// ===========================================================================
// 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.
// ===========================================================================
global proc string mayaHardwareRender(int $width, int $height, int $doShadows,
        int $doGlowPass, string $camera, string $option)     
{
    global string $gHardwareRenderSelectedFlag; 
    string $result = "";

    // If the useRenderRegion attribute is set, then 
    // we need to pass the render region to the "hwRender" 
    // command through its "-renderRegion" flag.
    //
    if (useRenderRegion())
    {
    
        int $left = `getAttr defaultRenderGlobals.left`; 
        int $right = `getAttr defaultRenderGlobals.rght`; 
        int $bottom = `getAttr defaultRenderGlobals.bot`; 
        int $top = `getAttr defaultRenderGlobals.top`; 

        // Check if the region is within the boundary.
        //
        if( $left < 0 ) 
        {
            $left = 0;
        }
        if( $bottom < 0 ) 
        {
            $bottom = 0;
        }

        catch($result = 
            `eval
                hwRender $gHardwareRenderSelectedFlag 
                    -width $width -height $height
                    -camera $camera -cf -notWriteToFile 0 -renderRegion 
                    $left $right $bottom $top`);
    }
    else
    {
        // If useRenderRegion is false, we do regular hardware
        // rendering.
        // 
        $result = `eval hwRender $gHardwareRenderSelectedFlag 
                        -camera $camera -cf -notWriteToFile 0
                        -width $width -height $height $option`; 
    }

	
    return $result;
}