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BlueRoseNote/03-UnrealEngine/卡通渲染相关资料/渲染功能/ToonReflection&GI控制/ToonReflection.md

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ToonReflection 2025-03-20 17:04:16 ⭐

反射功能相关Pass

ReflectionEnvironmentAndSky

位于IndirectLightRendering.cpp的RenderDeferredReflectionsAndSkyLighting() => AddSkyReflectionPass()

当DiffuseIndirectMethod = EDiffuseIndirectMethod::Lumen（也就是开启Lumen GI），如果反射方法为Lumen或者SSR则不会执行后续逻辑。

不开启Lumen GI，反射方法为：

  • Lumen：RenderLumenReflections()
  • Rtx Reflection：RenderRayTracingReflections()
  • SSR：ScreenSpaceRayTracing::RenderScreenSpaceReflections()

执行完上述反射方法后，最后执行AddSkyReflectionPass()

DiffuseIndirectComposite

位于IndirectLightRendering.cpp的RenderDiffuseIndirectAndAmbientOcclusion()