Optional ReadonlyuseOptional ReadonlyuseOptional ReadonlyuseOptional ReadonlyuseOptional ReadonlytoneOptional ReadonlycaptureOutput the linear-HDR sample (post-bloom) and skip everything else.
Optional ReadonlycaptureSkip ONLY the final sRGB encoding step.
Compile-time configuration for megaWebGPUFactory. Mirrors the GLSL
#defineset; toggling any field triggers a re-call of the factory (which builds a new NodeMaterial).