Rendering Techniques in Gears of War 2 - Unreal Engine

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Blood Techniques • Many y different techniques q used in combination: – Projected blood decals – Screen-space blood splatter – World World-space space particle effects – Surface-space shader effects – Fluid simulations – Morphing geometry
Blood Techniques • Movie: Riftworm heart chamber, chainsawing through , g g arteries
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 14 and 15: Data-driven Data driven Gore • Se
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 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 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
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• Downsized render target Down sa
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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
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• Static objects Last Frame Tempo
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• Newly Unoccluded pixels New Pix
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Without Temporal Filter
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Temporal Filter • Doesn’t help
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Temporal Filter Gotchas • Accurat
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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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