https://bugs.documentfoundation.org/show_bug.cgi?id=124709
Bug ID: 124709
Summary: Black background on surrounding GL canvas after
slideshow
Product: LibreOffice
Version: 6.3.0.0.alpha0+ Master
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: bibisected, bisected, regression
Severity: normal
Priority: medium
Component: graphics stack
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Blocks: 93529
Created attachment 150720
--> https://bugs.documentfoundation.org/attachment.cgi?id=150720&action=edit
Screenshot
This requires a tiny bit of preparation: have a full-screen
hardware-accelerated browser window in the background (Firefox, Chrome, both
are fine).
- Start Impress with OpenGL enabled, in a window.
- Run full-screen presentation.
=> After finishing the presentation, the background window becomes black.
See attached screenshot, I moved the LO window a bit to reveal some of the
browser window.
Bibisected to the following commit using repo bibisect-win32-6.3. I assume
something in the GL code relied on the previous, incorrect values from the
fixed functions.
https://cgit.freedesktop.org/libreoffice/core/commit/?id=dd199ccb46c036713c704a23e137d04623936e47
author Mike Kaganski <[email protected]> 2019-02-17 16:30:55
+0300
committer Mike Kaganski <[email protected]> 2019-02-18
09:28:19 +0100
tdf#98896: GetWidth/GetHeight vs getWidth/getHeight strikes back!
Referenced Bugs:
https://bugs.documentfoundation.org/show_bug.cgi?id=93529
[Bug 93529] [META] VCL/OpenGL rendering tracker bug for 5.0+
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