Proof Colors preview doesn't work on GPU (NVidia), only CPU
Illustrator CC 2017 version 21.1.0 (64 bit)
Dual Nvidia GTX 1060 cards, 6 GB VRAM (Not SLI)
Intel Core i7-6700K @ 4.00 GHz
Proof Colors preview doesn't work with GPU rendering, only on CPU.
Basically, when using GPU rendering, turning on Proof Colors and changing the proof setup to Simulate Paper Color, for example, does absolutely nothing. Document is in CMYK color mode, simulating SWOP 2, with simulate paper color activated.
When I change to CPU rendering, this works as expected. GPU rendering in InDesign and Photoshop also works as expected.
I've tried deleting Illustrator preferences, restarting, etc.
Eric
shared this idea
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Janek Bevendorff commented
Still an issue. The basic profile seems to be applied, but simulating paper colour or black ink does nothing if GPU rendering is enabled.
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Флориан Георгиев commented
It's 2022 and nothing changed ..the bug is still there :(
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Jesus Quero
commented
yes, 2020 and they still don't fix it
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Mark Gould
commented
It's not just Nvidea... I have a stock 2017 5k Imac and can't just swap out my graphics card. I never had performance or color shift problems until this latest release.
Illustrator runs fine in GPU view mode, but slows down incredibly in CPU preview mode, to the point where using the app (on a modern mac) becomes impossible. The problem is, the colors shift from what they actually are in GPU preview mode to the point where if you choose and use color carefully you can't trust what you're seeing in GPU mode.
This affects a lot of professional users who rely on good color and I hope you will attend to this soon.
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jayse
commented
I believe I'm having the same issue - in AI 18 with 1080gtx, Win 10
But in MY case - I LOVE that it doesn't work. I'm trying to do white graphics over black background. Usually when I set paper to black - white doesn't show up. But because of this bug - it works perfect. Please enable an option to show white on black paper (for screen/rgb work.) Otherwise I have to draw a black box on every art-board and then turn it off on export - super annoying.
