* view->filter->sky: Q3 shader based skies (skyParms keyword)

include/ifilter.h

@@ -48,6 +48,7 @@ enum
 	EXCLUDE_DECALS           = 0x00100000,
 	EXCLUDE_FUNC_GROUPS      = 0x00200000,
 	EXCLUDE_POINT_ENT        = 0x00400000,
+	EXCLUDE_SKY              = 0x00800000,
 };
 
 class Filter

include/ishaders.h

@@ -37,6 +37,7 @@ enum
 	QER_AREAPORTAL = 1 << 8,
 	QER_CLIP = 1 << 9,
 	QER_BOTCLIP = 1 << 10,
+	QER_SKY = 1 << 11,
 };
 
 struct qtexture_t;