Problem summary
View Transform's Luminance component mode turns the Canvas background black
Customer reported version
Mari 4.8v1
Customer reported platform
Linux
Steps to reproduce
1) Launch Mari and open any project (ensure that there is no Environment Light texture being displayed)
2) Switch the View Transform Component to Luminance
Expected behaviour
The luminance values of the model (and environment light texture if enabled) should be displayed:
Actual behaviour
The Canvas' background turns black (note that in Mari 4.8 and 5.0, RGB values will also still be displayed due to bug ID 511745):
Workaround
Unknown.
Reproduced by support
This bug has been reproduced in:
Mari 5.0v3 - Windows 10 - CentOS 7.9
Mari 4.8v3 - Windows 10
Mari 4.8v1 - Windows 10 - CentOS 7.9
Mari 4.7v1 - Windows 10
Mari 4.6v2 - Windows 10 - CentOS 7.9 - regression
Unable to reproduce bug in:
Mari 4.6v1 - Windows 10 - CentOS 7.9
Earliest version tested
Mari 4.6v1 - This issue doesn't appear in this version and has regressed
