// ===========================================================================
// Copyright 2018 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================
// Description:  This procedure is called to pause the ipr render
//      for maya software renderer.
//
global proc mayaSoftwarePauseIprRender(string $editor, int $pause)
{
    // If Ipr is running, toggle pause Ipr. 
    //
    if (isIprFileLoaded())
    {
        if (!$pause)
        {
            // We will unpause it by reenabling updating according 
            // to the current settings of the optionVars which 
            // specify which updating should be done.
            //
            iprEngine
                -edit
                -updateShading
                    (`optionVar -query updateShadingAndLighting`)
                defaultIprEngine;
            iprEngine
                -edit
                -updateLightGlow (`optionVar -query updateLightGlow`)
                defaultIprEngine;
            iprEngine
                -edit
                -updateShaderGlow (`optionVar -query updateShaderGlow`)
                defaultIprEngine;
            iprEngine
                -edit
                -updateMotionBlur (`optionVar -query updateMotionBlur`)
                defaultIprEngine;
        }
        else
        {
            // We will pause the tuning by disabling updating of 
            // the various aspects of an IPR image.
            //
            iprEngine
                -edit
                -updateShading false
                defaultIprEngine;
            iprEngine
                -edit
                -updateLightGlow false
                defaultIprEngine;
            iprEngine
                -edit
                -updateShaderGlow false
                defaultIprEngine;
            iprEngine
                -edit
                -updateMotionBlur false
                defaultIprEngine;
        }
    }
}