message: include alpha-masked objects in SSAO
  this helps a lot with vegetations, which often uses alpha masking
diff: @@ -115,7 +115,7 @@ public:
  // generate commands for shadow map
  SHADOW = DEPTH | DEPTH_CONTAINS_SHADOW_CASTERS,
  // generate commands for SSAO
  - SSAO = DEPTH | DEPTH_FILTER_TRANSLUCENT_OBJECTS | DEPTH_FILTER_ALPHA_MASKED_OBJECTS,
  + SSAO = DEPTH | DEPTH_FILTER_TRANSLUCENT_OBJECTS,
  };
  