1 files changed, 131 insertions, 0 deletions
diff --git a/src/core/gpu/cl/kernels/ClReshapeKernel.cpp b/src/core/gpu/cl/kernels/ClReshapeKernel.cpp
new file mode 100644
index 0000000000..4da3fa0e03
--- /dev/null
+++ b/src/core/gpu/cl/kernels/ClReshapeKernel.cpp
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2017-2021 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/core/gpu/cl/kernels/ClReshapeKernel.h"
+
+#include "arm_compute/core/CL/CLHelpers.h"
+#include "arm_compute/core/CL/CLKernelLibrary.h"
+#include "arm_compute/core/CL/ICLTensor.h"
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/IAccessWindow.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Utils.h"
+#include "src/core/AccessWindowStatic.h"
+#include "src/core/CL/CLValidate.h"
+#include "src/core/helpers/WindowHelpers.h"
+#include "support/Cast.h"
+
+#include <string>
+
+/** [ClReshapeKernel Kernel] **/
+namespace arm_compute
+{
+namespace opencl
+{
+namespace kernels
+{
+namespace
+{
+Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst)
+{
+    ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, dst);
+    ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(src);
+    ARM_COMPUTE_RETURN_ERROR_ON(src->data_type() == DataType::UNKNOWN);
+
+    ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst);
+    ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(src, dst);
+    ARM_COMPUTE_RETURN_ERROR_ON(src->tensor_shape().total_size() != dst->tensor_shape().total_size());
+
+    return Status{};
+}
+} // namespace
+
+void ClReshapeKernel::configure(const CLCompileContext &compile_context, const ITensorInfo *src, ITensorInfo *dst)
+{
+    ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst);
+    ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst));
+
+    auto padding_info = get_padding_info({ src, dst });
+
+    // Create kernel
+    std::set<std::string> build_opts = { "-DDATA_TYPE=" + get_cl_unsigned_type_from_element_size(src->element_size()) };
+    _kernel                          = create_kernel(compile_context, "reshape_layer", build_opts);
+
+    // Add static arguments
+    const cl_int2 src_shape =
+    {
+        {
+            static_cast<cl_int>(src->tensor_shape()[0]),
+            static_cast<cl_int>(src->tensor_shape()[1])
+        }
+    };
+    const cl_int2 dst_shape =
+    {
+        {
+            static_cast<cl_int>(dst->tensor_shape()[0]),
+            static_cast<cl_int>(dst->tensor_shape()[1])
+        }
+    };
+    unsigned int idx = 2 * num_arguments_per_3D_tensor(); // Skip the src and dst parameters
+    _kernel.setArg<cl_int2>(idx++, src_shape);
+    _kernel.setArg<cl_int2>(idx++, dst_shape);
+
+    // Configure kernel window
+    Window win = calculate_max_window(*src);
+
+    // Set the dst valid region
+    dst->set_valid_region(ValidRegion(Coordinates(), dst->tensor_shape()));
+    ICLKernel::configure_internal(win);
+
+    ARM_COMPUTE_ERROR_ON(has_padding_changed(padding_info));
+}
+
+Status ClReshapeKernel::validate(const ITensorInfo *src, const ITensorInfo *dst)
+{
+    ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst));
+
+    return Status{};
+}
+
+void ClReshapeKernel::run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue)
+{
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window);
+
+    Window window_collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ);
+    Window slice            = window_collapsed.first_slice_window_3D();
+
+    const auto src = utils::cast::polymorphic_downcast<const ICLTensor *>(tensors.get_const_tensor(TensorType::ACL_SRC));
+    auto       dst = utils::cast::polymorphic_downcast<ICLTensor *>(tensors.get_tensor(TensorType::ACL_DST));
+
+    // Set srcs
+    unsigned int idx = 0;
+    add_3D_tensor_argument(idx, src, window_collapsed);
+    add_3D_tensor_argument(idx, dst, window_collapsed);
+    enqueue(queue, *this, slice, lws_hint());
+}
+} // namespace kernels
+} // namespace opencl
+} // namespace arm_compute
+/** [ClReshapeKernel Kernel] **/