/home/docs/checkouts/readthedocs.org/user_builds/advanced-micro-devices-hipcub/checkouts/docs-5.5.1/hipcub/include/hipcub/backend/rocprim/iterator/tex_obj_input_iterator.hpp Source File

/home/docs/checkouts/readthedocs.org/user_builds/advanced-micro-devices-hipcub/checkouts/docs-5.5.1/hipcub/include/hipcub/backend/rocprim/iterator/tex_obj_input_iterator.hpp Source File#

hipCUB: /home/docs/checkouts/readthedocs.org/user_builds/advanced-micro-devices-hipcub/checkouts/docs-5.5.1/hipcub/include/hipcub/backend/rocprim/iterator/tex_obj_input_iterator.hpp Source File
tex_obj_input_iterator.hpp
1 /******************************************************************************
2  * Copyright (c) 2010-2011, Duane Merrill. All rights reserved.
3  * Copyright (c) 2011-2018, NVIDIA CORPORATION. All rights reserved.
4  * Modifications Copyright (c) 2017-2021, Advanced Micro Devices, Inc. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  * * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * * Neither the name of the NVIDIA CORPORATION nor the
14  * names of its contributors may be used to endorse or promote products
15  * derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  ******************************************************************************/
29 
30 #ifndef HIPCUB_ROCPRIM_ITERATOR_TEX_OBJ_INPUT_ITERATOR_HPP_
31 #define HIPCUB_ROCPRIM_ITERATOR_TEX_OBJ_INPUT_ITERATOR_HPP_
32 
33 #include <iterator>
34 #include <iostream>
35 
36 #include "../../../config.hpp"
37 
38 #if (THRUST_VERSION >= 100700)
39  // This iterator is compatible with Thrust API 1.7 and newer
40  #include <thrust/iterator/iterator_facade.h>
41  #include <thrust/iterator/iterator_traits.h>
42 #endif // THRUST_VERSION
43 
44 
45 #include <rocprim/iterator/texture_cache_iterator.hpp>
46 
47 BEGIN_HIPCUB_NAMESPACE
48 
49 template<
50  typename T,
51  typename OffsetT = std::ptrdiff_t
52 >
53 class TexObjInputIterator : public ::rocprim::texture_cache_iterator<T, OffsetT>
54 {
55  public:
56  template<class Qualified>
57  inline
58  hipError_t BindTexture(Qualified* ptr,
59  size_t bytes = size_t(-1),
60  size_t texture_offset = 0)
61  {
62  return ::rocprim::texture_cache_iterator<T, OffsetT>::bind_texture(ptr, bytes, texture_offset);
63  }
64 
65  inline hipError_t UnbindTexture()
66  {
67  return ::rocprim::texture_cache_iterator<T, OffsetT>::unbind_texture();
68  }
69 
70  HIPCUB_HOST_DEVICE inline
71  ~TexObjInputIterator() = default;
72 
73  HIPCUB_HOST_DEVICE inline
74  TexObjInputIterator() : ::rocprim::texture_cache_iterator<T, OffsetT>()
75  {
76  }
77 
78  HIPCUB_HOST_DEVICE inline
79  TexObjInputIterator(const ::rocprim::texture_cache_iterator<T, OffsetT> other)
80  : ::rocprim::texture_cache_iterator<T, OffsetT>(other)
81  {
82  }
83 
84 };
85 
86 END_HIPCUB_NAMESPACE
87 
88 #endif // HIPCUB_ROCPRIM_ITERATOR_TEX_OBJ_INPUT_ITERATOR_HPP_
hipcub::TexObjInputIterator
Definition: tex_obj_input_iterator.hpp:54