COMPMID-424 Implemented reference implementation and tests for WarpAffine

Change-Id: I4924ab1de17adc3b880a5cc22f2497abbc8e221b
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/85820
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Steven Niu <steven.niu@arm.com>

1 files changed, 121 insertions, 0 deletions

diff --git a/tests/validation/fixtures/WarpAffineFixture.h b/tests/validation/fixtures/WarpAffineFixture.h
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+++ b/tests/validation/fixtures/WarpAffineFixture.h
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+/*
+ * Copyright (c) 2017 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.
+ */
+#ifndef ARM_COMPUTE_TEST_WARP_AFFINE_FIXTURE
+#define ARM_COMPUTE_TEST_WARP_AFFINE_FIXTURE
+
+#include <memory>
+
+#include "arm_compute/core/TensorShape.h"
+#include "arm_compute/core/Types.h"
+#include "tests/AssetsLibrary.h"
+#include "tests/Globals.h"
+#include "tests/IAccessor.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Fixture.h"
+#include "tests/validation/CPP/Utils.h"
+#include "tests/validation/CPP/WarpAffine.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+template <typename TensorType, typename AccessorType, typename FunctionType, typename T>
+class WarpAffineValidationFixture : public framework::Fixture
+{
+public:
+    template <typename...>
+    void setup(TensorShape shape, DataType data_type, InterpolationPolicy policy, BorderMode border_mode)
+    {
+        // Generate a random constant value if border_mode is constant
+        std::mt19937                           gen(library->seed());
+        std::uniform_int_distribution<uint8_t> distribution_u8(0, 255);
+        uint8_t                                constant_border_value = distribution_u8(gen);
+
+        // Create the matrix
+        std::array<float, 6> matrix{ {} };
+        fill_warp_matrix<6>(matrix, 3, 2);
+
+        _target    = compute_target(shape, data_type, matrix.data(), policy, border_mode, constant_border_value);
+        _reference = compute_reference(shape, data_type, matrix.data(), policy, border_mode, constant_border_value);
+    }
+
+protected:
+    template <typename U>
+    void fill(U &&tensor)
+    {
+        library->fill_tensor_uniform(tensor, 0);
+    }
+
+    TensorType compute_target(const TensorShape &shape, DataType data_type, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value)
+    {
+        // Create tensors
+        TensorType src = create_tensor<TensorType>(shape, data_type);
+        TensorType dst = create_tensor<TensorType>(shape, data_type);
+
+        // Create and configure function
+        FunctionType warp_affine;
+        warp_affine.configure(&src, &dst, matrix, policy, border_mode, constant_border_value);
+
+        ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+        // Allocate tensors
+        src.allocator()->allocate();
+        dst.allocator()->allocate();
+        ARM_COMPUTE_EXPECT(!src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(!dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+        // Fill tensors
+        fill(AccessorType(src));
+
+        // Compute function
+        warp_affine.run();
+
+        return dst;
+    }
+
+    SimpleTensor<T> compute_reference(const TensorShape &shape, DataType data_type, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value)
+    {
+        // Create reference
+        SimpleTensor<T> src{ shape, data_type };
+
+        // Create the valid mask Tensor
+        _valid_mask = SimpleTensor<T>(shape, data_type);
+
+        // Fill reference
+        fill(src);
+
+        return reference::warp_affine<T>(src, _valid_mask, matrix, policy, border_mode, constant_border_value);
+    }
+
+    TensorType      _target{};
+    SimpleTensor<T> _reference{};
+    SimpleTensor<T> _valid_mask{};
+};
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_WARP_AFFINE_FIXTURE */
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