I am developing a multithreading (several OpenGL
viewports) application and when I want to make a copy
of the current rendering context in each thread with
wglCopyContext using TNT and GFORCE graphic cards it
returns error. I am working under Windows NT.The same
error appears when I am runing only one thread.
I check that the source rendering context is current
and that destination rendering context is not in use.
I am using the GL_ALL_ATTRIB_BITS parameter.
Thanks in advance for any help.
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