src/gallium/state_trackers/clover/api/util.hpp

   1 //
   2 // Copyright 2012 Francisco Jerez
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining a
   5 // copy of this software and associated documentation files (the "Software"),
   6 // to deal in the Software without restriction, including without limitation
   7 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 // and/or sell copies of the Software, and to permit persons to whom the
   9 // Software is furnished to do so, subject to the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be included in
  12 // all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 // OTHER DEALINGS IN THE SOFTWARE.
  21 //
  22
  23 #ifndef CLOVER_API_UTIL_HPP
  24 #define CLOVER_API_UTIL_HPP
  25
  26 #include <cassert>
  27
  28 #include "core/error.hpp"
  29 #include "core/property.hpp"
  30 #include "util/algorithm.hpp"
  31
  32 namespace clover {
  33    ///
  34    /// Return an error code in \a p if non-zero.
  35    ///
  36    inline void
  37    ret_error(cl_int *p, const clover::error &e) {
  38       if (p)
  39          *p = e.get();
  40    }
  41
  42    ///
  43    /// Return a reference-counted object in \a p if non-zero.
  44    /// Otherwise release object ownership.
  45    ///
  46    template<typename T, typename S>
  47    void
  48    ret_object(T p, S v) {
  49       if (p)
  50          *p = v;
  51       else
  52          v->release();
  53    }
  54 }
  55
  56 #endif