COMPMID-1734: Implement CLSelect

Change-Id: I49b2e8b4200c9ed654736d9451e4ab9c073b4b10
diff --git a/src/core/CL/cl_kernels/select.cl b/src/core/CL/cl_kernels/select.cl
new file mode 100644
index 0000000..d783ae2
--- /dev/null
+++ b/src/core/CL/cl_kernels/select.cl
@@ -0,0 +1,216 @@
+/*
+ * Copyright (c) 2018 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"
+
+#if defined(DATA_TYPE) && defined(SELECT_DATA_TYPE) && defined(VEC_SIZE)
+/** This function perform a select operation between two tensors when condition tensor has the same rank.
+ *
+ * @attention The data_type need to be passed at compile time using -DDATA_TYPE: e.g. -DDATA_TYPE=uchar
+ * @attention The select operation data_type need to be passed at compile time using -DSELECT_DATA_TYPE: e.g. -DSELECT_DATA_TYPE=uchar
+ * @attention Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16
+ *
+ * @param[in]  c_ptr                             Pointer to the source tensor. Supported data types: U8
+ * @param[in]  c_stride_x                        Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  c_step_x                          c_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  c_stride_y                        Stride of the source tensor in Y dimension (in bytes)
+ * @param[in]  c_step_y                          c_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  c_stride_z                        Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  c_step_z                          c_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  c_offset_first_element_in_bytes   The offset of the first element in the source tensor
+ * @param[in]  x_ptr                             Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in]  x_stride_x                        Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  x_step_x                          x_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  x_stride_y                        Stride of the source tensor in Y dimension (in bytes)
+ * @param[in]  x_step_y                          x_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  x_stride_z                        Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  x_step_z                          x_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  x_offset_first_element_in_bytes   The offset of the first element in the source tensor
+ * @param[in]  y_ptr                             Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in]  y_stride_x                        Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  y_step_x                          y_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  y_stride_y                        Stride of the source tensor in Y dimension (in bytes)
+ * @param[in]  y_step_y                          y_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  y_stride_z                        Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  y_step_z                          y_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  y_offset_first_element_in_bytes   The offset of the first element in the source tensor
+ * @param[out] out_ptr                           Pointer to the destination tensor. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in]  out_stride_x                      Stride of the destination tensor in X dimension (in bytes)
+ * @param[in]  out_step_x                        out_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  out_stride_y                      Stride of the destination tensor in Y dimension (in bytes)
+ * @param[in]  out_step_y                        out_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  out_stride_z                      Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  out_step_z                        out_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  out_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ */
+__kernel void select_same_rank(
+    TENSOR3D_DECLARATION(c),
+    TENSOR3D_DECLARATION(x),
+    TENSOR3D_DECLARATION(y),
+    TENSOR3D_DECLARATION(out))
+{
+    // Get pixels pointer
+    Tensor3D c_t   = CONVERT_TO_TENSOR3D_STRUCT(c);
+    Tensor3D x_t   = CONVERT_TO_TENSOR3D_STRUCT(x);
+    Tensor3D y_t   = CONVERT_TO_TENSOR3D_STRUCT(y);
+    Tensor3D out_t = CONVERT_TO_TENSOR3D_STRUCT(out);
+
+    // Load values
+    VEC_DATA_TYPE(SELECT_DATA_TYPE, VEC_SIZE)
+    in_c = CONVERT((VLOAD(VEC_SIZE)(0, (__global uchar *)c_t.ptr)), VEC_DATA_TYPE(SELECT_DATA_TYPE, VEC_SIZE));
+    VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+    in_x = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)x_t.ptr);
+    VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+    in_y = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)y_t.ptr);
+
+    // Calculate and store result
+    VSTORE(VEC_SIZE)
+    (select(in_y, in_x, in_c > (SELECT_DATA_TYPE)0), 0, (__global DATA_TYPE *)out_t.ptr);
+}
+
+/** This function perform a select operation between two tensors when condition tensor has a different rank.
+ *
+ * @attention The data_type need to be passed at compile time using -DDATA_TYPE: e.g. -DDATA_TYPE=uchar
+ * @attention The select operation data_type need to be passed at compile time using -DSELECT_DATA_TYPE: e.g. -DSELECT_DATA_TYPE=uchar
+ * @attention Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16
+ *
+ * @param[in]  c_ptr                             Pointer to the source tensor. Supported data types: U8
+ * @param[in]  c_stride_x                        Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  c_step_x                          c_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  c_offset_first_element_in_bytes   The offset of the first element in the source tensor
+ * @param[in]  x_ptr                             Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in]  x_stride_x                        Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  x_step_x                          x_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  x_stride_y                        Stride of the source tensor in Y dimension (in bytes)
+ * @param[in]  x_step_y                          x_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  x_stride_z                        Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  x_step_z                          x_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  x_offset_first_element_in_bytes   The offset of the first element in the source tensor
+ * @param[in]  y_ptr                             Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in]  y_stride_x                        Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  y_step_x                          y_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  y_stride_y                        Stride of the source tensor in Y dimension (in bytes)
+ * @param[in]  y_step_y                          y_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  y_stride_z                        Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  y_step_z                          y_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  y_offset_first_element_in_bytes   The offset of the first element in the source tensor
+ * @param[out] out_ptr                           Pointer to the destination tensor. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in]  out_stride_x                      Stride of the destination tensor in X dimension (in bytes)
+ * @param[in]  out_step_x                        out_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  out_stride_y                      Stride of the destination tensor in Y dimension (in bytes)
+ * @param[in]  out_step_y                        out_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  out_stride_z                      Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  out_step_z                        out_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  out_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ */
+__kernel void select_different_rank_2(
+    VECTOR_DECLARATION(c),
+    TENSOR3D_DECLARATION(x),
+    TENSOR3D_DECLARATION(y),
+    TENSOR3D_DECLARATION(out))
+{
+    const int c_idx = get_global_id(1);
+
+    // Get pixels pointer
+    Vector   c_t   = CONVERT_TO_VECTOR_STRUCT_NO_STEP(c);
+    Tensor3D x_t   = CONVERT_TO_TENSOR3D_STRUCT(x);
+    Tensor3D y_t   = CONVERT_TO_TENSOR3D_STRUCT(y);
+    Tensor3D out_t = CONVERT_TO_TENSOR3D_STRUCT(out);
+
+    // Load values
+    VEC_DATA_TYPE(SELECT_DATA_TYPE, VEC_SIZE)
+    in_c = *((__global uchar *)(c_t.ptr + c_idx * c_t.stride_x));
+    VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+    in_x = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)x_t.ptr);
+    VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+    in_y = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)y_t.ptr);
+
+    // Calculate and store result
+    VSTORE(VEC_SIZE)
+    (select(in_y, in_x, in_c > (SELECT_DATA_TYPE)0), 0, (__global DATA_TYPE *)out_t.ptr);
+}
+#endif /* defined(DATA_TYPE) && defined(SELECT_DATA_TYPE) && defined(VEC_SIZE) */
+
+#if defined(DATA_TYPE) && defined(SELECT_DATA_TYPE) && defined(VEC_SIZE) && defined(DEPTH_SIZE)
+/** This function perform a select operation between two tensors when condition tensor has a different rank.
+ *
+ * @attention The data_type need to be passed at compile time using -DDATA_TYPE: e.g. -DDATA_TYPE=uchar
+ * @attention The select operation data_type need to be passed at compile time using -DSELECT_DATA_TYPE: e.g. -DSELECT_DATA_TYPE=uchar
+ * @attention Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16
+ *
+ * @param[in]  c_ptr                             Pointer to the source tensor. Supported data types: U8
+ * @param[in]  c_stride_x                        Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  c_step_x                          c_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  c_offset_first_element_in_bytes   The offset of the first element in the source tensor
+ * @param[in]  x_ptr                             Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in]  x_stride_x                        Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  x_step_x                          x_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  x_stride_y                        Stride of the source tensor in Y dimension (in bytes)
+ * @param[in]  x_step_y                          x_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  x_stride_z                        Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  x_step_z                          x_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  x_offset_first_element_in_bytes   The offset of the first element in the source tensor
+ * @param[in]  y_ptr                             Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in]  y_stride_x                        Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  y_step_x                          y_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  y_stride_y                        Stride of the source tensor in Y dimension (in bytes)
+ * @param[in]  y_step_y                          y_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  y_stride_z                        Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  y_step_z                          y_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  y_offset_first_element_in_bytes   The offset of the first element in the source tensor
+ * @param[out] out_ptr                           Pointer to the destination tensor. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in]  out_stride_x                      Stride of the destination tensor in X dimension (in bytes)
+ * @param[in]  out_step_x                        out_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  out_stride_y                      Stride of the destination tensor in Y dimension (in bytes)
+ * @param[in]  out_step_y                        out_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  out_stride_z                      Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  out_step_z                        out_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  out_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ */
+__kernel void select_different_rank_n(
+    VECTOR_DECLARATION(c),
+    TENSOR3D_DECLARATION(x),
+    TENSOR3D_DECLARATION(y),
+    TENSOR3D_DECLARATION(out))
+{
+    const int c_idx = get_global_id(2) / DEPTH_SIZE;
+
+    // Get pixels pointer
+    Vector   c_t   = CONVERT_TO_VECTOR_STRUCT_NO_STEP(c);
+    Tensor3D x_t   = CONVERT_TO_TENSOR3D_STRUCT(x);
+    Tensor3D y_t   = CONVERT_TO_TENSOR3D_STRUCT(y);
+    Tensor3D out_t = CONVERT_TO_TENSOR3D_STRUCT(out);
+
+    // Load values
+    VEC_DATA_TYPE(SELECT_DATA_TYPE, VEC_SIZE)
+    in_c = *((__global uchar *)(c_t.ptr + c_idx * c_t.stride_x));
+    VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+    in_x = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)x_t.ptr);
+    VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+    in_y = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)y_t.ptr);
+
+    // Calculate and store result
+    VSTORE(VEC_SIZE)
+    (select(in_y, in_x, in_c > (SELECT_DATA_TYPE)0), 0, (__global DATA_TYPE *)out_t.ptr);
+}
+#endif /* defined(DATA_TYPE) && defined(SELECT_DATA_TYPE) && defined(VEC_SIZE) && defined(DEPTH_SIZE) */
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