source/renderer/backend/CompareOp.cpp

   1 /* Copyright (C) 2022 Wildfire Games.
   2  * This file is part of 0 A.D.
   3  *
   4  * 0 A.D. is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * 0 A.D. is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "precompiled.h"
  19
  20 #include "CompareOp.h"
  21
  22 namespace Renderer
  23 {
  24
  25 namespace Backend
  26 {
  27
  28 CompareOp ParseCompareOp(const CStr& str)
  29 {
  30         // TODO: it might make sense to use upper case in XML for consistency.
  31 #define CASE(NAME, VALUE) if (str == NAME) return CompareOp::VALUE
  32         CASE("never", NEVER);
  33         CASE("less", LESS);
  34         CASE("equal", EQUAL);
  35         CASE("lequal", LESS_OR_EQUAL);
  36         CASE("greater", GREATER);
  37         CASE("notequal", NOT_EQUAL);
  38         CASE("gequal", GREATER_OR_EQUAL);
  39         CASE("always", ALWAYS);
  40 #undef CASE
  41         debug_warn("Invalid compare op");
  42         return CompareOp::NEVER;
  43 }
  44
  45 } // namespace Backend
  46
  47 } // namespace Renderer