dlls/ddraw/tests/refcount.c

   1 /*
   2  * Some unit tests for ddraw reference counting
   3  *
   4  * Copyright (C) 2006 Stefan Dösinger
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20 #define COBJMACROS
  21
  22 #include <assert.h>
  23 #include "wine/test.h"
  24 #include "ddraw.h"
  25 #include "d3d.h"
  26 #include "unknwn.h"
  27
  28 static HRESULT (WINAPI *pDirectDrawCreateEx)(LPGUID,LPVOID*,REFIID,LPUNKNOWN);
  29
  30 static void init_function_pointers(void)
  31 {
  32     HMODULE hmod = GetModuleHandleA("ddraw.dll");
  33     pDirectDrawCreateEx = (void*)GetProcAddress(hmod, "DirectDrawCreateEx");
  34 }
  35
  36 static ULONG getRefcount(IUnknown *iface)
  37 {
  38     IUnknown_AddRef(iface);
  39     return IUnknown_Release(iface);
  40 }
  41
  42 static void test_ddraw_objects(void)
  43 {
  44     HRESULT hr;
  45     ULONG ref;
  46     IDirectDraw7 *DDraw7;
  47     IDirectDraw4 *DDraw4;
  48     IDirectDraw2 *DDraw2;
  49     IDirectDraw  *DDraw1;
  50     IDirectDrawPalette *palette;
  51     IDirectDrawSurface7 *surface = NULL;
  52     IDirectDrawSurface *surface1;
  53     IDirectDrawSurface4 *surface4;
  54     PALETTEENTRY Table[256];
  55     DDSURFACEDESC2 ddsd;
  56
  57     hr = pDirectDrawCreateEx(NULL, (void **) &DDraw7, &IID_IDirectDraw7, NULL);
  58     ok(hr == DD_OK || hr==DDERR_NODIRECTDRAWSUPPORT, "DirectDrawCreateEx returned: %x\n", hr);
  59     if(!DDraw7)
  60     {
  61         trace("Couldn't create DDraw interface, skipping tests\n");
  62         return;
  63     }
  64
  65     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirectDraw4, (void **) &DDraw4);
  66     ok(hr == DD_OK, "IDirectDraw7_QueryInterface returned %08x\n", hr);
  67     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirectDraw2, (void **) &DDraw2);
  68     ok(hr == DD_OK, "IDirectDraw7_QueryInterface returned %08x\n", hr);
  69     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirectDraw, (void **) &DDraw1);
  70     ok(hr == DD_OK, "IDirectDraw7_QueryInterface returned %08x\n", hr);
  71
  72     ref = getRefcount( (IUnknown *) DDraw7);
  73     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
  74
  75     /* Fails without a cooplevel */
  76     hr = IDirectDraw7_CreatePalette(DDraw7, DDPCAPS_ALLOW256 | DDPCAPS_8BIT, Table, &palette, NULL);
  77     ok(hr == DDERR_NOCOOPERATIVELEVELSET, "CreatePalette returned %08x\n", hr);
  78
  79     /* This check is before the cooplevel check */
  80     hr = IDirectDraw7_CreatePalette(DDraw7, DDPCAPS_ALLOW256 | DDPCAPS_8BIT, Table, &palette, (void *) 0xdeadbeef);
  81     ok(hr == CLASS_E_NOAGGREGATION, "CreatePalette returned %08x\n", hr);
  82
  83     hr = IDirectDraw7_SetCooperativeLevel(DDraw7, 0, DDSCL_NORMAL);
  84     ok(hr == DD_OK, "SetCooperativeLevel failed with %08x\n", hr);
  85
  86     memset(&ddsd, 0, sizeof(ddsd));
  87     ddsd.dwSize = sizeof(ddsd);
  88     ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;
  89     ddsd.dwWidth = 64;
  90     ddsd.dwHeight = 64;
  91     ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
  92     U4(ddsd).ddpfPixelFormat.dwSize = sizeof(U4(ddsd).ddpfPixelFormat);
  93     U4(ddsd).ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 | DDPF_RGB;
  94     U1(U4(ddsd).ddpfPixelFormat).dwRGBBitCount = 8;
  95
  96     hr = IDirectDraw7_CreateSurface(DDraw7, &ddsd, &surface, NULL);
  97     if (!surface)
  98     {
  99         win_skip("Could not create surface : %08x\n", hr);
 100         IDirectDraw7_Release(DDraw7);
 101         return;
 102     }
 103     ok(hr == DD_OK, "CreateSurface failed with %08x\n", hr);
 104
 105     /* DDraw refcount increased by 1 */
 106     ref = getRefcount( (IUnknown *) DDraw7);
 107     ok(ref == 2, "Got refcount %d, expected 2\n", ref);
 108
 109     /* Surface refcount starts with 1 */
 110     ref = getRefcount( (IUnknown *) surface);
 111     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
 112
 113     hr = IDirectDraw7_CreatePalette(DDraw7, DDPCAPS_ALLOW256 | DDPCAPS_8BIT, Table, &palette, NULL);
 114     ok(hr == DD_OK, "CreatePalette returned %08x\n", hr);
 115
 116     /* DDraw refcount increased by 1 */
 117     ref = getRefcount( (IUnknown *) DDraw7);
 118     ok(ref == 3, "Got refcount %d, expected 3\n", ref);
 119
 120     /* Palette starts with 1 */
 121     ref = getRefcount( (IUnknown *) palette);
 122     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
 123
 124     /* Test attaching a palette to a surface */
 125     hr = IDirectDrawSurface7_SetPalette(surface, palette);
 126     ok(hr == DD_OK, "IDirectDrawSurface_SetPalette failed with %08x\n", hr);
 127
 128     /* Palette refcount increased, surface stays the same */
 129     ref = getRefcount( (IUnknown *) palette);
 130     ok(ref == 2, "Got refcount %d, expected 2\n", ref);
 131     ref = getRefcount( (IUnknown *) surface);
 132     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
 133
 134     IDirectDrawSurface7_Release(surface);
 135     /* Increased before - decrease now */
 136     ref = getRefcount( (IUnknown *) DDraw7);
 137     ok(ref == 2, "Got refcount %d, expected 2\n", ref);
 138
 139     /* Releasing the surface detaches the palette */
 140     ref = getRefcount( (IUnknown *) palette);
 141     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
 142
 143     IDirectDrawPalette_Release(palette);
 144
 145     /* Increased before - decrease now */
 146     ref = getRefcount( (IUnknown *) DDraw7);
 147     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
 148
 149     /* Not all interfaces are AddRefed when a palette is created */
 150     hr = IDirectDraw4_CreatePalette(DDraw4, DDPCAPS_ALLOW256 | DDPCAPS_8BIT, Table, &palette, NULL);
 151     ok(hr == DD_OK, "CreatePalette returned %08x\n", hr);
 152     ref = getRefcount( (IUnknown *) DDraw4);
 153     ok(ref == 2, "Got refcount %d, expected 2\n", ref);
 154     IDirectDrawPalette_Release(palette);
 155
 156     /* No addref here */
 157     hr = IDirectDraw2_CreatePalette(DDraw2, DDPCAPS_ALLOW256 | DDPCAPS_8BIT, Table, &palette, NULL);
 158     ok(hr == DD_OK, "CreatePalette returned %08x\n", hr);
 159     ref = getRefcount( (IUnknown *) DDraw2);
 160     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
 161     IDirectDrawPalette_Release(palette);
 162
 163     /* No addref here */
 164     hr = IDirectDraw_CreatePalette(DDraw1, DDPCAPS_ALLOW256 | DDPCAPS_8BIT, Table, &palette, NULL);
 165     ok(hr == DD_OK, "CreatePalette returned %08x\n", hr);
 166     ref = getRefcount( (IUnknown *) DDraw1);
 167     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
 168     IDirectDrawPalette_Release(palette);
 169
 170     /* Similar for surfaces */
 171     hr = IDirectDraw4_CreateSurface(DDraw4, &ddsd, &surface4, NULL);
 172     ok(hr == DD_OK, "CreateSurface returned %08x\n", hr);
 173     ref = getRefcount( (IUnknown *) DDraw4);
 174     ok(ref == 2, "Got refcount %d, expected 2\n", ref);
 175     IDirectDrawSurface4_Release(surface4);
 176
 177     ddsd.dwSize = sizeof(DDSURFACEDESC);
 178     hr = IDirectDraw2_CreateSurface(DDraw2, (DDSURFACEDESC *) &ddsd, &surface1, NULL);
 179     ok(hr == DD_OK, "CreateSurface returned %08x\n", hr);
 180     ref = getRefcount( (IUnknown *) DDraw2);
 181     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
 182     IDirectDrawSurface_Release(surface1);
 183
 184     hr = IDirectDraw_CreateSurface(DDraw1, (DDSURFACEDESC *) &ddsd, &surface1, NULL);
 185     ok(hr == DD_OK, "CreateSurface returned %08x\n", hr);
 186     ref = getRefcount( (IUnknown *) DDraw1);
 187     ok(ref == 1, "Got refcount %d, expected 1\n", ref);
 188     IDirectDrawSurface_Release(surface1);
 189
 190     IDirectDraw7_Release(DDraw7);
 191     IDirectDraw4_Release(DDraw4);
 192     IDirectDraw2_Release(DDraw2);
 193     IDirectDraw_Release(DDraw1);
 194 }
 195
 196 static void test_iface_refcnt(void)
 197 {
 198     HRESULT hr;
 199     IDirectDraw  *DDraw1;
 200     IDirectDraw2 *DDraw2;
 201     IDirectDraw4 *DDraw4;
 202     IDirectDraw7 *DDraw7;
 203     IDirect3D7   *D3D7;
 204     IDirect3D3   *D3D3;
 205     IDirect3D2   *D3D2;
 206     IDirect3D    *D3D1;
 207     long ref;
 208
 209     hr = pDirectDrawCreateEx(NULL, (void **) &DDraw7, &IID_IDirectDraw7, NULL);
 210     ok(hr == DD_OK || hr==DDERR_NODIRECTDRAWSUPPORT, "DirectDrawCreateEx returned: %x\n", hr);
 211     if(!DDraw7)
 212     {
 213         trace("Couldn't create DDraw interface, skipping tests\n");
 214         return;
 215     }
 216
 217     ref = getRefcount( (IUnknown *) DDraw7);
 218     ok(ref == 1, "Initial IDirectDraw7 reference count is %ld\n", ref);
 219
 220     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirectDraw4, (void **) &DDraw4);
 221     ok(hr == DD_OK, "IDirectDraw7_QueryInterface returned %08x\n", hr);
 222     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirectDraw2, (void **) &DDraw2);
 223     ok(hr == DD_OK, "IDirectDraw7_QueryInterf&ace returned %08x\n", hr);
 224     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirectDraw, (void **) &DDraw1);
 225     ok(hr == DD_OK, "IDirectDraw7_QueryInterface returned %08x\n", hr);
 226
 227     /* All interfaces now have refcount 1! */
 228     ref = getRefcount( (IUnknown *) DDraw7);
 229     ok(ref == 1, "IDirectDraw7 reference count is %ld\n", ref);
 230     ref = getRefcount( (IUnknown *) DDraw7);
 231     ok(ref == 1, "IDirectDraw7 reference count is %ld\n", ref);
 232     ref = getRefcount( (IUnknown *) DDraw4);
 233     ok(ref == 1, "IDirectDraw4 reference count is %ld\n", ref);
 234     ref = getRefcount( (IUnknown *) DDraw2);
 235     ok(ref == 1, "IDirectDraw2 reference count is %ld\n", ref);
 236     ref = getRefcount( (IUnknown *) DDraw1);
 237     ok(ref == 1, "IDirectDraw reference count is %ld\n", ref);
 238
 239     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirect3D7, (void **) &D3D7);
 240     ok(hr == DD_OK || hr == E_NOINTERFACE, /* win64 */
 241        "IDirectDraw7_QueryInterface returned %08x\n", hr);
 242     if (FAILED(hr))
 243     {
 244         IDirectDraw7_Release(DDraw7);
 245         IDirectDraw4_Release(DDraw4);
 246         IDirectDraw2_Release(DDraw2);
 247         IDirectDraw_Release(DDraw1);
 248         skip( "no IDirect3D7 support\n" );
 249         return;
 250     }
 251
 252     /* Apparently IDirectDrawX and IDirect3DX are linked together */
 253     ref = getRefcount( (IUnknown *) D3D7);
 254     ok(ref == 2, "IDirect3D7 reference count is %ld\n", ref);
 255     ref = getRefcount( (IUnknown *) DDraw7);
 256     ok(ref == 2, "IDirectDraw7 reference count is %ld\n", ref);
 257
 258     IDirectDraw7_AddRef(DDraw7);
 259     ref = getRefcount( (IUnknown *) D3D7);
 260     ok(ref == 3, "IDirect3D7 reference count is %ld\n", ref);
 261     ref = getRefcount( (IUnknown *) DDraw7);
 262     ok(ref == 3, "IDirectDraw7 reference count is %ld\n", ref);
 263
 264     IDirect3D7_Release(D3D7);
 265     ref = getRefcount( (IUnknown *) D3D7);
 266     ok(ref == 2, "IDirect3D7 reference count is %ld\n", ref);
 267     ref = getRefcount( (IUnknown *) DDraw7);
 268     ok(ref == 2, "IDirectDraw7 reference count is %ld\n", ref);
 269
 270     /* Can't get older d3d interfaces. WHY????? */
 271     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirect3D3, (void **) &D3D3);
 272     todo_wine ok(hr == E_NOINTERFACE, "IDirectDraw7_QueryInterface returned %08x\n", hr);
 273     if(hr == DD_OK && D3D3) IDirect3D3_Release(D3D3);
 274
 275     hr = IDirectDraw4_QueryInterface(DDraw4, &IID_IDirect3D3, (void **) &D3D3);
 276     todo_wine ok(hr == E_NOINTERFACE, "IDirectDraw4_QueryInterface returned %08x\n", hr);
 277     if(hr == DD_OK && D3D3) IDirect3D3_Release(D3D3);
 278
 279     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirect3D2, (void **) &D3D2);
 280     todo_wine ok(hr == E_NOINTERFACE, "IDirectDraw7_QueryInterface returned %08x\n", hr);
 281     if(hr == DD_OK && D3D2) IDirect3D2_Release(D3D2);
 282
 283     hr = IDirectDraw2_QueryInterface(DDraw2, &IID_IDirect3D2, (void **) &D3D2);
 284     todo_wine ok(hr == E_NOINTERFACE, "IDirectDraw2_QueryInterface returned %08x\n", hr);
 285     if(hr == DD_OK && D3D2) IDirect3D2_Release(D3D2);
 286
 287     hr = IDirectDraw7_QueryInterface(DDraw7, &IID_IDirect3D, (void **) &D3D1);
 288     todo_wine ok(hr == E_NOINTERFACE, "IDirectDraw7_QueryInterface returned %08x\n", hr);
 289     if(hr == DD_OK && D3D1) IDirect3D_Release(D3D1);
 290
 291     hr = IDirectDraw_QueryInterface(DDraw1, &IID_IDirect3D, (void **) &D3D1);
 292     todo_wine ok(hr == E_NOINTERFACE, "IDirectDraw_QueryInterface returned %08x\n", hr);
 293     if(hr == DD_OK && D3D1) IDirect3D_Release(D3D1);
 294
 295     hr = IDirect3D7_QueryInterface(D3D7, &IID_IDirect3D, (void **) &D3D1);
 296     todo_wine ok(hr == E_NOINTERFACE, "IDirect3D7_QueryInterface returned %08x\n", hr);
 297     if(hr == DD_OK && D3D1) IDirect3D_Release(D3D1);
 298
 299     /* Try an AddRef, it only affects the AddRefed interface */
 300     IDirectDraw4_AddRef(DDraw4);
 301     ref = getRefcount( (IUnknown *) DDraw7);
 302     ok(ref == 2, "IDirectDraw7 reference count is %ld\n", ref); /* <-- From the d3d query */
 303     ref = getRefcount( (IUnknown *) DDraw4);
 304     ok(ref == 2, "IDirectDraw4 reference count is %ld\n", ref); /* <-- The AddRef call */
 305     ref = getRefcount( (IUnknown *) DDraw2);
 306     ok(ref == 1, "IDirectDraw2 reference count is %ld\n", ref);
 307     ref = getRefcount( (IUnknown *) DDraw1);
 308     ok(ref == 1, "IDirectDraw reference count is %ld\n", ref);
 309     ref = getRefcount( (IUnknown *) D3D7);
 310     ok(ref == 2, "IDirect3D7 reference count is %ld\n", ref); /* <-- From the d3d query */
 311     IDirectDraw4_Release(DDraw4);
 312
 313     /* Make sure that they are one object, not different ones */
 314     hr = IDirectDraw4_SetCooperativeLevel(DDraw4, GetDesktopWindow(), DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
 315     ok(hr == DD_OK, "IDirectDraw4::SetCooperativeLevel returned %08x\n", hr);
 316     /* After an window has been set, DDSCL_SETFOCUSWINDOW should return DDERR_HWNDALREADYSET, see the mode test */
 317     hr = IDirectDraw7_SetCooperativeLevel(DDraw7, NULL, DDSCL_SETFOCUSWINDOW);
 318     ok(hr == DDERR_HWNDALREADYSET, "IDirectDraw7::SetCooperativeLevel returned %08x\n", hr);
 319
 320     /* All done, release all interfaces */
 321     IDirectDraw7_Release(DDraw7);
 322     IDirectDraw4_Release(DDraw4);
 323     IDirectDraw2_Release(DDraw2);
 324     IDirectDraw_Release(DDraw1);
 325     IDirect3D7_Release(D3D7);
 326 }
 327
 328 static void test_d3d_ifaces(void)
 329 {
 330     IDirectDraw *DDraw1;
 331     IDirectDraw2 *DDraw2;
 332     IDirectDraw4 *DDraw4;
 333     IDirect3D *D3D1;
 334     IDirect3D2 *D3D2;
 335     IDirect3D3 *D3D3;
 336     IDirect3D7 *D3D7;
 337     HRESULT hr;
 338     long ref;
 339
 340     hr = DirectDrawCreate(NULL, &DDraw1, NULL);
 341     ok(hr == DD_OK || hr==DDERR_NODIRECTDRAWSUPPORT, "DirectDrawCreateEx returned: %x\n", hr);
 342     if(!DDraw1)
 343     {
 344         trace("DirectDrawCreate failed with %08x\n", hr);
 345         return;
 346     }
 347
 348     hr = IDirectDraw_QueryInterface(DDraw1, &IID_IDirectDraw2, (void **) &DDraw2);
 349     ok(hr == DD_OK, "IDirectDraw_QueryInterface returned %08x\n", hr);
 350     hr = IDirectDraw_QueryInterface(DDraw1, &IID_IDirectDraw4, (void **) &DDraw4);
 351     ok(hr == DD_OK, "IDirectDraw_QueryInterface returned %08x\n", hr);
 352
 353     ref = getRefcount( (IUnknown *) DDraw4);
 354     ok(ref == 1, "IDirectDraw4 reference count is %ld\n", ref);
 355     ref = getRefcount( (IUnknown *) DDraw2);
 356     ok(ref == 1, "IDirectDraw2 reference count is %ld\n", ref);
 357     ref = getRefcount( (IUnknown *) DDraw1);
 358     ok(ref == 1, "IDirectDraw reference count is %ld\n", ref);
 359
 360     hr = IDirectDraw_QueryInterface(DDraw1, &IID_IDirect3D, (void **) &D3D1);
 361     if (hr == E_NOINTERFACE)  /* win64 */
 362     {
 363         IDirectDraw4_Release(DDraw4);
 364         IDirectDraw2_Release(DDraw2);
 365         IDirectDraw_Release(DDraw1);
 366         skip( "no IDirect3D support\n" );
 367         return;
 368     }
 369     ok(hr == DD_OK, "IDirectDraw_QueryInterface returned %08x\n", hr);
 370     ref = getRefcount( (IUnknown *) DDraw4);
 371     ok(ref == 1, "IDirectDraw4 reference count is %ld\n", ref);
 372     ref = getRefcount( (IUnknown *) DDraw2);
 373     ok(ref == 1, "IDirectDraw2 reference count is %ld\n", ref);
 374     ref = getRefcount( (IUnknown *) DDraw1);
 375     ok(ref == 2, "IDirectDraw reference count is %ld\n", ref);
 376     IDirect3D_Release(D3D1);
 377
 378     hr = IDirectDraw2_QueryInterface(DDraw2, &IID_IDirect3D2, (void **) &D3D2);
 379     ok(hr == DD_OK, "IDirectDraw_QueryInterface returned %08x\n", hr);
 380     ref = getRefcount( (IUnknown *) DDraw4);
 381     ok(ref == 1, "IDirectDraw4 reference count is %ld\n", ref);
 382     ref = getRefcount( (IUnknown *) DDraw2);
 383     ok(ref == 1, "IDirectDraw2 reference count is %ld\n", ref);
 384     ref = getRefcount( (IUnknown *) DDraw1);
 385     ok(ref == 2, "IDirectDraw reference count is %ld\n", ref);
 386     IDirect3D2_Release(D3D2);
 387
 388     hr = IDirectDraw4_QueryInterface(DDraw4, &IID_IDirect3D3, (void **) &D3D3);
 389     ok(hr == DD_OK, "IDirectDraw_QueryInterface returned %08x\n", hr);
 390     ref = getRefcount( (IUnknown *) DDraw4);
 391     ok(ref == 1, "IDirectDraw4 reference count is %ld\n", ref);
 392     ref = getRefcount( (IUnknown *) DDraw2);
 393     ok(ref == 1, "IDirectDraw2 reference count is %ld\n", ref);
 394     ref = getRefcount( (IUnknown *) DDraw1);
 395     ok(ref == 2, "IDirectDraw reference count is %ld\n", ref);
 396     IDirect3D3_Release(D3D3);
 397
 398     /* Try to AddRef the D3D3 interface that has been released already */
 399     IDirect3D3_AddRef(D3D3);
 400     ref = getRefcount( (IUnknown *) DDraw1);
 401     ok(ref == 2, "IDirectDraw reference count is %ld\n", ref);
 402     ref = getRefcount( (IUnknown *) D3D3);
 403     ok(ref == 2, "IDirect3D3 reference count is %ld\n", ref);
 404     /* The newer interfaces remain untouched */
 405     ref = getRefcount( (IUnknown *) DDraw4);
 406     ok(ref == 1, "IDirectDraw4 reference count is %ld\n", ref);
 407     ref = getRefcount( (IUnknown *) DDraw2);
 408     ok(ref == 1, "IDirectDraw2 reference count is %ld\n", ref);
 409     IDirect3D3_Release(D3D3);
 410     ref = getRefcount( (IUnknown *) DDraw1);
 411     ok(ref == 1, "IDirectDraw reference count is %ld\n", ref);
 412     ref = getRefcount( (IUnknown *) DDraw1);
 413     ok(ref == 1, "IDirectDraw reference count is %ld\n", ref);
 414
 415     /* It is possible to query any IDirect3D interfaces from any IDirectDraw interface,
 416      * Except IDirect3D7, it can only be returned by IDirectDraw7(which can't return older ifaces)
 417      */
 418     hr = IDirectDraw_QueryInterface(DDraw2, &IID_IDirect3D, (void **) &D3D1);
 419     ok(hr == DD_OK, "IDirectDraw2_QueryInterface returned %08x\n", hr);
 420     IDirect3D_Release(D3D1);
 421     hr = IDirectDraw4_QueryInterface(DDraw4, &IID_IDirect3D, (void **) &D3D1);
 422     ok(hr == DD_OK, "IDirectDraw4_QueryInterface returned %08x\n", hr);
 423     IDirect3D_Release(D3D1);
 424
 425     hr = IDirectDraw_QueryInterface(DDraw1, &IID_IDirect3D2, (void **) &D3D2);
 426     ok(hr == DD_OK, "IDirectDraw_QueryInterface returned %08x\n", hr);
 427     IDirect3D_Release(D3D2);
 428     hr = IDirectDraw4_QueryInterface(DDraw4, &IID_IDirect3D2, (void **) &D3D2);
 429     ok(hr == DD_OK, "IDirectDraw4_QueryInterface returned %08x\n", hr);
 430     IDirect3D_Release(D3D2);
 431
 432     hr = IDirectDraw_QueryInterface(DDraw1, &IID_IDirect3D3, (void **) &D3D3);
 433     ok(hr == DD_OK, "IDirectDraw_QueryInterface returned %08x\n", hr);
 434     IDirect3D_Release(D3D3);
 435     hr = IDirectDraw2_QueryInterface(DDraw2, &IID_IDirect3D3, (void **) &D3D3);
 436     ok(hr == DD_OK, "IDirectDraw2_QueryInterface returned %08x\n", hr);
 437     IDirect3D_Release(D3D3);
 438
 439     /* This does NOT work */
 440     hr = IDirectDraw_QueryInterface(DDraw1, &IID_IDirect3D7, (void **) &D3D7);
 441     todo_wine ok(hr == E_NOINTERFACE, "IDirectDraw_QueryInterface returned %08x\n", hr);
 442     if(D3D7) IDirect3D_Release(D3D7);
 443     hr = IDirectDraw2_QueryInterface(DDraw2, &IID_IDirect3D7, (void **) &D3D7);
 444     todo_wine ok(hr == E_NOINTERFACE, "IDirectDraw2_QueryInterface returned %08x\n", hr);
 445     if(D3D7) IDirect3D_Release(D3D7);
 446     hr = IDirectDraw4_QueryInterface(DDraw4, &IID_IDirect3D7, (void **) &D3D7);
 447     todo_wine ok(hr == E_NOINTERFACE, "IDirectDraw4_QueryInterface returned %08x\n", hr);
 448     if(D3D7) IDirect3D_Release(D3D7);
 449
 450     /* Release the interfaces */
 451     IDirectDraw4_Release(DDraw4);
 452     IDirectDraw2_Release(DDraw2);
 453     IDirectDraw_Release(DDraw1);
 454 }
 455
 456 START_TEST(refcount)
 457 {
 458     init_function_pointers();
 459     if(!pDirectDrawCreateEx)
 460     {
 461         win_skip("function DirectDrawCreateEx not available\n");
 462         return;
 463     }
 464     test_ddraw_objects();
 465     test_iface_refcnt();
 466     test_d3d_ifaces();
 467 }