Knowledge Base

OpenGL Diffuse Settings Revert to Default

Article ID: 164158

Article Last Modified on 11/1/2006

Microsoft Windows NT Workstation 4.0 Developer Edition
Microsoft Windows NT Server 4.0 Standard Edition

This article was previously published under Q164158

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: kbbug kbdisplay kbfix kbinterop KB164158