89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
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/*
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* Copyright(c) 2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include "hvx_histogram_row.h"
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const int vector_len = 128;
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const int width = 275;
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const int height = 20;
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const int stride = (width + vector_len - 1) & -vector_len;
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int err;
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static uint8_t input[height][stride] __attribute__((aligned(128))) = {
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#include "hvx_histogram_input.h"
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};
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static int result[256] __attribute__((aligned(128)));
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static int expect[256] __attribute__((aligned(128)));
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static void check(void)
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{
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for (int i = 0; i < 256; i++) {
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int res = result[i];
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int exp = expect[i];
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if (res != exp) {
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printf("ERROR at %3d: 0x%04x != 0x%04x\n",
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i, res, exp);
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err++;
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}
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}
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}
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static void ref_histogram(uint8_t *src, int stride, int width, int height,
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int *hist)
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{
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for (int i = 0; i < 256; i++) {
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hist[i] = 0;
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}
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for (int i = 0; i < height; i++) {
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for (int j = 0; j < width; j++) {
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hist[src[i * stride + j]]++;
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}
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}
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}
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static void hvx_histogram(uint8_t *src, int stride, int width, int height,
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int *hist)
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{
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int n = 8192 / width;
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for (int i = 0; i < 256; i++) {
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hist[i] = 0;
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}
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for (int i = 0; i < height; i += n) {
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int k = height - i > n ? n : height - i;
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hvx_histogram_row(src, stride, width, k, hist);
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src += n * stride;
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}
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}
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int main()
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{
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ref_histogram(&input[0][0], stride, width, height, expect);
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hvx_histogram(&input[0][0], stride, width, height, result);
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check();
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puts(err ? "FAIL" : "PASS");
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return err ? 1 : 0;
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}
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