Bug 301434

Summary: [HDR] Enable the feature flag HDRAcceleratedApplyGainMapEnabled
Product: WebKit Reporter: Said Abou-Hallawa <sabouhallawa>
Component: ImagesAssignee: Said Abou-Hallawa <sabouhallawa>
Status: RESOLVED FIXED    
Severity: Normal CC: sabouhallawa, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on: 312198, 312933, 313600, 313601, 313602, 314452    
Bug Blocks:    

Said Abou-Hallawa
Reported 2025-10-24 10:09:43 PDT
Because of sandboxing, accelerated image decoding is disallowed. Applying the HDR gain map in the unaccelerated code path is inherently slow. Moving the HDR gain map from WebProcess to GPUProcess and applying it to the SDR image there should benefit from using the accelerated code path.
Attachments
Radar WebKit Bug Importer
Comment 1 2025-10-24 10:10:51 PDT
Said Abou-Hallawa
Comment 2 2025-10-24 11:21:40 PDT
Said Abou-Hallawa
Comment 3 2025-10-24 11:36:58 PDT
Said Abou-Hallawa
Comment 4 2026-04-15 10:53:38 PDT
Said Abou-Hallawa
Comment 5 2026-05-08 17:56:08 PDT
Let's make this bug just for enabling the feature flag HDRAcceleratedApplyGainMapEnabled. The remaining work is tracked by bug 314452.
Said Abou-Hallawa
Comment 6 2026-05-09 10:41:10 PDT
EWS
Comment 7 2026-05-15 16:39:12 PDT
Committed 313341@main (02ee8d8ba70b): <https://commits.webkit.org/313341@main> Reviewed commits have been landed. Closing PR #64616 and removing active labels.
Note You need to log in before you can comment on or make changes to this bug.