Presentation in pdf format - University of Minnesota Duluth

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Sorting & Blending on the GPU Why is sorting required ? Objects are drawn in a sequence which is provided by the user in his code Problem with transparent objects blocking objects behind them Video (unsorted particles.mov) 8
Sorting of Snow Particles Sort the particles based on each individual particle’s distance from the eye Euclidean Distance Quick Sort Sorting done by CPU Maps with GPU memory every frame to sort Map the particle positions from the vertex buffer to CPU memory 9
Page 1 and 2: Siddharth Deokar Graduate Research
Page 3 and 4: Problem Overview (The Big Picture)
Page 5 and 6: Background GPU Why GPU ? Many S
Page 7: System Overview Sorting & Blending
Page 11 and 12: GPU Sort Implemented by Govindaraj
Page 13 and 14: GPU Sort Continued… (Bitonic Sort
Page 15 and 16: GPU Sort Continued… Applying GPU
Page 17 and 18: Additive Blending Alternative to s
Page 19 and 20: Aggregate Snow Effects Snow partic
Page 21 and 22: Aggregation: Snow Density 21
Page 23 and 24: High Dynamic Range Rendering Our v
Page 25 and 26: HDR Rendering Continued… Render u
Page 27 and 28: HDR Rendering Continued… Final I
Page 29 and 30: Transparency Gaussian Function Gi
Page 31 and 32: Shapes for snow particles continued
Page 33 and 34: Scattering Ray Tracing Tracing pa
Page 35 and 36: Scattering Video (scattering.mov)
Page 37 and 38: Results Continued… GPU Sort (Wit
Page 39 and 40: Results Continued… Snow Model O
Page 41 and 42: Snow Model Video (snow.mov) 41
Page 43 and 44: Conclusion A snow domain which is
Page 45: Thank You Questions ?

Presentation in pdf format - University of Minnesota Duluth

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