From 83666361c9b83f739558533ae9a02a7834682f1c Mon Sep 17 00:00:00 2001 From: Henri Verbeet Date: Mon, 30 Mar 2020 20:30:14 +0430 Subject: [PATCH] d3drm/tests: Introduce compare_uint(). Signed-off-by: Henri Verbeet Signed-off-by: Alexandre Julliard --- dlls/d3drm/tests/d3drm.c | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-) diff --git a/dlls/d3drm/tests/d3drm.c b/dlls/d3drm/tests/d3drm.c index 6821bca50fe..25e9b4e0ac8 100644 --- a/dlls/d3drm/tests/d3drm.c +++ b/dlls/d3drm/tests/d3drm.c @@ -103,6 +103,21 @@ static void vector_eq_(unsigned int line, const D3DVECTOR *left, const D3DVECTOR expect_vector_(line, left, U1(*right).x, U2(*right).y, U3(*right).z, 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 compare_color(D3DCOLOR c1, D3DCOLOR c2, BYTE max_diff) +{ + 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 D3DRMMATRIX4D identity = { { 1.0f, 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f, 0.0f }, @@ -6714,18 +6729,6 @@ static IDirect3DDevice2 *create_device2_without_ds(IDirectDraw2 *ddraw, HWND win return device; } -static BOOL compare_color(D3DCOLOR c1, D3DCOLOR c2, BYTE max_diff) -{ - if ((c1 & 0xff) - (c2 & 0xff) > max_diff) return FALSE; - c1 >>= 8; c2 >>= 8; - if ((c1 & 0xff) - (c2 & 0xff) > max_diff) return FALSE; - c1 >>= 8; c2 >>= 8; - if ((c1 & 0xff) - (c2 & 0xff) > max_diff) return FALSE; - c1 >>= 8; c2 >>= 8; - if ((c1 & 0xff) - (c2 & 0xff) > max_diff) return FALSE; - return TRUE; -} - static void clear_depth_surface(IDirectDrawSurface *surface, DWORD value) { HRESULT hr;