S4552-rt-voxel-based-global-illumination-gpus

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CONE TRACING BASICS• Several cones are traced from every visible surface• A cone marches through the clipmap accumulating:— transparency (1-opacity)— <strong>illumination</strong> (emittance * transparency)Each sample is takenfrom a coarser LODthan the previous one. 10transparency<strong>illumination</strong>44
DIFFUSE AND SPECULAR CONE TRACINGDiffuseRough SpecularnFine Specularn45
Page 3 and 4: WHAT IS GLOBAL ILLUMINATION?Here is
Page 5 and 6: WHAT IS GLOBAL ILLUMINATION?Here is
Page 7 and 8: OUR SOLUTION• Dynamic approximati
Page 9 and 10: SCREENSHOTS: GI9
Page 11 and 12: SCREENSHOTS: GI11
Page 13 and 14: SCREENSHOTS: FLAT AMBIENT13
Page 15 and 16: SCREENSHOTS: VOXEL-BASED AMBIENTThe
Page 17 and 18: OUR INNOVATION: 3D CLIPMAP• We st
Page 19 and 20: UPDATING THE CLIPMAP DATAYYNew exte
Page 21: INCREMENTAL UPDATES: CLIPMAP MOVESW
Page 24 and 25: VOXELIZATION FOR OPACITY1. We have
Page 26 and 27: VOXELIZATION FOR OPACITY3. Rasteriz
Page 28 and 29: VOXELIZATION FOR OPACITY5. Repeat t
Page 30 and 31: VOXELIZATION: SCENE GEOMETRY30
Page 32 and 33: VOXELIZATION: OPACITY32
Page 34 and 35: VOXELIZATION: DOWNSAMPLING 234
Page 36 and 37: VOXELIZATION FOR EMITTANCE• Alias
Page 38 and 39: MULTI-RESOLUTION VOXELIZATIONVoxeli
Page 40 and 41: LIGHT INJECTION ALGORITHMS• Simpl
Page 42 and 43: LIGHT INJECTION ALIASINGSlight chan
Page 46 and 47: SPARSE DIFFUSE CONE TRACING• Diff
Page 48 and 49: PERFORMANCE• Full GI is practical
Page 50 and 51: CONCLUSION• Fully dynamic GI beco
Page 52 and 53: BACKUP52
Page 54 and 55: SPARSE DIFFUSE CONE TRACINGEvery 4
Page 56: SPECULAR BANDING REMOVALBanding in

S4552-rt-voxel-based-global-illumination-gpus

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