From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001 From: Anthony Barbier Date: Mon, 4 Sep 2017 18:44:23 +0100 Subject: COMPMID-344 Updated doxygen Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae --- src/runtime/CL/functions/CLMinMaxLocation.cpp | 98 +++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 src/runtime/CL/functions/CLMinMaxLocation.cpp (limited to 'src/runtime/CL/functions/CLMinMaxLocation.cpp') diff --git a/src/runtime/CL/functions/CLMinMaxLocation.cpp b/src/runtime/CL/functions/CLMinMaxLocation.cpp new file mode 100644 index 0000000000..ad783d8a53 --- /dev/null +++ b/src/runtime/CL/functions/CLMinMaxLocation.cpp @@ -0,0 +1,98 @@ +/* + * Copyright (c) 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/runtime/CL/functions/CLMinMaxLocation.h" + +#include "arm_compute/core/CL/CLHelpers.h" + +using namespace arm_compute; + +CLMinMaxLocation::CLMinMaxLocation() + : _min_max_kernel(), + _min_max_loc_kernel(), + _min_max_vals(), + _min_max_count_vals(), + _min(nullptr), + _max(nullptr), + _min_count(nullptr), + _max_count(nullptr), + _min_loc(nullptr), + _max_loc(nullptr) +{ +} + +void CLMinMaxLocation::configure(const ICLImage *input, int32_t *min, int32_t *max, CLCoordinates2DArray *min_loc, CLCoordinates2DArray *max_loc, uint32_t *min_count, uint32_t *max_count) +{ + ARM_COMPUTE_ERROR_ON(nullptr == min); + ARM_COMPUTE_ERROR_ON(nullptr == max); + + _min_max_vals = cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, 2 * sizeof(int32_t)); + _min_max_count_vals = cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, 2 * sizeof(uint32_t)); + _min = min; + _max = max; + _min_count = min_count; + _max_count = max_count; + _min_loc = min_loc; + _max_loc = max_loc; + + _min_max_kernel.configure(input, &_min_max_vals); + _min_max_loc_kernel.configure(input, &_min_max_vals, &_min_max_count_vals, _min_loc, _max_loc); +} + +void CLMinMaxLocation::run() +{ + cl::CommandQueue q = CLScheduler::get().queue(); + + CLScheduler::get().enqueue(_min_max_kernel, false); + CLScheduler::get().enqueue(_min_max_loc_kernel, false); + + // Update min and max + q.enqueueReadBuffer(_min_max_vals, CL_FALSE, 0 * sizeof(int32_t), sizeof(int32_t), _min); + q.enqueueReadBuffer(_min_max_vals, CL_FALSE, 1 * sizeof(int32_t), sizeof(int32_t), _max); + + // Update min and max count + if(_min_count != nullptr) + { + q.enqueueReadBuffer(_min_max_count_vals, CL_FALSE, 0 * sizeof(uint32_t), sizeof(uint32_t), _min_count); + } + if(_max_count != nullptr) + { + q.enqueueReadBuffer(_min_max_count_vals, CL_FALSE, 1 * sizeof(uint32_t), sizeof(uint32_t), _max_count); + } + + // Update min/max point arrays (Makes the kernel blocking) + if(_min_loc != nullptr) + { + unsigned int min_count = 0; + q.enqueueReadBuffer(_min_max_count_vals, CL_TRUE, 0 * sizeof(uint32_t), sizeof(uint32_t), &min_count); + size_t min_corner_size = std::min(static_cast(min_count), _min_loc->max_num_values()); + _min_loc->resize(min_corner_size); + } + if(_max_loc != nullptr) + { + unsigned int max_count = 0; + q.enqueueReadBuffer(_min_max_count_vals, CL_TRUE, 1 * sizeof(uint32_t), sizeof(uint32_t), &max_count); + size_t max_corner_size = std::min(static_cast(max_count), _max_loc->max_num_values()); + _max_loc->resize(max_corner_size); + } +} -- cgit v1.2.1