1 files changed, 111 insertions, 0 deletions
diff --git a/compute_kernel_writer/prototype/examples/common/ExampleComponentArgument.h b/compute_kernel_writer/prototype/examples/common/ExampleComponentArgument.h
new file mode 100644
index 0000000000..2de9042691
--- /dev/null
+++ b/compute_kernel_writer/prototype/examples/common/ExampleComponentArgument.h
@@ -0,0 +1,111 @@
+/*
+ * 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_PROTOTYPE_EXAMPLES_COMMON_EXAMPLECOMPONENTARGUMENT_H
+#define CKW_PROTOTYPE_EXAMPLES_COMMON_EXAMPLECOMPONENTARGUMENT_H
+
+#include "ckw/TensorTileSampler.h"
+
+namespace ckw
+{
+class TensorOperand;
+class TileOperand;
+} // namespace ckw
+
+/** The argument of a dynamic fusion component which can be either user tensor or virtual tensor. */
+class ExampleComponentArgument
+{
+public:
+    /** Initialize a new instance of @ref ExampleComponentArgument class for empty virtual tensor. */
+    ExampleComponentArgument();
+
+    /** Initialize a new instance of @ref ExampleComponentArgument class for user tensor.
+     *
+     * @param[in] tensor The user tensor.
+     */
+    explicit ExampleComponentArgument(ckw::TensorOperand &tensor);
+
+    /** Set virtual tensor information (tile, sampler) for the argument.
+     *
+     * If the component is a user tensor, it can be treated as virtual tensor as well
+     * and won't be loaded again using @ref ExampleKernelWriter::op_load_once method.
+     *
+     * @param[in] tile    The tile that has been loaded.
+     * @param[in] sampler The tensor sampling information that has been used to load the tile.
+     */
+    ExampleComponentArgument &init_virtual_tensor(ckw::TileOperand &tile, const ckw::TensorTileSampler &sampler);
+
+    /** Get whether the argument is a user tensor. */
+    bool has_tensor() const;
+
+    /** Get the tensor operand.
+     *
+     * If the tensor is not available, throw an error.
+     */
+    ckw::TensorOperand &tensor();
+
+    /** Get the tensor operand.
+     *
+     * If the tensor is not available, throw an error.
+     */
+    const ckw::TensorOperand &tensor() const;
+
+    /** Get whether the argument contains a tile.
+     *
+     * The argument can be either a user tensor that has been loaded,
+     * or a virtual tensor (i.e. a tile with tensor sampling information).
+     */
+    bool has_tile() const;
+
+    /** Get the tile operand.
+     *
+     * If the tile is not available, throw an error.
+     */
+    ckw::TileOperand &tile();
+
+    /** Get the tile operand.
+     *
+     * If the tile is not available, throw an error.
+     */
+    const ckw::TileOperand &tile() const;
+
+    /** Get the tensor sampling information for the tile.
+     *
+     * If the tile is not available, throw an error.
+     */
+    ckw::TensorTileSampler &tile_sampler();
+
+    /** Get the tensor sampling information for the tile.
+     *
+     * If the tile is not available, throw an error.
+     */
+    const ckw::TensorTileSampler &tile_sampler() const;
+
+private:
+    ckw::TensorOperand *_tensor{ nullptr };
+    ckw::TileOperand   *_tile{ nullptr };
+    ckw::TensorTileSampler  _tile_sampler{};
+};
+
+#endif // CKW_PROTOTYPE_EXAMPLES_COMMON_EXAMPLECOMPONENTARGUMENT_H