Different color with/without postprocessing on example

[CesarVonc]

Description

The Postprocessing Afterimage example shows different color of the cube when we enable/disable the postprocessing effect :
https://threejs.org/examples/?q=postprocess#webgl_postprocessing_afterimage

The render is brighter when the effect is enabled.

Reproduction steps

1. Open https://threejs.org/examples/?q=postprocess#webgl_postprocessing_afterimage
2. Set Value to 0
3. See render
4. Disable the effect
5. The render color is different

Code

// code goes here

Live example

• https://threejs.org/examples/?q=postprocess#webgl_postprocessing_afterimage

Screenshots

Version

r153

Device

Desktop

Browser

Chrome

OS

Windows

[Mugen87]

The usage of MeshNormalMaterial is a bit confusing in this context since it uses no inline sRGB output conversion. However, when applying color space conversion via post-processing, the entire image is honored.