Rendering Techniques in Gears of War 2 - Unreal Engine

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About Daniel Wright • Joined Epic Games in 2006 • Huge graphics nerd • OOptimized i i dgraphics hi ffor Xbox b 360, 360 PS3 S3 and d PCC
Topics p Daniel Wright • Gore techniques q • Blood techniques • Character lighting • Screen Space Ambient Occlusion optimizations
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 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 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
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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