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/*
* Copyright (C) 2021-2022 libass contributors
*
* This file is part of libass.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "ass_compat.h"
#include "ass_utils.h"
#include "checkasm.h"
#include <string.h>
#define HEIGHT 13
#define STRIDE 64
#define MIN_WIDTH 1
static void check_stripe_unpack(Convert8to16Func func, const char *name, int align)
{
ALIGN(uint8_t src[STRIDE * HEIGHT], 32);
ALIGN(int16_t dst_ref[STRIDE * HEIGHT], 32);
ALIGN(int16_t dst_new[STRIDE * HEIGHT], 32);
declare_func(void,
int16_t *dst, const uint8_t *src, ptrdiff_t src_stride,
size_t width, size_t height);
if (check_func(func, name, align)) {
for (int w = MIN_WIDTH; w <= STRIDE; w++) {
for (int i = 0; i < sizeof(src); i++)
src[i] = rnd();
for (int i = 0; i < sizeof(dst_ref) / 2; i++)
dst_ref[i] = dst_new[i] = rnd();
int h = HEIGHT - (rnd() & 3);
call_ref(dst_ref, src, STRIDE, w, h);
call_new(dst_new, src, STRIDE, w, h);
if (memcmp(dst_ref, dst_new, sizeof(dst_ref))) {
fail();
break;
}
}
bench_new(dst_new, src, STRIDE, STRIDE, HEIGHT);
}
report(name, align);
}
static void check_stripe_pack(Convert16to8Func func, const char *name, int align)
{
ALIGN(int16_t src[STRIDE * HEIGHT], 32);
ALIGN(uint8_t dst_ref[STRIDE * HEIGHT], 32);
ALIGN(uint8_t dst_new[STRIDE * HEIGHT], 32);
declare_func(void,
uint8_t *dst, ptrdiff_t dst_stride, const int16_t *src,
size_t width, size_t height);
if (check_func(func, name, align)) {
for (int w = MIN_WIDTH; w <= STRIDE; w++) {
for (int i = 0; i < sizeof(src) / 2; i++)
src[i] = rnd() % 0x4001;
memset(dst_ref, 0, sizeof(dst_ref));
memset(dst_new, 0, sizeof(dst_new));
for (int y = 0; y < HEIGHT; y++) {
for (int x = 0; x < w; x++)
dst_ref[y * STRIDE + x] = dst_new[y * STRIDE + x] = rnd();
}
int h = HEIGHT - (rnd() & 3);
call_ref(dst_ref, STRIDE, src, w, h);
call_new(dst_new, STRIDE, src, w, h);
if (memcmp(dst_ref, dst_new, sizeof(dst_ref))) {
fail();
break;
}
}
bench_new(dst_new, STRIDE, src, STRIDE, HEIGHT);
}
report(name, align);
}
static void check_fixed_filter(FilterFunc func, const char *name, int align)
{
enum { PADDING = FFMAX(32 * HEIGHT, 4 * STRIDE) };
ALIGN(int16_t src[STRIDE * HEIGHT], 32);
ALIGN(int16_t dst_ref[2 * STRIDE * HEIGHT + PADDING], 32);
ALIGN(int16_t dst_new[2 * STRIDE * HEIGHT + PADDING], 32);
declare_func(void,
int16_t *dst, const int16_t *src,
size_t src_width, size_t src_height);
if (check_func(func, name, align)) {
for (int w = MIN_WIDTH; w <= STRIDE; w++) {
for (int i = 0; i < sizeof(src) / 2; i++)
src[i] = rnd() % 0x4001;
for (int i = 0; i < sizeof(dst_ref) / 2; i++)
dst_ref[i] = dst_new[i] = rnd();
int h = HEIGHT - (rnd() & 3);
call_ref(dst_ref, src, w, h);
call_new(dst_new, src, w, h);
if (memcmp(dst_ref, dst_new, sizeof(dst_ref))) {
fail();
break;
}
}
bench_new(dst_new, src, STRIDE, HEIGHT);
}
report(name, align);
}
static void check_param_filter(ParamFilterFunc func, const char *name, int n, int align)
{
enum { PADDING = FFMAX(32 * HEIGHT, 16 * STRIDE) };
ALIGN(int16_t src[STRIDE * HEIGHT], 32);
ALIGN(int16_t dst_ref[STRIDE * HEIGHT + PADDING], 32);
ALIGN(int16_t dst_new[STRIDE * HEIGHT + PADDING], 32);
int16_t param[8];
declare_func(void,
int16_t *dst, const int16_t *src,
size_t src_width, size_t src_height,
const int16_t *param);
if (check_func(func, name, n, align)) {
for (int w = MIN_WIDTH; w <= STRIDE; w++) {
for (int i = 0; i < sizeof(src) / 2; i++)
src[i] = rnd() % 0x4001;
for (int i = 0; i < sizeof(dst_ref) / 2; i++)
dst_ref[i] = dst_new[i] = rnd();
int left = 0x8000;
for (int i = 0; i < n; i++) {
param[i] = rnd() % FFMIN(left + 1, 0x8000);
left -= param[i];
}
int h = HEIGHT - (rnd() & 3);
call_ref(dst_ref, src, w, h, param);
call_new(dst_new, src, w, h, param);
if (memcmp(dst_ref, dst_new, sizeof(dst_ref))) {
fail();
break;
}
}
bench_new(dst_new, src, STRIDE, HEIGHT, param);
}
report(name, n, align);
}
void checkasm_check_blur(unsigned cpu_flag)
{
BitmapEngine engine[2] = {
ass_bitmap_engine_init(cpu_flag),
ass_bitmap_engine_init(cpu_flag | ASS_FLAG_WIDE_STRIPE)
};
for (int i = 0; i < 2; i++) {
int align = 1 << engine[i].align_order;
check_stripe_unpack(engine[i].stripe_unpack, "stripe_unpack%d", align);
check_stripe_pack(engine[i].stripe_pack, "stripe_pack%d", align);
check_fixed_filter(engine[i].shrink_horz, "shrink_horz%d", align);
check_fixed_filter(engine[i].shrink_vert, "shrink_vert%d", align);
check_fixed_filter(engine[i].expand_horz, "expand_horz%d", align);
check_fixed_filter(engine[i].expand_vert, "expand_vert%d", align);
for (int n = 4; n <= 8; n++) {
check_param_filter(engine[i].blur_horz[n - 4], "blur%d_horz%d", n, align);
check_param_filter(engine[i].blur_vert[n - 4], "blur%d_vert%d", n, align);
}
}
}
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