Description: Seen on kubuntu linux 17.4 64bit with intel graphics (haswell mobile) and latest intel graphics stack (from git and dedicated ubuntu ppa). In LibO 5.3.x impress, the fade smoothly transition works perfectly on this hardware and software configuration. In LibO 5.4.x it does not, as the screen flashes briefly during the transition. Steps to Reproduce: 1. Set up presentation with fade->smoothly transition between slides (I have a 0.5 sec duration for the effect, but it should not make any difference) 2. Play the same presentation, both with LibO 5.3 impress and LibO 5.4 impress 3. Notice that the fade transition is smooth only with 5.3 Actual Results: Notice that the fade transition is non smooth with 5.4 Expected Results: The fade transition should be smooth as it is with 5.3 Reproducible: Always User Profile Reset: No Additional Info: [Information automatically included from LibreOffice] Locale: en-US Module: PresentationDocument [Information guessed from browser] OS: Linux (All) OS is 64bit: yes Builds ID: LibreOffice 5.4.1.1 User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0
Created attachment 135609 [details] Test case To test: 1) please play the presentation multiple times, as the issue is erratic (but frequent enough to occur a few times in a realistic presentation with 20-40 slides). 2) note that the issue seems to occur more frequently (at all) only if the presentation contains images or other graphical elements.
Could you please create a screencast showing the problem?
Created attachment 135615 [details] Screen recording LibO 5.3
Created attachment 135616 [details] Screen recording LibO 5.4
... and here the matter becomes "interesting". Because with simplescreenrecording on, the glitch appears with LibO 5.3 but not with 5.4, just the opposite of what I see when the recording is off...
Created attachment 135617 [details] camera recording LibO 5.4
Created attachment 135618 [details] Camera recording LibO 5.3
While you can correctly see the issue when pointing a mobile phone camera at the screen. Here, you see the glitch with 5.4 and not with 5.3.
It would be better if your screencast was done with the test case you provided. Best regards. JBF
I know... but I had erased my test case, had an adsl failure and could not re-download it when I had time to test, so I used a set of slides I had at hand to prepare the recording... Sorry about that.
I repro on the first try. I also have intel graphics (Skylake) Arch Linux 64-bit, KDE Plasma 5 Version: 6.0.0.0.alpha0+ Build ID: 4082b5874adddedf8332fe977b6bb47b6949b302 CPU threads: 8; OS: Linux 4.12; UI render: default; VCL: kde4; Locale: fi-FI (fi_FI.UTF-8); Calc: group Built on August 31st 2017
*** Bug 115650 has been marked as a duplicate of this bug. ***
(In reply to Buovjaga from comment #11) > I repro on the first try. I also have intel graphics (Skylake) > > Arch Linux 64-bit, KDE Plasma 5 > Version: 6.0.0.0.alpha0+ > Build ID: 4082b5874adddedf8332fe977b6bb47b6949b302 > CPU threads: 8; OS: Linux 4.12; UI render: default; VCL: kde4; > Locale: fi-FI (fi_FI.UTF-8); Calc: group > Built on August 31st 2017 Funny, now I do not reproduce this (with Sergio's file), but there is a new bug in town: bug 118649 Sergio might want to re-test and comment on the latest state. Arch Linux 64-bit Version: 6.0.5.2 Build ID: 6.0.5-1 CPU threads: 8; OS: Linux 4.17; UI render: default; VCL: kde4; Locale: fi-FI (fi_FI.UTF-8); Calc: group Arch Linux 64-bit Version: 6.2.0.0.alpha0+ Build ID: 860a9daf2b45942a4b10ff22d36aa3fe29be19f4 CPU threads: 8; OS: Linux 4.17; UI render: default; VCL: gtk3; Locale: fi-FI (fi_FI.UTF-8); Calc: group threaded Built on July 14th 2018
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Gone in latest LibO. Thanks.