smallish optimize

tiny_obj_loader.h

@@ -1166,6 +1166,10 @@ static bool ParseTextureNameAndOption(std::string *texname,
 	
 	a_tok = token2tok(token);
 	
+	
+	//tigra: minimize checks
+	if(a_tok>=TOK_blendu && a_tok<=TOK_mm)
+	{
 		//if ((0 == strncmp(token, "-blendu", 7)) && IS_SPACE((token[7]))) 
 		if (a_tok == TOK_blendu) 
 		{
@@ -1240,6 +1244,8 @@ static bool ParseTextureNameAndOption(std::string *texname,
 		  token += 4;
 		  parseReal2(&(texopt->brightness), &(texopt->contrast), &token, 0.0, 1.0);
 		}
+		
+	}
 	else {
       // Assume texture filename
 #if 0