From f0bd68386cc8598f702b1df2d1ba60094e6a9d97 Mon Sep 17 00:00:00 2001
From: Pablo Tello <pablo.tello@arm.com>
Date: Fri, 26 Apr 2019 17:58:13 +0100
Subject: MLCE-101: Adding dilation support in conv and dconv

Added support for dilation in DepthwiseConvolution2d in the
Neon and CL backends.

Change-Id: Ie1522b498c07f80d6efcf9dc79e926c8cfa06ca5
Signed-off-by: Pablo Tello <pablo.tello@arm.com>
---
 src/backends/reference/RefLayerSupport.cpp | 24 +++++++++++++++++++++++-
 src/backends/reference/RefLayerSupport.hpp |  8 ++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

(limited to 'src/backends/reference')

diff --git a/src/backends/reference/RefLayerSupport.cpp b/src/backends/reference/RefLayerSupport.cpp
index 8eded84e09..a1d8e7de81 100644
--- a/src/backends/reference/RefLayerSupport.cpp
+++ b/src/backends/reference/RefLayerSupport.cpp
@@ -429,7 +429,29 @@ bool RefLayerSupport::IsDetectionPostProcessSupported(const armnn::TensorInfo& i
                                      &TrueFunc<>);
 }
 
-bool RefLayerSupport::IsDivisionSupported(const TensorInfo& input0,
+bool RefLayerSupport::IsDilatedDepthwiseConvolutionSupported(const TensorInfo& input,
+                                                             const TensorInfo& output,
+                                                             const DepthwiseConvolution2dDescriptor& descriptor,
+                                                             const TensorInfo& weights,
+                                                             const Optional<TensorInfo>& biases,
+                                                             Optional<std::string&> reasonIfUnsupported) const
+{
+    if (descriptor.m_DilationY == 1 && descriptor.m_DilationY == 1)
+    {
+        return IsDepthwiseConvolutionSupported(input, output, descriptor, weights, biases, reasonIfUnsupported);
+    }
+    else
+    {
+        if (reasonIfUnsupported)
+        {
+            reasonIfUnsupported.value() = "Reference Depthwise Convolution: Dilation parameters must be 1";
+        }
+        return false;
+    }
+}
+
+
+    bool RefLayerSupport::IsDivisionSupported(const TensorInfo& input0,
                                           const TensorInfo& input1,
                                           const TensorInfo& output,
                                           Optional<std::string&> reasonIfUnsupported) const
diff --git a/src/backends/reference/RefLayerSupport.hpp b/src/backends/reference/RefLayerSupport.hpp
index 53a1abf150..9b1a95cdcd 100644
--- a/src/backends/reference/RefLayerSupport.hpp
+++ b/src/backends/reference/RefLayerSupport.hpp
@@ -74,6 +74,14 @@ public:
                                          const DetectionPostProcessDescriptor& descriptor,
                                          Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
 
+    bool IsDilatedDepthwiseConvolutionSupported(const TensorInfo& input,
+                                                const TensorInfo& output,
+                                                const DepthwiseConvolution2dDescriptor& descriptor,
+                                                const TensorInfo& weights,
+                                                const Optional<TensorInfo>& biases,
+                                                Optional<std::string&> reasonIfUnsupported =
+                                                    EmptyOptional()) const override;
+
     bool IsDivisionSupported(const TensorInfo& input0,
                              const TensorInfo& input1,
                              const TensorInfo& output,
-- 
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