GDC2017に関する報告

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
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
Tiago Rodrigues (Ubisoft Montreal)
GDC VaultͷURL
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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ύε ύε
Ϧιʔε
ύε
Ϧιʔε
୯७ʹϦιʔε͝ͱʹόϦΞΛுΔͱ
ՕॴͰόϦΞΛ଴ͨͳ͚Ε͹ͳΒ͍͕
ό
Ϧ
Ξ
଴
ػ
ό
Ϧ
Ξ
଴
ػ

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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
Alex Dunn(NVIDIA), Stephan Hodes(AMD)
GDC VaultͷURL
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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(16
σΟεΫϦϓλ
ώʔϓ
σΟεΫϦϓλ
ώʔϓ
σΟεΫϦϓλ
ώʔϓ
σΟεΫϦϓλ
ώʔϓ
GPU্ͷ
σΟεΫϦϓλώʔϓ͸1ͭ
ೖΕସ͑ʹ͸
લͷλεΫͷ׬ྃΛ଴ͭඞཁ͕͋Δ
API্͸زͭͰ΋࡞ΕΔ

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(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
Rahul Sathe(NVIDIA), Evgeny Makarov(NVIDIA)
GDC VaultͷURL
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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Temporal Anti-Aliasg
t=0

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t=1

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t=3

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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
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
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
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
$16
%SBX
Vulkan

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

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7,@%&1&/%&/$:@#:@3&(*0/@#*5
υϥΠό͸ҎԼͷΑ͏ʹ࣮ߦͯ͠ྑ͍͜ͱΛ
஌Δ͜ͱ͕Ͱ͖Δ
λΠϧ෼ͷ(όοϑΝ͸
43".ʹ৐ΔҝଳҬΛ࿘අ͠ͳ͍
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
Karl Hillesland(AMD)
GDC VaultͷURL
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
Richard Tonge(NVIDIA), Hammad Mazhar(NVIDIA)
GDC VaultͷURL
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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ਂ౓
ཻࢠͷ࠲ඪͱରԠ͢ΔҐஔͷZ஋Λൺֱ͠
ޙऀ͕खલͩͬͨΒཻࢠΛԡ͠ग़͢

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ਂ౓
ܽ఺: 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৚݅
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৽
ি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
ΊΓࠐΜͰ͍ΔཻࢠΛ
ΊΓࠐΉલͷҐஔ·ͰҠಈ
ཻࢠؒͷҐஔؔ܎Λ
߆ଋ৚݅ͱͯ͠
ཻࢠͷҐஔΛमਖ਼

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PBDʹ͓͚Δ෍ͷѻ͍
ཻࢠؒͷڑ཭Λ
߆ଋ৚݅ͱͯ͠

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PBDʹ͓͚Δྲྀମͷѻ͍
ཻࢠؒͷີ౓Λ
߆ଋ৚݅ͱͯ͠

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Game Physics on the GPU
with PhysX 3.4
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
Neil Trevett(NVIDIA)
GDC VaultͷURL

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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
Brandon Jones (Google), Zhenyao Mo (Google),
Kai Ninomiya (Google)
GDC VaultͷURL

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

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(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
Cem Cebenoyan(NVIDIA), Edward Liu(NVIDIA)
GDC VaultͷURL

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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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εςϨΦϨϯμϦϯά
ࠨӈͷ໨ʹ౤Өߦྻ͚͕ͩҧ͏
ϨϯμϦϯά݁ՌΛݟͤΔඞཁ͕͋Δ

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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'
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
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'
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'
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෼
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!
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.
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
Chris Byskal(Amazon), Geoff Pare(Amazon)
GDC VaultͷURL

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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"1*
αʔό
(BNF-JGU"1*
αʔόͷঢ়ଶݟͤͯ
ੜ͖ͯΔ
ݸʑͷήʔϜαʔόͷىಈɺఀࢭɺࢮ׆؂ࢹ
ϩάͷ֬ೝͳͲ͸؅ཧίϯιʔϧ͔Β
ࢮΜͰΔ

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

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

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

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

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

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

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

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GDC2017に関する報告

GDC2017に関する報告

Fadis

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