Rendering Techniques in Gears of War 2 - Unreal Engine

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Data-driven Data driven Gore • Set up p in the Unreal Editor • Only used for really big enemies (e.g. Brumak) • Used as visual “damage states” – Not necessarily to break off whole limbs • Gore pieces stacked on top of each other – Break “armor armor pieces pieces” , damage flesh, flesh etc. etc • Hit-points, impact radius, dependency links (leaf first), etc
Data-driven ata d e Go Gore, e, 1 oof 3
Page 1 and 2: Rendering Techniques in Niklas Smed
Page 3 and 4: About Gears of War 2 • 93% Metacr
Page 5 and 6: Topics p Niklas Smedberg • Gore t
Page 8 and 9: • Goals: Gore Goals - No seams be
Page 10 and 11: Locust gore mesh • Picture: Locus
Page 12 and 13: Elaborate gore mesh • Picture: Ub
Page 16 and 17: Data-driven ata d e Go Gore, e, 2 o
Page 18 and 19: Scripted Gore • Set up p in ggame
Page 20 and 21: Data-driven Data driven gore #1 •
Page 22 and 23: • Screenshot: Meatshield 3 Data
Page 28 and 29: • Movie: Chainsaw Scripted gore
Page 30 and 31: Blood Techniques • Many y differe
Page 32 and 33: Decal Features • Decal system y m
Page 34 and 35: Decal Optimizations • One drawcal
Page 36 and 37: Blood Smears, , 1 of 4
Page 38 and 39: Blood Smears, , 3 of 4
Page 40 and 41: Screen-space Screen space Blood Eff
Page 42 and 43: Surface‐space Surface space Blood
Page 44 and 45: Fluid Simulation • Using g our Un
Page 46 and 47: Blood Techniques • Movie: Riftwor
Page 48 and 49: Blood Techniques • Movie: Riftwor
Page 50 and 51: About Daniel Wright • Joined Epic
Page 52 and 53: • Gore techniques q • Blood tec
Page 54 and 55: Background g • Hundreds of static
Page 56 and 57: Background g - Some of these are do
Page 58 and 59: Background • Hundreds of static l
Page 60 and 61: Incident Lighting Representation
Page 62 and 63: Creating the Light Environment •
Page 64 and 65:
Applying the Light Environment •
Page 66 and 67:
Page 68 and 69:
Page 70 and 71:
Dominant light Character Shadowing
Page 72 and 73:
In Conclusion • Combine relevant
Page 74 and 75:
Topics p Daniel Wright • Gore tec
Page 76 and 77:
Screen Space Ambient Occlusion RRev
Page 78 and 79:
Screen Space Ambient Occlusion RRev
Page 80 and 81:
Baseline • 720p, 16 occlusion sam
Page 82 and 83:
• Motivation Screen Space Ambient
Page 84 and 85:
• Reduce neighbor samples Occlusi
Page 86 and 87:
• Downsized render target - AO is
Page 88 and 89:
• Downsized render target Down sa
Page 90 and 91:
Results
Page 92 and 93:
Temporal Filter • Filter the occl
Page 94 and 95:
Temporal Filter • Reverse Reproje
Page 96 and 97:
Temporal Filter • Reverse Reproje
Page 98 and 99:
• Static objects Last Frame Tempo
Page 100 and 101:
• Newly Unoccluded pixels New Pix
Page 102 and 103:
Without Temporal Filter
Page 104 and 105:
Temporal Filter • Doesn’t help
Page 106 and 107:
Temporal Filter Gotchas • Accurat
Page 108 and 109:
Computation Masking • Pixels with
Page 110 and 111:
• Distant pixels Computation Mask
Page 112 and 113:
In Conclusion • Use Reverse Repro
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Rendering Techniques in Gears of War 2 - Unreal Engine

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