Extend cl image support to input and output tensors

- Add support for texture image to input and output of direct
convolution
- Extend T_LOAD2D_INDIRECT macro to read values from cl image storages

Resolves COMPMID-5715

Signed-off-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Change-Id: Idb0410f53f6d0763cd9e39895a7cbf9bc826d33a
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/8904
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 10 insertions, 2 deletions

diff --git a/src/core/CL/CLUtils.h b/src/core/CL/CLUtils.h
index d133e4fe6f..b31944c72f 100644
--- a/src/core/CL/CLUtils.h
+++ b/src/core/CL/CLUtils.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020-2021 Arm Limited.
+ * Copyright (c) 2020-2021, 2023 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -34,6 +34,13 @@ class TensorShape;
 class CLBuildOptions;
 class ITensorInfo;
 
+/** OpenCL Image2D types */
+enum class CLImage2DType
+{
+    ReadOnly,
+    WriteOnly
+};
+
 /** Create a cl::Image2D object from an OpenCL buffer
  *
  * @note The following conditions are required to create a OpenCL image object from OpenCL buffer,
@@ -49,10 +56,11 @@ class ITensorInfo;
  * @param[in] shape2d         2D tensor shape
  * @param[in] data_type       DataType to use. Only supported: F32,F16
  * @param[in] image_row_pitch Image row pitch (a.k.a. stride Y) to be used in the image2d object
+ * @param[in] image_type      Image 2D type (@ref CLImage2DType)
  *
  * @return cl::Image2D object
  */
-cl::Image2D create_image2d_from_buffer(const cl::Context &ctx, const cl::Buffer &buffer, const TensorShape &shape2d, DataType data_type, size_t image_row_pitch);
+cl::Image2D create_image2d_from_buffer(const cl::Context &ctx, const cl::Buffer &buffer, const TensorShape &shape2d, DataType data_type, size_t image_row_pitch, CLImage2DType image_type);
 
 namespace experimental
 {