Remove Compute Vision Neon support

Resolves COMPMID-4150

Change-Id: I316e8ab97de796666c71eadfde894715fcf4a1aa
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5141
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

3 files changed, 0 insertions, 520 deletions

diff --git a/examples/neon_cartoon_effect.cpp b/examples/neon_cartoon_effect.cpp
deleted file mode 100644
index 24a689bee9..0000000000
--- a/examples/neon_cartoon_effect.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (c) 2017-2020 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/NEON/NEFunctions.h"
-
-#include "arm_compute/core/Types.h"
-#include "utils/ImageLoader.h"
-#include "utils/Utils.h"
-
-using namespace arm_compute;
-using namespace utils;
-
-class NEONCartoonEffectExample : public Example
-{
-public:
-    bool do_setup(int argc, char **argv) override
-    {
-        // Open PPM file
-        PPMLoader ppm;
-
-        if(argc < 2)
-        {
-            // Print help
-            std::cout << "Usage: ./build/neon_cartoon_effect [input_image.ppm]\n\n";
-            std::cout << "No input_image provided, creating a dummy 640x480 image\n";
-            // Create an empty grayscale 640x480 image
-            src_img.allocator()->init(TensorInfo(640, 480, Format::U8));
-        }
-        else
-        {
-            ppm.open(argv[1]);
-            ppm.init_image(src_img, Format::U8);
-        }
-
-        // Initialize just the dimensions and format of the images:
-        gaus5x5_img.allocator()->init(*src_img.info());
-        canny_edge_img.allocator()->init(*src_img.info());
-        dst_img.allocator()->init(*src_img.info());
-
-        // Configure the functions to call
-        gaus5x5.configure(&src_img, &gaus5x5_img, BorderMode::REPLICATE);
-        canny_edge.configure(&src_img, &canny_edge_img, 100, 80, 3, 1, BorderMode::REPLICATE);
-        sub.configure(&gaus5x5_img, &canny_edge_img, &dst_img, ConvertPolicy::SATURATE);
-
-        // Now that the padding requirements are known we can allocate the images:
-        src_img.allocator()->allocate();
-        dst_img.allocator()->allocate();
-        gaus5x5_img.allocator()->allocate();
-        canny_edge_img.allocator()->allocate();
-
-        // Fill the input image with the content of the PPM image if a filename was provided:
-        if(ppm.is_open())
-        {
-            ppm.fill_image(src_img);
-            output_filename = std::string(argv[1]) + "_out.ppm";
-        }
-
-        return true;
-    }
-
-    void do_run() override
-    {
-        // Execute the functions:
-        gaus5x5.run();
-        canny_edge.run();
-        sub.run();
-    }
-
-    void do_teardown() override
-    {
-        // Save the result to file:
-        if(!output_filename.empty())
-        {
-            save_to_ppm(dst_img, output_filename); // save_to_ppm maps and unmaps the image to store as PPM
-        }
-    }
-
-private:
-    Image                   src_img{}, dst_img{}, gaus5x5_img{}, canny_edge_img{};
-    NEGaussian5x5           gaus5x5{};
-    NECannyEdge             canny_edge{};
-    NEArithmeticSubtraction sub{};
-    std::string             output_filename{};
-};
-
-/** Main program for cartoon effect test
- *
- * @param[in] argc Number of arguments
- * @param[in] argv Arguments ( [optional] Path to PPM image to process )
- */
-int main(int argc, char **argv)
-{
-    return utils::run_example<NEONCartoonEffectExample>(argc, argv);
-}
diff --git a/examples/neon_opticalflow.cpp b/examples/neon_opticalflow.cpp
deleted file mode 100644
index ff9478cc18..0000000000
--- a/examples/neon_opticalflow.cpp
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- * Copyright (c) 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/runtime/NEON/NEFunctions.h"
-
-#include "arm_compute/core/Types.h"
-#include "utils/ImageLoader.h"
-#include "utils/Utils.h"
-
-#include <fstream>
-#include <sstream>
-#include <vector>
-
-using namespace arm_compute;
-using namespace utils;
-
-class NeonOpticalFlowExample : public Example
-{
-public:
-    NeonOpticalFlowExample()
-        : input_points(100), output_points(100), point_estimates(100)
-    {
-    }
-
-    bool do_setup(int argc, char **argv) override
-    {
-        if(argc < 5)
-        {
-            // Print help
-            std::cout << "Usage: ./build/neon_opticalflow [src_1st.ppm] [src_2nd.ppm] [keypoints] [estimates]\n\n";
-            const unsigned int img_width  = 64;
-            const unsigned int img_height = 64;
-            const unsigned int rect_x     = 20;
-            const unsigned int rect_y     = 40;
-            const unsigned int rect_s     = 8;
-            const unsigned int offsetx    = 24;
-            const unsigned int offsety    = 3;
-            std::cout << "No input_image provided, creating test data:\n";
-            std::cout << "\t Image src_1st = (" << img_width << "," << img_height << ")" << std::endl;
-            std::cout << "\t Image src_2nd = (" << img_width << "," << img_height << ")" << std::endl;
-            init_img(src_1st, img_width, img_height, rect_x, rect_y, rect_s);
-            init_img(src_2nd, img_width, img_height, rect_x + offsetx, rect_y + offsety, rect_s);
-            const int num_points = 4;
-            input_points.resize(num_points);
-            point_estimates.resize(num_points);
-            const std::array<unsigned int, num_points> tracking_coordsx = { rect_x - 1, rect_x, rect_x + 1, rect_x + 2 };
-            const std::array<unsigned int, num_points> tracking_coordsy = { rect_y - 1, rect_y, rect_y + 1, rect_y + 2 };
-            const std::array<unsigned int, num_points> estimate_coordsx = { rect_x + offsetx - 1, rect_x + offsetx, rect_x + offsetx + 1, rect_x + offsetx + 2 };
-            const std::array<unsigned int, num_points> estimate_coordsy = { rect_y + offsety - 1, rect_y + offsety, rect_y + offsety + 1, rect_y + offsety + 2 };
-
-            for(int k = 0; k < num_points; ++k)
-            {
-                auto &keypoint           = input_points.at(k);
-                keypoint.x               = tracking_coordsx[k];
-                keypoint.y               = tracking_coordsy[k];
-                keypoint.tracking_status = 1;
-            }
-            for(int k = 0; k < num_points; ++k)
-            {
-                auto &keypoint           = point_estimates.at(k);
-                keypoint.x               = estimate_coordsx[k];
-                keypoint.y               = estimate_coordsy[k];
-                keypoint.tracking_status = 1;
-            }
-        }
-        else
-        {
-            load_ppm(argv[1], src_1st);
-            load_ppm(argv[2], src_2nd);
-            load_keypoints(argv[3], input_points);
-            load_keypoints(argv[4], point_estimates);
-        }
-
-        print_points(input_points, "Tracking points : ");
-        print_points(point_estimates, "Estimates points : ");
-
-        const unsigned int num_levels = 3;
-        // Initialise and allocate pyramids
-        PyramidInfo pyramid_info(num_levels, SCALE_PYRAMID_HALF, src_1st.info()->tensor_shape(), src_1st.info()->format());
-        pyr_1st.init_auto_padding(pyramid_info);
-        pyr_2nd.init_auto_padding(pyramid_info);
-
-        pyrf_1st.configure(&src_1st, &pyr_1st, BorderMode::UNDEFINED, 0);
-        pyrf_2nd.configure(&src_2nd, &pyr_2nd, BorderMode::UNDEFINED, 0);
-
-        output_points.resize(input_points.num_values());
-
-        optkf.configure(&pyr_1st, &pyr_2nd,
-                        &input_points, &point_estimates, &output_points,
-                        Termination::TERM_CRITERIA_BOTH, 0.01f, 15, 5, true, BorderMode::UNDEFINED, 0);
-
-        pyr_1st.allocate();
-        pyr_2nd.allocate();
-
-        return true;
-    }
-    void do_run() override
-    {
-        //Execute the functions:
-        pyrf_1st.run();
-        pyrf_2nd.run();
-        optkf.run();
-    }
-    void do_teardown() override
-    {
-        print_points(output_points, "Output points : ");
-    }
-
-private:
-    /** Loads the input keypoints from a file into an array
-     *
-     * @param[in]  fn  Filename containing the keypoints. Each line must have two values X Y.
-     * @param[out] img Reference to an unintialised KeyPointArray
-     */
-    bool load_keypoints(const std::string &fn, KeyPointArray &array)
-    {
-        assert(!fn.empty());
-        std::ifstream f(fn);
-        if(f.is_open())
-        {
-            std::cout << "Reading points from " << fn << std::endl;
-            std::vector<KeyPoint> v;
-            for(std::string line; std::getline(f, line);)
-            {
-                std::stringstream ss(line);
-                std::string       xcoord;
-                std::string       ycoord;
-                getline(ss, xcoord, ' ');
-                getline(ss, ycoord, ' ');
-                KeyPoint kp;
-                kp.x               = std::stoi(xcoord);
-                kp.y               = std::stoi(ycoord);
-                kp.tracking_status = 1;
-                v.push_back(kp);
-            }
-            const int num_points = v.size();
-            array.resize(num_points);
-            for(int k = 0; k < num_points; ++k)
-            {
-                auto &keypoint = array.at(k);
-                keypoint       = v[k];
-            }
-            return true;
-        }
-        else
-        {
-            std::cout << "Cannot open keypoints file " << fn << std::endl;
-            return false;
-        }
-    }
-
-    /** Creates and Image and fills it with the ppm data from the file
-     *
-     * @param[in]  fn  PPM filename to be loaded
-     * @param[out] img Reference to an unintialised image instance
-     */
-    bool load_ppm(const std::string &fn, Image &img)
-    {
-        assert(!fn.empty());
-        PPMLoader ppm;
-        ppm.open(fn);
-        ppm.init_image(img, Format::U8);
-        img.allocator()->allocate();
-        if(ppm.is_open())
-        {
-            std::cout << "Reading image " << fn << std::endl;
-            ppm.fill_image(img);
-            return true;
-        }
-        else
-        {
-            std::cout << "Cannot open " << fn << std::endl;
-            return false;
-        }
-    }
-    /** Creates and Image and draws a square in the specified coordinares.
-     *
-     * @param[out] img             Reference to an unintialised image instance
-     * @param[in]  img_width       Width of the image to be created
-     * @param[in]  img_height      Height of the image to be created
-     * @param[in]  square_center_x Coordinate along x-axis to be used as the center for the square
-     * @param[in]  square_center_y Coordinate along y-axis to be used as the center for the square
-     * @param[in]  square_size     Size in pixels to be used for the square
-     */
-    void init_img(Image &img, unsigned int img_width, unsigned int img_height,
-                  unsigned int square_center_x, unsigned int square_center_y,
-                  unsigned int square_size)
-    {
-        img.allocator()->init(TensorInfo(img_width, img_height, Format::U8));
-        img.allocator()->allocate();
-        const unsigned int square_half = square_size / 2;
-        // assert the square is in the bounds of the image
-        assert(square_center_x > square_half && square_center_x + square_half < img_width);
-        assert(square_center_y > square_half && square_center_y + square_half < img_height);
-        // get ptr to the top left pixel for the squeare
-        std::fill(img.buffer(), img.buffer() + img_width * img_height, 0);
-        for(unsigned int i = 0; i < square_size; ++i)
-        {
-            for(unsigned int j = 0; j < square_size; ++j)
-            {
-                uint8_t *ptr = img.ptr_to_element(Coordinates(square_center_x - square_half + j, square_center_y - square_half + i));
-                *ptr         = 0xFF;
-            }
-        }
-    }
-    /** Prints an array of keypoints and an optional label
-     *
-     * @param[in] a   Keypoint array to be printed
-     * @param[in] str Label to be printed before the array
-     */
-    void print_points(const KeyPointArray &a, const std::string &str = "")
-    {
-        std::cout << str << std::endl;
-        for(unsigned int k = 0; k < a.num_values(); ++k)
-        {
-            auto kp = a.at(k);
-            std::cout << "\t "
-                      << " (x,y) = (" << kp.x << "," << kp.y << ")";
-            std::cout << " strength = " << kp.strength << " "
-                      << " scale = " << kp.scale << " orientation " << kp.orientation << " status " << kp.tracking_status << " err = " << kp.error << std::endl;
-        }
-    }
-
-    Pyramid               pyr_1st{};
-    Pyramid               pyr_2nd{};
-    NEGaussianPyramidHalf pyrf_1st{};
-    NEGaussianPyramidHalf pyrf_2nd{};
-    NEOpticalFlow         optkf{};
-    Image                 src_1st{}, src_2nd{};
-    KeyPointArray         input_points;
-    KeyPointArray         output_points;
-    KeyPointArray         point_estimates;
-};
-
-/** Main program for optical flow test
- *
- * @param[in] argc Number of arguments
- * @param[in] argv Arguments ( [optional] Path to PPM image to process )
- */
-int main(int argc, char **argv)
-{
-    return utils::run_example<NeonOpticalFlowExample>(argc, argv);
-}
diff --git a/examples/neoncl_scale_median_gaussian.cpp b/examples/neoncl_scale_median_gaussian.cpp
deleted file mode 100644
index 2580a35f24..0000000000
--- a/examples/neoncl_scale_median_gaussian.cpp
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (c) 2016-2021 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.
- */
-#ifndef ARM_COMPUTE_CL /* Needed by Utils.cpp to handle OpenCL exceptions properly */
-#error "This example needs to be built with -DARM_COMPUTE_CL"
-#endif /* ARM_COMPUTE_CL */
-
-#include "arm_compute/core/Types.h"
-#include "arm_compute/runtime/CL/CLScheduler.h"
-#include "arm_compute/runtime/CL/functions/CLGaussian5x5.h"
-#include "arm_compute/runtime/CL/functions/CLScale.h"
-#include "arm_compute/runtime/NEON/NEFunctions.h"
-#include "utils/ImageLoader.h"
-#include "utils/Utils.h"
-
-using namespace arm_compute;
-using namespace utils;
-
-/** Example demonstrating how to use both CL and Neon functions in the same pipeline
- *
- * @param[in] argc Number of arguments
- * @param[in] argv Arguments ( [optional] Path to PPM image to process )
- */
-class NEONCLScaleMedianGaussianExample : public Example
-{
-public:
-    bool do_setup(int argc, char **argv) override
-    {
-        /** [Neon / OpenCL Interop] */
-        PPMLoader ppm;
-
-        CLScheduler::get().default_init();
-
-        if(argc < 2)
-        {
-            // Print help
-            std::cout << "Usage: ./build/cl_convolution [input_image.ppm]\n\n";
-            std::cout << "No input_image provided, creating a dummy 640x480 image\n";
-            // Create an empty grayscale 640x480 image
-            src.allocator()->init(TensorInfo(640, 480, Format::U8));
-        }
-        else
-        {
-            ppm.open(argv[1]);
-            ppm.init_image(src, Format::U8);
-        }
-
-        TensorInfo scale_median_info(TensorInfo(src.info()->dimension(0) / 2, src.info()->dimension(1) / 2, Format::U8));
-
-        // Configure the temporary and destination images
-        scale_median.allocator()->init(scale_median_info);
-        median_gauss.allocator()->init(scale_median_info);
-        dst.allocator()->init(scale_median_info);
-
-        scale.configure(&src, &scale_median, ScaleKernelInfo{ InterpolationPolicy::NEAREST_NEIGHBOR, BorderMode::REPLICATE });
-        median.configure(&scale_median, &median_gauss, BorderMode::REPLICATE);
-        gauss.configure(&median_gauss, &dst, BorderMode::REPLICATE);
-
-        // Allocate all the images
-        src.allocator()->allocate();
-        scale_median.allocator()->allocate();
-        median_gauss.allocator()->allocate();
-        dst.allocator()->allocate();
-
-        // Fill the input image with the content of the PPM image if a filename was provided:
-        if(ppm.is_open())
-        {
-            ppm.fill_image(src);
-            const std::string output_filename = std::string(argv[1]) + "_out.ppm";
-        }
-        /** [Neon / OpenCL Interop] */
-
-        return true;
-    }
-    void do_run() override
-    {
-        // Enqueue and flush the OpenCL kernel:
-        scale.run();
-
-        // Do a blocking map of the input and output buffers of the Neon function:
-        scale_median.map();
-        median_gauss.map();
-
-        // Run the Neon function:
-        median.run();
-
-        // Unmap the output buffer before it's used again by OpenCL:
-        scale_median.unmap();
-        median_gauss.unmap();
-
-        // Run the final OpenCL function:
-        gauss.run();
-
-        // Make sure all the OpenCL jobs are done executing:
-        CLScheduler::get().sync();
-    }
-    void do_teardown() override
-    {
-        // Save the result to file:
-        if(!output_filename.empty())
-        {
-            save_to_ppm(dst, output_filename); // save_to_ppm maps and unmaps the image to store as PPM
-        }
-    }
-
-private:
-    CLImage       src{}, scale_median{}, median_gauss{}, dst{};
-    CLScale       scale{};
-    NEMedian3x3   median{};
-    CLGaussian5x5 gauss{};
-    std::string   output_filename{};
-};
-
-/** Main program for neon/cl scale median gaussian test
- *
- * @param[in] argc Number of arguments
- * @param[in] argv Arguments ( [optional] Path to PPM image to process )
- */
-int main(int argc, char **argv)
-{
-    return utils::run_example<NEONCLScaleMedianGaussianExample>(argc, argv);
-}