Signed-off-by: Henri Verbeet hverbeet@codeweavers.com --- dlls/d2d1/tests/d2d1.c | 23 +++++++++++------------ 1 file changed, 11 insertions(+), 12 deletions(-)
diff --git a/dlls/d2d1/tests/d2d1.c b/dlls/d2d1/tests/d2d1.c index 8548a0a4aa2..7c0ee91099e 100644 --- a/dlls/d2d1/tests/d2d1.c +++ b/dlls/d2d1/tests/d2d1.c @@ -346,20 +346,19 @@ static DWORD get_readback_colour(struct resource_readback *rb, unsigned int x, u return ((DWORD *)((BYTE *)rb->map_desc.pData + y * rb->map_desc.RowPitch))[x]; }
+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 compare_colour(DWORD c1, DWORD 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)