Fix bug with rendering video layer

modules/globebrowsing/shaders/texturetilemapping.glsl

@@ -165,6 +165,8 @@ vec4 getSample#{layerGroup}#{i}(vec2 uv, vec3 levelWeights,
   c.rgb = #{layerGroup}[#{i}].color;
 #elif (#{#{layerGroup}#{i}LayerType} == 9) // SpoutImageTileLayer
   c = getTexVal(#{layerGroup}[#{i}].pile, levelWeights, uv, #{layerGroup}[#{i}].padding);
+#elif (#{#{layerGroup}#{i}LayerType} == 10) // FfmpegTileProvider
+  c = getTexVal(#{layerGroup}[#{i}].pile, levelWeights, uv, #{layerGroup}[#{i}].padding);
 #endif
 
   return c;

modules/globebrowsing/src/tileprovider/tileprovider.h

@@ -57,6 +57,7 @@ namespace openspace::globebrowsing {
 
 namespace openspace::globebrowsing {
 
+// If you add a new type, also add it to shaders/texturetilemapping.glsl
 enum class Type {
     DefaultTileProvider = 0,
     SingleImageTileProvider,