Add row vector and scalar access support to tile operand

* Add the concept of tile view which refers to a specific rectangular
  area of the tile object.
  - The active area is added to TileOperand so that the user can access
    part of the tile.
  - Currently only row vector and scalar access are exposed to the user.
  - All writing operations except load/store op support sub-tile.
* Add tests for sub-tile access.

Resolves: COMPMID-6557
Signed-off-by: Mohammed Suhail Munshi <MohammedSuhail.Munshi@arm.com>
Signed-off-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Change-Id: Ica3f9eaf17f06e080c495d36c572f623b62c2910
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/10354
Reviewed-by: Gunes Bayir <gunes.bayir@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, 5 insertions, 3 deletions

diff --git a/compute_kernel_writer/include/ckw/KernelWriter.h b/compute_kernel_writer/include/ckw/KernelWriter.h
index 93ae8aecd6..15c99fe652 100644
--- a/compute_kernel_writer/include/ckw/KernelWriter.h
+++ b/compute_kernel_writer/include/ckw/KernelWriter.h
@@ -34,6 +34,7 @@
 #include <functional>
 #include <memory>
 #include <string>
+#include <tuple>
 
 namespace ckw
 {
@@ -42,6 +43,7 @@ namespace ckw
 class Kernel;
 class TensorInfo;
 class TensorSampler;
+class TileArea;
 class TileInfo;
 
 enum class DataType;
@@ -313,7 +315,7 @@ public:
      * @param[in] batch     batch
      */
     virtual void op_load_indirect(const TileOperand &tile_op, const TensorOperand &tensor_op, TensorSampler &sampler,
-        const TileOperand &x, const TileOperand &y, const TileOperand &z, const TileOperand &batch_op) = 0;
+                                  const TileOperand &x, const TileOperand &y, const TileOperand &z, const TileOperand &batch_op) = 0;
 
 protected:
     // =============================================================================================
@@ -355,8 +357,8 @@ protected:
     /** Create a new tile operand referring to the specified tile object. */
     static TileOperand create_tile_operand(ITile &tile);
 
-    /** Get the reference to tile object from the tile operand. */
-    static ITile &get_tile(const TileOperand &operand);
+    /** Get the reference to the tile object and the active area from the tile operand. */
+    static std::tuple<ITile &, TileArea> get_tile(const TileOperand &operand);
 
     /** Create a new tensor operand from a tensor object. */
     static TensorOperand create_tensor_operand(ITensor &tensor);