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<BLOCKQUOTE>
<H1><A NAME="NAME"><A NAME="1">NAME
</A></A></H1>
<P>
<B>cgGetProgramBuffer</B> - get buffer associated with a buffer index
</P>
<H1><A NAME="SYNOPSIS"><A NAME="2">SYNOPSIS
</A></A></H1>
<PRE> #include <Cg/cg.h>
CGbuffer cgGetProgramBuffer( CGprogram program,
int bufferIndex );
</PRE>
<H1><A NAME="PARAMETERS"><A NAME="3">PARAMETERS
</A></A></H1>
<DL>
<DT><STRONG>program
</STRONG></DT>
<DD>
<P>
The program from which the associated buffer will be retrieved.
</P>
<DT><STRONG>bufferIndex
</STRONG></DT>
<DD>
<P>
The buffer index for which the associated buffer will be retrieved.
</P>
</DD></DL>
<H1><A NAME="RETURN_VALUES"><A NAME="4">RETURN VALUES
</A></A></H1>
<P>
Returns a buffer handle on success.
</P>
<P>
Returns <B>NULL</B> if an error occurs.
</P>
<H1><A NAME="DESCRIPTION"><A NAME="5">DESCRIPTION
</A></A></H1>
<P>
<B>cgGetProgramBuffer</B> returns the buffer handle associated with a given
buffer index from <B>program</B>. The returned value can be <B>NULL</B> if no
buffer is associated with this index or if an error occurs.
</P>
<H1><A NAME="EXAMPLES"><A NAME="6">EXAMPLES
</A></A></H1>
<P>
CGbuffer myBuffer = cgGetProgramBuffer( myProgram, 0 );
</P>
<H1><A NAME="ERRORS"><A NAME="7">ERRORS
</A></A></H1>
<P>
<B>CG_INVALID_PROGRAM_HANDLE_ERROR</B> is generated if <B>program</B>
is not a valid program handle.
</P>
<P>
<B>CG_BUFFER_INDEX_OUT_OF_RANGE_ERROR</B> is generated if <B>bufferIndex</B> is not within
the valid range of buffer indices for <B>program</B>.
</P>
<H1><A NAME="HISTORY"><A NAME="8">HISTORY
</A></A></H1>
<P>
<B>cgGetProgramBuffer</B> was introduced in Cg 2.0.
</P>
<H1><A NAME="SEE_ALSO"><A NAME="9">SEE ALSO
</A></A></H1>
<P>
<A HREF="cgSetProgramBuffer.html">cgSetProgramBuffer</A>,
<A HREF="cgGetParameterBufferIndex.html">cgGetParameterBufferIndex</A>,
<A HREF="cgCreateBuffer.html">cgCreateBuffer</A>
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