1 files changed, 76 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLThresholdKernel.cpp b/src/core/CL/kernels/CLThresholdKernel.cpp
new file mode 100644
index 0000000000..6e07cefc77
--- /dev/null
+++ b/src/core/CL/kernels/CLThresholdKernel.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2016, 2017 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 "arm_compute/core/CL/kernels/CLThresholdKernel.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/Validate.h"
+#include "arm_compute/core/Window.h"
+
+#include <string>
+
+using namespace arm_compute;
+
+void CLThresholdKernel::configure(const ICLTensor *input, ICLTensor *output, uint8_t threshold,
+                                  uint8_t false_value, uint8_t true_value, ThresholdType type, uint8_t upper)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
+
+    // Construct kernel name
+    std::string kernel_name = "threshold";
+
+    switch(type)
+    {
+        case ThresholdType::BINARY:
+            kernel_name += "_binary";
+            break;
+        case ThresholdType::RANGE:
+            kernel_name += "_range";
+            break;
+        default:
+            ARM_COMPUTE_ERROR("Thresholding type not recognized");
+            break;
+    }
+
+    // Create kernel
+    _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(kernel_name));
+
+    // Set arguments
+    unsigned int idx = 2 * num_arguments_per_2D_tensor(); //Skip the input and output parameters
+    _kernel.setArg(idx++, false_value);
+    _kernel.setArg(idx++, true_value);
+    _kernel.setArg(idx++, threshold);
+
+    if(ThresholdType::RANGE == type)
+    {
+        _kernel.setArg(idx++, upper);
+    }
+
+    // Make sure _kernel is initialized before calling the parent's configure
+    constexpr unsigned int num_elems_processed_per_iteration = 16;
+    ICLSimple2DKernel::configure(input, output, num_elems_processed_per_iteration);
+}