COMPMID-2450: Implement CLMaxUnpoolingLayer

- Add OpenCL kernel for Max unpooling layer
- Add tests for validating the result

Change-Id: If7ca79566a1198e3141f880abf46738980a62c81
Signed-off-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3606
Reviewed-by: Pablo Marquez <pablo.tello@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/runtime/CL/functions/CLMaxUnpoolingLayer.cpp b/src/runtime/CL/functions/CLMaxUnpoolingLayer.cpp
new file mode 100644
index 0000000000..3e32c55067
--- /dev/null
+++ b/src/runtime/CL/functions/CLMaxUnpoolingLayer.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 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.
+ */
+#include "arm_compute/runtime/CL/functions/CLMaxUnpoolingLayer.h"
+
+#include "arm_compute/core/CL/ICLTensor.h"
+#include "arm_compute/core/CL/kernels/CLMaxUnpoolingLayerKernel.h"
+#include "arm_compute/core/PixelValue.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/runtime/CL/CLScheduler.h"
+
+namespace arm_compute
+{
+CLMaxUnpoolingLayer::CLMaxUnpoolingLayer()
+    : _memset_kernel(), _unpooling_layer_kernel()
+{
+}
+
+void CLMaxUnpoolingLayer::configure(ICLTensor *input, ICLTensor *indices, ICLTensor *output, const PoolingLayerInfo &pool_info)
+{
+    configure(CLKernelLibrary::get().get_compile_context(), input, indices, output, pool_info);
+}
+
+void CLMaxUnpoolingLayer::configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *indices, ICLTensor *output, const PoolingLayerInfo &pool_info)
+{
+    const PixelValue zero_value(0.f);
+    _memset_kernel.configure(output, zero_value);
+
+    _unpooling_layer_kernel.configure(compile_context, input, indices, output, pool_info);
+}
+
+Status CLMaxUnpoolingLayer::validate(const ITensorInfo *input, const ITensorInfo *indices, const ITensorInfo *output, const PoolingLayerInfo &pool_info)
+{
+    return CLMaxUnpoolingLayerKernel::validate(input, indices, output, pool_info);
+}
+
+void CLMaxUnpoolingLayer::run()
+{
+    // Run memset
+    CLScheduler::get().enqueue(_memset_kernel, false);
+
+    // Run max unpooling layer
+    CLScheduler::get().enqueue(_unpooling_layer_kernel);
+}
+} /* namespace arm_compute */