yinkaile 2youyou2
2youyou2
/ gist:d2244f33c28e1eb20cff2e302b50c796
Created
December 17, 2020 09:35
unreal 4.25 subsurface shader 流程
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| - ShadowProjectionPixelShader.usf/Main (画阴影到 Common.ush/LightAttenuationTexture 中) | |
| - SSSTransmission = ManualPCF(ShadowPosition.xy, Settings); （输出到 FadedSSSShadow） | |
| - OutColor = EncodeLightAttenuation(half4(FadedShadow, FadedSSSShadow, FadedShadow, FadedSSSShadow)) （最终输出） | |
| - BasePassPixelShader.usf/FPixelShaderInOut_MainPS (画基本物体的 pass) | |
| - 调用 MaterialTemplate.ush 提供的方法（材质蓝图会根据 MaterialTemplate.ush 填充对应的方法） | |
| GetMaterialBaseColor | |
| GetMaterialMetallic | |
| GetMaterialSpecular |
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| ## USD 格式 特色 |