dlls/wined3d/swapchain.c

   1 /*
   2  *IDirect3DSwapChain9 implementation
   3  *
   4  *Copyright 2002-2003 Jason Edmeades
   5  *Copyright 2002-2003 Raphael Junqueira
   6  *Copyright 2005 Oliver Stieber
   7  *
   8  *This library is free software; you can redistribute it and/or
   9  *modify it under the terms of the GNU Lesser General Public
  10  *License as published by the Free Software Foundation; either
  11  *version 2.1 of the License, or (at your option) any later version.
  12  *
  13  *This library is distributed in the hope that it will be useful,
  14  *but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *Lesser General Public License for more details.
  17  *
  18  *You should have received a copy of the GNU Lesser General Public
  19  *License along with this library; if not, write to the Free Software
  20  *Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wined3d_private.h"
  25
  26
  27 /* TODO: move to shared header (or context manager )*/
  28 /* x11drv GDI escapes */
  29 #define X11DRV_ESCAPE 6789
  30 enum x11drv_escape_codes
  31 {
  32     X11DRV_GET_DISPLAY,   /* get X11 display for a DC */
  33     X11DRV_GET_DRAWABLE,  /* get current drawable for a DC */
  34     X11DRV_GET_FONT,      /* get current X font for a DC */
  35 };
  36
  37 /* retrieve the X display to use on a given DC */
  38 static inline Display *get_display( HDC hdc )
  39 {
  40     Display *display;
  41     enum x11drv_escape_codes escape = X11DRV_GET_DISPLAY;
  42
  43     if (!ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPCSTR)&escape,
  44                     sizeof(display), (LPSTR)&display )) display = NULL;
  45     return display;
  46 }
  47
  48 /*TODO: some of the additional parameters may be required to
  49     set the gamma ramp (for some weird reason microsoft have left swap gammaramp in device
  50     but it operates on a swapchain, it may be a good idea to move it to IWineD3DSwapChain for IWineD3D)*/
  51
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  54 WINE_DECLARE_DEBUG_CHANNEL(fps);
  55
  56 #define GLINFO_LOCATION This->wineD3DDevice->adapter->gl_info
  57
  58 /* IDirect3DSwapChain IUnknown parts follow: */
  59 static ULONG WINAPI IWineD3DSwapChainImpl_AddRef(IWineD3DSwapChain *iface) {
  60     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  61     DWORD refCount = InterlockedIncrement(&This->ref);
  62     TRACE("(%p) : AddRef increasing from %d\n", This, refCount - 1);
  63     return refCount;
  64 }
  65
  66 static HRESULT WINAPI IWineD3DSwapChainImpl_QueryInterface(IWineD3DSwapChain *iface, REFIID riid, LPVOID *ppobj)
  67 {
  68     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  69     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppobj);
  70     if (IsEqualGUID(riid, &IID_IUnknown)
  71         || IsEqualGUID(riid, &IID_IWineD3DBase)
  72         || IsEqualGUID(riid, &IID_IWineD3DSwapChain)){
  73         IWineD3DSwapChainImpl_AddRef(iface);
  74         if(ppobj == NULL){
  75             ERR("Query interface called but now data allocated\n");
  76             return E_NOINTERFACE;
  77         }
  78         *ppobj = This;
  79         return WINED3D_OK;
  80     }
  81     *ppobj = NULL;
  82     return E_NOINTERFACE;
  83 }
  84
  85
  86 static ULONG WINAPI IWineD3DSwapChainImpl_Release(IWineD3DSwapChain *iface) {
  87     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  88     DWORD refCount;
  89     refCount = InterlockedDecrement(&This->ref);
  90     TRACE("(%p) : ReleaseRef to %d\n", This, refCount);
  91     if (refCount == 0) {
  92         IWineD3DSwapChain_Destroy(iface, D3DCB_DefaultDestroySurface);
  93     }
  94     return refCount;
  95 }
  96
  97 static HRESULT WINAPI IWineD3DSwapChainImpl_GetParent(IWineD3DSwapChain *iface, IUnknown ** ppParent){
  98     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  99     *ppParent = This->parent;
 100     IUnknown_AddRef(*ppParent);
 101     TRACE("(%p) returning %p\n", This , *ppParent);
 102     return WINED3D_OK;
 103 }
 104
 105 /*IWineD3DSwapChain parts follow: */
 106 static void WINAPI IWineD3DSwapChainImpl_Destroy(IWineD3DSwapChain *iface, D3DCB_DESTROYSURFACEFN D3DCB_DestroyRenderTarget) {
 107     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 108     WINED3DDISPLAYMODE mode;
 109     int i;
 110
 111     /* release the ref to the front and back buffer parents */
 112     if(This->frontBuffer) {
 113         IWineD3DSurface_SetContainer(This->frontBuffer, 0);
 114         if(D3DCB_DestroyRenderTarget(This->frontBuffer) > 0) {
 115             FIXME("(%p) Something's still holding the front buffer\n",This);
 116         }
 117     }
 118
 119     if(This->backBuffer) {
 120         int i;
 121         for(i = 0; i < This->presentParms.BackBufferCount; i++) {
 122             IWineD3DSurface_SetContainer(This->backBuffer[i], 0);
 123             if(D3DCB_DestroyRenderTarget(This->backBuffer[i]) > 0) {
 124                 FIXME("(%p) Something's still holding the back buffer\n",This);
 125             }
 126         }
 127     }
 128
 129     /* Restore the screen resolution if we rendered in fullscreen
 130      * This will restore the screen resolution to what it was before creating the swapchain. In case of d3d8 and d3d9
 131      * this will be the original desktop resolution. In case of d3d7 this will be a NOP because ddraw sets the resolution
 132      * before starting up Direct3D, thus orig_width and orig_height will be equal to the modes in the presentation params
 133      */
 134     if(This->presentParms.Windowed == FALSE) {
 135         mode.Width = This->orig_width;
 136         mode.Height = This->orig_height;
 137         mode.RefreshRate = 0;
 138         mode.Format = This->orig_fmt;
 139         IWineD3DDevice_SetDisplayMode((IWineD3DDevice *) This->wineD3DDevice, 0, &mode);
 140     }
 141     for(i = 0; i < This->num_contexts; i++) {
 142         DestroyContext(This->wineD3DDevice, This->context[i]);
 143     }
 144     HeapFree(GetProcessHeap(), 0, This->context);
 145
 146     HeapFree(GetProcessHeap(), 0, This);
 147 }
 148
 149 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 150     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 151     unsigned int sync;
 152     int retval;
 153
 154     ENTER_GL();
 155
 156     /* Does glXSwapBuffers need a glx context? I don't think so. Blt will activate its own context if needed */
 157
 158     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 159     if(This->wineD3DDevice->bCursorVisible && This->wineD3DDevice->cursorTexture) {
 160         IWineD3DSurfaceImpl cursor;
 161         RECT destRect = {This->wineD3DDevice->xScreenSpace - This->wineD3DDevice->xHotSpot,
 162                          This->wineD3DDevice->yScreenSpace - This->wineD3DDevice->yHotSpot,
 163                          This->wineD3DDevice->xScreenSpace + This->wineD3DDevice->cursorWidth - This->wineD3DDevice->xHotSpot,
 164                          This->wineD3DDevice->yScreenSpace + This->wineD3DDevice->cursorHeight - This->wineD3DDevice->yHotSpot};
 165         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 166         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 167          * the application because we are only supposed to copy the information out. Using a fake surface
 168          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 169          */
 170         memset(&cursor, 0, sizeof(cursor));
 171         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 172         cursor.resource.ref = 1;
 173         cursor.resource.wineD3DDevice = This->wineD3DDevice;
 174         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 175         cursor.resource.format = WINED3DFMT_A8R8G8B8;
 176         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 177         cursor.glDescription.textureName = This->wineD3DDevice->cursorTexture;
 178         cursor.glDescription.target = GL_TEXTURE_2D;
 179         cursor.glDescription.level = 0;
 180         cursor.currentDesc.Width = This->wineD3DDevice->cursorWidth;
 181         cursor.currentDesc.Height = This->wineD3DDevice->cursorHeight;
 182         cursor.glRect.left = 0;
 183         cursor.glRect.top = 0;
 184         cursor.glRect.right = cursor.currentDesc.Width;
 185         cursor.glRect.bottom = cursor.currentDesc.Height;
 186         /* The cursor must have pow2 sizes */
 187         cursor.pow2Width = cursor.currentDesc.Width;
 188         cursor.pow2Height = cursor.currentDesc.Height;
 189         /* The surface is in the texture */
 190         cursor.Flags |= SFLAG_INTEXTURE;
 191         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 192          * which is exactly what we want :-)
 193          */
 194         if (This->presentParms.Windowed) {
 195             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 196         }
 197         IWineD3DSurface_Blt(This->backBuffer[0], &destRect, (IWineD3DSurface *) &cursor, NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_NONE);
 198     }
 199
 200     if (pSourceRect || pDestRect) FIXME("Unhandled present options %p/%p\n", pSourceRect, pDestRect);
 201     /* TODO: If only source rect or dest rect are supplied then clip the window to match */
 202     TRACE("preseting display %p, drawable %ld\n", This->context[0]->display, This->context[0]->drawable);
 203
 204     /* Don't call checkGLcall, as glGetError is not applicable here */
 205     if (hDestWindowOverride && This->win_handle != hDestWindowOverride) {
 206         HDC hDc;
 207         WINED3DLOCKED_RECT r;
 208         Display *display;
 209         BYTE *mem;
 210
 211         TRACE("Performing dest override of swapchain %p from window %p to %p\n", This, This->win_handle, hDestWindowOverride);
 212         if(This->context[0] == This->wineD3DDevice->contexts[0]) {
 213             /* The primary context 'owns' all the opengl resources. Destroying and recreating that context would require downloading
 214              * all opengl resources, deleting the gl resources, destroying all other contexts, then recreating all other contexts
 215              * and reload the resources
 216              */
 217             ERR("Cannot change the destination window of the owner of the primary context\n");
 218         } else {
 219             hDc                          = GetDC(hDestWindowOverride);
 220             This->win_handle             = hDestWindowOverride;
 221             This->win                    = (Window)GetPropA( hDestWindowOverride, "__wine_x11_whole_window" );
 222             display                      = get_display(hDc);
 223             ReleaseDC(hDestWindowOverride, hDc);
 224
 225             /* The old back buffer has to be copied over to the new back buffer. A lockrect - switchcontext - unlockrect
 226              * would suffice in theory, but it is rather nasty and may cause troubles with future changes of the locking code
 227              * So lock read only, copy the surface out, then lock with the discard flag and write back
 228              */
 229             IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_READONLY);
 230             mem = HeapAlloc(GetProcessHeap(), 0, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 231             memcpy(mem, r.pBits, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 232             IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 233
 234             DestroyContext(This->wineD3DDevice, This->context[0]);
 235             This->context[0] = CreateContext(This->wineD3DDevice, (IWineD3DSurfaceImpl *) This->frontBuffer, display, This->win);
 236
 237             IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_DISCARD);
 238             memcpy(r.pBits, mem, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 239             HeapFree(GetProcessHeap(), 0, mem);
 240             IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 241         }
 242     }
 243
 244     glXSwapBuffers(This->context[0]->display, This->context[0]->drawable); /* TODO: cycle through the swapchain buffers */
 245
 246     TRACE("glXSwapBuffers called, Starting new frame\n");
 247     /* FPS support */
 248     if (TRACE_ON(fps))
 249     {
 250         DWORD time = GetTickCount();
 251         This->frames++;
 252         /* every 1.5 seconds */
 253         if (time - This->prev_time > 1500) {
 254             TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
 255             This->prev_time = time;
 256             This->frames = 0;
 257         }
 258     }
 259
 260 #if defined(FRAME_DEBUGGING)
 261 {
 262     if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
 263         if (!isOn) {
 264             isOn = TRUE;
 265             FIXME("Enabling D3D Trace\n");
 266             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
 267 #if defined(SHOW_FRAME_MAKEUP)
 268             FIXME("Singe Frame snapshots Starting\n");
 269             isDumpingFrames = TRUE;
 270             glClear(GL_COLOR_BUFFER_BIT);
 271 #endif
 272
 273 #if defined(SINGLE_FRAME_DEBUGGING)
 274         } else {
 275 #if defined(SHOW_FRAME_MAKEUP)
 276             FIXME("Singe Frame snapshots Finishing\n");
 277             isDumpingFrames = FALSE;
 278 #endif
 279             FIXME("Singe Frame trace complete\n");
 280             DeleteFileA("C:\\D3DTRACE");
 281             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 282 #endif
 283         }
 284     } else {
 285         if (isOn) {
 286             isOn = FALSE;
 287 #if defined(SHOW_FRAME_MAKEUP)
 288             FIXME("Single Frame snapshots Finishing\n");
 289             isDumpingFrames = FALSE;
 290 #endif
 291             FIXME("Disabling D3D Trace\n");
 292             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 293         }
 294     }
 295 }
 296 #endif
 297
 298     LEAVE_GL();
 299
 300     if (This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
 301         TRACE("Clearing the color buffer with pink color\n");
 302
 303         IWineD3DDevice_Clear((IWineD3DDevice*)This->wineD3DDevice, 0, NULL,
 304                               WINED3DCLEAR_TARGET, 0xff00ffff, 1.0, 0);
 305     }
 306
 307     if(((IWineD3DSurfaceImpl *) This->frontBuffer)->Flags   & SFLAG_INSYSMEM ||
 308        ((IWineD3DSurfaceImpl *) This->backBuffer[0])->Flags & SFLAG_INSYSMEM ) {
 309         /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying */
 310         IWineD3DSurfaceImpl *front = (IWineD3DSurfaceImpl *) This->frontBuffer;
 311         IWineD3DSurfaceImpl *back = (IWineD3DSurfaceImpl *) This->backBuffer[0];
 312         BOOL frontuptodate = front->Flags & SFLAG_INSYSMEM;
 313         BOOL backuptodate = back->Flags & SFLAG_INSYSMEM;
 314
 315         if(front->resource.size == back->resource.size) {
 316             /* Flip the DC */
 317             {
 318                 HDC tmp;
 319                 tmp = front->hDC;
 320                 front->hDC = back->hDC;
 321                 back->hDC = tmp;
 322             }
 323
 324             /* Flip the DIBsection */
 325             {
 326                 HBITMAP tmp;
 327                 BOOL hasDib = front->Flags & SFLAG_DIBSECTION;
 328                 tmp = front->dib.DIBsection;
 329                 front->dib.DIBsection = back->dib.DIBsection;
 330                 back->dib.DIBsection = tmp;
 331
 332                 if(back->Flags & SFLAG_DIBSECTION) front->Flags |= SFLAG_DIBSECTION;
 333                 else front->Flags &= ~SFLAG_DIBSECTION;
 334                 if(hasDib) back->Flags |= SFLAG_DIBSECTION;
 335                 else back->Flags &= ~SFLAG_DIBSECTION;
 336             }
 337
 338             /* Flip the surface data */
 339             {
 340                 void* tmp;
 341
 342                 tmp = front->dib.bitmap_data;
 343                 front->dib.bitmap_data = back->dib.bitmap_data;
 344                 back->dib.bitmap_data = tmp;
 345
 346                 tmp = front->resource.allocatedMemory;
 347                 front->resource.allocatedMemory = back->resource.allocatedMemory;
 348                 back->resource.allocatedMemory = tmp;
 349             }
 350
 351             /* client_memory should not be different, but just in case */
 352             {
 353                 BOOL tmp;
 354                 tmp = front->dib.client_memory;
 355                 front->dib.client_memory = back->dib.client_memory;
 356                 back->dib.client_memory = tmp;
 357             }
 358             if(frontuptodate) back->Flags |= SFLAG_INSYSMEM;
 359             else back->Flags &= ~SFLAG_INSYSMEM;
 360             if(backuptodate) front->Flags |= SFLAG_INSYSMEM;
 361             else front->Flags &= ~SFLAG_INSYSMEM;
 362         } else {
 363             back->Flags &= ~SFLAG_INSYSMEM;
 364             front->Flags &= ~SFLAG_INSYSMEM;
 365         }
 366     }
 367
 368     if(This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE && GL_SUPPORT(SGI_VIDEO_SYNC)) {
 369         retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
 370         if(retval != 0) {
 371             ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
 372         }
 373
 374         switch(This->presentParms.PresentationInterval) {
 375             case WINED3DPRESENT_INTERVAL_DEFAULT:
 376             case WINED3DPRESENT_INTERVAL_ONE:
 377                 if(sync <= This->vSyncCounter) {
 378                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
 379                 } else {
 380                     This->vSyncCounter = sync;
 381                 }
 382                 break;
 383             case WINED3DPRESENT_INTERVAL_TWO:
 384                 if(sync <= This->vSyncCounter + 1) {
 385                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
 386                 } else {
 387                     This->vSyncCounter = sync;
 388                 }
 389                 break;
 390             case WINED3DPRESENT_INTERVAL_THREE:
 391                 if(sync <= This->vSyncCounter + 2) {
 392                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
 393                 } else {
 394                     This->vSyncCounter = sync;
 395                 }
 396                 break;
 397             case WINED3DPRESENT_INTERVAL_FOUR:
 398                 if(sync <= This->vSyncCounter + 3) {
 399                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
 400                 } else {
 401                     This->vSyncCounter = sync;
 402                 }
 403                 break;
 404             default:
 405                 FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
 406         }
 407     }
 408
 409     TRACE("returning\n");
 410     return WINED3D_OK;
 411 }
 412
 413 static HRESULT WINAPI IWineD3DSwapChainImpl_GetFrontBufferData(IWineD3DSwapChain *iface, IWineD3DSurface *pDestSurface) {
 414     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 415     POINT start;
 416
 417     TRACE("(%p) : iface(%p) pDestSurface(%p)\n", This, iface, pDestSurface);
 418
 419     start.x = 0;
 420     start.y = 0;
 421
 422     if (This->presentParms.Windowed) {
 423         MapWindowPoints(This->win_handle, NULL, &start, 1);
 424     }
 425
 426     IWineD3DSurface_BltFast(pDestSurface, start.x, start.y, This->frontBuffer, NULL, 0);
 427     return WINED3D_OK;
 428 }
 429
 430 static HRESULT WINAPI IWineD3DSwapChainImpl_GetBackBuffer(IWineD3DSwapChain *iface, UINT iBackBuffer, WINED3DBACKBUFFER_TYPE Type, IWineD3DSurface **ppBackBuffer) {
 431
 432     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 433
 434     if (iBackBuffer > This->presentParms.BackBufferCount - 1) {
 435         TRACE("Back buffer count out of range\n");
 436         /* Native d3d9 doesn't set NULL here, just as wine's d3d9. But set it here
 437          * in wined3d to avoid problems in other libs
 438          */
 439         *ppBackBuffer = NULL;
 440         return WINED3DERR_INVALIDCALL;
 441     }
 442
 443     *ppBackBuffer = This->backBuffer[iBackBuffer];
 444     TRACE("(%p) : BackBuf %d Type %d  returning %p\n", This, iBackBuffer, Type, *ppBackBuffer);
 445
 446     /* Note inc ref on returned surface */
 447     if(*ppBackBuffer) IWineD3DSurface_AddRef(*ppBackBuffer);
 448     return WINED3D_OK;
 449
 450 }
 451
 452 static HRESULT WINAPI IWineD3DSwapChainImpl_GetRasterStatus(IWineD3DSwapChain *iface, WINED3DRASTER_STATUS *pRasterStatus) {
 453     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 454     static BOOL showFixmes = TRUE;
 455     pRasterStatus->InVBlank = TRUE;
 456     pRasterStatus->ScanLine = 0;
 457     /* No openGL equivalent */
 458     if(showFixmes) {
 459         FIXME("(%p) : stub (once)\n", This);
 460         showFixmes = FALSE;
 461     }
 462     return WINED3D_OK;
 463 }
 464
 465 static HRESULT WINAPI IWineD3DSwapChainImpl_GetDisplayMode(IWineD3DSwapChain *iface, WINED3DDISPLAYMODE*pMode) {
 466     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 467     HDC                 hdc;
 468     int                 bpp = 0;
 469
 470     pMode->Width        = GetSystemMetrics(SM_CXSCREEN);
 471     pMode->Height       = GetSystemMetrics(SM_CYSCREEN);
 472     pMode->RefreshRate  = 85; /* FIXME: How to identify? */
 473
 474     hdc = GetDC(0);
 475     bpp = GetDeviceCaps(hdc, BITSPIXEL);
 476     ReleaseDC(0, hdc);
 477
 478     switch (bpp) {
 479     case  8: pMode->Format       = WINED3DFMT_R8G8B8; break;
 480     case 16: pMode->Format       = WINED3DFMT_R5G6B5; break;
 481     case 24: /*pMode->Format       = WINED3DFMT_R8G8B8; break; */ /* 32bpp and 24bpp can be aliased for X */
 482     case 32: pMode->Format       = WINED3DFMT_A8R8G8B8; break;
 483     default:
 484        FIXME("Unrecognized display mode format\n");
 485        pMode->Format       = WINED3DFMT_UNKNOWN;
 486     }
 487
 488     TRACE("(%p) : returning w(%d) h(%d) rr(%d) fmt(%u,%s)\n", This, pMode->Width, pMode->Height, pMode->RefreshRate,
 489     pMode->Format, debug_d3dformat(pMode->Format));
 490     return WINED3D_OK;
 491 }
 492
 493 static HRESULT WINAPI IWineD3DSwapChainImpl_GetDevice(IWineD3DSwapChain *iface, IWineD3DDevice**ppDevice) {
 494     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 495
 496     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
 497
 498     /* Note  Calling this method will increase the internal reference count
 499        on the IDirect3DDevice9 interface. */
 500     IWineD3DDevice_AddRef(*ppDevice);
 501     TRACE("(%p) : returning %p\n", This, *ppDevice);
 502     return WINED3D_OK;
 503 }
 504
 505 static HRESULT WINAPI IWineD3DSwapChainImpl_GetPresentParameters(IWineD3DSwapChain *iface, WINED3DPRESENT_PARAMETERS *pPresentationParameters) {
 506     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 507     TRACE("(%p)\n", This);
 508
 509     *pPresentationParameters = This->presentParms;
 510
 511     return WINED3D_OK;
 512 }
 513
 514 static HRESULT WINAPI IWineD3DSwapChainImpl_SetGammaRamp(IWineD3DSwapChain *iface, DWORD Flags, CONST WINED3DGAMMARAMP *pRamp){
 515
 516     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 517     HDC hDC;
 518     TRACE("(%p) : pRamp@%p flags(%d)\n", This, pRamp, Flags);
 519     hDC = GetDC(This->win_handle);
 520     SetDeviceGammaRamp(hDC, (LPVOID)pRamp);
 521     ReleaseDC(This->win_handle, hDC);
 522     return WINED3D_OK;
 523
 524 }
 525
 526 static HRESULT WINAPI IWineD3DSwapChainImpl_GetGammaRamp(IWineD3DSwapChain *iface, WINED3DGAMMARAMP *pRamp){
 527
 528     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 529     HDC hDC;
 530     TRACE("(%p) : pRamp@%p\n", This, pRamp);
 531     hDC = GetDC(This->win_handle);
 532     GetDeviceGammaRamp(hDC, pRamp);
 533     ReleaseDC(This->win_handle, hDC);
 534     return WINED3D_OK;
 535
 536 }
 537
 538
 539 const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 540 {
 541     /* IUnknown */
 542     IWineD3DSwapChainImpl_QueryInterface,
 543     IWineD3DSwapChainImpl_AddRef,
 544     IWineD3DSwapChainImpl_Release,
 545     /* IWineD3DSwapChain */
 546     IWineD3DSwapChainImpl_GetParent,
 547     IWineD3DSwapChainImpl_Destroy,
 548     IWineD3DSwapChainImpl_GetDevice,
 549     IWineD3DSwapChainImpl_Present,
 550     IWineD3DSwapChainImpl_GetFrontBufferData,
 551     IWineD3DSwapChainImpl_GetBackBuffer,
 552     IWineD3DSwapChainImpl_GetRasterStatus,
 553     IWineD3DSwapChainImpl_GetDisplayMode,
 554     IWineD3DSwapChainImpl_GetPresentParameters,
 555     IWineD3DSwapChainImpl_SetGammaRamp,
 556     IWineD3DSwapChainImpl_GetGammaRamp
 557 };