* adjust render intent enum

* add black point compensation

unstable/color-management/color-management-unstable-v1.xml

@@ -151,10 +151,11 @@
 
 	See the ICC specification for more details about rendering intent.
       </description>
-      <entry name="absolute" value="1" summary="ICC-absolute colorimetric"/>
-      <entry name="relative" value="2" summary="media-relative colorimetric"/>
-      <entry name="perceptual" value="3" summary="perceptual"/>
-      <entry name="saturation" value="4" summary="saturation"/>
+      <entry name="perceptual" value="0" summary="perceptual"/>
+      <entry name="relative" value="1" summary="media-relative colorimetric"/>
+      <entry name="saturation" value="2" summary="saturation"/>
+      <entry name="absolute" value="3" summary="ICC-absolute colorimetric"/>
+      <entry name="relative_bpc" value="4" summary="media-relative colorimetric + black point compensation"/>
     </enum>
 
     <request name="set_color_space">