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GeForce GTX 1070 and 30 Bit Display Support

Forum|Forum|8 years ago
July 18, 2017
4 replies
12250 views

Good evening to all.

I have a GeForce 1070, an Eizo monitor and I'm using Windows at 30 bit without any problem.

Why is Photoshop not seeming to support it?
Is there something I can do to correcly display the "test ramp"?

Thanks a lot and have a nice evening,

Davide

This topic has been closed for replies.

Correct answer D Fosse

It's more a question of when NVidia will support it. Photoshop is ready - as long as you have a Quadro.

You can't seriously expect Adobe to dumb down Photoshop to use Direct X instead of OpenGL.

Windows has had full 30 bit support since Windows 7, there's nothing new now.

Z

ZBalling

Inspiring

Now it is supported (since 436.30 nvidia driver).

azotezAuthor

Known Participant

Thanks D Fosse!
I know that 2011 post, but I hoped that something moved on in 6 years..

Is there a chance that Adobe will add this support to the roadmap now that Windows too has the support for 10 bit?

Thank you and have a nice evening,
Davide

D Fosse

Correct answer

Community Expert

It's more a question of when NVidia will support it. Photoshop is ready - as long as you have a Quadro.

You can't seriously expect Adobe to dumb down Photoshop to use Direct X instead of OpenGL.

Windows has had full 30 bit support since Windows 7, there's nothing new now.

D Fosse

Community Expert

As it turns out, you're partly right, and I was partly wrong. 30-bit color is supported in Direct X, but not OpenGL which is what Photoshop uses. From NVidia support:

"NVIDIA Geforce graphics cards have offered 10-bit per color out to a full screen Direct X surface since the Geforce 200 series GPUs. Due to the way most applications use traditional Windows API functions to create the application UI and viewport display, this method is not used for professional applications such as Adobe Premiere Pro and Adobe Photoshop. These programs use OpenGL 10-bit per color buffers which require an NVIDIA Quadro GPU with DisplayPort connector. A small number of monitors support 10-bit per color with Quadro graphics cards over DVI."

http://nvidia.custhelp.com/app/answers/detail/a_id/3011/~/10-bit-per-color-support-on-nvidia-geforce-gpus

D Fosse

Community Expert

GeForces don't support 30-bit color, only Quadros do.

However, some applications (Lightroom for one) apply dithering to remove the visible banding - but the signal is still 8-bit.

azotezAuthor

Known Participant

Thanks D Fosse,
but that's not right.
GeForce 1070 do support 10bpc (30 bit) via DisplayPort and since Windows 10 Creators Update they are supported by the OS too..

It seems that the problem is just the CC..

T

Test Screen Name

Legend

If it's a new OS feature you'll need to wait for a new Photoshop release.

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