COMPMID-3638: Move NEON kernels
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Change-Id: Ieed3e4bc8be7fef80c90c5094599b477a56fc473
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4285
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/NEDepthConvertLayerKernel.h b/src/core/NEON/kernels/NEDepthConvertLayerKernel.h
new file mode 100644
index 0000000..30fe1ed
--- /dev/null
+++ b/src/core/NEON/kernels/NEDepthConvertLayerKernel.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016-2020 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_DEPTHCONVERTKERNEL_H
+#define ARM_COMPUTE_DEPTHCONVERTKERNEL_H
+
+#include "src/core/NEON/INEKernel.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Depth conversion kernel
+ * This function ignores the scale and zeroPoint of quanized tensors, i.e. QASYMM8 input is treated as uint8 values.
+ */
+class NEDepthConvertLayerKernel : public INEKernel
+{
+public:
+ const char *name() const override
+ {
+ return "NEDepthConvertLayerKernel";
+ }
+ /** Default constructor*/
+ NEDepthConvertLayerKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEDepthConvertLayerKernel(const NEDepthConvertLayerKernel &) = delete;
+ /** Default move constructor */
+ NEDepthConvertLayerKernel(NEDepthConvertLayerKernel &&) = default;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEDepthConvertLayerKernel &operator=(const NEDepthConvertLayerKernel &) = delete;
+ /** Default move assignment operator */
+ NEDepthConvertLayerKernel &operator=(NEDepthConvertLayerKernel &&) = default;
+ /** Default destructor */
+ ~NEDepthConvertLayerKernel() = default;
+ /** Set the input and output of the kernel
+ *
+ * Valid conversions Input -> Output :
+ *
+ * - QASYMM8_SIGNED -> S16, S32, F32, F16
+ * - QASYMM8 -> U16, S16, S32, F32, F16
+ * - U8 -> U16, S16, S32, F32, F16
+ * - U16 -> U8, U32
+ * - S16 -> QASYMM8_SIGNED, U8, S32
+ * - BFLOAT16 -> F32
+ * - F16 -> QASYMM8_SIGNED, QASYMM8, F32, S32, U8
+ * - S32 -> QASYMM8_SIGNED, QASYMM8, F16, F32, U8
+ * - F32 -> QASYMM8_SIGNED, QASYMM8, BFLOAT16, F16, S32, U8
+ *
+ * @param[in] input The input tensor to convert. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/BFLOAT16/F16/F32.
+ * @param[out] output The output tensor. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/U32/S32/BFLOAT16/F16/F32.
+ * @param[in] policy Conversion policy.
+ * @param[in] shift (Optional) Value for down/up conversions. Must be 0 <= shift < 8.
+ */
+ void configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift = 0);
+ /** Static function to check if given info will lead to a valid configuration of @ref NEDepthConvertLayerKernel
+ *
+ * @param[in] input Source tensor info. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/BFLOAT16/F16/F32.
+ * @param[in] output Destination tensor info. Data type supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/U32/S32/BFLOAT16/F16/F32.
+ * @param[in] policy Conversion policy
+ * @param[in] shift (Optional) Value for down/up conversions. Must be 0 <= shift < 8.
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy, uint32_t shift = 0);
+
+ // Inherited methods overridden:
+ void run(const Window &window, const ThreadInfo &info) override;
+
+private:
+ const ITensor *_input;
+ ITensor *_output;
+ ConvertPolicy _policy;
+ uint32_t _shift;
+};
+} // namespace arm_compute
+#endif /*ARM_COMPUTE_NEDEPTHCONVERTKERNEL_H */