1 | /******************************************************************************* |
2 | * Copyright 2021 Intel Corporation |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | *******************************************************************************/ |
16 | |
17 | #ifndef GPU_OCL_OCL_BUFFER_MEMORY_STORAGE_HPP |
18 | #define GPU_OCL_OCL_BUFFER_MEMORY_STORAGE_HPP |
19 | |
20 | #include <CL/cl.h> |
21 | |
22 | #include "common/c_types_map.hpp" |
23 | #include "common/utils.hpp" |
24 | #include "gpu/ocl/ocl_memory_storage_base.hpp" |
25 | #include "gpu/ocl/ocl_utils.hpp" |
26 | |
27 | namespace dnnl { |
28 | namespace impl { |
29 | namespace gpu { |
30 | namespace ocl { |
31 | |
32 | class ocl_buffer_memory_storage_t : public ocl_memory_storage_base_t { |
33 | public: |
34 | ocl_buffer_memory_storage_t(engine_t *engine) |
35 | : ocl_memory_storage_base_t(engine), mem_object_(nullptr) {} |
36 | |
37 | ocl_buffer_memory_storage_t( |
38 | engine_t *engine, const memory_storage_t *parent_storage) |
39 | : ocl_memory_storage_base_t(engine, parent_storage) {} |
40 | |
41 | status_t get_data_handle(void **handle) const override { |
42 | *handle = static_cast<void *>(mem_object_.get()); |
43 | return status::success; |
44 | } |
45 | |
46 | status_t set_data_handle(void *handle) override { |
47 | mem_object_ = ocl_wrapper_t<cl_mem>(static_cast<cl_mem>(handle), true); |
48 | return status::success; |
49 | } |
50 | |
51 | status_t map_data( |
52 | void **mapped_ptr, stream_t *stream, size_t) const override; |
53 | status_t unmap_data(void *mapped_ptr, stream_t *stream) const override; |
54 | |
55 | cl_mem mem_object() const { return mem_object_.get(); } |
56 | |
57 | bool is_host_accessible() const override { return false; } |
58 | |
59 | std::unique_ptr<memory_storage_t> get_sub_storage( |
60 | size_t offset, size_t size) const override; |
61 | |
62 | std::unique_ptr<memory_storage_t> clone() const override; |
63 | |
64 | memory_kind_t memory_kind() const override { return memory_kind::buffer; } |
65 | |
66 | protected: |
67 | status_t init_allocate(size_t size) override; |
68 | |
69 | private: |
70 | cl_mem parent_mem_object() const; |
71 | |
72 | ocl_wrapper_t<cl_mem> mem_object_; |
73 | size_t base_offset_ = 0; |
74 | |
75 | DNNL_DISALLOW_COPY_AND_ASSIGN(ocl_buffer_memory_storage_t); |
76 | }; |
77 | |
78 | } // namespace ocl |
79 | } // namespace gpu |
80 | } // namespace impl |
81 | } // namespace dnnl |
82 | |
83 | #endif |
84 | |