engine: client: disable viewsize without requested Quake compatibility

engine/client/cl_view.c

@@ -35,6 +35,8 @@ void V_CalcViewRect( void )
 	int	sb_lines;
 	float	size;
 
+	if( FBitSet( host.features, ENGINE_QUAKE_COMPATIBLE ))
+	{
 		// intermission is always full screen
 		if( cl.intermission ) size = 120.0f;
 		else size = scr_viewsize->value;
@@ -59,6 +61,13 @@ void V_CalcViewRect( void )
 			full = true;
 		}
 		size /= 100.0f;
+	}
+	else
+	{
+		full = true;
+		sb_lines = 0;
+		size = 1.0f;
+	}
 
 	clgame.viewport[2] = refState.width * size;
 	clgame.viewport[3] = refState.height * size;