APPBROWSER-356: Implement GCArithmeticAddition Operator

Change-Id: I4ce55e69b3a76ab3539955d5ad12a226159b1daa
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/114222
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>

2 files changed, 83 insertions, 0 deletions

diff --git a/arm_compute/core/GLES_COMPUTE/GCKernels.h b/arm_compute/core/GLES_COMPUTE/GCKernels.h
index 7af859ca7e..c6f4877fa1 100644
--- a/arm_compute/core/GLES_COMPUTE/GCKernels.h
+++ b/arm_compute/core/GLES_COMPUTE/GCKernels.h
@@ -27,6 +27,7 @@
 /* Header regrouping all the GLES compute kernels */
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCAbsoluteDifferenceKernel.h"
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.h"
+#include "arm_compute/core/GLES_COMPUTE/kernels/GCArithmeticAdditionKernel.h"
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCBatchNormalizationLayerKernel.h"
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCCol2ImKernel.h"
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCDepthConcatenateLayerKernel.h"
diff --git a/arm_compute/core/GLES_COMPUTE/kernels/GCArithmeticAdditionKernel.h b/arm_compute/core/GLES_COMPUTE/kernels/GCArithmeticAdditionKernel.h
new file mode 100644
index 0000000000..0bf88711c6
--- /dev/null
+++ b/arm_compute/core/GLES_COMPUTE/kernels/GCArithmeticAdditionKernel.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2016, 2017 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_GCARITHMETICADDITIONKERNEL_H__
+#define __ARM_COMPUTE_GCARITHMETICADDITIONKERNEL_H__
+
+#include "arm_compute/core/GLES_COMPUTE/IGCKernel.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class IGCTensor;
+
+/** Interface for the arithmetic addition kernel
+ *
+ * Arithmetic addition is computed by:
+ * @f[ output(x,y) = input1(x,y) + input2(x,y) @f]
+ */
+class GCArithmeticAdditionKernel : public IGCKernel
+{
+public:
+    /** Default constructor */
+    GCArithmeticAdditionKernel();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    GCArithmeticAdditionKernel(const GCArithmeticAdditionKernel &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    GCArithmeticAdditionKernel &operator=(const GCArithmeticAdditionKernel &) = delete;
+    /** Allow instances of this class to be moved */
+    GCArithmeticAdditionKernel(GCArithmeticAdditionKernel &&) = default;
+    /** Allow instances of this class to be moved */
+    GCArithmeticAdditionKernel &operator=(GCArithmeticAdditionKernel &&) = default;
+    /** Default destructor */
+    ~GCArithmeticAdditionKernel() = default;
+    /** Initialise the kernel's inputs, output and convertion policy.
+     *
+     * @param[in]  input1 First tensor input. Data types supported: F16.
+     * @param[in]  input2 Second tensor input. Data types supported: F16.
+     * @param[out] output Output tensor. Data types supported: F16.
+     * @param[in]  policy Policy to use to handle overflow.
+     */
+    void configure(const IGCTensor *input1, const IGCTensor *input2, IGCTensor *output, ConvertPolicy policy);
+    /** Static function to check if given info will lead to a valid configuration of @ref GCArithmeticAdditionKernel
+     *
+     * @param[in]  input1 First tensor input info. Data types supported: F16.
+     * @param[in]  input2 Second tensor input info. Data types supported: F16.
+     * @param[out] output Output tensor info. Data types supported: F16.
+     * @param[in]  policy Policy to use to handle overflow.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, ConvertPolicy policy);
+
+    // Inherited methods overridden:
+    void run(const Window &window) override;
+
+private:
+    const IGCTensor *_input1; /**< Source tensor 1 */
+    const IGCTensor *_input2; /**< Source tensor 2 */
+    IGCTensor       *_output; /**< Destination tensor */
+};
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GCARITHMETICADDITIONKERNEL_H__ */