COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
diff --git a/src/core/CL/cl_kernels/tablelookup.cl b/src/core/CL/cl_kernels/tablelookup.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"
+
+/** This function performs table lookup on U8 input/output images.
+ *
+ * Global Workgroup Size [ DIV_CEIL(width, 8), height ]
+ *
+ *
+ * @param[in] src_ptr Pointer to the source image. Supported data types: U8
+ * @param[in] src_stride_x Stride of the source image in X dimension (in bytes)
+ * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes)
+ * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image
+ * @param[out] dst_ptr Pointer to the destination image. Supported data types: U8
+ * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes)
+ * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes)
+ * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image
+ * @param[in] lut LUT table. Supported data types: U8
+ */
+__kernel void tablelookup_U8(
+ IMAGE_DECLARATION(src),
+ IMAGE_DECLARATION(dst),
+ __global uchar *lut)
+{
+ Image src = CONVERT_TO_IMAGE_STRUCT(src);
+ Image dst = CONVERT_TO_IMAGE_STRUCT(dst);
+
+ /* Load input data */
+ uchar8 data = vload8(0, src.ptr);
+
+ /* Load lut data */
+ uchar8 lut_data = (uchar8)(lut[data.s0], lut[data.s1], lut[data.s2], lut[data.s3],
+ lut[data.s4], lut[data.s5], lut[data.s6], lut[data.s7]);
+
+ /* Store result */
+ vstore8(lut_data, 0, dst.ptr);
+}
+
+/** This function performs table lookup on S16 input/output images.
+ *
+ * Global Workgroup Size [ DIV_CEIL(width, 8), height ]
+ *
+ * @param[in] src_ptr Pointer to the source image. Supported data types: S16
+ * @param[in] src_stride_x Stride of the source image in X dimension (in bytes)
+ * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes)
+ * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image
+ * @param[out] dst_ptr Pointer to the destination image. Supported data types: S16
+ * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes)
+ * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes)
+ * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image
+ * @param[in] lut LUT table. Supported data types: S16
+ * @param[in] offset LUT offset
+ * @param[in] count Number of elements in the LUT
+ */
+__kernel void tablelookup_S16(
+ IMAGE_DECLARATION(src),
+ IMAGE_DECLARATION(dst),
+ __global short *lut,
+ uint offset,
+ uint count)
+{
+ Image src = CONVERT_TO_IMAGE_STRUCT(src);
+ Image dst = CONVERT_TO_IMAGE_STRUCT(dst);
+
+ /* Load input data */
+ short8 data = vload8(0, (__global short *)src.ptr);
+
+ /* Load output data */
+ int8 out_data = convert_int8(vload8(0, (__global short *)dst.ptr));
+
+ /* Calculate index */
+ int8 index = convert_int8(data) + (int8)(offset);
+ int8 cond = (index >= 0 && index < (int8)count);
+ index = select(0, index, cond);
+
+ /* Load lut data */
+ int8 lut_data = (int8)(lut[index.s0], lut[index.s1], lut[index.s2], lut[index.s3],
+ lut[index.s4], lut[index.s5], lut[index.s6], lut[index.s7]);
+
+ /* Select output data depending on condition */
+ lut_data = select(out_data, lut_data, cond);
+
+ /* Store result */
+ vstore8(convert_short8(lut_data), 0, (__global short *)dst.ptr);
+}