The worldspace studiolight HDR images shipped in Blender have some
black/negative pixel artifacts, mostly in the brightest areas. These
are caused by the default downscaling filter that has negative lobes,
last time they were updated/added in e9df155d53. Fix the issue by
downloading already correct resolution (1024x512) from the source,
and recompressing with the same DWA quality setting.
Co-authored-by: Steffen Dünner <steffen.duenner@gmail.com>
Pull Request: https://projects.blender.org/blender/blender/pulls/132220
These are taken from HDRI Haven (https://hdrihaven.com). Many thanks to
Greg Zaal for creating and releasing them under a CC0 license!
The HDRIs are intended to be used in the Lookdev display mode. With
1K resolution and compression they are not intended for final renders,
but it keeps the file size small and the difference is not noticeable
for lighting.
Command used for compression:
oiiotool %s --ch R,G,B -d float --compression dwab:300 -o output/%s