Port OpenCL Quantization to new API
Partially resolves: COMPMID-4193
Change-Id: Ie8367769c690442a0e30383c67851b50ab7c6742
Signed-off-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5231
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/runtime/gpu/cl/operators/ClQuantization.h b/src/runtime/gpu/cl/operators/ClQuantization.h
new file mode 100644
index 0000000..d938ff9
--- /dev/null
+++ b/src/runtime/gpu/cl/operators/ClQuantization.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2021 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_CL_QUANTIZATION_H
+#define ARM_COMPUTE_CL_QUANTIZATION_H
+
+#include "arm_compute/core/KernelDescriptors.h"
+#include "src/core/gpu/cl/ClCompileContext.h"
+#include "src/runtime/gpu/cl/IClOperator.h"
+
+namespace arm_compute
+{
+namespace opencl
+{
+/** Basic function to quantize a tensor. This function calls the following OpenCL kernel:
+ *
+ * -# @ref kernels::ClQuantizationKernel
+ */
+class ClQuantization : public IClOperator
+{
+public:
+ /** Constructor */
+ ClQuantization() = default;
+ /** Set the input and output tensors.
+ *
+ * @param[in] compile_context The compile context to be used.
+ * @param[in] src Source tensor. The dimensions over the third will be interpreted as batches. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/32.
+ * @param[out] dst Destination tensor with the same dimensions of input. Data types supported: QASYMM8/QASYMM8_SIGNED/QASYMM16.
+ *
+ * @note Output auto initialization is not supported by this function
+ */
+ void configure(const CLCompileContext &compile_context, ITensorInfo *src, ITensorInfo *dst);
+ /** Static function to check if given info will lead to a valid configuration of @ref CLQuantizationLayer
+ *
+ * @param[in] src Input tensor info. The dimensions over the third will be interpreted as batches. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/32.
+ * @param[in] dst Output tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/QASYMM16.
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *src, const ITensorInfo *dst);
+
+ // Inherited method overridden
+ void run(ITensorPack &tensors) override;
+};
+} // namespace opencl
+} //namespace arm_compute
+#endif /* ARM_COMPUTE_CL_QUANTIZATION_H */