2 * Copyright (c) 2016, 2017 ARM Limited.
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24 #include "arm_compute/core/CL/kernels/CLDepthConvertKernel.h"
26 #include "arm_compute/core/CL/CLHelpers.h"
27 #include "arm_compute/core/CL/CLKernelLibrary.h"
28 #include "arm_compute/core/CL/ICLTensor.h"
29 #include "arm_compute/core/CL/OpenCL.h"
30 #include "arm_compute/core/Error.h"
31 #include "arm_compute/core/TensorInfo.h"
32 #include "arm_compute/core/Utils.h"
33 #include "arm_compute/core/Validate.h"
39 using namespace arm_compute;
41 void CLDepthConvertKernel::configure(const ICLTensor *input, ICLTensor *output, ConvertPolicy policy, uint32_t shift)
43 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S16, DataType::U16, DataType::U32, DataType::S32);
44 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8, DataType::S16, DataType::U16, DataType::U32, DataType::S32);
45 ARM_COMPUTE_ERROR_ON(input == output);
46 ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == output->info()->data_type(), "Input and output data types must be different");
47 ARM_COMPUTE_ERROR_ON(shift >= 8);
49 // Check if convertion is supported
50 ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::U8 && (output->info()->data_type() != DataType::U16 && output->info()->data_type() != DataType::S16
51 && output->info()->data_type() != DataType::U32 && output->info()->data_type() != DataType::S32),
52 "Only data types supported [in] U8 -> [out] U16, S16, U32, S32");
54 ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::U16 && (output->info()->data_type() != DataType::U8 && output->info()->data_type() != DataType::U32
55 && output->info()->data_type() != DataType::S32),
56 "Only data types supported [in] U16 -> [out] U8, U32, S32");
58 ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::S16 && (output->info()->data_type() != DataType::U8 && output->info()->data_type() != DataType::U32
59 && output->info()->data_type() != DataType::S32),
60 "Only data types supported [in] S16 -> [out] U8, U32, S32");
62 ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::U32 && (output->info()->data_type() != DataType::U8 && output->info()->data_type() != DataType::U16
63 && output->info()->data_type() != DataType::S16),
64 "Only data types supported [in] U32 -> [out] U8, U16, S16");
66 ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::S32 && (output->info()->data_type() != DataType::U8 && output->info()->data_type() != DataType::U16
67 && output->info()->data_type() != DataType::S16),
68 "Only data types supported [in] S32 -> [out] U8, U16, S16");
71 const size_t input_size = data_size_from_type(input->info()->data_type());
72 const size_t output_size = data_size_from_type(output->info()->data_type());
74 // Construct kernel name and build options
75 std::string kernel_name = "convert_depth";
76 std::set<std::string> build_opts;
77 if(input_size > output_size)
79 kernel_name += "_down";
80 build_opts.insert((policy == ConvertPolicy::WRAP) ? "-DWRAP" : "-DSATURATE");
86 build_opts.insert("-DDATA_TYPE_IN=" + get_cl_type_from_data_type(input->info()->data_type()));
87 build_opts.insert("-DDATA_TYPE_OUT=" + get_cl_type_from_data_type(output->info()->data_type()));
90 _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(kernel_name, build_opts));
93 unsigned int idx = 2 * num_arguments_per_2D_tensor(); //Skip the input and output parameters
94 _kernel.setArg(idx++, shift);
97 constexpr unsigned int num_elems_processed_per_iteration = 16;
98 ICLSimple2DKernel::configure(input, output, num_elems_processed_per_iteration);