Polygon won't fill in Google Earth

I am having difficulty getting Google Earth to fill in polygons. The outline of the polygon is displayed, but it is not filled in. I have found other similar questions where the fix is to remove innerBoundaryIs tags, or to remove loops in the boundary, but I don't think either of those fixes are relevant here.

<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2" xmlns:kml="http://www.opengis.net/kml/2.2" xmlns:atom="http://www.w3.org/2005/Atom">
<Document>
        <name>polygon3.kml</name>
        <Style id="examplePolyStyle">
                <PolyStyle>
                        <color>ffffff00</color>
                        <outline>0</outline>
                </PolyStyle>
        </Style>
        <StyleMap id="examplePolyStyle0">
                <Pair>
                        <key>normal</key>
                        <styleUrl>#examplePolyStyle1</styleUrl>
                </Pair>
                <Pair>
                        <key>highlight</key>
                        <styleUrl>#examplePolyStyle</styleUrl>
                </Pair>
        </StyleMap>
        <Style id="examplePolyStyle1">
                <PolyStyle>
                        <color>ffffff00</color>
                        <outline>0</outline>
                </PolyStyle>
        </Style>
        <Placemark>
                <name>Untitled Polygon</name>
                <styleUrl>#examplePolyStyle0</styleUrl>
                <Polygon>
                        <tessellate>1</tessellate>
                        <outerBoundaryIs>
                                <LinearRing>
                                        <coordinates>
                                                -74.19398870115191,48.21138137082842,0 -74.53662724779845,47.79378794242044,0 -73.97895911455657,47.72309262210254,0 -74.19398870115191,48.21138137082842,0 
                                        </coordinates>
                                </LinearRing>
                        </outerBoundaryIs>
                </Polygon>
        </Placemark>
</Document>
</kml>

Here's information about the version of Google Earth I'm using:

Google Earth 7.1.8.3036 (64-bit)
Build Date 1/17/2017
Build Time 8:57:31 am
Renderer OpenGL
Operating System Linux (3.13.0.0)
Video Driver Intel Open Source Technology Center
Max Texture Size 8192x8192
available video memoryinformation not available
Server kh.google.com

The problem appears to be with my graphics card driver. When I started Google Earth, I got a message about clamped polygons only being shown in outline mode. At the time, I didn't know what a "clamped polygon" was, so when I tried to create some polygons I didn't make the connection. Just now, when I restarted Google Earth, I understood the message.

There is a question on another forum on how to work around the problem.