Hi folks,
imagine I have a StateAttribute which do set the
OpenGL's pipeline in some state. Now this attribute is
applied for a node and the corresponding subgraph or
only that node is rendered with this attribute.
However there is no call to disapply this attribute. I
mean how do I know which state the OpenGL's pipeline
was before this attribute was applied to restore it.
OK, as far as I see from different StateAttribute's
derivatives (FBO, Viewport, Texture, ...) there is
some default function call to set the GL's pipeline in
a predictable state (i.e. bind FBO or texture with id
0, set default viewport, ...).
However what if there is no real default state to
which to return the GL's pipeline? How to manage this?
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