Screenshot

This specifies the creation of screenshots in Equalizer

API

class View
{
    void setRecording( Frame::Buffer buffers );
    void handleEvent( ScreenshotEvent event )
    {
        _screenshot[ event.frameID ].composite( event.vp,
                                                event.imageData );
        if( _screenshot[ event.frameID ].isComplete( ))
            _screenshots.push( _screenshot[ event.frameID ]);
        // pop if queue "full" (latency+1)
    };

    Frame,frameID popRecordedImage(); // blocks potentially
};

struct ScreenshotEvent // client -> app
{
    Viewport vp; // relative to View
    uint32_t frameID;
    ImageData imageData;
};