[COMPMID-1229] Implementing Pad on OpenCL -FP32/FP16

Change-Id: Ideead99410e5e0bda1035030af1bbcd0a65ea15e
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/144792
Tested-by: bsgcomp <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 77 insertions, 0 deletions

diff --git a/arm_compute/runtime/CL/functions/CLPadLayer.h b/arm_compute/runtime/CL/functions/CLPadLayer.h
new file mode 100644
index 0000000000..b9dca665d0
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLPadLayer.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2018 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_CLPADLAYER_H__
+#define __ARM_COMPUTE_CLPADLAYER_H__
+
+#include "arm_compute/core/CL/kernels/CLCopyKernel.h"
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/core/CL/kernels/CLMemsetKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLScheduler.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to pad a tensor. This function calls the following OpenCL kernels:
+ *
+ *  -# @ref CLMemsetKernel
+ *  -# @ref CLFillBorderKernel
+ *  -# @ref CLCopyKernel
+ */
+class CLPadLayer : public IFunction
+{
+public:
+    /** Default constructor*/
+    CLPadLayer();
+
+    /** Initialize the function
+     *
+     * @param[in]  input   Source tensor. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32.
+     * @param[out] output  Output tensor. Data type supported: same as @p input
+     * @param[in]  padding The padding for each spatial dimension of the input tensor. The pair padding[i]
+     *                     specifies the front and the end padding in the i-th dimension.
+     */
+    void configure(ICLTensor *input, ICLTensor *output, const PaddingList &padding);
+
+    /**  Static function to check if given info will lead to a valid configuration of @ref CLPadLayer.
+     *
+     * @param[in] input   Source tensor info. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32.
+     * @param[in] output  Output tensor info. Data type supported: same as @p input
+     * @param[in] padding The padding for each spatial dimension of the input tensor. The pair padding[i]
+     *                     specifies the front and the end padding in the i-th dimension.
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PaddingList &padding);
+
+    // Inherited methods overridden:
+    void run() override;
+
+private:
+    CLCopyKernel       _copy_kernel;
+    CLFillBorderKernel _fillborder_kernel;
+    CLMemsetKernel     _memset_kernel;
+};
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_PADLAYER_H__ */