EEVEE: Depth Of Field produce glitches on high resolution renders #72489
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Reference: blender/blender#72489
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System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: AMD Radeon VII ATI Technologies Inc. 4.5.13586 Core Profile Context 19.12.2 26.20.15002.61
Blender Version
Broken: version: 2.81 (sub 16), branch: master, commit date: 2019-12-04 11:32, hash:
f1aa4d18d4
Worked: (optional)
Short description of error
Hi,
EEVEE gives glitched results when I render 2160P, however, If I turn depth of field off, glitches generally disappears. I have not experienced this on 1080P resolutions. A someone from Blenderartists I talked with also confirmed this issue.
I suppose this is not a vram capacity related issue because I even tested it on my old laptop with Geforce 650M and it rendered just fine.
Besides, I realised that after using vram with EEVEE, it doesn't go back to lower level, almost stays same and it looks that amount of vram is still in use while on idle according to AMD software. I am using Radeon Adrenaline 2020 to monitor GPU usage. I hope there is a easy fix for this.
Exact steps for others to reproduce the error
I am sending you the rendered image and the .blend file. You can find the glitch on the upper left corner. Please, have a look.
Thank you in advance.
Best wishes,
glitch.blend
Added subscriber: @egementncr
Added subscriber: @Lattapotta
That glitch doesn't happen with my Nvidia Geforce 1080 at least. Cannot confirm/disproof Vram leak.
(Sometimes rendering with the "Render Viewport Image" yields different results and fixes some glitches for me at least. :D Try it, if you are in a hurry.)
Added subscriber: @Jeroen-Bakker
It seems that viewport render doesn't have these glitches. (even with the same sample count). I will do more research on it.
Yes, viewport seems ok. I just turned depth of field off totally for now to continue rendering :)
Can you please also confirm that whether vram usage decrease after rendering on EEVEE with nvidia or not? I am not sure if this is a monitoring software issue.
One more problem I am having: With the same scene and almost same amount of vram, EEVEE causes lag much more than Cycles GPU on my screen. Is this how it is supposed to be ?
Added subscriber: @bigbad
I'm on windows 10 home. AMD r390x 8GB. 24GB ram. i7 5820k 4GHZ. Everything latest drivers.
Did a render animation. It seems when the blur of the dof increases the artifacts increases.
https://www.youtube.com/watch?v=ATdRcpskTzM
bug0001-7200.mkv
Added subscriber: @YAFU
Apparently for some reason this report is not visible to those visitors not logged in to the site.
Edit:
I am thinking, perhaps an intentional decision of the author because the shared scene.
This bug is still present on AMD GPUs in the new version of Blender 2.82. It's kinda render breaking as most animation today needs to be 4k and with DoF. Especially since AMD Cycles has gotten so slow it is not worth using it at all, one needs to go with Eevee because of the speed. Is there any hint why this is happening at all with AMD cards? Is it the OpenGL? Doing post process DoF works in compositing and then there are no bugs. It's just slower and harder to control.
glitches appear on EEVEEto EEVEE: Depth Of Field produce glitches on high resolution rendersAdded subscriber: @fclem
Changed status from 'Confirmed' to: 'Resolved'
This is fixed by the new DOF implementation.