COMPMID-3388: Async support to CLReshapeLayerKernel kernels/functions

Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Change-Id: I141a943dfd691069317860e852ecdd0ba7391604
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3501
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/core/CL/ICLKernel.h b/arm_compute/core/CL/ICLKernel.h
index 3e545c6..cf8771f 100644
--- a/arm_compute/core/CL/ICLKernel.h
+++ b/arm_compute/core/CL/ICLKernel.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2019 ARM Limited.
+ * Copyright (c) 2016-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -29,6 +29,7 @@
 #include "arm_compute/core/CL/OpenCL.h"
 #include "arm_compute/core/GPUTarget.h"
 #include "arm_compute/core/IKernel.h"
+#include "arm_compute/core/experimental/Types.h"
 
 #include <string>
 
@@ -216,7 +217,23 @@
      * @param[in]     window Region on which to execute the kernel. (Must be a valid region of the window returned by window()).
      * @param[in,out] queue  Command queue on which to enqueue the kernel.
      */
-    virtual void run(const Window &window, cl::CommandQueue &queue) = 0;
+    virtual void run(const Window &window, cl::CommandQueue &queue)
+    {
+        ARM_COMPUTE_UNUSED(window, queue);
+    }
+    /** Enqueue the OpenCL kernel to process the given window  on the passed OpenCL command queue.
+     *
+     * @note The queue is *not* flushed by this method, and therefore the kernel will not have been executed by the time this method returns.
+     *
+     * @param[in]     inputs  A vector containing the input tensors.
+     * @param[in]     outputs A vector containing the output tensors.
+     * @param[in]     window  Region on which to execute the kernel. (Must be a valid region of the window returned by window()).
+     * @param[in,out] queue   Command queue on which to enqueue the kernel.
+     */
+    virtual void run_op(const InputTensorMap &inputs, const OutputTensorMap &outputs, const Window &window, cl::CommandQueue &queue)
+    {
+        ARM_COMPUTE_UNUSED(inputs, outputs, window, queue);
+    }
     /** Add the passed parameters to the object's kernel's arguments starting from the index idx.
      *
      * @param[in,out] idx   Index at which to start adding the arguments. Will be incremented by the number of kernel arguments set.
diff --git a/arm_compute/core/CL/kernels/CLReshapeLayerKernel.h b/arm_compute/core/CL/kernels/CLReshapeLayerKernel.h
index 3ea7411..b785e93 100644
--- a/arm_compute/core/CL/kernels/CLReshapeLayerKernel.h
+++ b/arm_compute/core/CL/kernels/CLReshapeLayerKernel.h
@@ -35,31 +35,13 @@
 class CLReshapeLayerKernel : public ICLKernel
 {
 public:
-    /** Default constructor */
-    CLReshapeLayerKernel();
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    CLReshapeLayerKernel(const CLReshapeLayerKernel &) = delete;
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    CLReshapeLayerKernel &operator=(const CLReshapeLayerKernel &) = delete;
-    /** Allow instances of this class to be moved */
-    CLReshapeLayerKernel(CLReshapeLayerKernel &&) = default;
-    /** Allow instances of this class to be moved */
-    CLReshapeLayerKernel &operator=(CLReshapeLayerKernel &&) = default;
-    /** Default destructor */
-    ~CLReshapeLayerKernel() = default;
-    /** Set the input and output of the kernel
-     *
-     * @param[in]  input  Source tensor. Data type supported: All.
-     * @param[out] output Destination tensor. Data type supported: Same as @p input
-     */
-    void configure(const ICLTensor *input, ICLTensor *output);
     /** Set the input and output of the kernel
      *
      * @param[in]  compile_context The compile context to be used.
-     * @param[in]  input           Source tensor. Data type supported: All.
-     * @param[out] output          Destination tensor. Data type supported: Same as @p input
+     * @param[in]  input           Source tensor info. Data type supported: All.
+     * @param[out] output          Destination tensor info. Data type supported: Same as @p input
      */
-    void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output);
+    void configure(const CLCompileContext &compile_context, const ITensorInfo *input, ITensorInfo *output);
 
     /** Static function to check if given info will lead to a valid configuration of @ref CLReshapeLayerKernel
      *
@@ -71,11 +53,8 @@
     static Status validate(const ITensorInfo *input, const ITensorInfo *output);
 
     // Inherited methods overridden:
-    void run(const Window &window, cl::CommandQueue &queue) override;
-
-private:
-    const ICLTensor *_input;  /**< Source tensor */
-    ICLTensor       *_output; /**< Destination tensor */
+    void run_op(const InputTensorMap &inputs, const OutputTensorMap &outputs,
+                const Window &window, cl::CommandQueue &queue) override;
 };
 } // namespace arm_compute
 #endif /*ARM_COMPUTE_CLRESHAPELAYERKERNEL_H */