϓͷࢦఆํ๏ʹରԠ͢Δҝʹ ͜ͷ࢓૊Έͷར༻ΛఘΊΔඞཁ͕͋Δ Immutable TextureͳΒ͜ͷ࢓૊Έ͕ར༻Ͱ͖Δ

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Float Texture 16bit·ͨ͸32bitͷුಈখ਺఺਺Ͱ ஋Λอ࣋͢ΔςΫενϟΛ࡞ΕΔ WebGL͸FBOʹରԠ͍ͯ͠ΔͨΊ 0.0͔Β1.0ʹऩ·Βͳ͍ϨϯμϦϯά݁ՌΛ ϑϨʔϜόοϑΝʹॻ͚ΔΑ͏ʹͳΔ

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Instanced Drawing 1ճͷdrawίʔϧͰ େྔͷϝογϡΛҟͳΔύϥϝʔλͰඳ͘ ϕδςʔγϣϯͷύϑΥʔϚϯε޲্

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Multiple Render Target gl_FragData[0] = position; gl_FragData[1] = normal; gl_FragData[2] = albedo; 1౓ͷϨϯμϦϯάύεͰ ϑϥάϝϯτγΣʔμ͔Βෳ਺ͷग़ྗઌʹ஋Λ ॻ͖ࠐΊΔΑ͏ʹͳΔ

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Multiple Render Target (όοϑΝ ϥΠςΟϯά Float TextureͱMultiple Render Target͕࢖͑Δ ·ͱ΋ͳ஗ԆϨϯμϦϯά͕ग़དྷΔ ๏ઢ ࠲ඪ ϚςϦΞϧ*%

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Transform Feedback ௖఺γΣʔμ͚ͩΛ࣮ߦͯ͠ ݁ՌΛ௖఺όοϑΝΦϒδΣΫτʹॻ͖ग़͢ ύʔςΟΫϧγεςϜͰ ཻࢠͷ࠲ඪΛߋ৽ͨ͠Γ มܗͨ͠෺ମͷܗঢ়Λ อଘ͓ͯ͘͠ͷʹ࢖͏ ௖఺γΣʔμ ϥελϥΠβ ϑϥάϝϯτ γΣʔμ VBO

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Multisampled Renderbuffers 1ϐΫηϧʹ͖ͭ ෳ਺ͷαϯϓϦϯά఺Λ ࣋ͬͨϨϯμʔόοϑΝ Multi Sample Anti-Aliasingʹ࢖͏ ॏ৺αϯϓϦϯά΋࢖͑ΔΑ͏ʹͳͬͨ

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Uniform Buffers GPUϝϞϦ΁ͷσʔλసૹ͸ ҰൠʹେྔͷσʔλΛ·ͱΊͯૹͬͨํ͕ εϧʔϓοτ͕ग़Δ for( $i = 0; $i != 100; $i++ ) { gl.uniform1f( location[ i ], value[ i ] ); } // ͭΒ͍ େྔͷUniform͸ΧλϚϦʹ͠Α͏

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Uniform Buffers var index = gl.getUniformBlockIndex(program, 'data'); gl.uniformBlockBinding(prg, index, 0); var ubo = gl.createBuffer(); gl.bindBuffer(gl.UNIFORM_BUFFER, ubo); gl.bufferData(gl.UNIFORM_BUFFER, data, gl.STATIC_DRAW); gl.bindBufferBase(gl.UNIFORM_BUFFER, 0, ubo); Uniform Buffer ObjectΛ࡞ͬͯ σʔλΛॻ͖ࠐΜͰ γΣʔμ಺ͷuniformͱରԠ͚ͮΔ

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Sampler Object αϯϓϥʔΦϒδΣΫτ ςΫενϟΦϒδΣΫτ WebGL 1.0 WebGL 2.0 ςΫενϟʹؔ͢Δ ສ෺ΛؚΉ Ͳͷσʔλ͔Β αϯϓϦϯά͢Δ͔ ͲΜͳ෩ʹ αϯϓϦϯά͢Δ͔ αϯϓϦϯάύϥϝʔλΛ ςΫενϟΦϒδΣΫτ͔Β෼཭ ςΫενϟΦϒδΣΫτ

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GLSL ES 3.0 in outΛॻ͚ΔΑ͏ʹͳͬͨ flat smooth centroidิؒͷબ୒͕Մೳʹ ௖఺γΣʔμͰςΫενϟಡΊΔΑ͏ʹͳͬͨ ඇਖ਼ํߦྻܕͷ௥Ճ ϑϥάϝϯτͷഁغΛࢦࣄͰ͖ΔΑ͏ʹͳͬͨ ͳͲͳͲ #version 300 es

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Accelerating Your VR Games with VR Works ͜ͷηογϣϯͷൃදऀ Cem Cebenoyan(NVIDIA), Edward Liu(NVIDIA) GDC VaultͷURL http://www.gdcvault.com/play/1024356/

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NVIDIA VR Works VR։ൃͷͨΊͷ ༷ʑͳػೳΛఏڙ͢ΔSDK Ϩϯζʹ߹ΘͤͨϨϯμϦϯά ย໨ʹ1ຊGPUΛׂΓ౰ͯΔVR SLi PhysXʹΑΔ෺ཧγϛϡϨʔγϣϯ OptiXΛԠ༻ͨ͠ԻڹγϛϡϨʔγϣϯ ͳͲͳͲ

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VRͷϨϯμϦϯά͸Կ͕ҧ͏͔ ϔουηοτͷಈ͖ʹ௥ैͯ͠ ߴ͍ϑϨʔϜϨʔτ͔ͭ௿͍ϨΠςϯγͰ ඳը͢Δඞཁ͕͋Δ ͜Ε͕஗ΕΔͱਲ͏ Ұൠʹ͸'14͘Β͍

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VRͷϨϯμϦϯά͸Կ͕ҧ͏͔ εςϨΦϨϯμϦϯά ࠨӈͷ໨ʹ౤Өߦྻ͚͕ͩҧ͏ ϨϯμϦϯά݁ՌΛݟͤΔඞཁ͕͋Δ

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VRͷϨϯμϦϯά͸Կ͕ҧ͏͔ ϨϯζσΟετʔγϣϯ ϨϯζऩࠩΛଧͪফͨ͢Ίʹ ϨϯμϦϯά݁ՌΛ࿪·ͤΔඞཁ͕͋Δ த৺෦͸ߴղ૾౓Ͱ पล෦͸௿ղ૾౓Ͱදࣔ͞ΕΔ

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VR SLi ࠨ ࠨ ӈ ӈ ϨΠςϯγ ී௨ͷSLi͸FPSͷ޲্ʹ͸د༩͢Δ͕ ϨΠςϯγΛԼ͛Δͱ͍͏఺Ͱ͸༗ޮͰ͸ͳ͍

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VR SLi ࠨ ࠨ ӈ ӈ ϨΠςϯγ 2ຕͷGPUʹยํͷ໨Λ୲౰ͤ͞Δ͜ͱͰ ϨΠςϯγΛ཈͑Δ

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VR SLi NVIDIA֦ுͰSLiΛߏ੒͢ΔͲͷGPUʹ λεΫΛ౤͛Δ͔Λબ୒Ͱ͖Δ ӈ໨ࠨ໨ؔ܎ͳ͘ඞཁͳύε͸྆ํͰ࣮ߦ ӈ໨ࠨ໨ݻ༗ͷύε͸ͦΕͧΕͰ࣮ߦ

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Multi Resolution Shading ϨϯζऩࠩΛଧͪফͨ͢Ίʹը૾Λ࿪·ͤΔ " # " # पล෦͸ॖখ͞ΕΔͨΊ 1ຕͷϨϯμϦϯά݁Ռ͔Β࿪Μͩը૾ΛಘΔͱ पล෦ͷଟ͘ͷϐΫηϧ͕ແବʹͳΔ (·ͨ͸த৺෦ͷղ૾౓͕଍Γͳ͘ͳΔ) #ͱൺ΂ͯ "ͷ໘ੵ͕খ͘͞ ͳ͍ͬͯΔ

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Multi Resolution Shading ۙ୅తͳάϥϑΟοΫAPIͰ͸ 1ύεͷδΦϝτϦγΣʔμͷதͰ ෳ਺ͷϏϡʔϙʔτʹ௖఺Λ౉͢͜ͱ͕Ͱ͖Δ " # " # पล෦ͱத৺෦ͷϏϡʔϙʔτΛผʹͯ͠ ҟͳΔղ૾౓ͰϨϯμϦϯά

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Lens Matched Shading " # " # ΫϦοϓۭؒͷwΛxyʹΑͬͯมԽͤ͞ΔࣄͰ ͷΑ͏ͳඇۣܗͷϏϡʔϙʔτΛಘΔ ͜ΕΛ4ຕܨ͗߹Θͤͯ पล෦ʹۙͮ͘΄Ͳղ૾౓͕Լ͕ΔΑ͏ʹ͢Δ w’=Ax+By+w

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Multi Resolution ShadingΑΓ Lens Matched Shadingͷํ͕ ΑΓద੾ͳղ૾౓ͰϨϯμϦϯά͕ग़དྷΔ͕ ϫʔϧυ࠲ඪܥͱεΫϦʔϯ࠲ඪܥͷؔ܎͕ ઢܗͰ͸ͳ͘ͳΔͨΊ εΫϦʔϯۭؒΞϧΰϦζϜʹ޻෉͕ඞཁ

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Rendering Low LOD Cars at Lightning Speed in 'Forza Motorsport 6' ͜ͷηογϣϯͷൃදऀ Gustavo Nunes(Microsoft) GDC VaultͷURL http://www.gdcvault.com/play/1023973/Rendering-Low-LOD- Cars-at

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Forza Motorsport 6ͷLoD6 ϋʔυ͸Forza Motorsports 5ͱಉ͡XBOX ONE ಉ࣌ʹ૸Δंͷ୆਺Λ16୆͔Β24୆ʹ૿΍͢ ͜ͷܾఆ͕ͳ͞Εͨͷ͸։ൃͷऴ൫Ͱ 100୆Ҏ্͔ΒͳΔंͷϞσϧΛ ࡞Γ௚͢ࣄ͸Ͱ͖ͳ͔ͬͨ Forzaʹ͸0͔Β5ͷ6ஈ֊ͷLoD͕͋ͬͨ ߋʹߴ଎ʹඳ͚Δ7ஈ֊໨Λ৽ઃ ԕ͘ͷंΛߋʹࡶʹඳ͍ͯඳըΛؒʹ߹ΘͤΔ

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Forzaʹ͸0͔Β5ͷ6ஈ֊ͷLoD͕͋ͬͨ ߋʹߴ଎ʹඳ͚Δ7ஈ֊໨Λ৽ઃ ԕ͘ͷंΛߋʹࡶʹඳ͍ͯඳըΛؒʹ߹ΘͤΔ LoD5ͰंΛ1୆ඳ͘ͷʹ300µs LoD5Ͱඳ͘ंΛ1୆ݮΒۭ͍ͯͨ͠300µsͰ 9୆ඳ͘ํ๏Λߟ͑Δ 1୆ʹ࢖͑Δ࣌ؒ͸33µs 1ճͷDrawͰंΛඳ͖͖Δඞཁ͕͋Δ

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Topology Mapping Buffer(T-buffer) 1୆ͷंΛߏ੒͢ΔશͯͷϝογϡΛશ෦݁߹ ௖఺਺ͷ߹ܭΛ1000ҎԼ·ͰݮΒ͢ ͜ͷϝογϡશମΛ෴͏ςΫενϟ࠲ඪΛ࡞Γ ରԠ͢ΔςΫηϧʹҎԼͷ৘ใΛॻ͖ࠐΉ ੺ ྘ ੨ ΞϧϑΝ ϓϦϛςΟϒͷॏ৺࠲ඪ Ϟσϧ*% ϝογϡ*% ϓϦϛςΟϒͷ ΠϯσοΫε ͜ͷςΫενϟΛݟΕ͹ ݁߹લͷϞσϧͷͲ͜Λඳ͍͍ͯΔ͔͕Θ͔Δ

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Topology Mapping Buffer(T-buffer) ݁߹ͱ௖఺ͷ࡟ݮͰͭʹͳͬͯ͠·ͬͨࡾ֯ܗ ੺͍෦෼͸ ϝογϡ༝དྷ ྘ͷ෦෼͸ ϝογϡ༝དྷ ͜ͷ෼෍Λ ςΫενϟʹඳ͘

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Material Buffer(M-buffer) ௖఺ଐੑ͕௖఺࡟ݮޙʹ࢒ͬͨ௖఺ͷ஋͚ͩͰ ิؒ͞ΕΔͷ͸·͍ͣ ௖఺ଐੑ΋ςΫενϟʹ͢Δ ͜ͷςΫενϟΛ ΋ͱͷϝογϡͷ਺ * ௖఺ଐੑͷ਺ ͚ͩ༻ҙ͢Δ

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ϨϯμϦϯάͷྲྀΕ ϞσϧΛϩʔυ 5CV⒎FSΛ࡞੒ .CV⒎FSΛ࡞੒ ௖఺ΛؒҾ͘ ௖఺γΣʔμ ϐΫηϧγΣʔμ ϩʔυ࣌ ϨϯμϦϯά࣌ ϐΫηϧγΣʔμͰ T-bufferΛݟͯͲͷM-bufferΛಡΉ΂͖͔Λܾఆ M-bufferͷ஋Λ࢖ͬͯϨϯμϦϯά

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-P% -P% dճͷ%SBX ճͷ%SBX ЖTલޙ ЖTҎԼ ݁Ռ 3FOEFSJOH-PX-0%$BSTBU-JHIUOJOH4QFFEJO'PS[B.PUPSTQPSU ෇ۙͷσϞ IUUQXXXHEDWBVMUDPNQMBZ3FOEFSJOH-PX-0%$BSTBU

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-P% -P% dճͷ%SBX ճͷ%SBX ЖTલޙ ЖTҎԼ ݁Ռ ԕ͔͘ΒݟͨΒόϨͳ͍඼࣭ 3FOEFSJOH-PX-0%$BSTBU-JHIUOJOH4QFFEJO'PS[B.PUPSTQPSU ෇ۙͷσϞ IUUQXXXHEDWBVMUDPNQMBZ3FOEFSJOH-PX-0%$BSTBU

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Texture Streaming in Titanfall 2 ͜ͷηογϣϯͷൃදऀ Chad Barb(Respawn Entertainment) GDC VaultͷURL http://www.gdcvault.com/play/1024105/Efficient-Texture- Streaming-in-Titanfall

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Texture Streaming γʔϯʹ߹Θͤͯߴղ૾౓ͳςΫενϟΛ GPUϝϞϦʹ্͛Լ͛ͯ͠ ࣮ࡍͷGPUϝϞϦҎ্ͷςΫενϟ͕ ஔ͍͔ͯ͋ͬͨͷΑ͏ʹݟ͔͚ͤΔ

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Titanfall 2ʹ͓͚ΔTexture Streaming 64KiBҎԼͷMIP͸GPUϝϞϦʹৗற ΑΓେ͖͍ςΫενϟ͸ඞཁʹԠ্ͯ͛͡Լ͛ ςΫενϟͷॏཁ౓Λࣄલʹܭࢉ ඞཁͳςΫενϟͷϦετΛຖϑϨʔϜߋ৽

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Histgram ͋ΔϚςϦΞϧͷ͋ΔMIPͷςΫενϟ͕ ݱࡏͷҐஔ͔ΒͲͷ͘Β͍ݟ͑Δ͔Λ ٻΊͨ΋ͷ ߴ த ௿ ݱࡏͷҐஔ

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ࣄલܭࢉ ಈ͔ͳ͍Ϟσϧ(Ϩϕϧ)ͷ৔߹ ϓϨΠϠʔͷ໨ઢҎ্ͷߴ͞ʹϓϩʔϒΛࢃ͘ ֤ϓϩʔϒͷҐஔ͔ΒΩϡʔϒϚοϓʹ ϨϯμϦϯάΛߦ͍ ಡ΋͏ͱͨ͠MIPΛΧ΢ϯτ͢Δ Χ΢ϯτͷଟ͍MIPΛ ͦͷҐஔͰॏཁͳMIPͱ͢Δ

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kฏۉ๏Ͱ݁Ռ͕͍ۙϓϩʔϒΛ·ͱΊͯ 16ft2ຖʹ۠੾ͬͨྖҬ಺ͷ ϓϩʔϒ͕8ݸҎԼʹͳΔΑ͏ʹ͢Δ ͜ͷϓϩʔϒΛࣄલʹϑΝΠϧʹॻ͍͓ͯ͘ ಡ΋͏ͱͨ͠MIPΛΧ΢ϯτ͢Δ Χ΢ϯτͷଟ͍MIPΛ ͦͷҐஔͰॏཁͳMIPͱ͢Δ

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ࣄલܭࢉ ಈ͘Ϟσϧ(ΩϟϥΫλ౳)ͷ৔߹ Ϟσϧͷද໘Λߏ੒͢ΔϚςϦΞϧͷׂ߹Λ ࣄલʹٻΊͯ͘

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֤ϑϨʔϜͰͷॲཧ ϓϩʔϒΛิؒͯ͠ ݱࡏͷҐஔʹ͓͚Δ੩తͳMIPͷॏཁ౓ΛಘΔ ۙ͘ʹ͍ΔΩϟϥΫλͷϚςϦΞϧͷׂ߹ͱ ͦͷΩϟϥΫλ·Ͱͷڑ཭͔Β ಈతͳMIPͷॏཁ౓ΛٻΊΔ ॏཁͱΈͳ͞Ε͍ͯΔͷʹϩʔυ͞Ε͍ͯͳ͍ MIPΛσΟεΫ͔ΒಡΈࠐΉ ϩʔυ͞Ε͍ͯΔ͚ͲॏཁͰͳ͍MIPΛࣺͯΔ

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αΠωʔδ໰୊ นͷ໛༷ͱͦͷ্ʹషΒΕͨDFACͷεςϯγϧ͸ ը໘্Ͱಉ͡໘ੵΛ઎༗͢ΔͨΊ ಉ͡༏ઌ౓ʹͳ͍ͬͯΔ͕ εςϯγϧʹ͸ΑΓߴ͍ղ૾౓͕ඞཁͰ͋Δ ςΫενϟͷ༻్ͷҧ͍͕ߟྀ͞Εͳ͍ σΧʔϧͷղ૾౓͸े෼͕ͩ εςϯγϧ͸δϟΪ͕໨ཱͭ &⒏DJFOU5FYUVSF4USFBNJOHJO5JUBOGBMM ϖʔδ໨ͷը૾ IUUQXXXHEDWBVMUDPNQMBZ&⒏DJFOU5FYUVSF4USFBNJOHJO 5JUBOGBMM

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Replicating Chaos: Vehicle Replication in 'Watch Dogs 2' ͜ͷηογϣϯͷൃදऀ Matt Delbosc(Ubisoft Toronto) GDC VaultͷURL http://www.gdcvault.com/play/1024010/Replicating-Chaos- Vehicle-Replication-in

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Watch Dogs 2ʹ͸ ϚϧνϓϨΠϠʔϞʔυ͕͋Δ ࠷େ4ਓͷpeer-to-peer େྔͷ෺ମͷঢ়ଶΛಉظ͢Δඞཁ͕͋Δ ෺ମͷϚελʔ͸ෳ਺ͷϗετʹ෼ࢄ͍ͯ͠Δ ϓϨΠϠʔ͸ंʹ৐ͬͯߴ଎ʹҠಈ͢Δ ೉

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ϓϨΠϠʔ͸ंʹ৐ͬͯߴ଎ʹҠಈ͢Δ ΠϯλʔωοτΛհͯ͠઀ଓ͞Εͨ ϗετಉ࢜ͷ௨৴ͷ஗Ԇ͸ 100ϛϦඵΦʔμʔʹͳΔ͜ͱ΋௝͘͠ͳ͍ ঢ়ଶ͕ಉظ͞Εͳ͍100ϛϦඵͷؒʹ ं͸਺ϝʔτϧ΋Ҡಈͯ͠͠·͏ ͔͠΋Watch Dogs2Ͱ͸࿏্ʹ ଞͷं͕ͨ͘͞Μ૸͍ͬͯΔ ਺ϝʔτϧ΋ͣΕ͍ͯͨΒͿ͔ͭͬͯ͠·͏!

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Projective Velocity Blending લճͷಉظ࣌఺ͷ଎౓͕ˢͩͬͨͷͰ ͦͷํ޲ʹ௚ਐ͢Δͱ༧૝ͯ͠ ंΛҠಈ͍ͤͯͨ͞Β ˔ͷ࣌఺Ͱ৽͍͠଎౓ˡΛड͚औͬͨ ࣌ؒͱͱ΋ʹˡͷঢ়ଶʹ ͍͍ۙͮͯ͘Α͏ʹ ଎౓ͱҐஔΛ؇΍͔ʹमਖ਼

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Projective Velocity Blending ී௨ͷ1SPKFDUJWF7FMPDJUZ#MFOEJOHͰ͸ ෺ମ͸ݱࡏͷ଎౓Λҡ࣋ͯ͠ Ҡಈ͢Δͱ༧૝͢Δ ΧʔϒΛۂ͕͍ͬͯΔ͚ͩͷं͕ ऄߦ͍ͯ͠ΔΑ͏ʹݟ͑Δ

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଎౓͚ͩͰͳ֯͘଎౓΋ಉظ͠Α͏ ۂ͕͍ͬͯΔࣄ͕໌Β͔ͳ࣌ʹ ௚ਐ͢Δͱ༧૝͢Δͷ͸ؒҧ͍ͬͯΔ ಉظ࣌఺ͷ֯଎౓Λҡ࣋ͯ͠ ଎౓ϕΫτϧͷ޲͖͕มԽ͢Δ΋ͷͱͯ͠ ࣍ͷಉظ఺·Ͱͷؒͷಈ͖Λ༧૝͢Δ

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֯଎౓Λ࢖ͬͨ଎౓ͷมԽͷ༧૝ͷ໰୊఺ ं͕׈͍ͬͯΔͱޡͬͨ༧૝ʹͳΔ 8BUDI%PHT͸ ΦϑϩʔυΛ׈ָͬͯ͠Ή ϥϦʔήʔϜͰ͸ͳ͍ͷͰ ͜ͷ໰୊͸ఘΊΔ͜ͱʹͨ͠

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4OBQTIPU#V⒎FS Ϛελʔ ϨϓϦΧ εφοϓγϣοτΛ͓͍֮݅͑ͯͯ ิؒʹΑͬͯͦͷؒͷಈ͖Λ࡞Δ ஗Ε ར఺ϨϓϦΧΛΑΓਖ਼֬ͳيಓͰಈ͔ͤΔ ܽ఺Ϛελʔʹରͯ͠ϨϓϦΧ͕େ͖͘஗ΕΔ

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4OBQTIPU#V⒎FS Ϛελʔ ϨϓϦΧ 5JNF0⒎TFU ࠷ॳͷεφοϓγϣοτ͕དྷͨΒগ͠଴͔ͬͯΒ ࣍ͷεφοϓγϣοτ͕དྷΔલʹ༧૝Ͱಈ͖࢝ΊΔ

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4OBQTIPU#V⒎FS Ϛελʔ ϨϓϦΧ ࠷ॳͷεφοϓγϣοτ͕དྷͨΒগ͠଴͔ͬͯΒ ࣍ͷεφοϓγϣοτ͕དྷΔલʹ༧૝Ͱಈ͖࢝ΊΔ ࣍ͷεφοϓγϣοτ͕དྷͨΒ ͔ͦ͜Β͸ิؒͰಈ͘ ༧૝ͱิؒͷόϥϯε͸࣮ࡍʹಈ͔ͯ͠Έͯ ࠷దͳ஋Λ୳Δ

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7FIJDMF$PMMJTJPOT ϚϧνϓϨΠϠʔϞʔυͰ ϚελʔͱϨϓϦΧ͕িಥ͢Δͱ ͓ޓ͍͕ҟৗʹԕ͘ʹਧͬඈͿݱ৅͕ΈΒΕΔ

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7FIJDMF$PMMJTJPOT εφοϓγϣοτ ϨϓϦΧ Ϛελʔ ࣍ͷεφοϓγϣοτͰিಥʹΑΔ଎౓ͷมԽ͕ ൓ө͞ΕΔ·ͰɺϨϓϦΧ͕ϚελʔΛԡ͠ଓ͚Δ ࣌ࠁ

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7FIJDMF$PMMJTJPOT ࣍ͷεφοϓγϣοτͰিಥʹΑΔ଎౓ͷมԽ͕ ൓ө͞ΕΔ·ͰɺϨϓϦΧ͕ϚελʔΛԡ͠ଓ͚Δ Ϛελʔͱিಥͨ͠ϨϓϦΧʹ͍ͭͯ ϩʔΧϧͰ߶ମγϛϡϨʔγϣϯΛߦ͏ িಥ͔Β͠͹Β͘ͷؒ͋Δׂ߹Ͱ γϛϡϨʔγϣϯͷ݁ՌಘΒΕͨঢ়ଶͱ εφοϓγϣοτ͔Βͷঢ়ଶͷ༧૝ΛࠞͥΔ ͜ͷׂ߹ͱ͜ͷঢ়ଶΛҡ࣋͢Δ࣌ؒ͸ ༷ʑͳিಥΛࢼͯ͠ྑ͍݁Ռ͕ಘΒΕΔ஋Λ୳͢

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িಥ༧૝ ϚελʔͱϨϓϦΧͷҐஔ͕ͣΕ͍ͯΔঢ়ଶ͔Β িಥ͕ى͜ΔͱϚελʔଆͱϨϓϦΧଆͰ ߶ମγϛϡϨʔγϣϯͷ݁Ռʹେ͖ͳ͕ࠩग़Δ ϓϨΠϠʔ ϓϨΠϠʔ ຊདྷͷҐஔ ͣΕͨϨϓϦΧ

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িಥ༧૝ /1$ं྆༻ͷ"*ΛԠ༻ͯ͠ িಥͦ͠͏ͳϚελʔͱϨϓϦΧͷϖΞΛൃݟ ! 5JNF0⒎TFUΛݮΒͯ͠ ϚελʔͱϨϓϦΧͷͣΕΛ཈͑Δ

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ະղܾͷ໰୊ εφοϓγϣοτͷঢ়ଶͱͣΕ͍͔ͯͨΒ Ҡಈ͠Α͏ͱͨ͠Βؒʹো֐෺͕͋ͬͨ ϨϓϦΧͷಈ͖ ຊདྷͷಈ͖ ͨͩͪʹͣΕΛղফ͢ΔͷΛఘΊΔ ো֐෺Λ΍ΘΒ͔͘͢Δ ਖ਼͍͠ҐஔʹॠؒҠಈͤ͞Δ ߟ͑ΒΕΔରॲํ๏ 8BUDIEPHTͰ͸ ͜ΕΛ࠾༻

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ະղܾͷ໰୊ 5JNF0⒎TFU͕ҟͳΔΦϒδΣΫτಉ࢜ͷিಥ าߦऀ͸ߴ଎ͰҠಈ͠ͳ͍ͨΊ ิؒͷΈͰಈ͍͍ͯΔ ༧ଌͱิؒΛ૊Έ߹Θͤͯಈ͍͍ͯΔ ंͱ͸5JNF0⒎TFU͕ͣΕ͍ͯΔͨΊ ຊདྷিಥ͍ͯ͠ͳ͍ंͱาߦऀ͕ িಥ͢Δࣄ͕͋Δ

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ະղܾͷ໰୊ ෆؾຯͷ୩ ײ৘త൓Ԡ ຊ෺΁ͷྨࣅ౓ ػցత ਓؒత ຊ෺Β͍͠ಈ͖Λ͢Δं͕ಥવԣ׈Γ͢Δͱ ͦͷมҐࣗମ͕খ͔ͬͨ͞ͱͯ͠΋ حົʹݟ͑Δ

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ࠓޙͷల๬ 5JNF0⒎TFUͷ௕͞΍ ෺ཧγϛϡϨʔγϣϯͱͷϒϨϯυͷׂ߹ͳͲ ਓ͕ؒࢼߦࡨޡͯ͠ྑ͍஋Λ୳͍ͯ͠Δ෦෼͕͋Δ ͜͏͍ͬͨ෦෼ʹػցֶशΛԠ༻Ͱ͖Ε͹ ։ൃͷޮ཰ΛߴΊΔࣄ͕Ͱ͖ΔͷͰ͸ͳ͍͔

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Networking Scripted Weapons and Abilities in 'Overwatch' ͜ͷηογϣϯͷൃදऀ Dan Reed(Blizzard Entertainment) GDC VaultͷURL http://www.gdcvault.com/play/1024041/Networking-Scripted- Weapons-and-Abilities

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4UBUFTDSJQU 0WFSXBUDIͰ͸ήʔϜͷߴϨΠϠʔͳڍಈΛ ϓϩάϥϚͰͳ͍ਓ͕σβΠϯ͢Δඞཁ͕͋ͬͨ Ճ͑ͯήʔϜͷػೳΛ ՄೳͳݶΓϞδϡʔϧԽ͔ͨͬͨ͠ αʔόͱΫϥΠΞϯτͰ؆୯ʹঢ়ଶΛಉظ͔ͨͬͨ͠

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4UBUFTDSJQU (6*Ͱ૊ΈཱͯՄೳͳεΫϦϓτݴޠ /FUXPSLJOH4DSJQUFE 8FBQPOTBOE"CJMJUJFTJO b0WFSXBUDI ϖʔδ໨ͷਤ IUUQXXXHEDWBVMUDPNQMBZ /FUXPSLJOH 4DSJQUFE8FBQPOTBOE "CJMJUJFT

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ϊʔυ &OUSZ ͔͜͜ΒεΫϦϓτ͕࣮ߦ͞ΕΔ͜ͱΛද͢ϊʔυ ແ৚݅ʹભҠ͢ΔઌΛͭઃఆͰ͖Δ $POEJUJPO ৚݅ࣜΛධՁ͢Δϊʔυ ࣜͷධՁ݁Ռ͕USVFͩͬͨ৔߹ͱGBMTFͩͬͨ৔߹ͷ ͭͷભҠઌΛઃఆͰ͖Δ "DUJPO ήʔϜଆʹ࣮૷͞Εͨ ԿΒ͔ͷؔ਺Λݺͼग़͢ϊʔυ ׬ྃޙʹભҠ͢ΔઌΛͭઃఆͰ͖Δ 4UBUF ήʔϜଆͰΠϕϯτ͕ى͜Δ·Ͱ ॲཧΛఀࢭ͢Δϊʔυ ظ଴͢ΔΠϕϯτͷ਺͚ͩભҠઌΛઃఆͰ͖Δ

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ม਺ *OTUBODFม਺εΫϦϓτͷ࣮ߦ୯ҐͰಠཱͨ͠஋ 0XOFSม਺*OTUBODFͷॴ༗ऀ୯ҐͰಠཱͨ͠஋ ಈతܕ෇͚Ͱ഑ྻ΋࢖͑Δ "DUJPOͷ4FU7BMVFͰ஋ΛมߋͰ͖Δ

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ϊʔυͷଐੑ஋ ϊʔυͷৼΔ෣͍ΛܾΊΔύϥϝʔλʹ͸ Ϧςϥϧ ม਺ ήʔϜଆ͔Β஋ΛҾͬுͬͯ͘Δؔ਺ ͦΕΒΛ૊Έ߹Θͤͨࣜ Λઃఆ͢Δ͜ͱ͕Ͱ͖Δ ͨͱ͑͹λΠϚʔεςʔτͷ଴ͪ࣌ؒʹ ม਺Bͷ஋ඵ ͱ͍ͬͨࢦఆ͕Մೳ

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ίϯςφ ෳ਺ͷϊʔυΛ·ͱΊͯͦͷڍಈΛมߋ͢Δ ྫ ੨͍ίϯςφͷத਎͸ΫϥΠΞϯτͷΈͰ࣮ߦ͞ΕΔ ࢵͷίϯςφͷத਎͸αʔόͷΈͰ࣮ߦ͞ΕΔ /FUXPSLJOH4DSJQUFE8FBQPOTBOE "CJMJUJFTJOb0WFSXBUDI ϖʔδ໨ͷਤ IUUQXXXHEDWBVMUDPNQMBZ /FUXPSLJOH4DSJQUFE8FBQPOTBOE"CJMJUJFT

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ಉظΠϯελϯε ಉظΠϯελϯε্Ͱ࣮ߦ͞ΕΔεΫϦϓτ͸ αʔόͱΫϥΠΞϯτͰಉ͡ঢ়ଶ͕อͨΕΔ ෢ث΍ΞϏϦςΟͳͲ શͯͷϓϨΠϠʔͰঢ়ଶ͕ἧ͍ͬͯΔ ඞཁ͕͋Δ΋ͷ͸ಉظΠϯελϯεͰ࣮ߦ͢Δ ͜͜ͱ ͜͜Ͱ ಉ͡ঢ়ଶ ಉظ

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ඇಉظΠϯελϯε ಉظΠϯελϯεͷΠϕϯτ΍஋ͷ೷͖ݟ͸ Ͱ͖Δ͕Ұํ͚ͩͰ࣮ߦ͞ΕΔ ϝχϡʔը໘ͷঢ়ଶ΍ ରઓޙͷ݁Ռը໘ͷભҠͳͲ ଞͷϓϨΠϠʔʹ఻͑Δඞཁ͕ͳ͍෺͸ ඇಉظΠϯελϯεͰ࣮ߦ͢Δ ͚ͩ͜͜

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ಉظͷ͘͠Έ ಉظ͕ඞཁͳεΫϦϓτ͸ جຊతʹαʔό্Ͱ࣮ߦ͞Ε αʔό͔ΒΫϥΠΞϯτʹঢ়ଶ͕ಉظ͞ΕΔ ྫ֎తʹϘλϯೖྗͱর४͚ͩ͸ ΫϥΠΞϯτ͔Βαʔόʹঢ়ଶΛಉظͰ͖Δ ͜͜ͱ ͜͜Ͱ ಉ͡ঢ়ଶ

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ಉظͷ͘͠Έ $'ͷΠϕϯτͷޙͷࠩ෼ $'ͷΠϕϯτͷޙͷࠩ෼ $'ͷΠϕϯτͷޙͷࠩ෼ αʔό͸εΫϦϓτͷ࣮ߦʹΑͬͯ มԽͨ͠ঢ়ଶͷࠩ෼ΛมԽͨ࣌͠ࠁ෇͖Ͱ ͓֮͑ͯ͘

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ಉظͷ͘͠Έ ࠩ෼ΛΫϥΠΞϯτʹૹ৴͠ શͯͷΫϥΠΞϯτ͔Βड͚औΓ௨஌͕དྷͨΒ ͦ͜·Ͱͷࠩ෼Λഁغ͢Δ $' $' $' ͜͜·Ͱഁغ ࠷৽ ࠷৽ ࠷৽

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ಉظͷ͘͠Έ ৽͍ࠩ͠෼ΛૹΖ͏ͱͨ࣌͠఺Ͱ લͷࠩ෼ͷड͚औΓ׬ྃΛ ௨஌͍ͯ͠ͳ͍ΫϥΠΞϯτ͕͍ͨ৔߹ $' $' $' ࠷৽ ࠷৽ ࠷৽ ΛૹΓ͍ͨ

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ಉظͷ͘͠Έ ड͚औΓ׬ྃΛ֬ೝ͍ͯ͠ΔՕॴҎ߱ͷࠩ෼Λ ·ͱΊͯΫϥΠΞϯτʹૹΔ $' $' $' ࠷৽ ࠷৽ ࠷৽ ͔Β΁ͷࠩ෼ ͔Β΁ͷࠩ෼ ͔Β΁ͷࠩ෼ ͱ͕ಉ͡ཁૉΛॻ͖׵͍͑ͯͨ৔߹ ͷޙͷ஋͚͕ͩૹΒΕΔ

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ಉظͷ͘͠Έ ΫϥΠΞϯτ͕$'·Ͱड͚औͬͨͱ ݴͬͯདྷͨΒݱ࣌఺ͷঢ়ଶΛશͯૹΔ $' $' $' ࠷৽ ࣌఺ͷঢ়ଶΛ શͯૹ৴ ৽͍͠ϓϨΠϠʔͷࢀՃ࣌

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ϩʔΧϧΠϯελϯε ϓϨΠϠʔࣗ਎ͷڍಈʹؔ͢ΔεΫϦϓτ͸ αʔόʹ௨஌͢Δͱಉ࣌ʹ ΫϥΠΞϯτͰ΋࣮ߦ͢Δ Ϙλϯԡ͞Εͨ ঢ়ଶΛ ߋ৽ ঢ়ଶΛ ߋ৽ Ϙλϯೖྗʹରͯ͠ଈ࠲ʹԠ౴

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ϩʔΧϧΠϯελϯε αʔόଆ͔Β݁ՌΛड͚औΔ·Ͱ ΫϥΠΞϯτଆͰ͸ঢ়ଶͷࠩ෼Λอ࣋ Ϙλϯԡ͞Εͨ ঢ়ଶΛ ߋ৽ $' ͍ͭͰ΋ϩʔϧόοΫͰ͖Δঢ়ଶʹ͢Δ $' $'

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αʔόͱΫϥΠΞϯτͰ৯͍ҧͬͨΒ Ϙλϯԡ͞Εͨ ঢ়ଶΛ ߋ৽ ঢ়ଶΛ ߋ৽ ඞࡴٕΛ͘Β͑ ͓લ͸΋͏ ࢮΜͰ͍ͨ ඞࡴٕࣦഊ ඞࡴٕ ఢʹ໋த ͑ͬ

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ඞࡴٕࣦഊ ඞࡴٕ ఢʹ໋த ͱ͍͏ͷ͸ ເͩͬͨ ඞࡴٕࣦഊ ΫϥΠΞϯτଆͷ༧૝Λ ϩʔϧόοΫͯ͠αʔόͷ݁ՌΛ࠾༻

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͜ΕΒͷಉظ͸ 4UBUF4DSJQUͷΠϯλϓϦλ͕ߦ͍ εΫϦϓτ্ʹ໌ࣔతʹॻ͘ඞཁ͸ͳ͍ ϙΠϯτ

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Stop Killing Our Servers! ͜ͷηογϣϯͷൃදऀ Sela Davis(VREAL), Jennie Lees(Riot Games) GDC VaultͷURL http://www.gdcvault.com/play/1024584/Stop-Killing-Our- Servers

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if( enemyKilled ) { server.UpdateProgress( 1000_ENEMIES, 1 ); } // ແ૒͢ΔͱେྔͷΠϕϯτ͕ඈͿ while( enemiesAreBeingKilled ) { enemiesKilled++; } if( enemiesKilled > 0 && !achAwarded ) { server.UpdateProgress( 1000_ENEMIES, enemiesKilled ); } // ·ͱΊΑ͏ ΫϥΠΞϯτ͔Βͷࡉ͔͗͢ΔΠϕϯτͰ αʔόΛ౗ͯ͠͠·Θͳ͍Α͏ʹؾΛ͚ͭΑ͏

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ΈΜͳͰॻ͖׵͑Δཁૉ͸ ΩϡʔΛ࡞Δͱ͏·͘ࡹ͚Δ ॱ൪଴ͪ ࣗ෼ͷ൪͕དྷͨΒ ର৅Λૢ࡞ ΩϡʔΛ࡞Δͱཁٻ͕ॲཧ͞ΕΔ·Ͱʹ͸ ͕͔͔࣌ؒΔ͔΋͠Εͳ͍ ཁٻ͕଴ͪঢ়ଶ͔Ͳ͏͔͕Ϣʔβ͔Βݟ͑ͳ͍ͱ Ϣʔβ͸ཁٻΛ࿈ଧͯ͠ Ωϡʔʹେྔͷ଴ͪΛ࡞ͬͯ͠·͏͔΋͠Εͳ͍

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৘ใΛ࠷৽ʹอͭͨΊʹϙʔϦϯά͗ͯ͢͠ αʔόΛ౗ͯ͠͠·Θͳ͍Α͏ʹؾΛ͚ͭΑ͏ ࠷৽ͷ৘ใΛऔಘ͢Δͷ͸ ͦΕ͕ඞཁʹͳͬͨ࣌ʹ͠Α͏ ͦͷ৘ใ͕ৗʹ ࠷৽ͷ৘ใͰͳ͚Ε͹ͳΒͳ͍͔Λߟ͑Α͏ (ΩϟογϡΛݕ౼͠Α͏) ৽ண͋Δ ৽ண͋Δ ৽ண͋Δ

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αʔό͕ࢮΜͰ͍Δ࣌ɺਖ਼͘͠Ԡ౴Ͱ͖ͳ͍࣌ Կ͕ى͜Δ͔Λৗʹߟ͑Α͏ ϩάΠϯʹࣦഊ͠·ͨ͠ ϦτϥΠ ͜͏ݴΘΕΔͱϢʔβ͸ ϦτϥΠΛ࿈ଧͯ͠͠·͏

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αʔό͕ࢮΜͰ͍Δ࣌ɺਖ਼͘͠Ԡ౴Ͱ͖ͳ͍࣌ Կ͕ى͜Δ͔Λৗʹߟ͑Α͏ ϝϯςφϯεதͰ͢ ৄ͘͠͸ެࣜαΠτΛ ҎԼུ αʔϏεʹ໰୊͕ൃੜ͍ͯ͠Δ࣌Ͱ΋ Կ͕ى͍ͬͯ͜Δͷ͔͘Β͍͸ ฦͤΔΑ͏ʹ͓ͯ͜͠͏

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ෛՙςετΛߦ͓͏ ՄೳͳݶΓૣ͍ஈ֊͔Βසൟʹ ҟͳΔγφϦΦΛෳ਺༻ҙͯ͠ ຊ෺Β͍͠τϥϑΟοΫΛ࡞Ζ͏ ػೳ͝ͱʹγφϦΦΛ༻ҙ͠Α͏ ฏۉతͳέʔεͱϫʔετέʔεΛ૝ఆ͠Α͏ Ͳ͏͍͏࣌ʹࠞࡶ͢Δ͔ΛݟۃΊΑ͏

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ϓϩϑΝΠϧΛऔΖ͏ ΫϥΠΞϯτͷৼΔ෣͍͕ αʔόʹͲΜͳӨڹΛ༩͑Δͷ͔ΛݟΑ͏ αʔόͷৼΔ෣͍͕ ΫϥΠΞϯτʹͲΜͳӨڹΛ༩͑Δͷ͔ΛݟΑ͏

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ϦΫΤετ͔ΒϨεϙϯε·Ͱͷ࣌ؒΛଌΖ͏ RTT͕ҟৗʹ௕͍෦෼ʹ஫໨͢Δࣄ͸ ଟ͘ͷ৔߹໰୊ͷௐࠪʹ༗༻Ͱ͋Δ ΫϥΠΞϯτ͕ෆ҆ఆͳωοτϫʔΫΛհͯ͠ ઀ଓ͍ͯ͠ΔࣄΛݕ஌͠Α͏

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ϩάΛ࢒ͦ͏ ԿΛϦΫΤετͯ͠Կ͕ฦ͖ͬͯͨͷ͔Λه࿥͠Α͏ ҟৗͳϨεϙϯεΛฦ͢αʔόͷ໰୊ͷௐࠪ ҟৗͳϦΫΤετΛ͢ΔΫϥΠΞϯτͷ໰୊ͷௐࠪ ౳Ͱ໾ཱͭ ΫϥογϡϨϙʔτπʔϧΛ׆༻͠Α͏

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ΫϥΠΞϯτͷઃఆΛ αʔό͔Β໯ͬͯ͘ΔΑ͏ʹ͠Α͏ ΫϥΠΞϯτͷެ։ޙͰ΋ ήʔϜͷόϥϯεΛௐ੔Ͱ͖Δ ෆ۩߹͕ݟ͔ͭͬͨίϯςϯπΛ ࢖͑ͳ͍Α͏ʹͰ͖Δ ΫϥΠΞϯτ͕઀ଓ͢΂͖αʔόΛมߋͰ͖Δ ςετ༻ͷΫϥΠΞϯτͱ ຊ൪༻ͷΫϥΠΞϯτΛಉҰʹͰ͖Δ ௨শνΩϯεΠον

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࠷΋ॏཁͳࣄ αʔόΤϯδχΞͱ ΫϥΠΞϯτΤϯδχΞ͸ ஥ྑͤ͘Α

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Give people the power to “play, share and watch” the games they love with the people they care about. ͜ͷηογϣϯͷൃදऀ Leo Olebe(Facebook) GDC VaultͷURL (ͳ͠)

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Facebook Instant Games Facebook Messenger্Ͱىಈͯ͠ ήʔϜϓϨΠͱ݁ՌΛͦͷ৔Ͱڞ༗Ͱ͖Δ ϛχήʔϜΛ։ൃ͢ΔͨΊͷϓϥοτϑΥʔϜ HTML5+JavaScriptͰ։ൃ͢Δ https://developers.facebook.com/blog/post/2016/11/30/instant- games-closed-beta/

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Facebook Gameroom FacebookͷPCήʔϜൢചϓϥοτϑΥʔϜ Flash·ͨ͸HTML5Ͱॻ͔Εͨ ϒϥ΢β্Ͱಈ͘ήʔϜͱ UnityͰ։ൃ͞ΕͨωΠςΟϒͷήʔϜΛ Facebook͕ϗεςΟϯά https://developers.facebook.com/docs/games/gameroom

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Facebook࿈ܞ Facebook͸ΞϓϦέʔγϣϯͷ։ൃऀʹ Facebookͱ࿈ܞ͢ΔͨΊͷAPIΛఏڙ͍ͯ͠Δ XBOX΍PS4͔Β΋࿈ܞͰ͖Δ FacebookΞΧ΢ϯτͰϩάΠϯͰ͖ΔΑ͏ʹ͠Α͏ https://developers.facebook.com/docs/facebook-login https://developers.facebook.com/docs/graph-api FacebookͰήʔϜମݧΛ౤ߘͰ͖ΔΑ͏ʹ͠Α͏

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Facebook Live API Facebook͸ಈըͷϥΠϒετϦʔϛϯάͷͨΊͷ APIΛఏڙ͢Δ ήʔϜ͔Β͜ΕΒͷAPIΛར༻ͯ͠ Ϣʔβ͕ήʔϜମݧΛ ༑ୡͱڞ༗Ͱ͖ΔΑ͏ʹ͠Α͏ https://developers.facebook.com/docs/videos/live-video

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Facebook Analytics https://developers.facebook.com/products/analytics ήʔϜ 'BDFCPPL Ϣʔβ ։ൃऀ Ϣʔβ৘ใ Πϕϯτ 'BDFCPPLͰ ϩάΠϯ ౷ܭ FacebookʹήʔϜ಺Ͱىͬͨ͜ΠϕϯτΛૹͬͯ ͲΜͳ૚ͷϢʔβ͕Ͳ͏༡ΜͰ͍Δ͔Λ஌Δ

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Build Resilient Online Games with Amazon GameLift ͜ͷηογϣϯͷൃදऀ Chris Byskal(Amazon), Geoff Pare(Amazon) GDC VaultͷURL http://www.gdcvault.com/play/1024274/

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GameLift ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ΦϯϥΠϯϚϧνϓϨΠϠʔήʔϜͷ αʔόͱηογϣϯͷ؅ཧΛߦ͏

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ىಈ ఀࢭ ࢮ׆؂ࢹ ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* αʔόͷঢ়ଶݟͤͯ ੜ͖ͯΔ ݸʑͷήʔϜαʔόͷىಈɺఀࢭɺࢮ׆؂ࢹ ϩάͷ֬ೝͳͲ͸؅ཧίϯιʔϧ͔Β ࢮΜͰΔ

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σϓϩΠ ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ήʔϜαʔόͷ όΠφϦ αʔόͷόΠφϦΛGameLiftʹ౤͓͛ͯ͘ͱ ඞཁͳαʔόʹσϓϩΠ͞ΕΔ

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αʔό (BNF-JGU"1* ࣗಈεέʔϧ αʔό F-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* ࣗಈεέʔϧΛ༗ޮʹ͓ͯ͘͠ͱ ϓϨΠϠʔ਺ʹԠͯ͡ αʔόͷΠϯελϯε͕ࣗಈͰ૿ݮ͢Δ αʔό (BNF-JGU"1* ৽͍͠αʔό΁ͷσϓϩΠ΋ࣗಈ ࠞࡶ ࠞࡶ

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ઀ଓ ͜ͷ෦԰ʹೖΓ͍ͨͳ ΫϥΠΞϯτ͸GameLiftαʔϏεʹ ઀ଓΛཁٻ͢Δ

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ઀ଓ ͜ΜͳϠπདྷͯΔΜ͚ͩͲ ೖΕͯྑ͍? αʔό͸GameLiftʹڐՄ͢Δ͔Ͳ͏͔Λฦ͢ ͓͚ͬɺ೚ͤΖ

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ઀ଓ GameLift͸ΫϥΠΞϯτʹ ઀ଓઌΛڭ͑Δ ͋ͷαʔόʹܨ͍Ͱ

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ઀ଓ ͓अຐ͠·͢ ͳΜ͔དྷ͚ͨͲ ͜ΕͬͯݴͬͯͨϠπ? ͤ΍Ͱ ୭͔઀ଓͯ͠དྷͨΒ αʔό͸GameLiftʹϢʔβΛ֬ೝ

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ઀ଓ ੾அ ݴͬͯͨϠπ ؼͬͨͰ ΫϥΠΞϯτ͕੾அͨ͠Β αʔό͸GameLiftʹ௨஌

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ෦԰ͷ࡞੒ ৽͍͠෦԰Λ ࡞Γ͍ͨͳ ৽͍͠෦԰୲౰ΑΖ͘͠ ΫϥΠΞϯτ͕৽͍͠෦԰Λ࡞Γ͍ͨ࣌͸ GameLiftʹཁٻ

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ෦԰ͷݕࡧ ࠓ͋Δ෦԰ ͍ͩ͘͞ ͪ͜Β͕ҰཡʹͳΓ·͢ GameLift͸࣮ߦதͷશͯͷ෦԰Λ஌͍ͬͯͯ ΫϥΠΞϯτ͔Βཁٻ͞ΕͨΒͦΕΛฦ͢

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ෦԰ͷݕࡧ ͜Μͳ෦԰ ͳ͍? ͜ΕͳΜ͔ Ͳ͏Ͱ͠ΐ͏ ήʔϜαʔό͔Β෦԰ͷ৘ใΛ౉͢͜ͱͰ ৚݅ʹ͋ͬͨ෦԰ΛݕࡧͰ͖ΔΑ͏ʹͳΔ ࠓ͜ͷ෦԰ ͜Μͳ෩ʹͳͬͯΔ

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ෦԰ͷݕࡧ ݱࡏͷ෦԰ͷঢ়گͱϓϨΠϠʔͷঢ়گ͸ ؅ཧίϯιʔϧ͔Β֬ೝͰ͖Δ ϓϨΠϠʔདྷͯΔ? ͦͦ͜͜

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔϧ (BNF-JGU"1* αʔό (BNF-JGU"1* ϚονϝΠΩϯά ରઓ૬खΛٻΊΔϓϨΠϠʔಉ࢜Λ άϧʔϓԽͯ͠ ରઓ͍ͨ͠! ϝϯόʔ͕ἧ͏·Ͱ ͓଴͍ͪͩ͘͞

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔ (BNF-JGU"1* α (BN ϚονϝΠΩϯά ਓ਺͕ἧͬͨΒ෦԰Λ࡞Δ Զ΋ରઓ͍ͨ͠! ͍ͭ͜ͱ͍͕ͭ͜ ରઓ͕ͨͬͯ͠Δ͔Β ෦԰ΑΖ͘͠ ϥΠΞϯτ BNF-JGU"1*

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ΫϥΠΞϯτ (BNF-JGU"1* αʔό (BNF-JGU ؅ཧίϯιʔ (BNF-JGU"1* α (BN ϚονϝΠΩϯά ϥΠΞϯτ BNF-JGU"1* ͜ͷαʔόʹ ઀ଓ͍ͯͩ͘͠͞ ͜ͷαʔόʹ ઀ଓ͍ͯͩ͘͠͞ ͜͏ͨ͠ϚονϝΠΩϯά΋ GameLiftͰߦ͏ࣄ͕Ͱ͖Δ

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ΫϥΠΞϯτ (BNF-JGU"1* (BNF-JGU ϚονϝΠΩϯά ରઓ͍ͨ͠! Ͳ͏͠Α͏ -BNCEB %ZOBNP ଴ͬͯΔϓϨΠϠʔͷ ৘ใͪΐ͏͍ͩ ͜ΜͳϠπ͕ ͓ΔͰ ͍ͭ͜ͱ͍ͭ͜Ͱ෦԰࡞ͬͯ Amazon Dynamoʹஔ͍ͨϓϨΠϠʔͷ৘ใΛ࢖ͬͯ Amazon LambdaͰ޷͖ͳϧʔϧͰάϧʔϓΛ࡞ΕΔ

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ϚϧνϦʔδϣϯ ੈքதͷϓϨΠϠʔʹ ௿͍ϨΠςϯγͰͷαʔϏεΛఏڙ͢Δʹ͸ ෳ਺ͷ஍ҬʹαʔόΛஔ͍ͯ࠷΋͍ۙ΋ͷΛ࢖͏ αʔό (BNF-JGU"1* αʔό (BNF-JGU"1* αʔό (BNF-JGU"1*

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GameLift͕࢖͑ΔAWSͷϦʔδϣϯ όʔδχΞ๺෦ ΦϨΰϯ ϑϥϯΫϑϧτ ΞΠϧϥϯυ ϜϯόΠ ι΢ϧ ౦ژ γϯΨϙʔϧ αϯύ΢ϩ

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ϚϧνϦʔδϣϯ αʔό (BNF-JGU"1* αʔό (BNF-JGU"1* αʔό (BNF-JGU"1* ڧ͍ ԶΑΓڧౕ͍ʹ ձ͍ʹߦ͚ͳ͍ ϓϨΠϠʔ͕෼அ͞ΕΔ ৚݅ʹΑͬͯ͸ద੾ͳ૬खͱ ϚονϝΠΩϯά͕Ͱ͖ͳ͘ͳΔ

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άϩʔόϧϚονϯά αʔό (BNF-JGU"1* αʔό (BNF-JGU"1* αʔό (BNF-JGU"1* ڧ͍ ڧ͍Ϡπืू Ϧʔδϣϯ୯ҐͷϚονϯάͰਓ਺͕ἧΘͳ͍࣌ ͦΕ·ͰʹἧͬͨϝϯόʔΛάϧʔϓʹͯ͠

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άϩʔόϧϚονϯά αʔό (BNF-JGU"1* αʔό (BNF-JGU"1* αʔό (BNF-JGU"1* ڧ͍ ڧ͍΍ͭ͸ ͓ΒΜ͔ʔ ผͷϦʔδϣϯͷαʔόʹ ϚονϯάཁٻΛ౤͛Δ

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άϩʔόϧϚονϯά αʔό (BNF-JGU"1* αʔό (BNF-JGU"1* αʔό (BNF-JGU"1* ͓ΔͰ ڧ͍΍ͭ͸ ͓ΒΜ͔ʔ GameLift͸ ଞͷϦʔδϣϯ͔ΒདྷͨάϧʔϓͷΩϡʔΠϯάͱ ΫϥΠΞϯτʹର͢Δ௨஌ͷ࢓૊ΈΛఏڙ͢Δ