From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001
From: Anthony Barbier <anthony.barbier@arm.com>
Date: Mon, 4 Sep 2017 18:44:23 +0100
Subject: COMPMID-344 Updated doxygen

Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
---
 src/core/CL/kernels/CLWarpAffineKernel.cpp | 99 ++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 src/core/CL/kernels/CLWarpAffineKernel.cpp

(limited to 'src/core/CL/kernels/CLWarpAffineKernel.cpp')

diff --git a/src/core/CL/kernels/CLWarpAffineKernel.cpp b/src/core/CL/kernels/CLWarpAffineKernel.cpp
new file mode 100644
index 0000000000..e549dbc258
--- /dev/null
+++ b/src/core/CL/kernels/CLWarpAffineKernel.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/core/CL/kernels/CLWarpAffineKernel.h"
+
+#include "arm_compute/core/AccessWindowStatic.h"
+#include "arm_compute/core/CL/CLHelpers.h"
+#include "arm_compute/core/CL/CLKernelLibrary.h"
+#include "arm_compute/core/CL/ICLTensor.h"
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Validate.h"
+
+#include <cstddef>
+#include <set>
+#include <sstream>
+#include <string>
+
+using namespace arm_compute;
+
+namespace
+{
+void options_add_matrix(std::set<std::string> &options, const float *matrix, size_t size)
+{
+    for(size_t i = 0; i < size; ++i)
+    {
+        std::stringstream mat_str;
+        mat_str << "-DMAT" << i << "=" << matrix[i] << " ";
+        options.insert(mat_str.str());
+    }
+}
+} // namespace
+
+BorderSize CLWarpAffineKernel::border_size() const
+{
+    return BorderSize(1);
+}
+
+void CLWarpAffineKernel::configure(const ICLTensor *input, ICLTensor *output, const float *matrix, InterpolationPolicy policy)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
+    ARM_COMPUTE_ERROR_ON(InterpolationPolicy::AREA == policy);
+
+    _input  = input;
+    _output = output;
+
+    // Create build options
+    std::set<std::string> options;
+    options_add_matrix(options, matrix, 6);
+    options.emplace(("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())));
+
+    // Create kernel
+    std::string interpolation_name = string_from_interpolation_policy(policy);
+    std::transform(interpolation_name.begin(), interpolation_name.end(), interpolation_name.begin(), ::tolower);
+    std::string kernel_name = "warp_affine_" + interpolation_name;
+    _kernel                 = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(kernel_name, options));
+
+    // Set static kernel arguments
+    unsigned int idx = 2 * num_arguments_per_2D_tensor(); //Skip the input and output parameters
+    _kernel.setArg<cl_int>(idx++, input->info()->dimension(0));
+    _kernel.setArg<cl_int>(idx++, input->info()->dimension(1));
+
+    // Configure kernel window
+    const unsigned int num_elems_processed_per_iteration = 4;
+
+    Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration));
+
+    AccessWindowHorizontal input_access(input->info(), 0, num_elems_processed_per_iteration);
+    AccessWindowStatic     output_access(output->info(), 0, 0, output->info()->dimension(0), output->info()->dimension(1));
+
+    update_window_and_padding(win, input_access, output_access);
+
+    output_access.set_valid_region(win, ValidRegion(Coordinates(), output->info()->tensor_shape()));
+
+    ICLKernel::configure(win);
+}
-- 
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