Unite2019 HLOD를 활용한 대규모 씬 제작 방법

May 27, 20196 likes2,037 views

This document discusses hierarchical level of detail (HLOD) techniques for improving graphics performance and optimization in large 3D scenes. HLOD allows grouping different 3D objects based on distance from the camera and rendering them as a single batch to reduce draw calls. The document explains how HLOD works, provides examples of baking HLOD trees, and compares the performance and memory usage of HLOD to traditional static batching and level of detail techniques.

Unity Technologies
Spotlight Team
Senior Engine Programmer

5
— ReCore
— Praey for the Gods
— Tacoma
— Final Fantasy XV
Pocket Edition
— Shadow Tactics
— Battletech
— ETC...

17
4km x 4km
24000 Tree
8000 House
32000 Probs

19
— 여기서 모바일 버짓과 현실 비교
— 배치를 줄여야 수행 가능
— 배치를 줄여야 한다.
그래픽 최적화로 가...가버렷! (부제: 배치! 배칭을 보자!) , Batch! Let's take a look at Batching! - Unite Seoul 2016

What is LOD
28
LOD0 LOD1 LOD2
GameObject

Most read

What is HLOD
34
LOD
항상 6개의 Batch
HLOD
거리에 따라 1~6개 Batch

LOD vs HLOD
49
LOD HLOD
단위 Object Space ( Group )
배치에 영향
Bake 불필요 필요

52
— Top-Down
— Quad-tree
—
— 100 x 100
— Object

62
HLOD HLOD
848 848
3467 523
5339 320
7812 12
10002 3

HLOD
109
— Tree
— House
— Probs
Tree
House
Probs
Tree
House

HLOD
111
— Tree
–
– Transparency Material
— Building
–
– Opaque Material
— Probs
–
– Opaque Material

1,019,251 tris
113.8MB
HLOD Mesh
115
1,031,324 tris
135.6MB
House Root Mesh Tree Root Mesh

Addressable?
137
—
– Resources Folder
– Asset Bundles

Addressable
140
• 편리함
• 비동기 로딩
Resource
Folder
• App과 Asset의 분리
• Web을 이용한 원격 로딩
Asset
Bundles
• 자유로운 위치 변경
• 설정 변경 지원
개발 편의성

146
Static Batch HLOD
Batch 2897 2053 293
Tris 1.8M 1.8M 1.7M
Memory 410MB 1.40GB 774.2MB

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Unite2019 HLOD를 활용한 대규모 씬 제작 방법

2. Unity Technologies Spotlight Team Senior Engine Programmer

3. 3

4. Spotlight Team 4 — —

5. 5 — ReCore — Praey for the Gods — Tacoma — Final Fantasy XV Pocket Edition — Shadow Tactics — Battletech — ETC...

6. 6

7. 7

8. 8

9. 9

10. 10 — HLOD — HLOD — HLOD

11. 11 — HLOD — HLOD

12. 12

13. 13

14. 14

15. 15 8km x 8km

16. 16

17. 17 4km x 4km 24000 Tree 8000 House 32000 Probs

18. 18 2889 Batches 1.8M Tris

19. 19 — 여기서 모바일 버짓과 현실 비교 — 배치를 줄여야 수행 가능 — 배치를 줄여야 한다. 그래픽 최적화로 가...가버렷! (부제: 배치! 배칭을 보자!) , Batch! Let's take a look at Batching! - Unite Seoul 2016

20. 20

21. 21

22. 11655 SceneLOD 22 6

23. 23

24. 24

25. SceneLOD 25 — Runtime

26. 26 HLOD

27. 27 Hierarchical Level of Detail

28. What is LOD 28 LOD0 LOD1 LOD2 GameObject

29. What is HLOD 29 BAKE

30. What is HLOD 30

31. What is HLOD 31