bool _fboDownload()
{
const SystemWindow* sysWindow = _channel->getWindow()->getSystemWindow();
const util::FrameBufferObject* fbo = sysWindow->getFrameBufferObject();
if( !fbo || fbo->getColorTextures().size() != 1 )
return false;
const util::Texture* texture = fbo->getColorTextures().front();
const PixelViewport& pvp = _channel->getPixelViewport();
if( texture->getWidth() != pvp.w || texture->getHeight() != pvp.h )
return false;
texture->download( buffer.getData( ));
return true;
}
void make_context_current() { _channel->getWindow()->makeCurrent(); }