d3d8/tests: Introduce compare_uint().

Signed-off-by: Chip Davis <cdavis@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Chip Davis 2020-03-30 20:30:08 +04:30 committed by Alexandre Julliard
parent d5f25c2cd7
commit 67af6800a2
1 changed files with 11 additions and 8 deletions

View File

@ -51,16 +51,19 @@ static HWND create_window(void)
0, 0, rect.right - rect.left, rect.bottom - rect.top, 0, 0, 0, 0);
}
static BOOL compare_uint(unsigned int x, unsigned int y, unsigned int max_diff)
{
unsigned int diff = x > y ? x - y : y - x;
return diff <= max_diff;
}
static BOOL color_match(D3DCOLOR c1, D3DCOLOR c2, BYTE max_diff)
{
if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff) return FALSE;
c1 >>= 8; c2 >>= 8;
if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff) return FALSE;
c1 >>= 8; c2 >>= 8;
if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff) return FALSE;
c1 >>= 8; c2 >>= 8;
if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff) return FALSE;
return TRUE;
return compare_uint(c1 & 0xff, c2 & 0xff, max_diff)
&& compare_uint((c1 >> 8) & 0xff, (c2 >> 8) & 0xff, max_diff)
&& compare_uint((c1 >> 16) & 0xff, (c2 >> 16) & 0xff, max_diff)
&& compare_uint((c1 >> 24) & 0xff, (c2 >> 24) & 0xff, max_diff);
}
static BOOL compare_float(float f, float g, unsigned int ulps)