1 files changed, 56 insertions, 0 deletions
diff --git a/src/dynamic_fusion/sketch/gpu/ckw_driver/components/utils/CkwHelper.cpp b/src/dynamic_fusion/sketch/gpu/ckw_driver/components/utils/CkwHelper.cpp
new file mode 100644
index 0000000000..1e6f0841ad
--- /dev/null
+++ b/src/dynamic_fusion/sketch/gpu/ckw_driver/components/utils/CkwHelper.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2023-2024 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 "CkwHelper.h"
+
+namespace arm_compute
+{
+namespace experimental
+{
+namespace dynamic_fusion
+{
+void get_coordinate_from_gws(GpuCkwScopedKernelWriter writer,
+                             ckw::TileOperand        &coord,
+                             const ckw::TileOperand  &gid,
+                             ckw::TileOperand        &step)
+{
+    writer->op_binary(coord, ckw::BinaryOp::Mul, gid, step);
+}
+
+void get_coordinate_from_gws_overlapping_min(GpuCkwScopedKernelWriter writer,
+                                             ckw::TileOperand        &coord,
+                                             const ckw::TileOperand  &gid,
+                                             ckw::TileOperand        &step,
+                                             ckw::TileOperand        &shift_back,
+                                             ckw::TileOperand        &const_0)
+{
+    // Applied formula: max((gid * step) - shift_back, 0)
+    // where the shift_back operand is: (step - leftover_step) % step
+
+    writer->op_binary(coord, ckw::BinaryOp::Mul, gid, step);
+    writer->op_binary(coord, ckw::BinaryOp::Sub, coord, shift_back);
+    writer->op_binary(coord, ckw::BinaryOp::Max, coord, const_0);
+}
+} // namespace dynamic_fusion
+} // namespace experimental
+} // namespace arm_compute