[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 Boudewijn Rempt changed: What|Removed |Added CC||halfsp...@mail.com ---

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #41 from Dmitry Kazakov --- Git commit 3fba314ffa7fcb3d07f62be9f04fbe5ad8978286 by Dmitry Kazakov. Committed on 22/04/2016 at 15:56. Pushed by dkazakov into branch 'master'. Add a workaround for Qt's event compression

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #40 from Dmitry Kazakov --- Hi, Tyson! Still they include a better Qt than 15.10. I cannot remember what exactly, but some small Krita features are disabled on Qt 5.4 :) -- You are receiving this mail because: You are

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #39 from Tyson Tan --- Thanks! Silly me to think 16.04 would have included the newest Qt...as if they ever did! lol -- You are receiving this mail because: You are watching all bug changes.

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #38 from Dmitry Kazakov --- Hi, Tyson! Ubuntu 16.04 has Qt 5.5.1, so the problem will not happen on it at all, until Canonical decides to update it. Though atm we are discussing with people in Qt how we can workaround

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #36 from Tyson Tan --- Thank you! Please update the Krita Lime PPA so I can test them. Krita 3.0 builds are only available for 16.04 so I upgraded to it, but Krita 2.9.11 from that PPA is not installable as it requires

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 Dmitry Kazakov changed: What|Removed |Added Status|CONFIRMED |RESOLVED Latest

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #34 from Dmitry Kazakov --- Hi, Tyson! Did you compile Qt yourself or you use the system's one? Qt 5.4.2, right? The point is that the real cause of bended lines was introduced in Qt 5.6. But if you say that Qt 5.4.2

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #33 from Tyson Tan --- I mean, I built my own binaries from the source code on Ubuntu 15.10, and it still has the same problem. -- You are receiving this mail because: You are watching all bug changes.

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #32 from Dmitry Kazakov --- Well, AppImage has Qt 5.6 bundled inside :) Anyway, I'm going to work on this bug today -- You are receiving this mail because: You are watching all bug changes.

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #31 from Tyson Tan --- But I'm using Ubuntu 15.10, it has Qt 5.4.2 with it. Both AppImage and my local build had this problem, while Windows version seems to work fine. I'm not very sure about the speculation in Comment

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #30 from Dmitry Kazakov --- I got a new PC with AMD on Saturday. The first tries show that the problem is not only in AMD. It is in combination of Qt 5.6, AMD and openGL mode. Absence of any part of the equation, make

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #29 from Boudewijn Rempt --- The box is being assembled :-) -- You are receiving this mail because: You are watching all bug changes.

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #28 from Boudewijn Rempt --- 11:29:04 < dmitryK|log> boud: ok, ordered with delivery on Saturday :) 11:30:04 < dmitryK|log> boud: Tyson's recommendations are almost exactly the same as I ordered -- You are receiving this

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #27 from Tyson Tan --- GPU wise you may consider: AMD Radeon R7 360 -- basically the same chipset as AMD Firepro W5100, supports D3D 12, OpenGL 4.5 and OpenCL 2.0, with a TDP of 100W, requires a 6pin power supply. Price

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #26 from Boudewijn Rempt --- Plotted measurements: http://nonaynever.ru/pub/tablet_logging.pdf -- You are receiving this mail because: You are watching all bug changes.

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #25 from Boudewijn Rempt --- Dmitry's laptop has an amd gpu, but that doesn't work at all. We're speccing & pricing a test system now so the Foundation can buy one for Dmitry. It'll also be useful to check the other bug

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #24 from Tyson Tan --- Created attachment 98370 --> https://bugs.kde.org/attachment.cgi?id=98370=edit Recored desktop video of Krita 2.9.11 drawing when OpenGL is ON -- You are receiving this mail because: You are

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #23 from Tyson Tan --- Created attachment 98369 --> https://bugs.kde.org/attachment.cgi?id=98369=edit Recored desktop video of Krita 3.0 alpha lags when OpenGL is ON -- You are receiving this mail because: You are

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #22 from Tyson Tan --- Correction for Comment 21: When using the Appimage version, with Crosshair cursor, Brush Outline and Instant Preview, logging options all checked, Krita crashes immediately WHEN I DRAW SOMETHING.

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #21 from Tyson Tan --- Hi Dmitry, When using the Appimage version, with Crosshair cursor, Brush Outline and Instant Preview, logging options all checked, Krita crashes immediately. The terminal says "Segment fault". I

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #20 from Dmitry Kazakov --- Hi, Tyson! Can I ask you to record a video with the slowdown? Activate crosshair cursor + brush brush outline dispay, so I could see the real delay. I would also like to know, what happens

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 Boudewijn Rempt changed: What|Removed |Added Ever confirmed|0 |1

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 Dmitry Kazakov changed: What|Removed |Added CC||dimul...@gmail.com ---

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #17 from Tyson Tan --- Tested under Windows 10 x64 on my Xeon/Firepro W5100 machine. There is no slowdown or it was very hard to notice. Curves don't become straight lines. However, the slow antialiasing described in

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #15 from Tyson Tan --- I've built Krita 3.0 Alpha locally, and things behave a bit differently now: 1. Krita's performance logging still fails, but it now shows "QFSFileEngine::open: No file name specified" instead. 2.

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #14 from Boudewijn Rempt --- That actually sounds like Dmitry's logging code got broken! I'll try to investigate it on the train home from work... -- You are receiving this mail because: You are watching all bug changes.

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #13 from Tyson Tan --- I tested mostly using Fill_circle but every preset lags. I tried enabling logging but I could find the log. Krita says it saves those in , I suppose it's the same directory where I saved the .kra

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #12 from Boudewijn Rempt --- Could you make a test with performance logging and opengl logging enabled? Also, which preset are you using to test with? -- You are receiving this mail because: You are watching all bug

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #11 from Tyson Tan --- Hi Boud, that option has no effect either. As long as OpenGL is ON, I can't find any options that can alleviate the problem. If there is more test I can do, please tell me how to. -- You are

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 Boudewijn Rempt changed: What|Removed |Added CC||b...@valdyas.org ---

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 wolthera changed: What|Removed |Added CC||griffinval...@gmail.com

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #7 from Tyson Tan --- Tested on Ubuntu 15.10 64-Bit CPU: Intel® Core™ i5-3470 CPU @ 3.20GHz × 4 RAM: 15.6 GiB GPU: AMD Firepro V4900, opensource driver, Gallium 0.4 on AMD TURKS (DRM 2.43.0, LLVM 3.6.2) Krita 2.9 runs

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #6 from Tyson Tan --- Created attachment 98333 --> https://bugs.kde.org/attachment.cgi?id=98333=edit Krita 3.0 Alpha input not lagging when OpenGL is OFF with large window, tablet log -- You are receiving this mail

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #5 from Tyson Tan --- Created attachment 98332 --> https://bugs.kde.org/attachment.cgi?id=98332=edit Krita 3.0 Alpha input not very lagging when OpenGL is ON with small window, tablet log -- You are receiving this

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #4 from Tyson Tan --- Created attachment 98331 --> https://bugs.kde.org/attachment.cgi?id=98331=edit Krita 3.0 Alpha input lagging when OpenGL is ON with large window, tablet log -- You are receiving this mail

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #3 from Tyson Tan --- Created attachment 98330 --> https://bugs.kde.org/attachment.cgi?id=98330=edit Krita 3.0 Alpha input not lagging when OpenGL is OFF with large window -- You are receiving this mail because: You

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #2 from Tyson Tan --- Created attachment 98329 --> https://bugs.kde.org/attachment.cgi?id=98329=edit Krita 3.0 Alpha input not very lagging when OpenGL is ON with small window -- You are receiving this mail because:

[krita] [Bug 361619] Input event lag/drop-out when OpenGL is ON with large window

https://bugs.kde.org/show_bug.cgi?id=361619 --- Comment #1 from Tyson Tan --- Created attachment 98328 --> https://bugs.kde.org/attachment.cgi?id=98328=edit Krita 3.0 Alpha input lagging when OpenGL is ON with large window -- You are receiving this mail because: You are