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checkasm: sw_rgb: Add a test for interleaveBytes

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2020-05-15 11:24:17 +03:00
parent 7168adedbc
commit eba1ebd9bf
1 changed files with 70 additions and 0 deletions
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70
tests/checkasm/sw_rgb.c
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@ -111,6 +111,73 @@ static void check_uyvy_to_422p(void)
}
}
static void check_interleave_bytes(void)
{
LOCAL_ALIGNED_16(uint8_t, src0_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, src1_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, dst0_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
LOCAL_ALIGNED_16(uint8_t, dst1_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
// Intentionally using unaligned buffers, as this function doesn't have
// any alignment requirements.
uint8_t *src0 = src0_buf + 1;
uint8_t *src1 = src1_buf + 1;
uint8_t *dst0 = dst0_buf + 2;
uint8_t *dst1 = dst1_buf + 2;
declare_func_emms(AV_CPU_FLAG_MMX, void, const uint8_t *, const uint8_t *,
uint8_t *, int, int, int, int, int);
randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT);
randomize_buffers(src1, MAX_STRIDE * MAX_HEIGHT);
if (check_func(interleaveBytes, "interleave_bytes")) {
for (int i = 0; i <= 16; i++) {
// Try all widths [1,16], and try one random width.
int w = i > 0 ? i : (1 + (rnd() % (MAX_STRIDE-2)));
int h = 1 + (rnd() % (MAX_HEIGHT-2));
memset(dst0, 0, 2 * MAX_STRIDE * MAX_HEIGHT);
memset(dst1, 0, 2 * MAX_STRIDE * MAX_HEIGHT);
int src0_offset = 0, src0_stride = MAX_STRIDE;
int src1_offset = 0, src1_stride = MAX_STRIDE;
int dst_offset = 0, dst_stride = 2 * MAX_STRIDE;
// Try different combinations of negative strides
if (i & 1) {
src0_offset = (h-1)*src0_stride;
src0_stride = -src0_stride;
}
if (i & 2) {
src1_offset = (h-1)*src1_stride;
src1_stride = -src1_stride;
}
if (i & 4) {
dst_offset = (h-1)*dst_stride;
dst_stride = -dst_stride;
}
call_ref(src0 + src0_offset, src1 + src1_offset, dst0 + dst_offset,
w, h, src0_stride, src1_stride, dst_stride);
call_new(src0 + src0_offset, src1 + src1_offset, dst1 + dst_offset,
w, h, src0_stride, src1_stride, dst_stride);
// Check a one pixel-pair edge around the destination area,
// to catch overwrites past the end.
checkasm_check(uint8_t, dst0, 2*MAX_STRIDE, dst1, 2*MAX_STRIDE,
2 * w + 2, h + 1, "dst");
}
bench_new(src0, src1, dst1, 127, MAX_HEIGHT,
MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);
}
if (check_func(interleaveBytes, "interleave_bytes_aligned")) {
// Bench the function in a more typical case, with aligned
// buffers and widths.
bench_new(src0_buf, src1_buf, dst1_buf, 128, MAX_HEIGHT,
MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);
}
}
void checkasm_check_sw_rgb(void)
{
ff_sws_rgb2rgb_init();
@ -132,4 +199,7 @@ void checkasm_check_sw_rgb(void)
check_uyvy_to_422p();
report("uyvytoyuv422");
check_interleave_bytes();
report("interleave_bytes");
}