ref: gl: remove useless R_CountDynamicLights function

ref/gl/gl_local.h

@@ -383,7 +383,6 @@ void R_AnimateLight( void );
 void R_GetLightSpot( vec3_t lightspot );
 void R_MarkLights( dlight_t *light, int bit, mnode_t *node );
 colorVec R_LightVec( const vec3_t start, const vec3_t end, vec3_t lightspot, vec3_t lightvec );
-int R_CountSurfaceDlights( msurface_t *surf );
 colorVec R_LightPoint( const vec3_t p0 );
 
 //

ref/gl/gl_rlight.c

@@ -171,26 +171,6 @@ void R_PushDlights( void )
 	}
 }
 
-/*
-=============
-R_CountSurfaceDlights
-=============
-*/
-int R_CountSurfaceDlights( msurface_t *surf )
-{
-	int	i, numDlights = 0;
-
-	for( i = 0; i < MAX_DLIGHTS; i++ )
-	{
-		if(!( surf->dlightbits & BIT( i )))
-			continue;	// not lit by this light
-
-		numDlights++;
-	}
-
-	return numDlights;
-}
-
 /*
 =======================================================================
 

ref/gl/gl_rsurf.c

@@ -527,7 +527,7 @@ texture_t *R_TextureAnimation( msurface_t *s )
 R_AddDynamicLights
 ===============
 */
-void R_AddDynamicLights( msurface_t *surf )
+static void R_AddDynamicLights( msurface_t *surf )
 {
 	float		dist, rad, minlight;
 	int		lnum, s, t, sd, td, smax, tmax;
@@ -541,7 +541,7 @@ void R_AddDynamicLights( msurface_t *surf )
 	uint		*bl;
 
 	// no dlighted surfaces here
-	if( !R_CountSurfaceDlights( surf )) return;
+	if( !surf->dlightbits ) return;
 
 	sample_size = gEngfuncs.Mod_SampleSizeForFace( surf );
 	smax = (info->lightextents[0] / sample_size) + 1;