COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
diff --git a/src/core/CL/cl_kernels/threshold.cl b/src/core/CL/cl_kernels/threshold.cl
new file mode 100644
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+++ b/src/core/CL/cl_kernels/threshold.cl
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+/*
+ * 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 "helpers.h"
+
+/** Perform binary thresholding on an image.
+ *
+ * @param[in] in_ptr Pointer to the source image
+ * @param[in] in_stride_x Stride of the source image in X dimension (in bytes)
+ * @param[in] in_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] in_stride_y Stride of the source image in Y dimension (in bytes)
+ * @param[in] in_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] in_offset_first_element_in_bytes The offset of the first element in the first source image
+ * @param[out] out_ptr Pointer to the destination image
+ * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes)
+ * @param[in] out_step_x dst_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes)
+ * @param[in] out_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image
+ * @param[in] false_val False value
+ * @param[in] true_val True value
+ * @param[in] threshold The thresold value
+ */
+__kernel void threshold_binary(
+ IMAGE_DECLARATION(in),
+ IMAGE_DECLARATION(out),
+ const uchar false_val,
+ const uchar true_val,
+ const uchar threshold)
+{
+ // Get pixels pointer
+ Image in = CONVERT_TO_IMAGE_STRUCT(in);
+ Image out = CONVERT_TO_IMAGE_STRUCT(out);
+
+ // Load data
+ uchar16 in_data = vload16(0, in.ptr);
+
+ // Perform binary thresholding
+ in_data = select((uchar16)false_val, (uchar16)true_val, in_data > (uchar16)threshold);
+
+ // Store result
+ vstore16(in_data, 0, out.ptr);
+}
+
+/** Perform range thresholding on an image.
+ *
+ * @param[in] in_ptr Pointer to the source image
+ * @param[in] in_stride_x Stride of the source image in X dimension (in bytes)
+ * @param[in] in_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] in_stride_y Stride of the source image in Y dimension (in bytes)
+ * @param[in] in_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] in_offset_first_element_in_bytes The offset of the first element in the first source image
+ * @param[out] out_ptr Pointer to the destination image
+ * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes)
+ * @param[in] out_step_x dst_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes)
+ * @param[in] out_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image
+ * @param[in] false_val False value
+ * @param[in] true_val True value
+ * @param[in] lower Lower threshold
+ * @param[in] upper Upper threshold
+ */
+__kernel void threshold_range(
+ IMAGE_DECLARATION(in),
+ IMAGE_DECLARATION(out),
+ const uchar false_val,
+ const uchar true_val,
+ const uchar lower,
+ const uchar upper)
+{
+ // Get pixels pointer
+ Image in = CONVERT_TO_IMAGE_STRUCT(in);
+ Image out = CONVERT_TO_IMAGE_STRUCT(out);
+
+ // Load data
+ uchar16 in_data = vload16(0, in.ptr);
+
+ // Perform range thresholding
+ in_data = select((uchar16)true_val, (uchar16)false_val, in_data > (uchar16)upper || in_data < (uchar16)lower);
+
+ // Store result
+ vstore16(in_data, 0, out.ptr);
+}