Inferred Lighting
- 1. Inferred Lighting:Fast Dynamic lighting and shadows for opaque and translucent objectsoriginal paper by Scott Kircher, Alan Lawrancehttp://cafe.naver.com/shader蠏 (guardin@naver.com)
- 2. Forward Rendering襷 殊危(dynamic lighting)殊危瑚 襷讌 襦 焔レ 蠍蟆 讌れ 讌(material) る語 殊危螻 蠏碁殊 MSAA
- 3. Deferred ShadingGeometry Pass譟磯 螻一 焔(Color, Depth, Normal, Specular) 覯殊 狩 蠍一 れ(G-Buffer) 襷Light Pass螳螳 譟磯 覦 曙れ 殊危 覯殊 れ襦 覲伎企 曙襷 殊危
- 5. Deferred Shading襷 殊危(dynamic lighting) 焔ルれ 讌(material) 企れ る語 殊危螻 蠏碁殊 MSAA 讌 覦讌 覈詩*
- 6. Light Pre-Pass RenderingGeometry Pass譟磯 螻一 焔(Depth, Normal) 豕 覯殊 狩 蠍一 れ(G-Buffer) 襷
- 7. Light Pre-Pass RenderingLight Pass螳螳 譟磯 覦 曙れ 殊危 覯殊 狩 蠍一 れ(L-Buffer) 襷
- 8. Light Pre-Pass RenderingMaterial Pass 覯殊 Forward Rendering 覃伎 L-Buffer 蟆郁骸襯 谿語＾ L-Buffer * Material襦 豕譬 color螳 螻壱.
- 9. Light Pre-Pass Rendering襷 殊危(dynamic lighting) 焔*れ 讌(material) る語 殊危螻 蠏碁殊 MSAA*
- 10. Inferred Lighting襷 殊危(dynamic lighting) 焔ルれ 讌(material) る語 殊危螻 蠏碁殊 MSAA
- 11. Main Idea伎/螻伎(mixed) 覯朱ゼ Geometry PassG-Buffer襯 Back Buffer覲企 伎襦 襷Light PassG-Buffer襯 伎 殊危 蟆郁骸襯 L-Buffer 襷Material PassScene Forward Rendering覃伎 L-Buffer 蟆郁骸 Material . (Up Sampling)DSF(Discontinuity Sensitive Filtering)襯 伎 伎->螻伎襦 up-sampling
- 12. Inferred LightingGeometry Pass: 800x450Light Pass: 800x450Material Pass: 1280x720, 8x MSAA
- 13. DSF (Discontinuity Sensitive Filtering)伎->螻伎 up-sampling 覃伎 蠏轟 edge aliasing 覦Bilinear filterDSF
- 15. Determining Lighting Sample Validitynormal螻 depth襯 觜蟲Bilateral filteringSlowTwo textures
- 16. Nonlinear depth
- 17. Normal reconstructionDSF BufferLinear Depth (red)Object/Instance ID (green)Normal Group ID (blue)Single ID in DSF buffer (DSF ID)
- 18. Using DSF BufferAlbedo, etcDepth ID襯 觜蟲.bias bilinear filtering weightsmaterial 覲伎 蟆壱DepthDSF IDPixel ShaderFetchFetch
- 19. Light Pre-Pass Rendering (33fps)DSF
- 21. Inferred Lighting vs. Forward Rendering101 objects, 81 lights. (xbox360)Inferred Lighting: 29.4ms (34fps)Forward Rendering: 167ms (6fps)
- 22. Referenceshttp://graphics.cs.uiuc.edu/~kircher/publications.html[GDC04] Deferred Shading (Shawn Hargreaves)