COMPMID-2308: NEConvolutionLayer: support QUANT8_SYMM_PER_CHANNEL filters

Change-Id: Ic1bf5f0d21ccd525f84213a360f7e199d7f50577
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/2177
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/arm_compute/core/NEON/kernels/NEConvertQuantizedSignednessKernel.h b/arm_compute/core/NEON/kernels/NEConvertQuantizedSignednessKernel.h
new file mode 100644
index 0000000000..d3f0907273
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/NEConvertQuantizedSignednessKernel.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2019 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_NECONVERTQUANTIZEDSIGNEDNESSKERNEL_H__
+#define __ARM_COMPUTE_NECONVERTQUANTIZEDSIGNEDNESSKERNEL_H__
+
+#include "arm_compute/core/NEON/INEKernel.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+// Forward declarations
+class ITensor;
+
+/** NEON kernel to convert asymmetric signed to asymmetric signed and vice-versa */
+class NEConvertQuantizedSignednessKernel : public INEKernel
+{
+public:
+    const char *name() const override
+    {
+        return "NEConvertQuantizedSignednessKernel";
+    }
+    /** Default constructor */
+    NEConvertQuantizedSignednessKernel();
+    /** Prevent instances of this class from being copied (As this class contains pointers). */
+    NEConvertQuantizedSignednessKernel(const NEConvertQuantizedSignednessKernel &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers). */
+    NEConvertQuantizedSignednessKernel &operator=(const NEConvertQuantizedSignednessKernel &) = delete;
+    /** Allow instances of this class to be moved */
+    NEConvertQuantizedSignednessKernel(NEConvertQuantizedSignednessKernel &&) = default;
+    /** Allow instances of this class to be moved */
+    NEConvertQuantizedSignednessKernel &operator=(NEConvertQuantizedSignednessKernel &&) = default;
+    /** Initialize the kernel's input, output.
+     *
+     * @param[in]  input  Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED.
+     * @param[out] output Destination tensor. Data types supported: opposite of @p input.
+     */
+    void configure(const ITensor *input, ITensor *output);
+    /** Static function to check if given info will lead to a valid configuration of @ref NECopyKernel
+     *
+     * @param[in] input  Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED.
+     * @param[in] output Destination tensor. Data types supported: opposite of @p input.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output);
+
+    // Inherited methods overridden:
+    void run(const Window &window, const ThreadInfo &info) override;
+
+private:
+    const ITensor *_input;
+    ITensor       *_output;
+};
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_NECONVERTQUANTIZEDSIGNEDNESSKERNEL_H__ */