ddraw/tests: Test invalid clipper objects.
Signed-off-by: Stefan Dösinger <stefan@codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
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347efb985c
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@ -12293,6 +12293,156 @@ static void test_alphatest(void)
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DestroyWindow(window);
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}
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static void test_clipper_refcount(void)
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{
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IDirectDrawSurface *surface;
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IDirectDrawClipper *clipper, *clipper2;
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DDSURFACEDESC surface_desc;
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IDirectDraw *ddraw;
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ULONG refcount;
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HWND window;
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HRESULT hr;
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BOOL changed;
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const IDirectDrawClipperVtbl *orig_vtbl;
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window = create_window();
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ddraw = create_ddraw();
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ok(!!ddraw, "Failed to create a ddraw object.\n");
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hr = IDirectDraw_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
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ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
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memset(&surface_desc, 0, sizeof(surface_desc));
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surface_desc.dwSize = sizeof(surface_desc);
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surface_desc.dwFlags = DDSD_CAPS;
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surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
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hr = IDirectDraw_CreateSurface(ddraw, &surface_desc, &surface, NULL);
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ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
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hr = IDirectDraw_CreateClipper(ddraw, 0, &clipper, NULL);
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ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
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/* Show that clipper validation doesn't somehow happen through per-clipper vtable
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* pointers. */
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hr = IDirectDraw_CreateClipper(ddraw, 0, &clipper2, NULL);
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ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
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ok(clipper->lpVtbl == clipper2->lpVtbl, "Got different clipper vtables %p and %p.\n",
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clipper->lpVtbl, clipper2->lpVtbl);
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orig_vtbl = clipper->lpVtbl;
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IDirectDrawClipper_Release(clipper2);
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/* Surfaces hold a reference to clippers. No surprises there. */
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hr = IDirectDrawSurface_SetClipper(surface, clipper);
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ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
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hr = IDirectDrawSurface_GetClipper(surface, &clipper2);
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ok(SUCCEEDED(hr), "Failed to get clipper, hr %#x.\n", hr);
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ok(clipper == clipper2, "Got clipper %p, expected %p.\n", clipper2, clipper);
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refcount = IDirectDrawClipper_Release(clipper2);
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ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
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hr = IDirectDrawSurface_SetClipper(surface, NULL);
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ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
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hr = IDirectDrawSurface_SetClipper(surface, clipper);
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ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
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refcount = IDirectDrawSurface_Release(surface);
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ok(!refcount, "%u references left.\n", refcount);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
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/* SetClipper with an invalid pointer crashes. */
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/* Clipper methods work with a broken vtable, with the exception of Release. */
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clipper->lpVtbl = (void *)0xdeadbeef;
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refcount = orig_vtbl->AddRef(clipper);
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todo_wine ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
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refcount = orig_vtbl->Release(clipper);
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ok(!refcount, "Got unexpected refcount %u.\n", refcount);
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clipper->lpVtbl = orig_vtbl;
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refcount = orig_vtbl->Release(clipper);
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todo_wine ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
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/* Fix the refcount difference because Wine did not increase the ref in the
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* AddRef call above. */
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if (refcount)
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{
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refcount = IDirectDrawClipper_Release(clipper);
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ok(!refcount, "Got unexpected refcount %u.\n", refcount);
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}
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/* Steal the reference and see what happens - releasing the surface works fine.
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* The clipper is destroyed and not kept alive by a hidden refcount - trying to
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* release it after the GetClipper call is likely to crash, and certain to crash
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* if we allocate and zero as much heap memory as we can get. */
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hr = IDirectDraw_CreateSurface(ddraw, &surface_desc, &surface, NULL);
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ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
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hr = IDirectDraw_CreateClipper(ddraw, 0, &clipper, NULL);
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ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
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hr = IDirectDrawSurface_SetClipper(surface, clipper);
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ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
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IDirectDrawClipper_Release(clipper);
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IDirectDrawClipper_Release(clipper);
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hr = IDirectDrawSurface_GetClipper(surface, &clipper2);
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ok(SUCCEEDED(hr), "Failed to get clipper, hr %#x.\n", hr);
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ok(clipper == clipper2, "Got clipper %p, expected %p.\n", clipper2, clipper);
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/* Show that invoking the Release method does not crash, but don't get the
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* vtable through the clipper pointer because it is no longer pointing to
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* valid memory. */
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refcount = orig_vtbl->Release(clipper);
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ok(!refcount, "%u references left.\n", refcount);
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refcount = IDirectDrawSurface_Release(surface);
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ok(!refcount, "%u references left.\n", refcount);
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/* It looks like the protection against invalid thispointers is part of
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* the IDirectDrawClipper method implementation, not IDirectDrawSurface. */
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clipper = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 0x1000);
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ok(!!clipper, "failed to allocate memory\n");
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/* Assigning the vtable to our fake clipper does NOT make a difference on
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* native - there is a different member of the clipper implementation struct
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* that is used to determine if a clipper is valid. */
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clipper->lpVtbl = orig_vtbl;
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refcount = orig_vtbl->AddRef(clipper);
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todo_wine ok(!refcount, "Got refcount %u.\n", refcount);
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refcount = orig_vtbl->AddRef((IDirectDrawClipper *)(ULONG_PTR)0xdeadbeef);
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ok(!refcount, "Got refcount %u.\n", refcount);
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changed = 0x1234;
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hr = orig_vtbl->IsClipListChanged(clipper, &changed);
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todo_wine ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
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todo_wine ok(changed == 0x1234, "'changed' changed: %x.\n", changed);
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changed = 0x1234;
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hr = orig_vtbl->IsClipListChanged((IDirectDrawClipper *)(ULONG_PTR)0xdeadbeef, &changed);
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ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
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ok(changed == 0x1234, "'changed' changed: %x.\n", changed);
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/* Nope, we can't initialize our fake clipper. */
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hr = orig_vtbl->Initialize(clipper, ddraw, 0);
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todo_wine ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
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HeapFree(GetProcessHeap(), 0, clipper);
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refcount = IDirectDraw_Release(ddraw);
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ok(!refcount, "%u references left.\n", refcount);
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DestroyWindow(window);
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}
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START_TEST(ddraw1)
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{
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DDDEVICEIDENTIFIER identifier;
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@ -12401,4 +12551,5 @@ START_TEST(ddraw1)
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test_killfocus();
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test_gdi_surface();
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test_alphatest();
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test_clipper_refcount();
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}
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@ -13552,6 +13552,163 @@ static void test_alphatest(void)
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DestroyWindow(window);
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}
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static void test_clipper_refcount(void)
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{
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IDirectDrawSurface *surface;
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IDirectDrawClipper *clipper, *clipper2;
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DDSURFACEDESC surface_desc;
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IDirectDraw2 *ddraw;
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IDirectDraw *ddraw1;
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ULONG refcount;
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HWND window;
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HRESULT hr;
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BOOL changed;
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const IDirectDrawClipperVtbl *orig_vtbl;
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window = create_window();
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ddraw = create_ddraw();
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ok(!!ddraw, "Failed to create a ddraw object.\n");
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hr = IDirectDraw2_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
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ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
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memset(&surface_desc, 0, sizeof(surface_desc));
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surface_desc.dwSize = sizeof(surface_desc);
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surface_desc.dwFlags = DDSD_CAPS;
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surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
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hr = IDirectDraw2_CreateSurface(ddraw, &surface_desc, &surface, NULL);
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ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
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hr = IDirectDraw2_CreateClipper(ddraw, 0, &clipper, NULL);
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ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
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/* Show that clipper validation doesn't somehow happen through per-clipper vtable
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* pointers. */
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hr = IDirectDraw2_CreateClipper(ddraw, 0, &clipper2, NULL);
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ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
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ok(clipper->lpVtbl == clipper2->lpVtbl, "Got different clipper vtables %p and %p.\n",
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clipper->lpVtbl, clipper2->lpVtbl);
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orig_vtbl = clipper->lpVtbl;
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IDirectDrawClipper_Release(clipper2);
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/* Surfaces hold a reference to clippers. No surprises there. */
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hr = IDirectDrawSurface_SetClipper(surface, clipper);
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ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
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hr = IDirectDrawSurface_GetClipper(surface, &clipper2);
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ok(SUCCEEDED(hr), "Failed to get clipper, hr %#x.\n", hr);
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ok(clipper == clipper2, "Got clipper %p, expected %p.\n", clipper2, clipper);
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refcount = IDirectDrawClipper_Release(clipper2);
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ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
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hr = IDirectDrawSurface_SetClipper(surface, NULL);
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ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
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hr = IDirectDrawSurface_SetClipper(surface, clipper);
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ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
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refcount = IDirectDrawSurface_Release(surface);
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ok(!refcount, "%u references left.\n", refcount);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
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/* SetClipper with an invalid pointer crashes. */
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/* Clipper methods work with a broken vtable, with the exception of Release. */
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clipper->lpVtbl = (void *)0xdeadbeef;
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refcount = orig_vtbl->AddRef(clipper);
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todo_wine ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
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refcount = orig_vtbl->Release(clipper);
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ok(!refcount, "Got unexpected refcount %u.\n", refcount);
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clipper->lpVtbl = orig_vtbl;
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refcount = orig_vtbl->Release(clipper);
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todo_wine ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
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/* Fix the refcount difference because Wine did not increase the ref in the
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* AddRef call above. */
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if (refcount)
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{
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refcount = IDirectDrawClipper_Release(clipper);
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ok(!refcount, "Got unexpected refcount %u.\n", refcount);
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}
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/* Steal the reference and see what happens - releasing the surface works fine.
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* The clipper is destroyed and not kept alive by a hidden refcount - trying to
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* release it after the GetClipper call is likely to crash, and certain to crash
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* if we allocate and zero as much heap memory as we can get. */
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hr = IDirectDraw2_CreateSurface(ddraw, &surface_desc, &surface, NULL);
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ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
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hr = IDirectDraw2_CreateClipper(ddraw, 0, &clipper, NULL);
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ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
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hr = IDirectDrawSurface_SetClipper(surface, clipper);
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ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
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IDirectDrawClipper_Release(clipper);
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IDirectDrawClipper_Release(clipper);
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hr = IDirectDrawSurface_GetClipper(surface, &clipper2);
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ok(SUCCEEDED(hr), "Failed to get clipper, hr %#x.\n", hr);
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ok(clipper == clipper2, "Got clipper %p, expected %p.\n", clipper2, clipper);
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/* Show that invoking the Release method does not crash, but don't get the
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* vtable through the clipper pointer because it is no longer pointing to
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* valid memory. */
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refcount = orig_vtbl->Release(clipper);
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ok(!refcount, "%u references left.\n", refcount);
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refcount = IDirectDrawSurface_Release(surface);
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ok(!refcount, "%u references left.\n", refcount);
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/* It looks like the protection against invalid thispointers is part of
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* the IDirectDrawClipper method implementation, not IDirectDrawSurface. */
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clipper = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 0x1000);
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ok(!!clipper, "failed to allocate memory\n");
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/* Assigning the vtable to our fake clipper does NOT make a difference on
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* native - there is a different member of the clipper implementation struct
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* that is used to determine if a clipper is valid. */
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clipper->lpVtbl = orig_vtbl;
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refcount = orig_vtbl->AddRef(clipper);
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todo_wine ok(!refcount, "Got refcount %u.\n", refcount);
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refcount = orig_vtbl->AddRef((IDirectDrawClipper *)(ULONG_PTR)0xdeadbeef);
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ok(!refcount, "Got refcount %u.\n", refcount);
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changed = 0x1234;
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hr = orig_vtbl->IsClipListChanged(clipper, &changed);
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todo_wine ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
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todo_wine ok(changed == 0x1234, "'changed' changed: %x.\n", changed);
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changed = 0x1234;
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hr = orig_vtbl->IsClipListChanged((IDirectDrawClipper *)(ULONG_PTR)0xdeadbeef, &changed);
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ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
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ok(changed == 0x1234, "'changed' changed: %x.\n", changed);
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/* Nope, we can't initialize our fake clipper. */
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hr = IDirectDraw2_QueryInterface(ddraw, &IID_IDirectDraw, (void **)&ddraw1);
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ok(SUCCEEDED(hr), "Failed to get ddraw1 interface, hr %#x.\n", hr);
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hr = orig_vtbl->Initialize(clipper, ddraw1, 0);
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todo_wine ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
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IDirectDraw_Release(ddraw1);
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HeapFree(GetProcessHeap(), 0, clipper);
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refcount = IDirectDraw2_Release(ddraw);
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ok(!refcount, "%u references left.\n", refcount);
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DestroyWindow(window);
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}
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START_TEST(ddraw2)
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{
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DDDEVICEIDENTIFIER identifier;
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@ -13668,4 +13825,5 @@ START_TEST(ddraw2)
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test_killfocus();
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test_gdi_surface();
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test_alphatest();
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test_clipper_refcount();
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}
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@ -15798,6 +15798,162 @@ static void test_alphatest(void)
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DestroyWindow(window);
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}
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static void test_clipper_refcount(void)
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{
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IDirectDrawSurface4 *surface;
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IDirectDrawClipper *clipper, *clipper2;
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DDSURFACEDESC2 surface_desc;
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IDirectDraw4 *ddraw;
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IDirectDraw *ddraw1;
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ULONG refcount;
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HWND window;
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HRESULT hr;
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BOOL changed;
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const IDirectDrawClipperVtbl *orig_vtbl;
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window = create_window();
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ddraw = create_ddraw();
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ok(!!ddraw, "Failed to create a ddraw object.\n");
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hr = IDirectDraw4_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
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ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
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memset(&surface_desc, 0, sizeof(surface_desc));
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surface_desc.dwSize = sizeof(surface_desc);
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surface_desc.dwFlags = DDSD_CAPS;
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surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
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hr = IDirectDraw4_CreateSurface(ddraw, &surface_desc, &surface, NULL);
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ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
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hr = IDirectDraw4_CreateClipper(ddraw, 0, &clipper, NULL);
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ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
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refcount = get_refcount((IUnknown *)clipper);
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ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
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/* Show that clipper validation doesn't somehow happen through per-clipper vtable
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* pointers. */
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hr = IDirectDraw4_CreateClipper(ddraw, 0, &clipper2, NULL);
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ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
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ok(clipper->lpVtbl == clipper2->lpVtbl, "Got different clipper vtables %p and %p.\n",
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clipper->lpVtbl, clipper2->lpVtbl);
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orig_vtbl = clipper->lpVtbl;
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IDirectDrawClipper_Release(clipper2);
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/* Surfaces hold a reference to clippers. No surprises there. */
|
||||
hr = IDirectDrawSurface4_SetClipper(surface, clipper);
|
||||
ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
|
||||
refcount = get_refcount((IUnknown *)clipper);
|
||||
ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
hr = IDirectDrawSurface4_GetClipper(surface, &clipper2);
|
||||
ok(SUCCEEDED(hr), "Failed to get clipper, hr %#x.\n", hr);
|
||||
ok(clipper == clipper2, "Got clipper %p, expected %p.\n", clipper2, clipper);
|
||||
refcount = IDirectDrawClipper_Release(clipper2);
|
||||
ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
hr = IDirectDrawSurface4_SetClipper(surface, NULL);
|
||||
ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
|
||||
refcount = get_refcount((IUnknown *)clipper);
|
||||
ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
hr = IDirectDrawSurface4_SetClipper(surface, clipper);
|
||||
ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
|
||||
refcount = get_refcount((IUnknown *)clipper);
|
||||
ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
refcount = IDirectDrawSurface4_Release(surface);
|
||||
ok(!refcount, "%u references left.\n", refcount);
|
||||
refcount = get_refcount((IUnknown *)clipper);
|
||||
ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
/* SetClipper with an invalid pointer crashes. */
|
||||
|
||||
/* Clipper methods work with a broken vtable, with the exception of Release. */
|
||||
clipper->lpVtbl = (void *)0xdeadbeef;
|
||||
refcount = orig_vtbl->AddRef(clipper);
|
||||
todo_wine ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
|
||||
refcount = orig_vtbl->Release(clipper);
|
||||
ok(!refcount, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
clipper->lpVtbl = orig_vtbl;
|
||||
refcount = orig_vtbl->Release(clipper);
|
||||
todo_wine ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
/* Fix the refcount difference because Wine did not increase the ref in the
|
||||
* AddRef call above. */
|
||||
if (refcount)
|
||||
{
|
||||
refcount = IDirectDrawClipper_Release(clipper);
|
||||
ok(!refcount, "Got unexpected refcount %u.\n", refcount);
|
||||
}
|
||||
|
||||
/* Steal the reference and see what happens - releasing the surface works fine.
|
||||
* The clipper is destroyed and not kept alive by a hidden refcount - trying to
|
||||
* release it after the GetClipper call is likely to crash, and certain to crash
|
||||
* if we allocate and zero as much heap memory as we can get. */
|
||||
hr = IDirectDraw4_CreateSurface(ddraw, &surface_desc, &surface, NULL);
|
||||
ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
|
||||
hr = IDirectDraw4_CreateClipper(ddraw, 0, &clipper, NULL);
|
||||
ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
|
||||
hr = IDirectDrawSurface4_SetClipper(surface, clipper);
|
||||
ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
|
||||
|
||||
IDirectDrawClipper_Release(clipper);
|
||||
IDirectDrawClipper_Release(clipper);
|
||||
|
||||
hr = IDirectDrawSurface4_GetClipper(surface, &clipper2);
|
||||
ok(SUCCEEDED(hr), "Failed to get clipper, hr %#x.\n", hr);
|
||||
ok(clipper == clipper2, "Got clipper %p, expected %p.\n", clipper2, clipper);
|
||||
|
||||
/* Show that invoking the Release method does not crash, but don't get the
|
||||
* vtable through the clipper pointer because it is no longer pointing to
|
||||
* valid memory. */
|
||||
refcount = orig_vtbl->Release(clipper);
|
||||
ok(!refcount, "%u references left.\n", refcount);
|
||||
|
||||
refcount = IDirectDrawSurface4_Release(surface);
|
||||
ok(!refcount, "%u references left.\n", refcount);
|
||||
|
||||
/* It looks like the protection against invalid thispointers is part of
|
||||
* the IDirectDrawClipper method implementation, not IDirectDrawSurface. */
|
||||
clipper = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 0x1000);
|
||||
ok(!!clipper, "failed to allocate memory\n");
|
||||
|
||||
/* Assigning the vtable to our fake clipper does NOT make a difference on
|
||||
* native - there is a different member of the clipper implementation struct
|
||||
* that is used to determine if a clipper is valid. */
|
||||
clipper->lpVtbl = orig_vtbl;
|
||||
|
||||
refcount = orig_vtbl->AddRef(clipper);
|
||||
todo_wine ok(!refcount, "Got refcount %u.\n", refcount);
|
||||
refcount = orig_vtbl->AddRef((IDirectDrawClipper *)(ULONG_PTR)0xdeadbeef);
|
||||
ok(!refcount, "Got refcount %u.\n", refcount);
|
||||
|
||||
changed = 0x1234;
|
||||
hr = orig_vtbl->IsClipListChanged(clipper, &changed);
|
||||
todo_wine ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
|
||||
todo_wine ok(changed == 0x1234, "'changed' changed: %x.\n", changed);
|
||||
|
||||
changed = 0x1234;
|
||||
hr = orig_vtbl->IsClipListChanged((IDirectDrawClipper *)(ULONG_PTR)0xdeadbeef, &changed);
|
||||
ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
|
||||
ok(changed == 0x1234, "'changed' changed: %x.\n", changed);
|
||||
|
||||
/* Nope, we can't initialize our fake clipper. */
|
||||
hr = IDirectDraw4_QueryInterface(ddraw, &IID_IDirectDraw, (void **)&ddraw1);
|
||||
ok(SUCCEEDED(hr), "Failed to get ddraw1 interface, hr %#x.\n", hr);
|
||||
|
||||
hr = orig_vtbl->Initialize(clipper, ddraw1, 0);
|
||||
todo_wine ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
|
||||
|
||||
IDirectDraw_Release(ddraw1);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, clipper);
|
||||
|
||||
refcount = IDirectDraw4_Release(ddraw);
|
||||
ok(!refcount, "%u references left.\n", refcount);
|
||||
DestroyWindow(window);
|
||||
}
|
||||
|
||||
START_TEST(ddraw4)
|
||||
{
|
||||
DDDEVICEIDENTIFIER identifier;
|
||||
|
@ -15929,4 +16085,5 @@ START_TEST(ddraw4)
|
|||
test_sysmem_draw();
|
||||
test_gdi_surface();
|
||||
test_alphatest();
|
||||
test_clipper_refcount();
|
||||
}
|
||||
|
|
|
@ -15599,6 +15599,162 @@ static void test_alphatest(void)
|
|||
DestroyWindow(window);
|
||||
}
|
||||
|
||||
static void test_clipper_refcount(void)
|
||||
{
|
||||
IDirectDrawSurface7 *surface;
|
||||
IDirectDrawClipper *clipper, *clipper2;
|
||||
DDSURFACEDESC2 surface_desc;
|
||||
IDirectDraw7 *ddraw;
|
||||
IDirectDraw *ddraw1;
|
||||
ULONG refcount;
|
||||
HWND window;
|
||||
HRESULT hr;
|
||||
BOOL changed;
|
||||
const IDirectDrawClipperVtbl *orig_vtbl;
|
||||
|
||||
window = create_window();
|
||||
ddraw = create_ddraw();
|
||||
ok(!!ddraw, "Failed to create a ddraw object.\n");
|
||||
hr = IDirectDraw7_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
|
||||
ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
|
||||
|
||||
memset(&surface_desc, 0, sizeof(surface_desc));
|
||||
surface_desc.dwSize = sizeof(surface_desc);
|
||||
surface_desc.dwFlags = DDSD_CAPS;
|
||||
surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
|
||||
hr = IDirectDraw7_CreateSurface(ddraw, &surface_desc, &surface, NULL);
|
||||
ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
|
||||
|
||||
hr = IDirectDraw7_CreateClipper(ddraw, 0, &clipper, NULL);
|
||||
ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
|
||||
refcount = get_refcount((IUnknown *)clipper);
|
||||
ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
/* Show that clipper validation doesn't somehow happen through per-clipper vtable
|
||||
* pointers. */
|
||||
hr = IDirectDraw7_CreateClipper(ddraw, 0, &clipper2, NULL);
|
||||
ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
|
||||
ok(clipper->lpVtbl == clipper2->lpVtbl, "Got different clipper vtables %p and %p.\n",
|
||||
clipper->lpVtbl, clipper2->lpVtbl);
|
||||
orig_vtbl = clipper->lpVtbl;
|
||||
IDirectDrawClipper_Release(clipper2);
|
||||
|
||||
/* Surfaces hold a reference to clippers. No surprises there. */
|
||||
hr = IDirectDrawSurface7_SetClipper(surface, clipper);
|
||||
ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
|
||||
refcount = get_refcount((IUnknown *)clipper);
|
||||
ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
hr = IDirectDrawSurface7_GetClipper(surface, &clipper2);
|
||||
ok(SUCCEEDED(hr), "Failed to get clipper, hr %#x.\n", hr);
|
||||
ok(clipper == clipper2, "Got clipper %p, expected %p.\n", clipper2, clipper);
|
||||
refcount = IDirectDrawClipper_Release(clipper2);
|
||||
ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
hr = IDirectDrawSurface7_SetClipper(surface, NULL);
|
||||
ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
|
||||
refcount = get_refcount((IUnknown *)clipper);
|
||||
ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
hr = IDirectDrawSurface7_SetClipper(surface, clipper);
|
||||
ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
|
||||
refcount = get_refcount((IUnknown *)clipper);
|
||||
ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
refcount = IDirectDrawSurface7_Release(surface);
|
||||
ok(!refcount, "%u references left.\n", refcount);
|
||||
refcount = get_refcount((IUnknown *)clipper);
|
||||
ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
/* SetClipper with an invalid pointer crashes. */
|
||||
|
||||
/* Clipper methods work with a broken vtable, with the exception of Release. */
|
||||
clipper->lpVtbl = (void *)0xdeadbeef;
|
||||
refcount = orig_vtbl->AddRef(clipper);
|
||||
todo_wine ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
|
||||
refcount = orig_vtbl->Release(clipper);
|
||||
ok(!refcount, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
clipper->lpVtbl = orig_vtbl;
|
||||
refcount = orig_vtbl->Release(clipper);
|
||||
todo_wine ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
|
||||
|
||||
/* Fix the refcount difference because Wine did not increase the ref in the
|
||||
* AddRef call above. */
|
||||
if (refcount)
|
||||
{
|
||||
refcount = IDirectDrawClipper_Release(clipper);
|
||||
ok(!refcount, "Got unexpected refcount %u.\n", refcount);
|
||||
}
|
||||
|
||||
/* Steal the reference and see what happens - releasing the surface works fine.
|
||||
* The clipper is destroyed and not kept alive by a hidden refcount - trying to
|
||||
* release it after the GetClipper call is likely to crash, and certain to crash
|
||||
* if we allocate and zero as much heap memory as we can get. */
|
||||
hr = IDirectDraw7_CreateSurface(ddraw, &surface_desc, &surface, NULL);
|
||||
ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
|
||||
hr = IDirectDraw7_CreateClipper(ddraw, 0, &clipper, NULL);
|
||||
ok(SUCCEEDED(hr), "Failed to create clipper, hr %#x.\n", hr);
|
||||
hr = IDirectDrawSurface7_SetClipper(surface, clipper);
|
||||
ok(SUCCEEDED(hr), "Failed to set clipper, hr %#x.\n", hr);
|
||||
|
||||
IDirectDrawClipper_Release(clipper);
|
||||
IDirectDrawClipper_Release(clipper);
|
||||
|
||||
hr = IDirectDrawSurface7_GetClipper(surface, &clipper2);
|
||||
ok(SUCCEEDED(hr), "Failed to get clipper, hr %#x.\n", hr);
|
||||
ok(clipper == clipper2, "Got clipper %p, expected %p.\n", clipper2, clipper);
|
||||
|
||||
/* Show that invoking the Release method does not crash, but don't get the
|
||||
* vtable through the clipper pointer because it is no longer pointing to
|
||||
* valid memory. */
|
||||
refcount = orig_vtbl->Release(clipper);
|
||||
ok(!refcount, "%u references left.\n", refcount);
|
||||
|
||||
refcount = IDirectDrawSurface7_Release(surface);
|
||||
ok(!refcount, "%u references left.\n", refcount);
|
||||
|
||||
/* It looks like the protection against invalid thispointers is part of
|
||||
* the IDirectDrawClipper method implementation, not IDirectDrawSurface. */
|
||||
clipper = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 0x1000);
|
||||
ok(!!clipper, "failed to allocate memory\n");
|
||||
|
||||
/* Assigning the vtable to our fake clipper does NOT make a difference on
|
||||
* native - there is a different member of the clipper implementation struct
|
||||
* that is used to determine if a clipper is valid. */
|
||||
clipper->lpVtbl = orig_vtbl;
|
||||
|
||||
refcount = orig_vtbl->AddRef(clipper);
|
||||
todo_wine ok(!refcount, "Got refcount %u.\n", refcount);
|
||||
refcount = orig_vtbl->AddRef((IDirectDrawClipper *)(ULONG_PTR)0xdeadbeef);
|
||||
ok(!refcount, "Got refcount %u.\n", refcount);
|
||||
|
||||
changed = 0x1234;
|
||||
hr = orig_vtbl->IsClipListChanged(clipper, &changed);
|
||||
todo_wine ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
|
||||
todo_wine ok(changed == 0x1234, "'changed' changed: %x.\n", changed);
|
||||
|
||||
changed = 0x1234;
|
||||
hr = orig_vtbl->IsClipListChanged((IDirectDrawClipper *)(ULONG_PTR)0xdeadbeef, &changed);
|
||||
ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
|
||||
ok(changed == 0x1234, "'changed' changed: %x.\n", changed);
|
||||
|
||||
/* Nope, we can't initialize our fake clipper. */
|
||||
hr = IDirectDraw7_QueryInterface(ddraw, &IID_IDirectDraw, (void **)&ddraw1);
|
||||
ok(SUCCEEDED(hr), "Failed to get ddraw1 interface, hr %#x.\n", hr);
|
||||
|
||||
hr = orig_vtbl->Initialize(clipper, ddraw1, 0);
|
||||
todo_wine ok(hr == DDERR_INVALIDPARAMS, "Got unexpected hr %#x.\n", hr);
|
||||
|
||||
IDirectDraw_Release(ddraw1);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, clipper);
|
||||
|
||||
refcount = IDirectDraw7_Release(ddraw);
|
||||
ok(!refcount, "%u references left.\n", refcount);
|
||||
DestroyWindow(window);
|
||||
}
|
||||
|
||||
START_TEST(ddraw7)
|
||||
{
|
||||
DDDEVICEIDENTIFIER2 identifier;
|
||||
|
@ -15742,4 +15898,5 @@ START_TEST(ddraw7)
|
|||
test_gdi_surface();
|
||||
test_multiply_transform();
|
||||
test_alphatest();
|
||||
test_clipper_refcount();
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue