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fxxjdedd / simple-webgl-renderer

deferred-rendering webgl renderer
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Support SSGI pass #19

Open fxxjdedd opened 2 months ago

fxxjdedd commented 4 days ago

implement route：HBAO -> GTAO -> SSGI

HBAO: https://developer.download.nvidia.cn/presentations/2008/SIGGRAPH/HBAO_SIG08b.pdf

GTAO: https://www.activision.com/cdn/research/Practical_Real_Time_Strategies_for_Accurate_Indirect_Occlusion_NEW%20VERSION_COLOR.pdf

SSGI: https://cybereality.com/screen-space-indirect-lighting-with-visibility-bitmask-improvement-to-gtao-ssao-real-time-ambient-occlusion-algorithm-glsl-shader-implementation/