OpenGL Diffuse Settings Revert to Default

 Last reviewed: August 20, 1997
Article ID: Q164158
The information in this article applies to:
  • Microsoft Windows NT Workstation version 4.0
  • Microsoft Windows NT Server version 4.0

SYMPTOMS

When using OpenGL with Windows NT, the diffuse parameter changes back to the default when the color material changes from AMBIENT_AND_DIFFUSE to AMBIENT.

CAUSE

There is a problem in Windows NT with the above OpenGL command sequence where the diffuse material parameter is incorrect.

STATUS

Microsoft has confirmed this to be a problem in Windows NT versions 4.0. This problem was corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces): 

   S E R V P A C K

Additional query words: glEnable glMaterial glColor3f GL_AMBIENT COLOR
MATERIAL Emissive Specular
Keywords : kbbug4.00 nt32ap NTINTEROP NTSrvWkst kbdisplay kbinterop
Version : WinNT:4.0
Platform : winnt
Issue type : kbbug
Solution Type : kbfix kbservicepack

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Last reviewed: August 20, 1997
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