.TH "SoContextHandler" 3 "Sat Oct 12 2013" "Version 4.0.0a" "Coin" \" -*- nroff -*-
.ad l
.nh
.SH NAME
SoContextHandler \- 
.PP
The \fBSoContextHandler\fP class is for now to be treated as an internal class\&.  

.SH SYNOPSIS
.br
.PP
.PP
\fC#include <Inventor/misc/SoContextHandler\&.h>\fP
.SS "Public Types"

.in +1c
.ti -1c
.RI "typedef void \fBContextDestructionCB\fP (uint32_t contextid, void *userdata)"
.br
.in -1c
.SS "Static Public Member Functions"

.in +1c
.ti -1c
.RI "static void \fBdestructingContext\fP (uint32_t contextid)"
.br
.ti -1c
.RI "static void \fBaddContextDestructionCallback\fP (ContextDestructionCB *func, void *closure)"
.br
.ti -1c
.RI "static void \fBremoveContextDestructionCallback\fP (ContextDestructionCB *func, void *closure)"
.br
.in -1c
.SH "Detailed Description"
.PP 
The \fBSoContextHandler\fP class is for now to be treated as an internal class\&. 

\fBSince:\fP
.RS 4
Coin 2\&.0 
.RE
.PP

.SH "Member Function Documentation"
.PP 
.SS "void SoContextHandler::destructingContext (uint32_tcontextid)\fC [static]\fP"
This method \fImust\fP be called by client code which destructs a context, to guarantee that there are no memory leaks upon context destruction\&.
.PP
This will take care of correctly freeing context-bound resources, like OpenGL texture objects and display lists\&.
.PP
Before calling this function, the context \fImust\fP be made current\&.
.PP
Note that if you are using one of the standard GUI-binding libraries from Kongsberg Oil & Gas Technologies, this is taken care of automatically for contexts for canvases set up by SoQt, SoWin, etc\&. 
.SS "void SoContextHandler::addContextDestructionCallback (ContextDestructionCB *func, void *closure)\fC [static]\fP"
Add a callback which will be called every time a GL context is destructed\&. The callback should delete all GL resources tied to that context\&.
.PP
All nodes/classes that allocate GL resources should set up a callback like this\&. Add the callback in the constructor of the node/class, and remove it in the destructor\&.
.PP
\fBSee Also:\fP
.RS 4
\fBremoveContextDestructionCallback()\fP 
.RE
.PP

.SS "void SoContextHandler::removeContextDestructionCallback (ContextDestructionCB *func, void *closure)\fC [static]\fP"
Remove a context destruction callback\&.
.PP
\fBSee Also:\fP
.RS 4
\fBaddContextDestructionCallback()\fP 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for Coin from the source code\&.