https://bugs.kde.org/show_bug.cgi?id=510759
Bug ID: 510759
Summary: Chromium brightness is inversly related to HDR
brightness on wayland
Classification: Plasma
Product: kwin
Version First 6.4.5
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 185884
--> https://bugs.kde.org/attachment.cgi?id=185884&action=edit
Comparison
SUMMARY
If chromium uses WP_COLOR_MANAGER_V1_RENDER_INTENT_PERCEPTUAL it's wayy to dark
and its brightness is inversly related to HDR brightness on wayland
Specifically this is a side effect of:
https://chromium.googlesource.com/chromium/src/+/78295f48c220860f587ce266227e0011d9a3ec41
which fixes https://issues.chromium.org/issues/449170664
The change was to replace WP_COLOR_MANAGER_V1_RENDER_INTENT_RELATIVE with
WP_COLOR_MANAGER_V1_RENDER_INTENT_PERCEPTUAL
STEPS TO REPRODUCE
1. Have a HDR display with
2. Open a chromium version containg the mentioned commit
3. Observe it's way too dark
OBSERVED RESULT & EXPECTED RESULT
See the attached comparison image. On the left, the affected version, on the
right the unaffected version.
SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.19.0
Qt Version: 6.10.0
Kernel Version: 6.16.12-1-MANJARO (64-bit)
Graphics Platform: Wayland
Processors: 16 × 12th Gen Intel® Core™ i7-12650H
Memory: 32 GiB of RAM (31.0 GiB usable)
Graphics Processor 1: Intel® Graphics
Graphics Processor 2: NVIDIA GeForce RTX 3060 Laptop GPU
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: Vivobook_ASUSLaptop N7601ZM_N7601ZM
System Version: 1.0
ADDITIONAL INFORMATION
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