src/gallium/frontends/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 #include <iostream>
  28
  29 #include "core/error.hpp"
  30 #include "core/property.hpp"
  31 #include "util/algorithm.hpp"
  32
  33 #ifdef HAVE_CLOVER_ICD
  34 #define CLOVER_API
  35 #define CLOVER_ICD_API PUBLIC
  36 #else
  37 #define CLOVER_API PUBLIC
  38 #define CLOVER_ICD_API PUBLIC
  39 #endif
  40
  41 #define CLOVER_NOT_SUPPORTED_UNTIL(version)                    \
  42    do {                                                        \
  43       std::cerr << "CL user error: " << __func__               \
  44                 << "() requires OpenCL version " << (version)  \
  45                 << " or greater." << std::endl;                \
  46    } while (0)
  47
  48 namespace clover {
  49    ///
  50    /// Return an error code in \a p if non-zero.
  51    ///
  52    inline void
  53    ret_error(cl_int *p, const clover::error &e) {
  54       if (p)
  55          *p = e.get();
  56    }
  57
  58    ///
  59    /// Return a clover object in \a p if non-zero incrementing the
  60    /// reference count of the object.
  61    ///
  62    template<typename T>
  63    void
  64    ret_object(typename T::descriptor_type **p,
  65               const intrusive_ref<T> &v) {
  66       if (p) {
  67          v().retain();
  68          *p = desc(v());
  69       }
  70    }
  71
  72    ///
  73    /// Return an API object from an intrusive reference to a Clover object,
  74    /// incrementing the reference count of the object.
  75    ///
  76    template<typename T>
  77    typename T::descriptor_type *
  78    ret_object(const intrusive_ref<T> &v) {
  79       v().retain();
  80       return desc(v());
  81    }
  82 }
  83
  84 #endif