Added Qasymm8 datatype support to CLROIPoolingLayer with Tests

Also fixes RoiPoolingLayer not matching reference with Float32 datatype Issue
Tests added to check ROIPooling Layer against reference with both Float32 and Qasymm8 input.
Resolves : COMPMID-2320

Change-Id: Ib86d2e6b3803e74f922a545ea573da02c28e54cc
Signed-off-by: Suhail Munshi <MohammedSuhail.Munshi@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5332
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
diff --git a/tests/validation/CL/ROIPoolingLayer.cpp b/tests/validation/CL/ROIPoolingLayer.cpp
new file mode 100644
index 0000000..eb16c1b
--- /dev/null
+++ b/tests/validation/CL/ROIPoolingLayer.cpp
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/runtime/CL/CLScheduler.h"
+#include "arm_compute/runtime/CL/functions/CLROIPoolingLayer.h"
+#include "tests/CL/CLAccessor.h"
+#include "tests/Globals.h"
+#include "tests/datasets/ROIDataset.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/datasets/Datasets.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/fixtures/ROIPoolingLayerFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace
+{
+RelativeTolerance<float> relative_tolerance_f32(0.01f);
+AbsoluteTolerance<float> absolute_tolerance_f32(0.001f);
+
+constexpr AbsoluteTolerance<uint8_t> tolerance_qasymm8(1);
+} // end namespace
+
+TEST_SUITE(CL)
+TEST_SUITE(RoiPooling)
+
+// *INDENT-OFF*
+// clang-format off
+DATA_TEST_CASE(Validate, framework::DatasetMode::ALL, zip(zip(zip(zip(
+               framework::dataset::make("InputInfo", { TensorInfo(TensorShape(250U, 128U, 3U), 1, DataType::F32), // Successful test
+                                                       TensorInfo(TensorShape(250U, 128U, 3U), 1, DataType::QASYMM8), // Successful test (quantized)
+                                                       TensorInfo(TensorShape(250U, 128U, 3U), 1, DataType::F32), // Incorrect rois type
+                                                       TensorInfo(TensorShape(250U, 128U, 3U), 1, DataType::F32), // Mismatching data type input/output
+                                                       TensorInfo(TensorShape(250U, 128U, 2U), 1, DataType::F32), // Mismatching depth size input/output
+                                                       TensorInfo(TensorShape(250U, 128U, 3U), 1, DataType::F32), // Mismatching number of rois and output batch size
+                                                       TensorInfo(TensorShape(250U, 128U, 3U), 1, DataType::F32), // Invalid number of values per ROIS
+                                                       TensorInfo(TensorShape(250U, 128U, 3U), 1, DataType::F32), // Mismatching height and width input/output
+
+                                                     }),
+               framework::dataset::make("RoisInfo", { TensorInfo(TensorShape(5, 4U), 1, DataType::U16),
+                                                      TensorInfo(TensorShape(5, 4U), 1, DataType::U16),
+                                                      TensorInfo(TensorShape(5, 4U), 1, DataType::F16),
+                                                      TensorInfo(TensorShape(5, 4U), 1, DataType::U16),
+                                                      TensorInfo(TensorShape(5, 4U), 1, DataType::U16),
+                                                      TensorInfo(TensorShape(5, 10U), 1, DataType::U16),
+                                                      TensorInfo(TensorShape(4, 4U), 1, DataType::U16),
+                                                      TensorInfo(TensorShape(5, 4U), 1, DataType::U16),
+                                                    })),
+               framework::dataset::make("OutputInfo",{ TensorInfo(TensorShape(7U, 7U, 3U, 4U), 1, DataType::F32),
+                                                       TensorInfo(TensorShape(7U, 7U, 3U, 4U), 1, DataType::QASYMM8),
+                                                       TensorInfo(TensorShape(7U, 7U, 3U, 4U), 1, DataType::F32),
+                                                       TensorInfo(TensorShape(7U, 7U, 3U, 4U), 1, DataType::F16),
+                                                       TensorInfo(TensorShape(7U, 7U, 3U, 4U), 1, DataType::F32),
+                                                       TensorInfo(TensorShape(7U, 7U, 3U, 4U), 1, DataType::F32),
+                                                       TensorInfo(TensorShape(7U, 7U, 3U, 4U), 1, DataType::F32),
+                                                       TensorInfo(TensorShape(5U, 5U, 3U, 4U), 1, DataType::F32),
+                                                     })),
+               framework::dataset::make("PoolInfo", { ROIPoolingLayerInfo(7U, 7U, 1./8),
+                                                      ROIPoolingLayerInfo(7U, 7U, 1./8),
+                                                      ROIPoolingLayerInfo(7U, 7U, 1./8),
+                                                      ROIPoolingLayerInfo(7U, 7U, 1./8),
+                                                      ROIPoolingLayerInfo(7U, 7U, 1./8),
+                                                      ROIPoolingLayerInfo(7U, 7U, 1./8),
+                                                      ROIPoolingLayerInfo(7U, 7U, 1./8),
+                                                      ROIPoolingLayerInfo(7U, 7U, 1./8),
+                                                      })),
+               framework::dataset::make("Expected", { true, true, false, false, false, false, false })),
+               input_info, rois_info, output_info, pool_info, expected)
+{
+    ARM_COMPUTE_EXPECT(bool(CLROIPoolingLayer::validate(&input_info.clone()->set_is_resizable(true), &rois_info.clone()->set_is_resizable(true), &output_info.clone()->set_is_resizable(true), pool_info)) == expected, framework::LogLevel::ERRORS);
+}
+
+using CLROIPoolingLayerFloatFixture = ROIPoolingLayerFixture<CLTensor, CLAccessor, CLROIPoolingLayer, float>;
+
+TEST_SUITE(Float)
+FIXTURE_DATA_TEST_CASE(Small, CLROIPoolingLayerFloatFixture, framework::DatasetMode::ALL,
+                       framework::dataset::combine(framework::dataset::combine(datasets::SmallROIDataset(),
+                                                    framework::dataset::make("DataType", { DataType::F32 })),
+                                                    framework::dataset::make("DataLayout", { DataLayout::NCHW })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, relative_tolerance_f32, .02f, absolute_tolerance_f32);
+}
+
+TEST_SUITE_END() // Float test suite end
+
+// Begin quantized tests
+template <typename T>
+using CLROIPoolingLayerQuantizedFixture = ROIPoolingLayerQuantizedFixture<CLTensor, CLAccessor, CLROIPoolingLayer, T>;
+
+TEST_SUITE(QASYMM8)
+
+FIXTURE_DATA_TEST_CASE(Small, CLROIPoolingLayerQuantizedFixture<uint8_t>, framework::DatasetMode::ALL,
+                       combine(combine(combine(combine(datasets::SmallROIDataset(),
+                                                       framework::dataset::make("DataType", { DataType::QASYMM8 })),
+                                               framework::dataset::make("DataLayout", { DataLayout::NCHW })),
+                                       framework::dataset::make("InputQuantizationInfo", { QuantizationInfo(1.f / 255.f, 127) })),
+                               framework::dataset::make("OutputQuantizationInfo", { QuantizationInfo(2.f / 255.f, 120) })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_qasymm8);
+}
+
+TEST_SUITE_END() // end qasymm8 tests
+
+TEST_SUITE_END() // RoiPooling
+TEST_SUITE_END() // NEON
+
+} // validation namespace end
+} // test namespace end
+} // arm_compute namespace end