1 files changed, 116 insertions, 0 deletions
diff --git a/compute_kernel_writer/src/TensorUtils.cpp b/compute_kernel_writer/src/TensorUtils.cpp
new file mode 100644
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+++ b/compute_kernel_writer/src/TensorUtils.cpp
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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.
+ */
+
+#include "src/TensorUtils.h"
+
+#include "ckw/Error.h"
+#include "ckw/TensorInfo.h"
+#include "ckw/types/TensorComponentType.h"
+
+namespace ckw
+{
+TensorComponentType get_tensor_dimension(TensorDataLayout layout, TensorDataLayoutComponent component)
+{
+    switch (layout)
+    {
+        case TensorDataLayout::Nhwc:
+            switch (component)
+            {
+                case TensorDataLayoutComponent::C:
+                    return TensorComponentType::Dim0;
+                case TensorDataLayoutComponent::W:
+                    return TensorComponentType::Dim1;
+                case TensorDataLayoutComponent::H:
+                    return TensorComponentType::Dim2;
+                case TensorDataLayoutComponent::N:
+                    return TensorComponentType::Dim3;
+                default:
+                    COMPUTE_KERNEL_WRITER_ERROR_ON_MSG("Unsupported tensor component for NHWC");
+                    return TensorComponentType::Unknown;
+            }
+        case TensorDataLayout::Ndhwc:
+            switch (component)
+            {
+                case TensorDataLayoutComponent::C:
+                    return TensorComponentType::Dim0;
+                case TensorDataLayoutComponent::W:
+                    return TensorComponentType::Dim1;
+                case TensorDataLayoutComponent::H:
+                    return TensorComponentType::Dim2;
+                case TensorDataLayoutComponent::D:
+                    return TensorComponentType::Dim3;
+                case TensorDataLayoutComponent::N:
+                    return TensorComponentType::Dim4;
+                default:
+                    COMPUTE_KERNEL_WRITER_ERROR_ON_MSG("Unsupported tensor component for NDHWC");
+                    return TensorComponentType::Unknown;
+            }
+        default:
+            COMPUTE_KERNEL_WRITER_ERROR_ON_MSG("Unsupported tensor data layout");
+            return TensorComponentType::Unknown;
+    }
+}
+
+TensorComponentType get_tensor_stride(TensorDataLayout layout, TensorDataLayoutComponent component)
+{
+    switch (layout)
+    {
+        case TensorDataLayout::Nhwc:
+            switch (component)
+            {
+                case TensorDataLayoutComponent::C:
+                    return TensorComponentType::Stride0;
+                case TensorDataLayoutComponent::W:
+                    return TensorComponentType::Stride1;
+                case TensorDataLayoutComponent::H:
+                    return TensorComponentType::Stride2;
+                case TensorDataLayoutComponent::N:
+                    return TensorComponentType::Stride3;
+                default:
+                    COMPUTE_KERNEL_WRITER_ERROR_ON_MSG("Unsupported tensor component for NHWC");
+                    return TensorComponentType::Unknown;
+            }
+        case TensorDataLayout::Ndhwc:
+            switch (component)
+            {
+                case TensorDataLayoutComponent::C:
+                    return TensorComponentType::Stride0;
+                case TensorDataLayoutComponent::W:
+                    return TensorComponentType::Stride1;
+                case TensorDataLayoutComponent::H:
+                    return TensorComponentType::Stride2;
+                case TensorDataLayoutComponent::D:
+                    return TensorComponentType::Stride3;
+                case TensorDataLayoutComponent::N:
+                    return TensorComponentType::Stride4;
+                default:
+                    COMPUTE_KERNEL_WRITER_ERROR_ON_MSG("Unsupported tensor component for NDHWC");
+                    return TensorComponentType::Unknown;
+            }
+        default:
+            COMPUTE_KERNEL_WRITER_ERROR_ON_MSG("Unsupported tensor data layout");
+            return TensorComponentType::Unknown;
+    }
+}
+} // namespace ckw