IVGCVSW-1898 : Ref backend folder structure

* Reference backend is renamed to backends/reference as per
  https://confluence.arm.com/display/MLENG/Pluggable+backends

Change-Id: I27a13c274eb60995dfb459e3c49c0e2f60bcd32c

1 files changed, 155 insertions, 0 deletions

diff --git a/src/backends/reference/RefLayerSupport.hpp b/src/backends/reference/RefLayerSupport.hpp
new file mode 100644
index 0000000000..ff2e7e387f
--- /dev/null
+++ b/src/backends/reference/RefLayerSupport.hpp
@@ -0,0 +1,155 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include <armnn/DescriptorsFwd.hpp>
+#include <armnn/Types.hpp>
+#include <armnn/Tensor.hpp>
+#include <layers/LstmLayer.hpp>
+#include <boost/optional.hpp>
+
+#include <boost/optional.hpp>
+
+namespace armnn
+{
+
+bool IsActivationSupportedRef(const TensorInfo& input,
+                              const TensorInfo& output,
+                              const ActivationDescriptor& descriptor,
+                              std::string* reasonIfUnsupported = nullptr);
+
+bool IsAdditionSupportedRef(const TensorInfo& input0,
+                            const TensorInfo& input1,
+                            const TensorInfo& output,
+                            std::string* reasonIfUnsupported = nullptr);
+
+bool IsBatchNormalizationSupportedRef(const TensorInfo& input,
+                                      const TensorInfo& output,
+                                      const TensorInfo& mean,
+                                      const TensorInfo& var,
+                                      const TensorInfo& beta,
+                                      const TensorInfo& gamma,
+                                      const BatchNormalizationDescriptor& descriptor,
+                                      std::string* reasonIfUnsupported = nullptr);
+
+bool IsConstantSupportedRef(const TensorInfo& output,
+                            std::string* reasonIfUnsupported = nullptr);
+
+bool IsConvolution2dSupportedRef(const TensorInfo& input,
+                                 const TensorInfo& output,
+                                 const Convolution2dDescriptor& descriptor,
+                                 const TensorInfo& weights,
+                                 const boost::optional<TensorInfo>& biases,
+                                 std::string* reasonIfUnsupported = nullptr);
+
+bool IsDepthwiseConvolutionSupportedRef(const TensorInfo& input,
+                                        const TensorInfo& output,
+                                        const DepthwiseConvolution2dDescriptor& descriptor,
+                                        const TensorInfo& weights,
+                                        const boost::optional<TensorInfo>& biases,
+                                        std::string* reasonIfUnsupported = nullptr);
+
+bool IsDivisionSupportedRef(const TensorInfo& input0,
+                            const TensorInfo& input1,
+                            const TensorInfo& output,
+                            std::string* reasonIfUnsupported = nullptr);
+
+bool IsSubtractionSupportedRef(const TensorInfo& input0,
+                               const TensorInfo& input1,
+                               const TensorInfo& output,
+                               std::string* reasonIfUnsupported = nullptr);
+
+bool IsFullyConnectedSupportedRef(const TensorInfo& input,
+                                  const TensorInfo& output,
+                                  const TensorInfo& weights,
+                                  const TensorInfo& biases,
+                                  const FullyConnectedDescriptor& descriptor,
+                                  std::string* reasonIfUnsupported = nullptr);
+
+bool IsInputSupportedRef(const TensorInfo& input,
+                         std::string* reasonIfUnsupported = nullptr);
+
+bool IsL2NormalizationSupportedRef(const TensorInfo& input,
+                                   const TensorInfo& output,
+                                   std::string* reasonIfUnsupported = nullptr);
+
+bool IsLstmSupportedRef(const TensorInfo& input, const TensorInfo& outputStateIn,
+                        const TensorInfo& cellStateIn, const TensorInfo& scratchBuffer,
+                        const TensorInfo& outputStateOut, const TensorInfo& cellStateOut,
+                        const TensorInfo& output, const LstmDescriptor& descriptor,
+                        const TensorInfo& inputToForgetWeights, const TensorInfo& inputToCellWeights,
+                        const TensorInfo& inputToOutputWeights, const TensorInfo& recurrentToForgetWeights,
+                        const TensorInfo& recurrentToCellWeights, const TensorInfo& recurrentToOutputWeights,
+                        const TensorInfo& forgetGateBias, const TensorInfo& cellBias,
+                        const TensorInfo& outputGateBias, const TensorInfo* inputToInputWeights,
+                        const TensorInfo* recurrentToInputWeights, const TensorInfo* cellToInputWeights,
+                        const TensorInfo* inputGateBias, const TensorInfo* projectionWeights,
+                        const TensorInfo* projectionBias, const TensorInfo* cellToForgetWeights,
+                        const TensorInfo* cellToOutputWeights, std::string* reasonIfUnsupported = nullptr);
+
+bool IsMergerSupportedRef(const std::vector<const TensorInfo*> inputs,
+                          const OriginsDescriptor& descriptor,
+                          std::string* reasonIfUnsupported = nullptr);
+
+bool IsMultiplicationSupportedRef(const TensorInfo& input0,
+                                  const TensorInfo& input1,
+                                  const TensorInfo& output,
+                                  std::string* reasonIfUnsupported = nullptr);
+
+bool IsNormalizationSupportedRef(const TensorInfo& input,
+                                 const TensorInfo& output,
+                                 const NormalizationDescriptor& descriptor,
+                                 std::string* reasonIfUnsupported = nullptr);
+
+bool IsOutputSupportedRef(const TensorInfo& output,
+                          std::string* reasonIfUnsupported = nullptr);
+
+bool IsPermuteSupportedRef(const TensorInfo& input,
+                           const TensorInfo& output,
+                           const PermuteDescriptor& descriptor,
+                           std::string* reasonIfUnsupported = nullptr);
+
+bool IsPooling2dSupportedRef(const TensorInfo& input,
+                             const TensorInfo& output,
+                             const Pooling2dDescriptor& descriptor,
+                             std::string* reasonIfUnsupported = nullptr);
+
+bool IsResizeBilinearSupportedRef(const TensorInfo& input,
+                                  std::string* reasonIfUnsupported = nullptr);
+
+bool IsSoftmaxSupportedRef(const TensorInfo& input,
+                           const TensorInfo& output,
+                           const SoftmaxDescriptor& descriptor,
+                           std::string* reasonIfUnsupported = nullptr);
+
+bool IsSplitterSupportedRef(const TensorInfo& input,
+                            const ViewsDescriptor& descriptor,
+                            std::string* reasonIfUnsupported = nullptr);
+
+bool IsFakeQuantizationSupportedRef(const TensorInfo& input,
+                                    const FakeQuantizationDescriptor& descriptor,
+                                    std::string* reasonIfUnsupported = nullptr);
+
+bool IsReshapeSupportedRef(const TensorInfo& input,
+                           std::string* reasonIfUnsupported = nullptr);
+
+bool IsFloorSupportedRef(const TensorInfo& input,
+                         const TensorInfo& output,
+                         std::string* reasonIfUnsupported = nullptr);
+
+bool IsConvertFp16ToFp32SupportedRef(const TensorInfo& input,
+                                     const TensorInfo& output,
+                                     std::string* reasonIfUnsupported = nullptr);
+
+bool IsConvertFp32ToFp16SupportedRef(const TensorInfo& input,
+                                     const TensorInfo& output,
+                                     std::string* reasonIfUnsupported = nullptr);
+
+bool IsMeanSupportedRef(const TensorInfo& input,
+                        const TensorInfo& output,
+                        const MeanDescriptor& descriptor,
+                        std::string* reasonIfUnsupported = nullptr);
+
+}