狠狠撸

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(Analysis of Game Graphics using Unity3D)

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Unity Shader
I N D E X

???(Yi SangYun) illustor@gmail.com
JoyCity Technical Artist / Unity Masterz 1?
Unity RoadShow Seoul , IGC 2016 : ???? ????? ??? ??????
Intel Buzz workshop Seoul 2016 : ?? ??? ??? ????? VR, ??? ??/??
Unite Seoul 2016, CGC2016 : ??2 ????? VR??
Unite Seoul 2015 : Light Probes? ??? ??? ?????? ???? ??
GameTech 2015 : ??? ???? ?? ????? ???? ??
KGC 2013 : ??? ???? ??? ???
???? : The Game Graphics ???, ??? ??? VR : ???5? ??? ?????? ??
Facebook Game 3D ?? ???? ?? ???.

Defense Technica
Steam, Android, IOS, PS3, XBOX360
The Mansion : A Puzzle of Rooms
IOS, Android
Rooms : The Unsolvable Puzzle VR
Oculus PC VR, Steam VR
??? ??? for Kakao
Android
Gunship battle2
Android, IOS, Oculus mobile VR

PC, PC VR ??(GPU ????)
??? ??.
???? ??? ??.
????? ? ??.
???? ???? ??? ??
??? ??? ????(?????)
ATI? AMD? ??

VGA Hierarchy 2016
Geforce Radeon Intel Intergrated Graphics
Titan X(Pascal)
GTX 1080
GTX 1070 R9 295X2
Tintal X(Maxwell), 980Ti HD 7990, R9 Fury X
GTX 1060, 980, 960, Titan Black Fury Nano, R9 Fury
GTX 780, 780Ti, 970, Titan RX 480, 470, R9 290, 290X, 390, 390X
GTX 590, 680, 770 HD 6990, R9 280X, 380
GTX 580, 670, 960 HD 5970, 7870LE(XT), 7950, 280, 285
GTX 660Ti, 760, 950 RX 460, HD 7870, R9 270, R9 270X, R7 370
GTX 295, 480, 570, 660 HD 4870 x2, 6970, 7850, R7 265
GTX 470, 560Ti, 560Ti 448 Core, 650Ti Boost HD 4850x2, 5870, 6950, R7 260X
GTX 560, 650Ti, 750 HD 5850, HD 6870, 7790
9800GX2, 285, 460 256bit, 465 HD 6850, 7770, R7 260, R7 360 Iris Pro Graphics 6200
GTX 260, 275, 280, 460 192bit, 460SE, 550Ti HD 4870, 5770, 4890, 5830, 6770, 6790
8800Ultra, 9800GTX, 9800GTX+, GTS 250 HD 3870x2, 4850, 5750, 6750, 7750, R7 250 Intel HD530

Console / Console VR ??
PS4 PS4 pro

PS4/PS4 Pro
PS4 PS4 Pro
CPU X86-64 AMD “Jaguar”, 8 Core 1.6GHz -> 2.1GHz
GPU
1.84 TLOPs Radeon based Graphics engine
(7870 – 7850 ??)
1.84 TFLOPs -> 4.2 TFLPOPs(FP32 ????)
1.84 TFLOPs -> 8.4 TFLPOPs(FP16 ????)
RAM
8G GDDR5 SDRAM
176GB/s
??? ???? ??? : 256MB
8G GDDR5 SDRAM
218GB/s
??? ???? ??? : 1GB
???? HDMI 1.4 HDMI 2.0(4K UHD + 60Hz ??)

PC VR
Oculus Rift(CV1) HTC Vive PS4 VR
Resolution 2160 x 1200 2160 x 1200 1920 x 1080
Refresh Rate 90Hz 90Hz 90~120Hz + Reprojection
Platform Oculus Home SteamVR PSN
Field of view 110 degrees 110 degrees 100 degree
Tracking Area 5x11 feet 15x15 feet -
Ram 8GB+RAM 4GB+RAM -
System requirement
NVIDIA GTX 970 / AMD 290 equivalent or greater
Intel i5-4590 equivalent or greater
PS4, PS4 Pro

Oculus touch vive controller Sony move stick

Mobile/Mobile VR ??
Qualcomm SnapDragon AP ??
Samsung Omnia Mobile AP
SoC ??(System on Chip). ??? ??? ???? ??? ??? ????? ??

Imagination
PowerVR
Nvidia
Tegra
Qulacomm
SnapDragron
ARM
Mali
Mobile GPU

Mobile Device Texture ?? ??
ETC 1 ETC2/EAC DXT(S3TC) PVRTC ATITC
iOS PoewrVR ES 2.0 ◎
iOS PoewrVR Series 6 ES 3.0 ◎ ◎ ◎
Android PowerVR ES 2.0 ◎ ◎
Android Tegra2/3/4 ES 2.0 ◎ ◎
Android Adreno200 ES 2.0 ◎ ◎
Android Adreno300 ES 3.0 ◎ ◎ ◎
Android Mali400 ES 2.0 ◎
Android Mali600 ES 3.0 ◎ ◎

Samsung Galaxy S4
4.99?? 1920x1080(FHD)
?? ????? 600 Adreno
320(PowerVR ?? ?? ??)
SM 3.0
2G RAM
Samsung Galaxy S3
4.8?? 1280x720(HD)
???? 4412 ARM Mali-400
SM 2.0
2G RAM
Android

Apple iPhone 5
4?? 1136x640
A6 PowerVR SGX543
SM 2.0
1G RAM
IOS
Apple iPhone 5s
4?? 1136x640
A7 PowerVR SGX6430
SM 3.0
1G RAM

Samsung Galaxy S7
5.1?? 2560x1440(QHD)
???? 8890 ARM Mali-
T880
SM 3.1
4G RAM
Samsung Galaxy S6
5.1?? 2560x1440(QHD)
???? 7420 ARM Mali-
T760
SM 3.1
3G RAM
Mobile VR

Mobile VR
Samsung GearVR Samsung GearVR2 Google DayDream
Platform Oculus Home Google
Field of view 96 degrees 101 degrees 100 degree
Position Tracking ?? ??
Depth -9D ~ +0.0D -
?? ???? ???? ?? ?? DayDream Controller

Qualcomm 820(SnapDragon) : Galaxy S7(???)
Apple A9 : iphone 6S, 6S Plus
Exynos 8890 : Galaxy S7, Note 7
Exynos 7420 : Galaxy S6, Note 5
Helio X25 : ????. ARM A72+A53, Mali-T880 ??. ???
Kirin 955 : HISILICON. ARM A72+A53, Mali-T880. ??? ???

Qualcomm 820 : Adreno 530, 810 : Adreno 430, 805 : Adreon 420, 652 : Adreno 510

Hardware ??????
GPU-Z ???? GPU ??? ??? ?
?? ????
?????? CPU Z? ?? ??. ??
? AP??? GPU ???? ?? ?? ?
?. IOS? ????? ?? ??? ??

Nintendo Switch
Customized Tegra AP ??
K1??? OpenGL 4.5? ? ????? ??. ?? PC? ??? ??? ??.(DX ???? ????)
nVidia ??? ?? ?? C? ??
Vulkan ???? ???? ??? ??? ??

ART
Character
Environment
Effect
UI Logic
?? ??? ???? Graphics ??? ??

Scene? ?? vertex?? ??? ?? CPU? GPU?? ??? ??. ???? ?? ? ???? ??? ??? ??
?? 1?? ??? ??, 1?? material? ????? ?? ??? ??? ??.
??? ???? ??? ???? ??? ?? ? ??.
Texture
Shader
Mesh
Material
Mesh render
DrawCall
Drawcall

Defense Technica
PC Steam
PS3, XBOX 360
Android : ??? S2
IOS : iPhone 4

Defense Technica Steam steage 19 Defense Technica Mobile steage 19

??? ??? for Kakao
Android : ??? S3
IOS : iPhone 5
Unity 4.x

MJT Project ??? ?? statics : ?? ??? ?? ??? ??? ??? ???? ???? ???? ?.

?? ?? ??? ?? ?? ?? ????? ?? ?? ??
?????? ??? ??? ???? ??? ??. ?? ?? ??????? ??? ?? ??? ??? ????
?? ?? ? ? ???
??? ???? ??? ??? ?? ??? ????? ??? ??? ???? ?? ????? ??(??? ??
????? ??? ??? ?? ?????? ???? ??)
??, ????, ??? ? ???? ???? ?? ??? ???? ?? ???? ???? ??. ???? ????
???? ???? ???? ??? ??? ?? ?? ?? ??(?? ???, ??? ?? ?)

Drawcall? ???? ??? mesh? ?? ??? ??? ??? ??
??
Static Batching(????)
???? ??? ? ?? ????? ??? ??? ???? ?? ??
? ?? ???? ?? ??? ?? ??? ?? ??? ? ???? ?
??? ?? ??.(scene? ?? ??? ?? ?? ????? ?? ?
?? ??)
Dynamic Batching(?? ??)
???? object? ??. ?? ??? ?? ?? ? ??? ????.
Project? batching? ??? ? ?? ??? ???? ???? ???
? ??? ??
Batching

????? ?
??? ??? ??
Drawcall : 1
Probe light ???? Batching ??.
?? scene? 5unit ??.
????? ?
Mesh animation ??
Drawcall : 12
???? ??
Probe light ???
?? 100unit?? ??.

Vertex? 900 ???? ???? UV0, UV1, Tangent, Vertex Normal ?? ???? 180??
Material Instancing ??? ???
Lightmap Index? ?? ?? ??? ??
Multi-pass shader??? ?? ??
Batching ??? combine? vertex ?? 65535? ?? ??
Skinned mesh ?? ??

Model ??? ??
Vertex Normal? ???? ?? Unlit ??? Shader? ??? ??
Model ???? ?? ??? ?? ??.
??, ??? ???? ?? ???? Tanget & Binormal? ???
?? ??

FBX Export ??? ??
fbx export ??? binormal? tangents? ?????
??? ?? ??, fbx? ????? ??
Caculate ??? ???? ??? ??? ???(??
?? xrd?? ??? ???? ??? ????) ???
? ????? ?? ??...
??? ??? : http://illu.tistory.com/1175 ??

? Poly counter? ??? ???? ???? ??? ??? ??
? ?? ?? ??? ??? texture ??? ???? ??(color? illumination color? ??)
? ?? ??? ?? ??? ?? ??? ????? ????? ???
? ?? ??? Tower? ?? ????? ????? ???? ??
Polygon and Textures

Lineage II Revolution(Netmarble)
????? ??? PC?? ??? ?? ??? ????
?? ????? ???? ?? ???? ?? ??? ?
??? ?? ??? ??
HIT(NAT Games)

????? ?? ? ??
Resolution Pixel Count
qHD(quarter FHD) 960 x 540 518,400
HD(High Definition) 1280 x 720 921,600
FHD(Full HD) 1920 x 1080 2,073,600
QHD(Quad HD / 2K) 2560 x 1440 3,686,400
WQXGA(Wide Quad eXended Graphic Array) 2560 x 1600 4,096,000
UHD(Ultra HD / 4K) 3840 x 2160 8,294,400
Mobile ?????? ?? ???? ?? ? ????. QHD? ???? ???? ??

Advanced option? ????? ???? ??? ??? ? ??
??? ???? ?? Mipmap ??? ????? ??? ??? ???
????? ??? ???? ??? mipmap? ???? ??
??? Kaiser ??? ??.
??? ??? ?? ????? ????? ??? ???? ???? ?
?? ??? ???? ???? ??? ??.
???? ?? ??? ??? ??
Texture ??

Unity 5.5??? Advanced option? ???? ??? Advanced ?? ??. ???? ???? ???.

ES 2.0(S3 ??)?? ?? ?
???? ES 3.0(S4 ??)?
????? ???? ??
ETC 1?? ETC2? ????
???? ????? ???
? ??
??? ??? ???? ?
? ??? ??? ???.

Pixel Format ??
(512 ??. ?? ??)
Alpha Channel ??
(1024 ??. ?? ??)
ETC 4bits 170.7kb X 0.7MB
ETC2 4bits 170.7kb X 0.7MB
1bit alpha ETC2
4bits
170.7kb
O
(1bit alpha)
0.7MB
ETC2 8bits 341.4kb O 1.3MB
RGBA 16bit 0.7MB O 2.7MB
RGB 24bit 1.0MB X 4.0MB
RGBA 32bit 1.3MB O 5.3MB

Project Setting? Quality
Anisotropic Filtering(???? ???)
Texture option

Anti aliasing
MSAA ??? Anti aliasing ??? ??. SSAA?? ?? ?? ??
? ???? ?? ?? 1?? ??? 1?? ?? ??? ????,
???? ???? ???? ??

Post Processing Anti aliasing
Fast Approximate Anti-aliasing. ?? ??? ?????
??? ? ???? ?? ??? ???? ??? ???
? ?? ???? ??

????? ???? ??? ???? ???? ????? ?? ??? ??? ??.
???? ??? ?? ?? ??? ?????? ???? ???? ???? ?????? ??.
????? ????? ???? ????(ShadowMap) ??? ???? ????. ? ??? ?? ??? ???? ?? ??
?(self-shadow)? ???? ? ?? ???? ???? ??? ??? ?????. ShadowMap ??? ???? ??? ??
?? ??? ???? ? ?? ???(Pixel Shader)?? ??? ???? ??? ????.
??, ?? ??? ?????? ?? ???? ??????(cascade) ?? ??? ??? ?? ??? ????? ????
???? ? ???? ???? ?????.
- ??? ??? ????? ? 中
Shadow

HIT(NAT Games)
????? ???? ??? ??? ??? ?? ??????? ???? ?? ??? ?? ??.(??, ?? ???
? ?? ???? ???? ?? ??)

????(Nexon)??? ?????(NCSoft)
???? ????? ???? ?????? ??? ??? ??. ???? ??? ?? ??
?? ????? ???? ??? ????? ?? ???? ??? ???? ??? ? ??

Lightmapping
Lighting? ?? ??? ???? ??? ??? ???? ??? ???? ??.
?????? ?? ???? ??? ????? ??? ? ??.
Unity 4??? Beast? ?????? Unity 5?? Enlighten? ??.

Theme01 : Spring
Rooms VR Play Scene theme
Theme02 : Summer
Theme03 : Autumn Theme04 : Winter

Main Scene VR
Exit
Trophy
Trophy
?
UI
UI
Theme select

PC? Mobile Platform? ?? ???? ?? ???? ??? ???? ?? ??? ????? ???? ???? ???
??? ??? ? ????? ??? ?? ??? ??.
Model ??? Generate
Lightmap Uvs?? Lightmap
UV? ???? ??? ???
? ?? ??? ??? ???
? ???? ????? ??
???? ?? ??

?? ??? ?? Generate Lightmap Uvs ??? ???? ? ??? ?? ???? ???? ??? ??? ??
5.3 >> 5.4
5.4 >> 5.5
????? ??? ??? ??? 5.5.0 p4?? ???? ??.(5.5 ??? ? ???? ??)

Multi-sub? ??? Material? ???? Mesh?? attach?? ??? ??? 2ndUV? ???? ??? ???
???? ??? Lightmapping? ?? ??? ‘??? ?? ???’ ?? ?? : http://illu.tistory.com/1178
???? ???, ??? ??? VR

Console stage 17 mobile stage 17
Linear Interpolate(Lerp) ??? ??? Splatting? ??
Core Effect ??

Fog
Linear Fog ??.
????? ?? ??? ??? ?? ??.

Linear Graph Exponential Graph
Post Process?? ???? Global Fog?
exponential ???? fog? ??

Skinned Mesh? ???? ?? ??? ????? Transform ??? ??? ???? ???? ??
Unity3D? vertex animation? ???? ??? mesh animation? ????.
?? ?? skinned mesh ??? ??? ?? ???? dynamic batching? ??
Mesh, Material animation?? ???? ??? ???? ??? object? ????? ?
??? ??? ??? ? ??. Material? ??? ???? ?????? ?? ?????
? _Time?? ???? ?? ??? C#?? ??? ??? ????? ??? ??
Mesh Animation

Mobile flame tower effectConsole flame tower effect
??? ??? ? ??
??? ??? ????
??? ???? ??? ?
? ??? ?? ??
Mobile mortar tower effectConsole mortar tower effect
Effect

Core Effect ??
Console core ?? ?? effect
Mobile core ?? ?? effect
???? ??? effect ??? ??? ???? ??. ?? ??? ???

Standard Shader
Unity5?? ??? PBS(Physically Based Shader)? ??.
??? Shader? ???? ??? ??? ??? ?? ???? ?? ??? ????.
?????? ???? ??? ???? ??? ??? ?? ???(???? ??.)

Light
Cubemap
(Environment Reflection Source)
Standard Shader? ??
Albedo
Smoothness
(1-roughness)
Metalic
Normal
A.O
(Ambient Occlusion)
Emissive
Detail Normal

Albedo
Smoothness
Metallic
Skybox
Standard shader? Metallic texture ??? R??
?? Metallic?? A??? ?? Smoothness ??
? ???? ??.

Unity?? ???? ???? built-in shader? ?? ???
? ?????? ??? ???? ?? ??? ??????
? Custom shader? ???? ????? Asset Store??
Shader? ???? ???? ?.
Unity Surface Shader? ??? GLSL, HLSL, Cg ??? ??
??? ?? ??? ??? ????? ??.
Custom Shader

Fixed/Function Shader
??? ???. ??? ?????? ??? ??
??? ???? ??? ??
??? ??

Vertex and Fragment Shader
CG ?? ??? ??.
???, ?? ??? ??
????? ??? ??? ? ?? ??
??? ??? ????? ?? ??

Unity Surface Shader
Matrix ????.(??????)
???? ??? ?? ?? ??? ??? ??, ?
??? ???.
???? ????? ??? ???? ?? ? ??
? ????.

Surface Shader? Compiler ??
Surface Shader? ??? ? ??? ??? ? ??? ? ?? ??, ?? ??? ?? ??? Shader? ??? ???
Compiler ???? ??? ??? ? ????.

??? ??? Character shader ??? ??? ??? ?
??? ??? ??? ?? ??? ????? ????? ??

Texture atlas? ??? UV ???? ?? ??? ???? ??? ??. (??? ?? ??? UV ????? ??)
Prop? scene?? ??? ???? ??? ?? shader
Shader??? ??

Shader Animation
Vertex animation? ??? ??? ??? UV scroll? Emissive clamp? ??? ??? ??

Terrain?? Splatting texture
Lerp ?? ??(Linear Interpolate)
Lerp(A, B, Value)? ETC1 ???? masking texture Base, R,G,B
? ??? texture blending? ??

Masking texture ?? ? ?? ??
ETC ??? ????? ?? ??? ??? ?? ETC2??? ????.
Terrain ?? ? ??? ???? masking texture? ?? scale? ??? 24bit RGB? ???? ?? ??

RoomsVR?? MainMenu? ?? ? ??? ??? ?? ? ??? ??.
Shader?? viewDir(??? ??) ??? ????? ?? ???? ??? ?????? rim light
??.
VR?? viewDir? ??

Q&A
illustor@gmail.com
Facebook ?? 3D ?? ???? ?? : https://www.facebook.com/groups/3Dbackground/

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??? ?? ???? ?? ?? ?? ??

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