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+/*
+ * Copyright (c) 2023 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 CKW_INCLUDE_CKW_TENSORSAMPLER_H
+#define CKW_INCLUDE_CKW_TENSORSAMPLER_H
+
+#include "ckw/types/TensorSamplerTypes.h"
+#include "ckw/types/TensorStorageType.h"
+
+namespace ckw
+{
+
+/** Tensor sampler
+ *
+ * It contains information about how the tensor is sampled. It can be used to
+ * tell how a tile should be stored to tensor memory, and how a tensor should be
+ * sampled to get the values stored in a tile. Where to sample the tensor is
+ * defined with the coordinates respecting the addressing modes, storage type and
+ * the tensor format defined in this class.
+ */
+class TensorSampler
+{
+public:
+ /** Initialize a new instance of @ref TensorSampler class. */
+ TensorSampler();
+
+ /** Initialize a new instance of @ref TensorSampler class.
+ *
+ * @param[in] storage Tensor storage to load/store the tensor from/to
+ * @param[in] format The tensor data format.
+ * @param[in] address_mode_x The address mode of the x dimension.
+ * @param[in] address_mode_y The address mode of the y dimension.
+ * @param[in] address_mode_z The address mode of the z dimension.
+ */
+ TensorSampler(TensorStorageType storage,
+ TensorSamplerFormat format,
+ TensorSamplerAddressModeX address_mode_x,
+ TensorSamplerAddressModeY address_mode_y,
+ TensorSamplerAddressModeZ address_mode_z);
+
+ /** Get the storage for the tensor */
+ TensorStorageType storage() const;
+
+ /** Set the storage for the tensor */
+ TensorSampler &storage(TensorStorageType storage);
+
+ /** Get the format of the tensor. */
+ TensorSamplerFormat format() const;
+
+ /** Set the format of the tensor. */
+ TensorSampler &format(TensorSamplerFormat format);
+
+ /** Get the address mode of the x dimension. */
+ TensorSamplerAddressModeX address_mode_x() const;
+
+ /** Set the address mode of the x dimension. */
+ TensorSampler &address_mode_x(TensorSamplerAddressModeX address_mode_x);
+
+ /** Get the address mode of the y dimension. */
+ TensorSamplerAddressModeY address_mode_y() const;
+
+ /** Set the address mode of the y dimension. */
+ TensorSampler &address_mode_y(TensorSamplerAddressModeY address_mode_y);
+
+ /** Get the address mode of the z dimension. */
+ TensorSamplerAddressModeZ address_mode_z() const;
+
+ /** Set the address mode of the z dimension. */
+ TensorSampler &address_mode_z(TensorSamplerAddressModeZ address_mode_z);
+
+private:
+ TensorStorageType _storage{TensorStorageType::BufferUint8Ptr};
+ TensorSamplerFormat _format{TensorSamplerFormat::Unknown};
+ TensorSamplerAddressModeX _address_mode_x{TensorSamplerAddressModeX::Unknown};
+ TensorSamplerAddressModeY _address_mode_y{TensorSamplerAddressModeY::Unknown};
+ TensorSamplerAddressModeZ _address_mode_z{TensorSamplerAddressModeZ::Unknown};
+};
+
+} // namespace ckw
+
+#endif // CKW_PROTOTYPE_INCLUDE_CKW_TENSORSAMPLER_H