From 555d1109dd566661bcf911c28030927cf4fde5b4 Mon Sep 17 00:00:00 2001
From: Michele Di Giorgio <michele.digiorgio@arm.com>
Date: Wed, 12 Sep 2018 13:51:59 +0100
Subject: COMPMID-1577: Add NormalizePlanarYUVLayer to graph API

Change-Id: Iadcf8205ff842330f7242f870705e9ea677ec419
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/148105
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
---
 arm_compute/graph/backends/FunctionHelpers.h | 38 ++++++++++++++++++++++++++++
 arm_compute/graph/backends/ValidateHelpers.h | 24 ++++++++++++++++++
 2 files changed, 62 insertions(+)

(limited to 'arm_compute/graph/backends')

diff --git a/arm_compute/graph/backends/FunctionHelpers.h b/arm_compute/graph/backends/FunctionHelpers.h
index b1446ea493..88d6ce15b9 100644
--- a/arm_compute/graph/backends/FunctionHelpers.h
+++ b/arm_compute/graph/backends/FunctionHelpers.h
@@ -621,6 +621,44 @@ std::unique_ptr<IFunction> create_normalization_layer(NormalizationLayerNode &no
     return std::move(func);
 }
 
+/** Create a backend normalize planar YUV layer function
+ *
+ * @tparam NormalizePlanarYUVLayerFunction Backend normalize planar YUV function
+ * @tparam TargetInfo                      Target-specific information
+ *
+ * @param[in] node Node to create the backend function for
+ *
+ * @return Backend normalize plnar YUV layer function
+ */
+template <typename NormalizePlanarYUVLayerFunction, typename TargetInfo>
+std::unique_ptr<IFunction> create_normalize_planar_yuv_layer(NormalizePlanarYUVLayerNode &node)
+{
+    validate_node<TargetInfo>(node, 3 /* expected inputs */, 1 /* expected outputs */);
+
+    // Extract IO and info
+    typename TargetInfo::TensorType *input  = get_backing_tensor<TargetInfo>(node.input(0));
+    typename TargetInfo::TensorType *mean   = get_backing_tensor<TargetInfo>(node.input(1));
+    typename TargetInfo::TensorType *std    = get_backing_tensor<TargetInfo>(node.input(2));
+    typename TargetInfo::TensorType *output = get_backing_tensor<TargetInfo>(node.output(0));
+    ARM_COMPUTE_ERROR_ON(input == nullptr);
+    ARM_COMPUTE_ERROR_ON(mean == nullptr);
+    ARM_COMPUTE_ERROR_ON(std == nullptr);
+    ARM_COMPUTE_ERROR_ON(output == nullptr);
+
+    // Create and configure function
+    auto func = support::cpp14::make_unique<NormalizePlanarYUVLayerFunction>();
+    func->configure(input, output, mean, std);
+
+    // Log info
+    ARM_COMPUTE_LOG_GRAPH_INFO("Instantiated " << node.type()
+                               << " Target " << TargetInfo::TargetType
+                               << " Data Type: " << input->info()->data_type()
+                               << " Shape: " << input->info()->tensor_shape()
+                               << std::endl);
+
+    return std::move(func);
+}
+
 /** Create a backend permute layer function
  *
  * @tparam PermuteLayerFunction Backend permute function
diff --git a/arm_compute/graph/backends/ValidateHelpers.h b/arm_compute/graph/backends/ValidateHelpers.h
index e8b8af154f..1de3aa9a31 100644
--- a/arm_compute/graph/backends/ValidateHelpers.h
+++ b/arm_compute/graph/backends/ValidateHelpers.h
@@ -179,6 +179,30 @@ Status validate_depthwise_convolution_layer(DepthwiseConvolutionLayerNode &node)
     return status;
 }
 
+/** Validates a NormalizePlanarYUV layer node
+ *
+ * @tparam NormalizePlanarYUVLayer layer type
+ *
+ * @param[in] node Node to validate
+ *
+ * @return Status
+ */
+template <typename NormalizePlanarYUVLayer>
+Status validate_normalize_planar_yuv_layer(NormalizePlanarYUVLayerNode &node)
+{
+    ARM_COMPUTE_LOG_GRAPH_VERBOSE("Validating NormalizePlanarYUVLayer node with ID : " << node.id() << " and Name: " << node.name() << std::endl);
+    ARM_COMPUTE_RETURN_ERROR_ON(node.num_inputs() != 3);
+    ARM_COMPUTE_RETURN_ERROR_ON(node.num_outputs() != 1);
+
+    // Extract IO and info
+    arm_compute::ITensorInfo *input  = detail::get_backing_tensor_info(node.input(0));
+    arm_compute::ITensorInfo *mean   = detail::get_backing_tensor_info(node.input(1));
+    arm_compute::ITensorInfo *std    = detail::get_backing_tensor_info(node.input(2));
+    arm_compute::ITensorInfo *output = get_backing_tensor_info(node.output(0));
+
+    // Validate function
+    return NormalizePlanarYUVLayer::validate(input, output, mean, std);
+}
 /** Validates a permute layer node
  *
  * @tparam PermuteLayer Permute layer type
-- 
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