Compute kernel writer API and prototype

* Add the public API for compute kernel writer.
* Use the prototype as the implementation of the public API.

Resolves: COMPMID-5790
Signed-off-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Change-Id: I9d80e15325e1d953feb87c1f2eb61a587bb9ab5e
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9814
Reviewed-by: Jakub Sujak <jakub.sujak@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 181 insertions, 0 deletions

diff --git a/compute_kernel_writer/include/ckw/TensorOperand.h b/compute_kernel_writer/include/ckw/TensorOperand.h
new file mode 100644
index 0000000000..130ab596fb
--- /dev/null
+++ b/compute_kernel_writer/include/ckw/TensorOperand.h
@@ -0,0 +1,181 @@
+/*
+ * 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_TENSOROPERAND_H
+#define CKW_INCLUDE_CKW_TENSOROPERAND_H
+
+#include "ckw/OperandBase.h"
+#include "ckw/TensorInfo.h"
+#include "ckw/TensorTileSampler.h"
+#include "ckw/TileOperand.h"
+#include "ckw/Types.h"
+
+#include <memory>
+
+namespace ckw
+{
+
+class TensorComponentOperand;
+
+// =================================================================================================
+// TensorOperand
+// =================================================================================================
+
+/** Tensor operand */
+class TensorOperand : public OperandBase
+{
+public:
+    /** Initialize a new instance of @ref TensorOperand class.
+     *
+     * @param[in] name       The name of the tensor.
+     * @param[in] info       The tensor info.
+     */
+    TensorOperand(const ::std::string &name, const TensorInfo &info);
+
+    /** No copy constructor. */
+    TensorOperand(const TensorOperand &other) = delete;
+
+    /** No copy assignment. */
+    TensorOperand &operator=(const TensorOperand &other) = delete;
+
+    /** (Internal use only) Create the implementation operand.
+     *
+     * @param[in] writer The implementation kernel writer.
+     */
+    virtual prototype::Operand create_impl_operand(prototype::IGpuKernelWriter *writer) const override;
+
+    /** Get the tensor info. */
+    const TensorInfo &info() const;
+
+    /** Get the tensor info. */
+    TensorInfo &info();
+
+    /** Get the data type. */
+    virtual DataType data_type() const override;
+
+    /** Get whether the tensor is compile-time constant. */
+    virtual bool is_constant() const override;
+
+    /** Get the default tile attached to the tensor. */
+    const TileOperand &tile() const;
+
+    /** Get the default tile attached to the tensor. */
+    TileOperand &tile();
+
+    /** Set the default tile attached to the tensor. */
+    TensorOperand &tile(TileOperand &tile);
+
+    /** Get the tensor sampler of the default tile. */
+    const TensorTileSampler &tile_sampler() const;
+
+    /** Get the tensor sampler of the default tile. */
+    TensorTileSampler &tile_sampler();
+
+    /** Set the tensor sampler of the default tile. */
+    TensorOperand &tile_sampler(const TensorTileSampler &value);
+
+    /** Get the operand that contains the stride in y dimension of the tensor. */
+    TileOperand &stride1();
+
+    /** Get the operand that contains the stride in z dimension of the tensor. */
+    TileOperand &stride2();
+
+    /** Get the operand that contains the stride in w dimension of the tensor. */
+    TileOperand &stride3();
+
+    /** Get the operand that contains the stride in w dimension of the tensor. */
+    TileOperand &stride4();
+
+    /** Get the operand that contains the size of dimension 0 of the tensor. */
+    TileOperand &dim0();
+
+    /** Get the operand that contains the size of dimension 1 of the tensor. */
+    TileOperand &dim1();
+
+    /** Get the operand that contains the size of dimension 2 of the tensor. */
+    TileOperand &dim2();
+
+    /** Get the operand that contains the size of dimension 3 of the tensor. */
+    TileOperand &dim3();
+
+    /** Get the operand that contains the size of dimension 4 of the tensor. */
+    TileOperand &dim4();
+
+    /** Get the operand that contains the size of dimensions 1 and 2 collapsed. */
+    TileOperand &dim1_dim2();
+
+    /** Get the operand that contains the size of dimensions 1, 2 and 3 collapsed. */
+    TileOperand &dim1_dim2_dim3();
+
+    /** Get the operand that contains the offset in bytes to the first element. */
+    TileOperand &offset_first_element_in_bytes();
+
+private:
+    TensorInfo _info;
+
+    TileOperand  *_tile{ nullptr };
+    TensorTileSampler _tile_sampler{};
+
+    ::std::unique_ptr<TensorComponentOperand> _stride1{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _stride2{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _stride3{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _stride4{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _dim0{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _dim1{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _dim2{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _dim3{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _dim4{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _dim1_dim2{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _dim1_dim2_dim3{ nullptr };
+    ::std::unique_ptr<TensorComponentOperand> _offset_first_element_in_bytes{ nullptr };
+};
+
+// =================================================================================================
+// TensorComponentOperand
+// =================================================================================================
+
+/** Tile operand that contains tensor information. */
+class TensorComponentOperand : public TileOperand
+{
+public:
+    /** Initialize a new instance of @ref TensorComponentOperand class.
+     *
+     * @param[in] name      The name of the operand.
+     * @param[in] component The tensor info component.
+     */
+    TensorComponentOperand(const ::std::string &name, TensorComponent component);
+
+    /** (Internal use only) Create the implementation operand.
+     *
+     * @param[in] writer The implementation kernel writer.
+     */
+    virtual prototype::Operand create_impl_operand(prototype::IGpuKernelWriter *writer) const override;
+
+private:
+    TensorComponent _component;
+};
+
+} // namespace ckw
+
+#endif // CKW_INCLUDE_CKW_TENSOROPERAND_H