aboutsummaryrefslogtreecommitdiff
path: root/src/core/NEON/kernels/NEChannelExtractKernel.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/NEON/kernels/NEChannelExtractKernel.cpp')
-rw-r--r--src/core/NEON/kernels/NEChannelExtractKernel.cpp267
1 files changed, 0 insertions, 267 deletions
diff --git a/src/core/NEON/kernels/NEChannelExtractKernel.cpp b/src/core/NEON/kernels/NEChannelExtractKernel.cpp
deleted file mode 100644
index 61e1304963..0000000000
--- a/src/core/NEON/kernels/NEChannelExtractKernel.cpp
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
- * Copyright (c) 2016-2019 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/NEON/kernels/NEChannelExtractKernel.h"
-
-#include "arm_compute/core/Error.h"
-#include "arm_compute/core/Helpers.h"
-#include "arm_compute/core/IAccessWindow.h"
-#include "arm_compute/core/IMultiImage.h"
-#include "arm_compute/core/ITensor.h"
-#include "arm_compute/core/MultiImageInfo.h"
-#include "arm_compute/core/NEON/INEKernel.h"
-#include "arm_compute/core/TensorInfo.h"
-#include "arm_compute/core/Types.h"
-#include "arm_compute/core/Validate.h"
-#include "arm_compute/core/Window.h"
-
-#include <arm_neon.h>
-
-using namespace arm_compute;
-
-namespace arm_compute
-{
-class Coordinates;
-} // namespace arm_compute
-
-NEChannelExtractKernel::NEChannelExtractKernel()
- : _func(nullptr), _lut_index(0)
-{
-}
-
-void NEChannelExtractKernel::configure(const ITensor *input, Channel channel, ITensor *output)
-{
- ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
- ARM_COMPUTE_ERROR_ON(input == output);
-
- set_format_if_unknown(*output->info(), Format::U8);
-
- // Check if input tensor has a valid format
- ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(input, Format::RGB888, Format::RGBA8888, Format::UYVY422, Format::YUYV422);
- ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(output, Format::U8);
-
- ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input);
- ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(output);
-
- // Check if channel is valid for given format
- const Format format = input->info()->format();
- ARM_COMPUTE_ERROR_ON_CHANNEL_NOT_IN_KNOWN_FORMAT(format, channel);
-
- unsigned int subsampling = 1;
-
- if(format == Format::YUYV422 || format == Format::UYVY422)
- {
- // Check if the width of the tensor shape is even for formats with subsampled channels (UYVY422 and YUYV422)
- ARM_COMPUTE_ERROR_ON_TENSORS_NOT_EVEN(format, input);
-
- if(channel != Channel::Y)
- {
- subsampling = 2;
- }
- }
-
- TensorShape output_shape = calculate_subsampled_shape(input->info()->tensor_shape(), format, channel);
- set_shape_if_empty(*output->info(), output_shape);
-
- ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(output_shape, output->info()->tensor_shape());
-
- _input = input;
- _output = output;
- _lut_index = channel_idx_from_format(format, channel);
-
- unsigned int num_elems_processed_per_iteration = 16;
-
- if(format == Format::YUYV422 || format == Format::UYVY422)
- {
- _func = &NEChannelExtractKernel::extract_1C_from_2C_img;
-
- if(channel != Channel::Y) // Channel::U or Channel::V
- {
- num_elems_processed_per_iteration = 32;
- _func = &NEChannelExtractKernel::extract_YUYV_uv;
- }
- }
- else // Format::RGB888 or Format::RGBA8888
- {
- _func = &NEChannelExtractKernel::extract_1C_from_3C_img;
-
- if(format == Format::RGBA8888)
- {
- _func = &NEChannelExtractKernel::extract_1C_from_4C_img;
- }
- }
-
- Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration));
-
- AccessWindowHorizontal input_access(input->info(), 0, num_elems_processed_per_iteration);
- AccessWindowRectangle output_access(output->info(), 0, 0, num_elems_processed_per_iteration, 1, 1.f / subsampling, 1.f / subsampling);
- update_window_and_padding(win, input_access, output_access);
-
- ValidRegion input_valid_region = input->info()->valid_region();
- output_access.set_valid_region(win, ValidRegion(input_valid_region.anchor, output->info()->tensor_shape()));
-
- INEKernel::configure(win);
-}
-
-void NEChannelExtractKernel::configure(const IMultiImage *input, Channel channel, IImage *output)
-{
- ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
- ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(output);
-
- set_format_if_unknown(*output->info(), Format::U8);
-
- const Format format = input->info()->format();
- ARM_COMPUTE_ERROR_ON_CHANNEL_NOT_IN_KNOWN_FORMAT(format, channel);
-
- // Get input plane
- const IImage *input_plane = input->plane(plane_idx_from_channel(format, channel));
- ARM_COMPUTE_ERROR_ON_NULLPTR(input_plane);
-
- if(Channel::Y == channel && format != Format::YUV444)
- {
- // Check if the width of the tensor shape is even for formats with subsampled channels (UYVY422 and YUYV422)
- ARM_COMPUTE_ERROR_ON_TENSORS_NOT_EVEN(format, input_plane);
- }
-
- // Calculate 2x2 subsampled tensor shape
- TensorShape output_shape = calculate_subsampled_shape(input->plane(0)->info()->tensor_shape(), format, channel);
- set_shape_if_empty(*output->info(), output_shape);
-
- ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(output_shape, output->info()->tensor_shape());
-
- // Check if input tensor has a valid format
- ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(input, Format::NV12, Format::NV21, Format::IYUV, Format::YUV444);
- ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(output, Format::U8);
-
- _input = input_plane;
- _output = output;
- _lut_index = channel_idx_from_format(format, channel);
-
- unsigned int num_elems_processed_per_iteration = 32;
-
- _func = &NEChannelExtractKernel::copy_plane;
-
- if((format == Format::NV12 || format == Format::NV21) && channel != Channel::Y)
- {
- num_elems_processed_per_iteration = 16;
- _func = &NEChannelExtractKernel::extract_1C_from_2C_img;
- }
-
- Window win = calculate_max_window(*_input->info(), Steps(num_elems_processed_per_iteration));
-
- AccessWindowHorizontal input_access(_input->info(), 0, num_elems_processed_per_iteration);
- AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
- update_window_and_padding(win, input_access, output_access);
- output_access.set_valid_region(win, _input->info()->valid_region());
-
- INEKernel::configure(win);
-}
-
-void NEChannelExtractKernel::run(const Window &window, const ThreadInfo &info)
-{
- ARM_COMPUTE_UNUSED(info);
- ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
- ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::window(), window);
- ARM_COMPUTE_ERROR_ON(_func == nullptr);
-
- (this->*_func)(window);
-}
-
-void NEChannelExtractKernel::extract_1C_from_2C_img(const Window &win)
-{
- Iterator in(_input, win);
- Iterator out(_output, win);
-
- execute_window_loop(win, [&](const Coordinates &)
- {
- const auto in_ptr = static_cast<uint8_t *>(in.ptr());
- const auto out_ptr = static_cast<uint8_t *>(out.ptr());
- const auto pixels = vld2q_u8(in_ptr);
- vst1q_u8(out_ptr, pixels.val[_lut_index]);
- },
- in, out);
-}
-
-void NEChannelExtractKernel::extract_1C_from_3C_img(const Window &win)
-{
- Iterator in(_input, win);
- Iterator out(_output, win);
-
- execute_window_loop(win, [&](const Coordinates &)
- {
- const auto in_ptr = static_cast<uint8_t *>(in.ptr());
- const auto out_ptr = static_cast<uint8_t *>(out.ptr());
- const auto pixels = vld3q_u8(in_ptr);
- vst1q_u8(out_ptr, pixels.val[_lut_index]);
- },
- in, out);
-}
-
-void NEChannelExtractKernel::extract_1C_from_4C_img(const Window &win)
-{
- Iterator in(_input, win);
- Iterator out(_output, win);
-
- execute_window_loop(win, [&](const Coordinates &)
- {
- const auto in_ptr = static_cast<uint8_t *>(in.ptr());
- const auto out_ptr = static_cast<uint8_t *>(out.ptr());
- const auto pixels = vld4q_u8(in_ptr);
- vst1q_u8(out_ptr, pixels.val[_lut_index]);
- },
- in, out);
-}
-
-void NEChannelExtractKernel::extract_YUYV_uv(const Window &win)
-{
- ARM_COMPUTE_ERROR_ON(win.x().step() % 2);
-
- Window win_out(win);
- win_out.set_dimension_step(Window::DimX, win.x().step() / 2);
-
- Iterator in(_input, win);
- Iterator out(_output, win_out);
-
- execute_window_loop(win, [&](const Coordinates &)
- {
- const auto in_ptr = static_cast<uint8_t *>(in.ptr());
- const auto out_ptr = static_cast<uint8_t *>(out.ptr());
- const auto pixels = vld4q_u8(in_ptr);
- vst1q_u8(out_ptr, pixels.val[_lut_index]);
- },
- in, out);
-}
-
-void NEChannelExtractKernel::copy_plane(const Window &win)
-{
- Iterator in(_input, win);
- Iterator out(_output, win);
-
- execute_window_loop(win, [&](const Coordinates &)
- {
- const auto in_ptr = static_cast<uint8_t *>(in.ptr());
- const auto out_ptr = static_cast<uint8_t *>(out.ptr());
- vst4_u8(out_ptr, vld4_u8(in_ptr));
- },
- in, out);
-}