COMPMID-3639: (3RDPARTY_UPDATE) Move CL kernels to src

Change-Id: I10d27db788e5086adae1841e3e2441cd9b76ef84
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4310
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/CL/kernels/CLBatchNormalizationLayerKernel.h b/src/core/CL/kernels/CLBatchNormalizationLayerKernel.h
new file mode 100644
index 0000000..743f4a9
--- /dev/null
+++ b/src/core/CL/kernels/CLBatchNormalizationLayerKernel.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2017-2020 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.
+ */
+#ifndef ARM_COMPUTE_CLBATCHNORMALIZATIONLAYERKERNEL_H
+#define ARM_COMPUTE_CLBATCHNORMALIZATIONLAYERKERNEL_H
+
+#include "src/core/CL/ICLKernel.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Interface for the BatchNormalization layer kernel.
+ */
+class CLBatchNormalizationLayerKernel : public ICLKernel
+{
+public:
+    /** Constructor */
+    CLBatchNormalizationLayerKernel();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    CLBatchNormalizationLayerKernel(const CLBatchNormalizationLayerKernel &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    CLBatchNormalizationLayerKernel &operator=(const CLBatchNormalizationLayerKernel &) = delete;
+    /** Default Move Constructor. */
+    CLBatchNormalizationLayerKernel(CLBatchNormalizationLayerKernel &&) = default;
+    /** Default move assignment operator */
+    CLBatchNormalizationLayerKernel &operator=(CLBatchNormalizationLayerKernel &&) = default;
+    /** Default destructor */
+    ~CLBatchNormalizationLayerKernel() = default;
+
+    /** Set the input and output tensors.
+     *
+     * @note If the output tensor is a nullptr, the batch normalization function will be performed in-place
+     *
+     * @param[in, out] input    Source tensor. In case of @p output tensor = nullptr, this tensor will store the result.
+     *                          3 lower dimensions represent a single input with dimensions [width, height, FM].
+     *                          The rest are optional and used for representing batches. Data types supported: F16/F32. Data layouts supported: NCHW/NHWC.
+     * @param[out]     output   Destination tensor. Output will have the same number of dimensions as input. Data type supported: same as @p input
+     * @param[in]      mean     Mean values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+     * @param[in]      var      Variance values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+     * @param[in]      beta     (Optional) Beta values tensor info. 1 dimension with size equal to the feature maps [FM]. If not provided, default value for beta is 0. Data types supported: Same as @p input
+     * @param[in]      gamma    (Optional) Gamma values tensor info. 1 dimension with size equal to the feature maps [FM]. If not provided, default value for gamma is 1. Data types supported: Same as @p input
+     * @param[in]      epsilon  (Optional) Small value to avoid division with zero. Default value is 0.001f.
+     * @param[in]      act_info (Optional) Activation layer information in case of a fused activation. Only RELU, BOUNDED_RELU and LU_BOUNDED_RELU supported.
+     */
+    void configure(ICLTensor *input, ICLTensor *output, const ICLTensor *mean, const ICLTensor *var, const ICLTensor *beta = nullptr, const ICLTensor *gamma = nullptr, float epsilon = 0.001f,
+                   ActivationLayerInfo act_info = ActivationLayerInfo());
+    /** Set the input and output tensors.
+     *
+     * @note If the output tensor is a nullptr, the batch normalization function will be performed in-place
+     *
+     * @param[in]      compile_context The compile context to be used.
+     * @param[in, out] input           Source tensor. In case of @p output tensor = nullptr, this tensor will store the result.
+     *                                 3 lower dimensions represent a single input with dimensions [width, height, FM].
+     *                                 The rest are optional and used for representing batches. Data types supported: F16/F32. Data layouts supported: NCHW/NHWC.
+     * @param[out]     output          Destination tensor. Output will have the same number of dimensions as input. Data type supported: same as @p input
+     * @param[in]      mean            Mean values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+     * @param[in]      var             Variance values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+     * @param[in]      beta            (Optional) Beta values tensor info. 1 dimension with size equal to the feature maps [FM]. If not provided, default value for beta is 0. Data types supported: Same as @p input
+     * @param[in]      gamma           (Optional) Gamma values tensor info. 1 dimension with size equal to the feature maps [FM]. If not provided, default value for gamma is 1. Data types supported: Same as @p input
+     * @param[in]      epsilon         (Optional) Small value to avoid division with zero. Default value is 0.001f.
+     * @param[in]      act_info        (Optional) Activation layer information in case of a fused activation. Only RELU, BOUNDED_RELU and LU_BOUNDED_RELU supported.
+     */
+    void configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output, const ICLTensor *mean, const ICLTensor *var, const ICLTensor *beta = nullptr,
+                   const ICLTensor *gamma = nullptr, float epsilon = 0.001f, ActivationLayerInfo act_info = ActivationLayerInfo());
+    /** Static function to check if given info will lead to a valid configuration of @ref CLBatchNormalizationLayerKernel
+     *
+     * @param[in] input    Source tensor info. In case of @p output tensor info = nullptr, this tensor will store the result.
+     *                     3 lower dimensions represent a single input with dimensions [width, height, FM].
+     *                     The rest are optional and used for representing batches. Data types supported: F16/F32. Data layouts supported: NCHW/NHWC.
+     * @param[in] output   Destination tensor info. Output will have the same number of dimensions as input. Data type supported: same as @p input
+     * @param[in] mean     Mean values tensor info. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+     * @param[in] var      Variance values tensor info. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+     * @param[in] beta     (Optional) Beta values tensor info. 1 dimension with size equal to the feature maps [FM]. If not provided, default value for beta is 0. Data types supported: Same as @p input
+     * @param[in] gamma    (Optional) Gamma values tensor info. 1 dimension with size equal to the feature maps [FM]. If not provided, default value for gamma is 1. Data types supported: Same as @p input
+     * @param[in] epsilon  (Optional) Small value to avoid division with zero. Default value is 0.001f.
+     * @param[in] act_info (Optional) Activation layer information in case of a fused activation. Only RELU, BOUNDED_RELU and LU_BOUNDED_RELU supported.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output,
+                           const ITensorInfo *mean, const ITensorInfo *var,
+                           const ITensorInfo *beta = nullptr, const ITensorInfo *gamma = nullptr,
+                           float epsilon = 0.001f, ActivationLayerInfo act_info = ActivationLayerInfo());
+
+    // Inherited methods overridden:
+    void run(const Window &window, cl::CommandQueue &queue) override;
+
+private:
+    ICLTensor       *_input;
+    ICLTensor       *_output;
+    const ICLTensor *_mean;
+    const ICLTensor *_var;
+    const ICLTensor *_beta;
+    const ICLTensor *_gamma;
+    float            _epsilon;
+    bool             _run_in_place;
+};
+} // namespace arm_compute
+#endif /*ARM_COMPUTE_CLBATCHNORMALIZATIONLAYERKERNEL_H */