[Libreoffice-bugs] [Bug 126265] New: Slideshow start delayed

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=126265

            Bug ID: 126265
           Summary: Slideshow start delayed
           Product: LibreOffice
           Version: 6.4.0.0.alpha0+ Master
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Keywords: bibisectRequest, perf, regression
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: todventtu at suomi24.fi
            Blocks: 103610

Created attachment 152616
  --> https://bugs.documentfoundation.org/attachment.cgi?id=152616&action=edit
Perf flamegraph

1. Open attachment 112640
2. Press F5

Stopwatch times for slide to appear:
6.2.4: 2.8 s
6.4: 7.77 s

Flamegraph is pointing to alpha blending and unpremultiply operations.

Arch Linux 64-bit
Version: 6.4.0.0.alpha0+
Build ID: e553b3698f6d8f4f606ebe21ed9857ee09f0c057
CPU threads: 8; OS: Linux 5.1; UI render: default; VCL: gtk3; 
Locale: fi-FI (fi_FI.UTF-8); UI-Language: en-US
Calc: threaded
Built on 5 July 2019


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=103610
[Bug 103610] [META] Slide show (presentation mode) bugs and enhancements
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