Make ClPixelWiseMultiplicationKernel stateless

Partially resolves: COMPMID-4183

Signed-off-by: Sheri Zhang <sheri.zhang@arm.com>
Change-Id: Ibc08d2d84d023ef8b23ed44d534aa1ca24515e4d
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5274
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/runtime/gpu/cl/operators/ClPixelWiseMultiplication.cpp b/src/runtime/gpu/cl/operators/ClPixelWiseMultiplication.cpp
new file mode 100644
index 0000000..c4f11a4
--- /dev/null
+++ b/src/runtime/gpu/cl/operators/ClPixelWiseMultiplication.cpp
@@ -0,0 +1,125 @@
+/*
+ * 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.
+ */
+#include "src/runtime/gpu/cl/operators/ClPixelWiseMultiplication.h"
+
+#include "arm_compute/runtime/CL/CLScheduler.h"
+#include "src/core/CL/kernels/CLFillBorderKernel.h"
+#include "src/core/gpu/cl/ClCompileContext.h"
+#include "src/core/gpu/cl/kernels/ClPixelWiseMultiplicationKernel.h"
+
+namespace arm_compute
+{
+namespace opencl
+{
+namespace
+{
+ITensorPack select_border_input(ITensorPack &tensors)
+{
+    ITensorPack pack;
+    if(tensors.get_tensor(TensorType::ACL_DST)->info()->dimension(0) > 1)
+    {
+        if(tensors.get_const_tensor(TensorType::ACL_SRC_1)->info()->dimension(0) == 1)
+        {
+            pack.add_tensor(TensorType::ACL_SRC, tensors.get_const_tensor(TensorType::ACL_SRC_1));
+        }
+        else
+        {
+            pack.add_tensor(TensorType::ACL_SRC, tensors.get_const_tensor(TensorType::ACL_SRC_0));
+        }
+    }
+    return pack;
+}
+} // namespace
+
+void ClPixelWiseMultiplication::configure(const CLCompileContext &compile_context, ITensorInfo *src1, ITensorInfo *src2, ITensorInfo *dst, float scale,
+                                          ConvertPolicy overflow_policy, RoundingPolicy rounding_policy, const ActivationLayerInfo &act_info)
+{
+    auto k = std::make_unique<kernels::ClPixelWiseMultiplicationKernel>();
+    k->configure(compile_context, src1, src2, dst, scale, overflow_policy, rounding_policy, act_info);
+    _kernel = std::move(k);
+
+    if(dst->dimension(0) > 1)
+    {
+        ITensorInfo *broadcasted_info = (src1->dimension(0) == 1) ? src1 : src2;
+
+        if(broadcasted_info->dimension(0) == 1)
+        {
+            auto b = std::make_unique<CLFillBorderKernel>();
+            b->configure(compile_context, broadcasted_info, _kernel->border_size(), BorderMode::REPLICATE);
+            _border_handler = std::move(b);
+        }
+    }
+}
+
+Status ClPixelWiseMultiplication::validate(const ITensorInfo *src1, const ITensorInfo *src2, const ITensorInfo *dst, float scale,
+                                           ConvertPolicy overflow_policy, RoundingPolicy rounding_policy, const ActivationLayerInfo &act_info)
+{
+    return kernels::ClPixelWiseMultiplicationKernel::validate(src1, src2, dst, scale, overflow_policy, rounding_policy, act_info);
+}
+
+void ClPixelWiseMultiplication::run(ITensorPack &tensors)
+{
+    if(_border_handler)
+    {
+        auto border_pack = select_border_input(tensors);
+        CLScheduler::get().enqueue_op(*_border_handler, border_pack);
+    }
+    ICLOperator::run(tensors);
+}
+
+void ClComplexPixelWiseMultiplication::configure(const CLCompileContext &compile_context, ITensorInfo *src1, ITensorInfo *src2, ITensorInfo *dst, const ActivationLayerInfo &act_info)
+{
+    auto k = std::make_unique<kernels::ClComplexPixelWiseMultiplicationKernel>();
+    k->configure(compile_context, src1, src2, dst, act_info);
+    _kernel = std::move(k);
+
+    if(dst->dimension(0) > 1)
+    {
+        ITensorInfo *broadcasted_info = (src1->dimension(0) == 1) ? src1 : src2;
+
+        if(broadcasted_info->dimension(0) == 1)
+        {
+            auto b = std::make_unique<CLFillBorderKernel>();
+            b->configure(compile_context, broadcasted_info, _kernel->border_size(), BorderMode::REPLICATE);
+            _border_handler = std::move(b);
+        }
+    }
+}
+
+Status ClComplexPixelWiseMultiplication::validate(const ITensorInfo *src1, const ITensorInfo *src2, const ITensorInfo *dst, const ActivationLayerInfo &act_info)
+{
+    return kernels::ClComplexPixelWiseMultiplicationKernel::validate(src1, src2, dst, act_info);
+}
+
+void ClComplexPixelWiseMultiplication::run(ITensorPack &tensors)
+{
+    if(_border_handler)
+    {
+        auto border_pack = select_border_input(tensors);
+        CLScheduler::get().enqueue_op(*_border_handler, border_pack);
+    }
+    ICLOperator::run(tensors);
+}
+} // namespace opencl
+} // namespace arm_compute
\ No newline at end of file