유니티 그래픽 최적화, 어디까지 해봤니 (Optimizing Unity Graphics) NDC15 Ver.
- 1. 그래픽 최적화 어디까지 해봤니 - Unity Field Engineer 오지현
- 2. Image : 무사, Implosion, Z-rush, 히어로즈 아레나
- 3. Bottleneck Draw Call Batching (Pros, Cons) Profiling Profiling Sample Level Of Detail Lighting (Image Based Lighting) Physically Based Rendering
- 5. Bottleneck Draw Call Batching (Pros, Cons) Profiling Profiling Sample Level Of Detail Lighting (Image Based Lighting) Physically Based Rendering
- 6. Optimization = Removing Bottleneck
- 9. CPU boundary VS GPU boundary CPU GPU Frame End Frame start
- 10. Logic AI Physics Loading GC ... CPU boundary
- 11. GPU boundary Polygon Texture Filtering Lighting Framebuffer Shader Overdraw ...
- 12. Bottleneck Draw Call Batching (Pros, Cons) Profiling Profiling Sample Level Of Detail Lighting (Image Based Lighting) Physically Based Rendering
- 13. CPU DRAW! Draw Call in a narrow sense GPU OK
- 14. CPU DRAW! TEXTURE! SHADER! VERTEX BUFFER! ALPHA BLENDING! TRANSFORM CHANGE STATES Draw Call in a broad sense GPU... USE Z-BUFFER!
- 15. CPU (App) GPU COMMAND COMMAND COMMAND COMMAND COMMAND Set Texture Set Shader Use Blending Set VBO Draw Command Buffer
- 16. +Draw Call Logic AI Physics Loading GC … CPU boundary
- 17. Bottleneck Draw Call Batching (Pros, Cons) Profiling Profiling Sample Level Of Detail Lighting (Image Based Lighting) Physically Based Rendering
- 18. Batch(in Rendering Statistics Window) = Draw Call + Setting Shader + Setting Blending + Setting Texture + Setting Vertex Buffer + ...
- 19. Batching = 1 batch for many objects
- 20. Material A Material B Mesh 1 Mesh 2 Mesh 1 Mesh 3 Batch Batch s c e n e
- 21. Asset : Top-down Sci-Fi
- 23. Static Batching do this on loading
- 24. Dynamic Batching do this on Run-time GPU Vertex BufferScene
- 25. Dynamic Batching: limitations Overhead for collecting vertices. - Not for Skinned Mesh. - Less than 300 vertices per mesh. (position, normal, uv0)
- 28. Bottleneck Draw Call Batching (Pros, Cons) Profiling Profiling Sample Level Of Detail Lighting (Image Based Lighting) Physically Based Rendering
- 29. Analyze your Bottleneck Measure correctly Average value Diverse situation Per Target Device
- 30. CPU : A5 GPU : PowerVR SGX535 Resolution : 1024 x 768 CPU : A5X GPU : PowerVR SGX543 Resolution : 2048 x 1536 Performance ? Episode of
- 32. Simple test High Polygon model VS Low Polygon model Expensive Shader VS Cheap Shader . High rez texture VS Low rez texture
- 33. Deep GPU Profile Vendor Profiler tools
- 37. iOS GPU profiler
- 38. Bottleneck Draw Call Batching (Pros, Cons) Profiling Profiling Sample Level Of Detail Lighting (Image Based Lighting) Physically Based Rendering
- 39. LG G-pad ( Adreno 320, 1920 X 1200) Deferred Render GPU Skinning MatCap Shader Lightmap 15K Polygons
- 40. Player Settings -> GPU Skinning
- 41. Skinning GPU CPU or Asset : Succubus Monster 2.0 Player Settings > Rendering
- 42. GPU : Vertex Shader Buffer GPU Skinning with Transform Feedback Open GL ES 3.0 ~
- 43. CPU : NEON Buffer CPU Skinning with NEON SIMD
- 44. NEON TM X1 + =X2 X3 X1 + =X2 X3 Y1 + =Y2 Y3 Z1 + =Z2 Z3 W1 + =W2 W3 Single Instruction Multi Data Single Instruction Single Data
- 45. GPU Skinning -> CPU Skinning -9ms
- 47. cmd > adb.exe shell setprop debug.egl.profiler 1 image : Adreno Profiler user guide
- 51. Level Of Detail Image : Infinity Tap SF
- 52. ASSET : Armored Golem Per Pixel Lit Normalmap Per Vertex Lit
- 53. LOD Plugins in Asset Store
- 54. Normalmap X 15K -> 7K Poly LOD -3ms
- 57. Image : FPS Hangar 17 FPS (57ms) iPhone 6 : PowerVR GX6450 1334 X 750
- 58. Vertex Pixel
- 59. Tile Based Deferred Rendering
- 62. 39 FPS (25ms) iPhone 6 : PowerVR GX6450 1334 X 750 SSAO SunShaft
- 63. Bottleneck Draw Call Batching (Pros, Cons) Profiling Profiling Sample Level Of Detail Lighting (Image Based Lighting) Physically Based Rendering
- 64. image : http://www.aversis.be/tutorials/vray/vray-20-gi-methods.htm
- 66. Texture Image Based Lighting Unlit lighting DiffuseWrap MatCap
- 67. Toon Shading (Diffuse Wrap)
- 68. MatCap (Material Capture) IMG : http://www.cgarena.com/freestuff/tutorials/misc/photoreal/
- 69. X ( )+ = MatCap Shading
- 71. Standard Shader PC Ver. Mobile Ver.
- 72. We are optimizing more
- 73. Use less textures ASSET : Many-Worlds
- 75. 4.6.3~
- 76. Q & A 유니티 개발자 커뮤니티 유니티허브 ozlael.oz ozlael ozlael.egloos.com Thank you