1 /*
2 * Copyright (c) 2017-2021 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 #include "arm_compute/runtime/CL/functions/CLFlattenLayer.h"
25
26 #include "arm_compute/core/CL/CLKernelLibrary.h"
27 #include "arm_compute/core/CL/ICLTensor.h"
28 #include "arm_compute/core/TensorInfo.h"
29 #include "arm_compute/core/Validate.h"
30 #include "arm_compute/core/utils/misc/ShapeCalculator.h"
31 #include "src/core/CL/ICLKernel.h"
32 #include "src/core/helpers/AutoConfiguration.h"
33 #include "src/gpu/cl/operators/ClFlatten.h"
34
35 namespace arm_compute
36 {
37 struct CLFlattenLayer::Impl
38 {
39 const ICLTensor *src{ nullptr };
40 ICLTensor *dst{ nullptr };
41 std::unique_ptr<opencl::ClFlatten> op{ nullptr };
42 };
43
CLFlattenLayer()44 CLFlattenLayer::CLFlattenLayer()
45 : _impl(std::make_unique<Impl>())
46 {
47 }
48 CLFlattenLayer::CLFlattenLayer(CLFlattenLayer &&) = default;
49 CLFlattenLayer &CLFlattenLayer::operator=(CLFlattenLayer &&) = default;
50 CLFlattenLayer::~CLFlattenLayer() = default;
51
configure(const ICLTensor * input,ICLTensor * output)52 void CLFlattenLayer::configure(const ICLTensor *input, ICLTensor *output)
53 {
54 configure(CLKernelLibrary::get().get_compile_context(), input, output);
55 }
56
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output)57 void CLFlattenLayer::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output)
58 {
59 ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
60 _impl->src = input;
61 _impl->dst = output;
62 auto_init_if_empty(*output->info(), input->info()->clone()->set_tensor_shape(misc::shape_calculator::compute_flatten_shape(input->info())));
63
64 _impl->op = std::make_unique<opencl::ClFlatten>();
65 _impl->op->configure(compile_context, _impl->src->info(), _impl->dst->info());
66 }
67
validate(const ITensorInfo * input,const ITensorInfo * output)68 Status CLFlattenLayer::validate(const ITensorInfo *input, const ITensorInfo *output)
69 {
70 // Checks performed when output is configured
71 if(output->total_size() != 0)
72 {
73 const TensorInfo tensor_info_output = input->clone()->set_tensor_shape(misc::shape_calculator::compute_flatten_shape(input));
74 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(output, &tensor_info_output);
75 }
76 return opencl::ClFlatten::validate(input, output);
77 }
78
run()79 void CLFlattenLayer::run()
80 {
81 ITensorPack pack;
82 pack.add_tensor(TensorType::ACL_SRC, _impl->src);
83 pack.add_tensor(TensorType::ACL_DST, _impl->dst);
84 _impl->op->run(pack);
85 }
86 } // namespace arm_compute