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Deferred Shading ⇨ What if we could easily: Light each pixel (not fragment) exactly once Only apply lights to the fragments they affect Reduce per-light cost in scenes with many lights 8-December-2010 © Copyright Ian D. Romanick 2009, 2010
Deferred Shading ⇨ General idea: Render scene information needed for shading to an off-screen geometry buffer (G-buffer) Draw per-light geometry to screen sampling from G- buffer to calculate shading 8-December-2010 © Copyright Ian D. Romanick 2009, 2010
Page 1 and 2: VGP352 - Week 10 ⇨ Agenda: Mul
Page 3 and 4: MRT Uniforms Textures Varying 0 Var
Page 5 and 6: MRT - FBO Usage ⇨ Use additional
Page 7 and 8: MRT - GLSL Usage ⇨ gl_FragColor i
Page 9: Deferred Shading ⇨ Scenes with hi
Page 13 and 14: Deferred Shading - G-Buffer ⇨ Exa
Page 15 and 16: Deferred Shading - G-Buffer ⇨ Cry
Page 17 and 18: Deferred Shading - Lighting ⇨ Opt
Page 19 and 20: Deferred Shading - Lighting Light v
Page 21 and 22: Deferred Shading - Drawbacks ⇨ Wh
Page 23 and 24: References Hargreaves, S., Harris,
Page 25 and 26: Virtual Point Lights ⇨ Generate V
Page 27 and 28: Next week... ⇨ The final 8-Decemb

Lecture slides - FreeDesktop.Org

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