IVGCVSW-3260 Add serialization support for SpaceToDepth

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Ie0d9561437ff5da8fa4db81fee1e70bd18c47034

1 files changed, 29 insertions, 0 deletions

diff --git a/src/armnnDeserializer/Deserializer.cpp b/src/armnnDeserializer/Deserializer.cpp
index b0e7bc2516..68f3e8d566 100644
--- a/src/armnnDeserializer/Deserializer.cpp
+++ b/src/armnnDeserializer/Deserializer.cpp
@@ -219,6 +219,7 @@ m_ParserFunctions(Layer_MAX+1, &Deserializer::ParseUnsupportedLayer)
     m_ParserFunctions[Layer_RsqrtLayer]                  = &Deserializer::ParseRsqrt;
     m_ParserFunctions[Layer_SoftmaxLayer]                = &Deserializer::ParseSoftmax;
     m_ParserFunctions[Layer_SpaceToBatchNdLayer]         = &Deserializer::ParseSpaceToBatchNd;
+    m_ParserFunctions[Layer_SpaceToDepthLayer]           = &Deserializer::ParseSpaceToDepth;
     m_ParserFunctions[Layer_SplitterLayer]               = &Deserializer::ParseSplitter;
     m_ParserFunctions[Layer_StridedSliceLayer]           = &Deserializer::ParseStridedSlice;
     m_ParserFunctions[Layer_SubtractionLayer]            = &Deserializer::ParseSubtraction;
@@ -303,6 +304,8 @@ Deserializer::LayerBaseRawPtr Deserializer::GetBaseLayer(const GraphPtr& graphPt
             return graphPtr->layers()->Get(layerIndex)->layer_as_SoftmaxLayer()->base();
         case Layer::Layer_SpaceToBatchNdLayer:
             return graphPtr->layers()->Get(layerIndex)->layer_as_SpaceToBatchNdLayer()->base();
+        case Layer::Layer_SpaceToDepthLayer:
+            return graphPtr->layers()->Get(layerIndex)->layer_as_SpaceToDepthLayer()->base();
         case Layer::Layer_SplitterLayer:
             return graphPtr->layers()->Get(layerIndex)->layer_as_SplitterLayer()->base();
         case Layer::Layer_StridedSliceLayer:
@@ -1723,6 +1726,32 @@ void Deserializer::ParseSpaceToBatchNd(GraphPtr graph, unsigned int layerIndex)
     RegisterOutputSlots(graph, layerIndex, layer);
 }
 
+void Deserializer::ParseSpaceToDepth(GraphPtr graph, unsigned int layerIndex)
+{
+    CHECK_LAYERS(graph, 0, layerIndex);
+
+    Deserializer::TensorRawPtrVector inputs = GetInputs(graph, layerIndex);
+    CHECK_VALID_SIZE(inputs.size(), 1);
+
+    Deserializer::TensorRawPtrVector outputs = GetOutputs(graph, layerIndex);
+    CHECK_VALID_SIZE(outputs.size(), 1);
+
+    auto flatBufferDescriptor = graph->layers()->Get(layerIndex)->layer_as_SpaceToDepthLayer()->descriptor();
+
+    armnn::SpaceToDepthDescriptor descriptor;
+    descriptor.m_BlockSize  = flatBufferDescriptor->blockSize();
+    descriptor.m_DataLayout = ToDataLayout(flatBufferDescriptor->dataLayout());
+
+    auto layerName = GetLayerName(graph, layerIndex);
+    IConnectableLayer* layer = m_Network->AddSpaceToDepthLayer(descriptor, layerName.c_str());
+
+    armnn::TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]);
+    layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo);
+
+    RegisterInputSlots(graph, layerIndex, layer);
+    RegisterOutputSlots(graph, layerIndex, layer);
+}
+
 armnn::NormalizationDescriptor Deserializer::GetNormalizationDescriptor(
     Deserializer::NormalizationDescriptorPtr normalizationDescriptor,
     unsigned int layerIndex)