2 * Copyright (c) 2016-2018 ARM Limited.
4 * SPDX-License-Identifier: MIT
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:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
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
24 #ifndef __ARM_COMPUTE_CLHELPERS_H__
25 #define __ARM_COMPUTE_CLHELPERS_H__
27 #include "arm_compute/core/CL/CLTypes.h"
28 #include "arm_compute/core/CL/OpenCL.h"
29 #include "arm_compute/core/GPUTarget.h"
30 #include "arm_compute/core/Helpers.h"
31 #include "support/ToolchainSupport.h"
39 /** Max vector width of an OpenCL vector */
40 static constexpr unsigned int max_cl_vector_width = 16;
42 /** Translates a tensor data type to the appropriate OpenCL type.
44 * @param[in] dt @ref DataType to be translated to OpenCL type.
46 * @return The string specifying the OpenCL type to be used.
48 std::string get_cl_type_from_data_type(const DataType &dt);
50 /** Get the size of a data type in number of bits.
52 * @param[in] dt @ref DataType.
54 * @return Number of bits in the data type specified.
56 std::string get_data_size_from_data_type(const DataType &dt);
58 /** Translates fixed point tensor data type to the underlying OpenCL type.
60 * @param[in] dt @ref DataType to be translated to OpenCL type.
62 * @return The string specifying the underlying OpenCL type to be used.
64 std::string get_underlying_cl_type_from_data_type(const DataType &dt);
66 /** Helper function to get the GPU target from CL device
68 * @param[in] device A CL device
70 * @return the GPU target
72 GPUTarget get_target_from_device(cl::Device &device);
74 /** Helper function to get the highest OpenCL version supported
76 * @param[in] device A CL device
78 * @return the highest OpenCL version supported
80 CLVersion get_cl_version(const cl::Device &device);
82 /** Helper function to check whether a given extension is supported
84 * @param[in] device A CL device
85 * @param[in] extension_name Name of the extension to be checked
87 * @return True if the extension is supported
89 bool device_supports_extension(const cl::Device &device, const char *extension_name);
91 /** Helper function to check whether the cl_khr_fp16 extension is supported
93 * @param[in] device A CL device
95 * @return True if the extension is supported
97 bool fp16_supported(const cl::Device &device);
98 /** Helper function to check whether the arm_non_uniform_work_group_size extension is supported
100 * @param[in] device A CL device
102 * @return True if the extension is supported
104 bool arm_non_uniform_workgroup_supported(const cl::Device &device);
106 #endif /* __ARM_COMPUTE_CLHELPERS_H__ */