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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
ret_error(cl_int * p,const clover::error & e)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
ret_object(typename T::descriptor_type ** p,const intrusive_ref<T> & v)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 *
ret_object(const intrusive_ref<T> & v)78    ret_object(const intrusive_ref<T> &v) {
79       v().retain();
80       return desc(v());
81    }
82 }
83 
84 #endif
85