Dear Raymond,
Yes, your right. But I am mentioning about glReadPixels, not glReadBuffer()
I've tested using SnapImageDrawCallback class on Windows OS and it done to
create a screenshot of osgviewer, but on iOS it still return black image
reedev wrote:
> Dear Duc,
>
> If you read your own first mail with the code snippet you pasted:
>
> virtual void operator () (osg::RenderInfo& renderInfo) const
> {
> #if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE)
> glReadBuffer(_readBuffer);
> #else
> osg::notify(osg::NOTICE)<<"Error: GLES unable to do
> glReadBuffer"<<std::endl;
> #endif
>
> I guess that's clear, right?
>
> Cheers
> Raymond
>
>
Cheers
Duc
------------------
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http://forum.openscenegraph.org/viewtopic.php?p=69795#69795
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