如何 Photoshop CS4 裡 enable opengl drawing ?

如果GPU settings是灰色,要download registry script :

On Windows:

    * Close Photoshop CS4.
    * Navigate to the Adobe Download site: http://www.adobe.com/support/downloads/detail.jsp?ftpID=4056
    * Download the Adobe Photoshop CS4 GPU Optional Plug-ins file.
    * Double-click this file, and choose to unzip the files into a location you'll remember.
    * Optional: create a Windows restore point or back up your registry before you run these registry scripts.
    * Double-click the Disallow_OpenGLWindows_ON_D.reg file. Confirm that you want to add the information to your registry.

      Note: When you run this script, it makes a small change to your registry.
    * Restart Photoshop.

Note: To remove this functionality, double-click the Disallow_OpenGLWindows_OFF.reg file.

Important: If you install a new driver that solves the problem, double-click the Disallow_OpenGLWindows_OFF.reg file.
Solution 2: Allow Old GPUS.
If OpenGL features don't work in Photoshop, and the Enable OpenGL Drawing option in Preferences > Performance is unchecked and dimmed, this plug-in (Mac OS) or registry script (Windows) allows Photoshop to talk to the card so you can test a new display driver. Please see Additional Information for the appropriate use of these files.

試過上面d方法 禁過哂都唔得 點算?
我用 hd 4890
thx!

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