IVGCVSW-5391 'ArmNN TfLiteDelegate: Implement the Space/Depth operators'

* Added DEPTH_TO_SPACE and SPACE_TO_DEPTH operators support

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I2595f759181bd7339127e7b114b850b534210dd5
diff --git a/delegate/src/test/SpaceDepthTest.cpp b/delegate/src/test/SpaceDepthTest.cpp
new file mode 100644
index 0000000..f80e749
--- /dev/null
+++ b/delegate/src/test/SpaceDepthTest.cpp
@@ -0,0 +1,207 @@
+//
+// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "SpaceDepthTestHelper.hpp"
+
+#include <armnn_delegate.hpp>
+
+#include <flatbuffers/flatbuffers.h>
+#include <tensorflow/lite/schema/schema_generated.h>
+
+#include <doctest/doctest.h>
+
+namespace armnnDelegate
+{
+
+void DepthToSpaceFp32Test(std::vector<armnn::BackendId>& backends, int blockSize)
+{
+    // Set input data
+    std::vector<int32_t> inputShape { 1, 2, 2, 4 };
+    std::vector<int32_t> outputShape { 1, 4, 4, 1 };
+
+    std::vector<float> inputValues = { 1.f,  2.f,  3.f,  4.f,
+                                       5.f,  6.f,  7.f,  8.f,
+                                       9.f, 10.f, 11.f, 12.f,
+                                       13.f, 14.f, 15.f, 16.f };
+
+    std::vector<float> expectedOutputValues = { 1.f,   2.f,   5.f,   6.f,
+                                                3.f,   4.f,   7.f,   8.f,
+                                                9.f,  10.f,  13.f,  14.f,
+                                                11.f,  12.f,  15.f,  16.f };
+
+    SpaceDepthTest<float>(tflite::BuiltinOperator_DEPTH_TO_SPACE,
+                          ::tflite::TensorType_FLOAT32,
+                          backends,
+                          inputShape,
+                          outputShape,
+                          inputValues,
+                          expectedOutputValues,
+                          blockSize);
+}
+
+void DepthToSpaceUint8Test(std::vector<armnn::BackendId>& backends, int blockSize)
+{
+    // Set input data
+    std::vector<int32_t> inputShape { 2, 1, 1, 4 };
+    std::vector<int32_t> outputShape { 2, 2, 2, 1 };
+
+    std::vector<uint8_t> inputValues = { 1,  2,  3,  4,
+                                         5,  6,  7,  8 };
+
+    std::vector<uint8_t> expectedOutputValues = { 1,  2,  3,  4,
+                                                  5,  6,  7,  8 };
+
+    SpaceDepthTest<uint8_t>(tflite::BuiltinOperator_DEPTH_TO_SPACE,
+                            ::tflite::TensorType_UINT8,
+                            backends,
+                            inputShape,
+                            outputShape,
+                            inputValues,
+                            expectedOutputValues,
+                            blockSize);
+}
+
+void SpaceToDepthFp32Test(std::vector<armnn::BackendId>& backends, int blockSize)
+{
+    // Set input data
+    std::vector<int32_t> inputShape { 1, 2, 2, 2 };
+    std::vector<int32_t> outputShape { 1, 1, 1, 8 };
+
+    std::vector<float> inputValues = { 1.4f, 2.3f, 3.2f, 4.1f, 5.4f, 6.3f, 7.2f, 8.1f };
+    std::vector<float> expectedOutputValues = { 1.4f, 2.3f, 3.2f, 4.1f, 5.4f, 6.3f, 7.2f, 8.1f };
+
+    SpaceDepthTest<float>(tflite::BuiltinOperator_SPACE_TO_DEPTH,
+                          ::tflite::TensorType_FLOAT32,
+                          backends,
+                          inputShape,
+                          outputShape,
+                          inputValues,
+                          expectedOutputValues,
+                          blockSize);
+}
+
+void SpaceToDepthUint8Test(std::vector<armnn::BackendId>& backends, int blockSize)
+{
+    // Set input data
+    std::vector<int32_t> inputShape { 1, 2, 2, 1 };
+    std::vector<int32_t> outputShape { 1, 1, 1, 4 };
+
+    std::vector<uint8_t> inputValues = { 1, 2, 3, 2 };
+    std::vector<uint8_t> expectedOutputValues = { 1, 2, 3, 2 };
+
+    SpaceDepthTest<uint8_t>(tflite::BuiltinOperator_SPACE_TO_DEPTH,
+                            ::tflite::TensorType_UINT8,
+                            backends,
+                            inputShape,
+                            outputShape,
+                            inputValues,
+                            expectedOutputValues,
+                            blockSize);
+}
+
+TEST_SUITE("DepthToSpace_CpuRefTests")
+{
+
+TEST_CASE ("DepthToSpaceFp32Test_CpuRef_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::CpuRef };
+    DepthToSpaceFp32Test(backends, 2);
+}
+
+TEST_CASE ("DepthToSpaceUint8Test_CpuRef_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::CpuRef };
+    DepthToSpaceUint8Test(backends, 2);
+}
+
+} // TEST_SUITE("DepthToSpace_CpuRefTests")
+
+
+TEST_SUITE("DepthToSpace_CpuAccTests")
+{
+
+TEST_CASE ("DepthToSpaceFp32Test_CpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::CpuAcc };
+    DepthToSpaceFp32Test(backends, 2);
+}
+
+TEST_CASE ("DepthToSpaceUint8Test_CpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::CpuAcc };
+    DepthToSpaceUint8Test(backends, 2);
+}
+
+} // TEST_SUITE("DepthToSpace_CpuAccTests")
+
+TEST_SUITE("DepthToSpace_GpuAccTests")
+{
+
+TEST_CASE ("DepthToSpaceFp32Test_GpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::GpuAcc };
+    DepthToSpaceFp32Test(backends, 2);
+}
+
+TEST_CASE ("DepthToSpaceUint8Test_GpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::GpuAcc };
+    DepthToSpaceUint8Test(backends, 2);
+}
+
+} // TEST_SUITE("DepthToSpace_GpuAccTests")
+
+TEST_SUITE("SpaceToDepth_CpuRefTests")
+{
+
+TEST_CASE ("SpaceToDepthFp32Test_CpuRef_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::CpuRef };
+    SpaceToDepthFp32Test(backends, 2);
+}
+
+TEST_CASE ("SpaceToDepthUint8Test_CpuRef_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::CpuRef };
+    SpaceToDepthUint8Test(backends, 2);
+}
+
+} // TEST_SUITE("SpaceToDepth_CpuRefTests")
+
+TEST_SUITE("SpaceToDepth_CpuAccTests")
+{
+
+TEST_CASE ("SpaceToDepthFp32Test_CpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::CpuAcc };
+    SpaceToDepthFp32Test(backends, 2);
+}
+
+TEST_CASE ("SpaceToDepthUint8Test_CpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::CpuAcc };
+    SpaceToDepthUint8Test(backends, 2);
+}
+
+} // TEST_SUITE("SpaceToDepth_CpuAccTests")
+
+TEST_SUITE("SpaceToDepth_GpuAccTests")
+{
+
+TEST_CASE ("SpaceToDepthFp32Test_GpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::GpuAcc };
+    SpaceToDepthFp32Test(backends, 2);
+}
+
+TEST_CASE ("SpaceToDepthUint8Test_GpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = { armnn::Compute::GpuAcc };
+    SpaceToDepthUint8Test(backends, 2);
+}
+
+} // TEST_SUITE("SpaceToDepth_GpuAccTests")
+
+} // namespace armnnDelegate