From ad7515d231acb075a9585e52f257373b1a1b5d1f Mon Sep 17 00:00:00 2001
From: Michalis Spyrou <michalis.spyrou@arm.com>
Date: Fri, 24 Jul 2020 00:02:23 +0100
Subject: COMPMID-3385: Async support to CLArithmetic* kernels/functions Pt.1

Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Change-Id: I94007565e688f8a0aead4f14c9fc30bfd9f9f7eb
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3613
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
---
 arm_compute/runtime/CL/functions/CLPReluLayer.h | 65 +++++++++++++++++++++++--
 1 file changed, 62 insertions(+), 3 deletions(-)

(limited to 'arm_compute/runtime/CL/functions/CLPReluLayer.h')

diff --git a/arm_compute/runtime/CL/functions/CLPReluLayer.h b/arm_compute/runtime/CL/functions/CLPReluLayer.h
index eb3d3be3e3..08567cccfb 100644
--- a/arm_compute/runtime/CL/functions/CLPReluLayer.h
+++ b/arm_compute/runtime/CL/functions/CLPReluLayer.h
@@ -24,20 +24,72 @@
 #ifndef ARM_COMPUTE_CLPRELULAYER_H
 #define ARM_COMPUTE_CLPRELULAYER_H
 
-#include "arm_compute/core/Types.h"
-#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/runtime/CL/ICLOperator.h"
+#include "arm_compute/runtime/IFunction.h"
 
 namespace arm_compute
 {
 class ICLTensor;
 
+namespace experimental
+{
 /** Basic function to run @ref CLArithmeticOperationKernel for PRELU
  *
  * @note The function implements an activation layer with the PRELU activation function.
  */
-class CLPReluLayer : public ICLSimpleFunction
+class CLPReluLayer : public ICLOperator
 {
 public:
+    /** Default Constructor */
+    CLPReluLayer();
+    /** Set the input and output tensor.
+     *
+     * @note If the output tensor is a nullptr or is equal to the input, the activation function will be performed in-place
+     *
+     * @param[in]  compile_context The compile context to be used.
+     * @param[in]  input           Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+     * @param[in]  alpha           PRelu layer parameters. Data types supported: same of @p input.
+     * @param[out] output          Destination tensor. Data type supported: same as @p input
+     */
+    void configure(const CLCompileContext &compile_context, ITensorInfo *input, ITensorInfo *alpha, ITensorInfo *output);
+    /** Static function to check if given info will lead to a valid configuration of @ref CLPReluLayer
+     *
+     * @param[in] input  Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+     * @param[in] alpha  PRelu layer parameters. Data types supported: same of @p input.
+     * @param[in] output Destination tensor info. Data type supported: same as @p input
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *alpha, const ITensorInfo *output);
+
+    // Inherited methods overridden:
+    void run(InputTensorMap inputs, OutputTensorMap outputs, OperatorTensorMap workspace) override;
+
+private:
+    CLFillBorderKernel _border_handler;
+};
+} // namespace experimental
+
+/** Basic function to run @ref CLArithmeticOperationKernel for PRELU
+ *
+ * @note The function implements an activation layer with the PRELU activation function.
+ */
+class CLPReluLayer : public IFunction
+{
+public:
+    /** Default Constructor */
+    CLPReluLayer();
+    /** Default Destructor */
+    ~CLPReluLayer();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    CLPReluLayer(const CLPReluLayer &) = delete;
+    /** Default move constructor */
+    CLPReluLayer(CLPReluLayer &&);
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    CLPReluLayer &operator=(const CLPReluLayer &) = delete;
+    /** Default move assignment operator */
+    CLPReluLayer &operator=(CLPReluLayer &&);
     /** Set the input and output tensor.
      *
      * @note If the output tensor is a nullptr or is equal to the input, the activation function will be performed in-place
@@ -66,6 +118,13 @@ public:
      * @return a status
      */
     static Status validate(const ITensorInfo *input, const ITensorInfo *alpha, const ITensorInfo *output);
+
+    // Inherited methods overridden:
+    void run() override;
+
+private:
+    struct Impl;
+    std::unique_ptr<Impl> _impl;
 };
 } // namespace arm_compute
 #endif /* ARM_COMPUTE_CLPRELULAYER_H */
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