Photoshop + Win 7 64 Bit + Matrox M-series: no OpenGL?

Posted By
Henrik Meier
May 17, 2010
Hi. Do you have any idea if this combination is able to use OpenGL with Photoshop?

– Photoshop CS5 and CS4 64 or 32 Bit

– Win 7 64 Bit

– Matrox graphics card M9148 (M-series)

– 3 monitors, 16 GB RAM

On this machine (Win 7, 64 Bit etc.) that i just bought for good Photoshopping fun, Photoshop CS4 and CS5 with either 64 or 32 bit did NOT recognize OpenGL on the computer, the OpenGL option was dimmed-off and not accessible in the preferences.

But: The Matrox M-Series (which my M9148 is part of) officially supports OpenGL 2.0 (though not OpenGL 2.1). Also required by Photoshop is Shader Model 3 and i see no Matrox comment if that is provided.

At first the machine did not even boot with the Matrox card. I managed to talk to a Matrox technician. He said that the card had had a problem on machines with more than 4 GB RAM. He gave me a beta driver, and then the general performance was nice, but Photoshop did not recognize OpenGL. Prompted by the technician, i did the following tests:

– Disable monitors 2 and 3 and start Photoshop again on a single monitor system. Still no OpenGL.

– Test my machine with the free OpenGL Extension Viewer from Real-VR. It confirmed that Open GL 2.0 is ok on my machine, but 2.1 is not. It says it supports Shading language version 1.1 Matrox GLSL compiler.

From the internet i also read that another Matrox-M-cards supports Shader Model 3 (also required). I read that OpenGL is only supported with Matrox SE-U driver, not with the WDDM driver (but don’t understand the difference). The problem seems not to be mentioned in the "GPU" text you can open via Photoshop’s "Help" menu. The Matrox PowerDesk software doesn’t help with OpenGL things.

Thanks for all hints!

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May 17, 2010
Henrik Meier wrote:

Thanks for all hints!

I am new to Windows 7, and don’t have what you have. But I can tell you that in order to give Windows 7 a good start, you may have to provide Windows 7 with its basic requirements.

– Memory, 4GB is probably ok, but I read 8GB or more is recommended for Windows 7 64-bit. Your has 16GB (so is mine) so you are okay here.

– Graphic Card, Windows 7 requires DirectX-9 or greater. If not then Windows 7 may not be able to run some aps, and may lockup (rebooting) on something like Screensaver, Threme or similar.

– Audio card, you may and may not have problem with older audio card.

Me? I have to replace both Graphic and Audio card. Other than that I don’t have much experience to share.

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