When you open Photoshop CC (or CS6 after updating to version 13.1), the following dialog appears, and 3D functionality is unavailable.
Upgrade your video adapter or video adapter memory to at least 512 MB of VRAM.
If your video card already has 512 MB of VRAM, but you still get this error, upgrade your video adapter driver. Upgrading the driver can help ensure that the driver is letting Photoshop access all the VRAM.
Photoshop CC (or CS6 after updating to version 13.1) opens and operates with 256 MB of VRAM. 3D features, however, aren't available for use if you have less than 512 VRAM on your video adapter.
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