Commit 7a354177 authored by Henri Verbeet's avatar Henri Verbeet Committed by Alexandre Julliard

wined3d: Don't unregister a window unless the window proc is what we expect it to be.

In particular, if we'd unregister a window when the application replaced our window proc, but still forwards to us, we'd create a loop when we register the same window again later.
parent 9a1fddb0
......@@ -3263,9 +3263,9 @@ static LRESULT CALLBACK test_proc(HWND hwnd, UINT message, WPARAM wparam, LPARAM
static void test_wndproc(void)
{
LONG_PTR proc, ddraw_proc;
IDirectDraw7 *ddraw7;
WNDCLASSA wc = {0};
LONG_PTR proc;
HWND window;
HRESULT hr;
ULONG ref;
......@@ -3356,7 +3356,87 @@ static void test_wndproc(void)
(LONG_PTR)test_proc, proc);
/* The original window proc is only restored by ddraw if the current
* window proc matches the one ddraw set. */
* window proc matches the one ddraw set. This also affects switching
* from DDSCL_NORMAL to DDSCL_EXCLUSIVE. */
hr = pDirectDrawCreateEx(NULL, (void **)&ddraw7, &IID_IDirectDraw7, NULL);
if (FAILED(hr))
{
skip("Failed to create IDirectDraw7 object (%#x), skipping tests.\n", hr);
return;
}
proc = GetWindowLongPtrA(window, GWLP_WNDPROC);
ok(proc == (LONG_PTR)test_proc, "Expected wndproc %#lx, got %#lx.\n",
(LONG_PTR)test_proc, proc);
hr = IDirectDraw7_SetCooperativeLevel(ddraw7, window, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
ok(SUCCEEDED(hr), "SetCooperativeLevel failed, hr %#x.\n", hr);
if (FAILED(hr))
{
IDirectDraw7_Release(ddraw7);
goto done;
}
proc = GetWindowLongPtrA(window, GWLP_WNDPROC);
ok(proc != (LONG_PTR)test_proc, "Expected wndproc != %#lx, got %#lx.\n",
(LONG_PTR)test_proc, proc);
ddraw_proc = proc;
hr = IDirectDraw7_SetCooperativeLevel(ddraw7, window, DDSCL_NORMAL);
ok(SUCCEEDED(hr), "SetCooperativeLevel failed, hr %#x.\n", hr);
if (FAILED(hr))
{
IDirectDraw7_Release(ddraw7);
goto done;
}
proc = GetWindowLongPtrA(window, GWLP_WNDPROC);
ok(proc == (LONG_PTR)test_proc, "Expected wndproc %#lx, got %#lx.\n",
(LONG_PTR)test_proc, proc);
hr = IDirectDraw7_SetCooperativeLevel(ddraw7, window, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
ok(SUCCEEDED(hr), "SetCooperativeLevel failed, hr %#x.\n", hr);
if (FAILED(hr))
{
IDirectDraw7_Release(ddraw7);
goto done;
}
proc = SetWindowLongPtrA(window, GWLP_WNDPROC, (LONG_PTR)DefWindowProcA);
ok(proc != (LONG_PTR)test_proc, "Expected wndproc != %#lx, got %#lx.\n",
(LONG_PTR)test_proc, proc);
hr = IDirectDraw7_SetCooperativeLevel(ddraw7, window, DDSCL_NORMAL);
ok(SUCCEEDED(hr), "SetCooperativeLevel failed, hr %#x.\n", hr);
if (FAILED(hr))
{
IDirectDraw7_Release(ddraw7);
goto done;
}
proc = GetWindowLongPtrA(window, GWLP_WNDPROC);
ok(proc == (LONG_PTR)DefWindowProcA, "Expected wndproc %#lx, got %#lx.\n",
(LONG_PTR)DefWindowProcA, proc);
hr = IDirectDraw7_SetCooperativeLevel(ddraw7, window, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
ok(SUCCEEDED(hr), "SetCooperativeLevel failed, hr %#x.\n", hr);
if (FAILED(hr))
{
IDirectDraw7_Release(ddraw7);
goto done;
}
proc = SetWindowLongPtrA(window, GWLP_WNDPROC, (LONG_PTR)ddraw_proc);
ok(proc == (LONG_PTR)DefWindowProcA, "Expected wndproc %#lx, got %#lx.\n",
(LONG_PTR)DefWindowProcA, proc);
ref = IDirectDraw7_Release(ddraw7);
ok(ref == 0, "The ddraw object was not properly freed: refcount %u.\n", ref);
proc = GetWindowLongPtrA(window, GWLP_WNDPROC);
ok(proc == (LONG_PTR)test_proc, "Expected wndproc %#lx, got %#lx.\n",
(LONG_PTR)test_proc, proc);
hr = pDirectDrawCreateEx(NULL, (void **)&ddraw7, &IID_IDirectDraw7, NULL);
if (FAILED(hr))
{
......
......@@ -467,35 +467,49 @@ BOOL wined3d_register_window(HWND window, IWineD3DDeviceImpl *device)
void wined3d_unregister_window(HWND window)
{
unsigned int i;
struct wined3d_wndproc *entry, *last;
LONG_PTR proc;
wined3d_mutex_lock();
for (i = 0; i < wndproc_table.count; ++i)
if (!(entry = wined3d_find_wndproc(window)))
{
if (wndproc_table.entries[i].window == window)
{
struct wined3d_wndproc *entry = &wndproc_table.entries[i];
struct wined3d_wndproc *last = &wndproc_table.entries[--wndproc_table.count];
wined3d_mutex_unlock();
ERR("Window %p is not registered with wined3d.\n", window);
return;
}
if (entry->unicode)
{
if (GetWindowLongPtrW(window, GWLP_WNDPROC) == (LONG_PTR)wined3d_wndproc)
SetWindowLongPtrW(window, GWLP_WNDPROC, (LONG_PTR)entry->proc);
}
else
{
if (GetWindowLongPtrA(window, GWLP_WNDPROC) == (LONG_PTR)wined3d_wndproc)
SetWindowLongPtrA(window, GWLP_WNDPROC, (LONG_PTR)entry->proc);
}
if (entry != last) *entry = *last;
if (entry->unicode)
{
proc = GetWindowLongPtrW(window, GWLP_WNDPROC);
if (proc != (LONG_PTR)wined3d_wndproc)
{
wined3d_mutex_unlock();
WARN("Not unregistering window %p, window proc %#lx doesn't match wined3d window proc %p.\n",
window, proc, wined3d_wndproc);
return;
}
SetWindowLongPtrW(window, GWLP_WNDPROC, (LONG_PTR)entry->proc);
}
else
{
proc = GetWindowLongPtrA(window, GWLP_WNDPROC);
if (proc != (LONG_PTR)wined3d_wndproc)
{
wined3d_mutex_unlock();
WARN("Not unregistering window %p, window proc %#lx doesn't match wined3d window proc %p.\n",
window, proc, wined3d_wndproc);
return;
}
SetWindowLongPtrA(window, GWLP_WNDPROC, (LONG_PTR)entry->proc);
}
wined3d_mutex_unlock();
ERR("Window %p is not registered with wined3d.\n", window);
last = &wndproc_table.entries[--wndproc_table.count];
if (entry != last) *entry = *last;
wined3d_mutex_unlock();
}
/* At process attach */
......
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