#6805 closed defect (fixed)

Flickering/Mosaic pattern on screen when starting the game

Reported by: berhudar Owned by: Vladislav Belov
Priority: Release Blocker Milestone: Alpha 27
Component: Core engine Keywords: flickering
Cc: Patch: Phab:D5003

Description (last modified by berhudar)

Flickering vertically on whole screen on random areas in different widthes with OpenGL (OpenGL-ARB and Vulkan with no flickering issue) when you run the a27 RC for the first time (While neither moving the screen nor cursor, in standby).

Attachments (1)

userreport_hwdetect.txt (13.3 KB ) - added by berhudar 11 months ago.

Download all attachments as: .zip

Change History (13)

comment:1 by berhudar, 11 months ago

Milestone: BacklogAlpha 27

comment:2 by Itms, 11 months ago

Hello, what does it look like? Is it looking like this or this?

If it doesn't, can you upload a screen capture?

Can you send your userreport_hwdetect.txt? You can find it in the logs, see GameDataPaths.

Thanks for the report.

comment:3 by Stan, 11 months ago

I'll wait for the answer, then close it as invalid. Having tearing when v-sync is off is expected, that's what it's used for...

https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkPresentModeKHR.html#_description

by berhudar, 11 months ago

Attachment: userreport_hwdetect.txt added

in reply to:  2 comment:4 by berhudar, 11 months ago

Replying to Itms:

Hello, what does it look like? Is it looking like this or this?

Hi, it looks like first one in the link, like this this

If it doesn't, can you upload a screen capture?

I tried to capture some screen shots but it does not appear there when you do ss.

Can you send your userreport_hwdetect.txt? You can find it in the logs, see GameDataPaths. Sure. Thanks for the report.

You are welcome.

Last edited 11 months ago by Stan (previous) (diff)

in reply to:  3 comment:5 by berhudar, 11 months ago

Replying to Stan:

I'll wait for the answer, then close it as invalid. Having tearing when v-sync is off is expected, that's what it's used for...

Screen tearing that you try to teach does not happen when your screen does not move while waiting in the starting page or a menu page. And that tearing happens while you do nothing and wait on a same page, not even moving the cursor. That's why i put it as a release blocker.

https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkPresentModeKHR.html#_description

Yes you can read this when you are free.

Last edited 11 months ago by Stan (previous) (diff)

comment:6 by Stan, 11 months ago

Screen tearing is normally this: https://www.hp.com/us-en/shop/app/assets/images/uploads/prod/Screen-tearing-during-gameplay1652682533270448.jpg?impolicy=prdimg&imdensity=1&imwidth=1000

In your case that would be a another type of graphic glitch.

We have a fix for it under way.

comment:7 by Vladislav Belov, 11 months ago

Owner: set to Vladislav Belov
Patch: a27 RCPhab:D5003
Status: newassigned

comment:8 by Itms, 11 months ago

Keywords: screen tearing removed
Summary: Screen TearingFlickering/Mosaic pattern on screen when starting the game

comment:9 by berhudar, 11 months ago

Description: modified (diff)

comment:10 by berhudar, 11 months ago

Description: modified (diff)
Keywords: flickering added

comment:11 by berhudar, 11 months ago

Cc: berhudar removed

comment:12 by Vladislav Belov, 11 months ago

Resolution: fixed
Status: assignedclosed

In 27654:

Disables framebuffer invalidating by default for GL as some drivers perform it incorrectly.

Fixes #6805

Tested By: Itms

Differential Revision: https://code.wildfiregames.com/D5003

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