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Shader on Unity @Lit!関西LT会
- 1. Shader on Unity 20 1 7 0 9 2 1 S A K U R A G I Y O S H I M A S A
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- 6. Introduction : Shader. ProgrammableShader Problem : Approach : Shader Experiment : Application : Discussion Contents
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- 8. Shader Programmable shader →Shader . GPU . Rendering Pipeline in Unity : http://elringus.me/blend-modes-in-unity/
- 9. Programmable Shader 3D . VERTEX FRAGMENTSURFACE Unity .( ) V/F shader Rendering Pipeline in Unity : http://elringus.me/blend-modes-in-unity/
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- 11. Example : Vertex/w S https://vimeo.com/235104527
- 12. https://github.com/SakuragiYoshimasa/shader_test_unity Vertex Shader VertexStream , . Fragment Shader . Surface Shader . Summary of Introduction
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- 16. Approach xyz rgb, . Index RenderTexture . Shader RenderTexture . Graphics.DrawMeshInstancedIndirect Read from Render Texture Write to Render Texture Shader
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- 18. Task Setting Sphere 100 *100 10000 Shader Instantiate Update statistics
- 19. Shader : T1 SetPasscall FPS . 10000 .
- 20. Shader : T2 RenderTextureRenderTexture
- 21. Shader : T2 RenderTextureRenderTexture 100*100 RT v u1.0 1.0 100 100 Example: unity_InstanceID = 5050 u = float(5050 / 100) / 100.0 = 0.5 v = float(550 % 100) / 100.0 = 0.5 RGB = (r, g, b) offset .
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- 25. 2 5 Unity AnimationSkinnedMesh Verts : 5(div)*33(seg)*4096
- 26. 2 6 Unity SkinnedMeshAnimation World Shader Vertex Baking
- 27. 2 7 Shader VertexBaking Camera Replaced Shader Rendering * * https://docs.unity3d.com/Manual/SL-ShaderReplacement.html 0 1 2 3 4 5 Position Buffer ( Render Texture) Normal Buffer ( Render Texture) Rendering 0 1 2 3 4 5 0 1 2 3 4 5 . Unite2017 .
- 28. 2 8 Shader VertexBaking Camera Replaced Shader Rendering * * https://docs.unity3d.com/Manual/SL-ShaderReplacement.html Rendering PositionExtractShader
- 29. 2 9 Shader VertexBaking *1 texture .
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- 31. 3 1 . , , . index, . Compute Shader
- 32. 3 2 Compute Shader: shader . Mac OS Metal API . .
- 33. 3 3 Buffer ComputeShader ThreadID Dispatch
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- 35. 3 5 . Graphics.DrawMeshInstancedIndirect 4096 positionBuffer, rotationBuffer World .
- 36. 3 6 : , 533 . ID .
- 37. 3 7 : VertexShader ID , ID
- 38. 3 8 : VertexShader
- 39. 3 9 : VertexShader ,
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- 41. 4 1 UP , RTVJ, , . ( Unite .) C . Graphic.Blit RenderTexture Shader , Kodelife Atom Shader .
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- 43. Thank You ForListening!