git.oblomov.eu Git - wine/blob - 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
  57 /* IDirect3DSwapChain IUnknown parts follow: */
  58 static ULONG WINAPI IWineD3DSwapChainImpl_AddRef(IWineD3DSwapChain *iface) {
  59     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  60     DWORD refCount = InterlockedIncrement(&This->ref);
  61     TRACE("(%p) : AddRef increasing from %d\n", This, refCount - 1);
  62     return refCount;
  63 }
  64
  65 static HRESULT WINAPI IWineD3DSwapChainImpl_QueryInterface(IWineD3DSwapChain *iface, REFIID riid, LPVOID *ppobj)
  66 {
  67     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  68     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppobj);
  69     if (IsEqualGUID(riid, &IID_IUnknown)
  70         || IsEqualGUID(riid, &IID_IWineD3DBase)
  71         || IsEqualGUID(riid, &IID_IWineD3DSwapChain)){
  72         IWineD3DSwapChainImpl_AddRef(iface);
  73         if(ppobj == NULL){
  74             ERR("Query interface called but now data allocated\n");
  75             return E_NOINTERFACE;
  76         }
  77         *ppobj = This;
  78         return WINED3D_OK;
  79     }
  80     *ppobj = NULL;
  81     return E_NOINTERFACE;
  82 }
  83
  84
  85 static ULONG WINAPI IWineD3DSwapChainImpl_Release(IWineD3DSwapChain *iface) {
  86     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  87     DWORD refCount;
  88     refCount = InterlockedDecrement(&This->ref);
  89     TRACE("(%p) : ReleaseRef to %d\n", This, refCount);
  90     if (refCount == 0) {
  91         IWineD3DSwapChain_Destroy(iface, D3DCB_DefaultDestroySurface);
  92     }
  93     return refCount;
  94 }
  95
  96 static HRESULT WINAPI IWineD3DSwapChainImpl_GetParent(IWineD3DSwapChain *iface, IUnknown ** ppParent){
  97     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  98     *ppParent = This->parent;
  99     IUnknown_AddRef(*ppParent);
 100     TRACE("(%p) returning %p\n", This , *ppParent);
 101     return WINED3D_OK;
 102 }
 103
 104 /*IWineD3DSwapChain parts follow: */
 105 static void WINAPI IWineD3DSwapChainImpl_Destroy(IWineD3DSwapChain *iface, D3DCB_DESTROYSURFACEFN D3DCB_DestroyRenderTarget) {
 106     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 107     WINED3DDISPLAYMODE mode;
 108     int i;
 109
 110     /* release the ref to the front and back buffer parents */
 111     if(This->frontBuffer) {
 112         IWineD3DSurface_SetContainer(This->frontBuffer, 0);
 113         if(D3DCB_DestroyRenderTarget(This->frontBuffer) > 0) {
 114             FIXME("(%p) Something's still holding the front buffer\n",This);
 115         }
 116     }
 117
 118     if(This->backBuffer) {
 119         int i;
 120         for(i = 0; i < This->presentParms.BackBufferCount; i++) {
 121             IWineD3DSurface_SetContainer(This->backBuffer[i], 0);
 122             if(D3DCB_DestroyRenderTarget(This->backBuffer[i]) > 0) {
 123                 FIXME("(%p) Something's still holding the back buffer\n",This);
 124             }
 125         }
 126     }
 127
 128     /* Restore the screen resolution if we rendered in fullscreen
 129      * This will restore the screen resolution to what it was before creating the swapchain. In case of d3d8 and d3d9
 130      * this will be the original desktop resolution. In case of d3d7 this will be a NOP because ddraw sets the resolution
 131      * before starting up Direct3D, thus orig_width and orig_height will be equal to the modes in the presentation params
 132      */
 133     if(This->presentParms.Windowed == FALSE) {
 134         mode.Width = This->orig_width;
 135         mode.Height = This->orig_height;
 136         mode.RefreshRate = 0;
 137         mode.Format = This->orig_fmt;
 138         IWineD3DDevice_SetDisplayMode((IWineD3DDevice *) This->wineD3DDevice, 0, &mode);
 139     }
 140     for(i = 0; i < This->num_contexts; i++) {
 141         DestroyContext(This->wineD3DDevice, This->context[i]);
 142     }
 143     HeapFree(GetProcessHeap(), 0, This->context);
 144
 145     HeapFree(GetProcessHeap(), 0, This);
 146 }
 147
 148 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 149     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 150     DWORD clear_flags = 0;
 151
 152     ENTER_GL();
 153
 154     /* Does glXSwapBuffers need a glx context? I don't think so. Blt will activate its own context if needed */
 155
 156     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 157     if(This->wineD3DDevice->bCursorVisible && This->wineD3DDevice->cursorTexture) {
 158         IWineD3DSurfaceImpl cursor;
 159         RECT destRect = {This->wineD3DDevice->xScreenSpace - This->wineD3DDevice->xHotSpot,
 160                          This->wineD3DDevice->yScreenSpace - This->wineD3DDevice->yHotSpot,
 161                          This->wineD3DDevice->xScreenSpace + This->wineD3DDevice->cursorWidth - This->wineD3DDevice->xHotSpot,
 162                          This->wineD3DDevice->yScreenSpace + This->wineD3DDevice->cursorHeight - This->wineD3DDevice->yHotSpot};
 163         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 164         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 165          * the application because we are only supposed to copy the information out. Using a fake surface
 166          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 167          */
 168         memset(&cursor, 0, sizeof(cursor));
 169         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 170         cursor.resource.ref = 1;
 171         cursor.resource.wineD3DDevice = This->wineD3DDevice;
 172         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 173         cursor.resource.format = WINED3DFMT_A8R8G8B8;
 174         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 175         cursor.glDescription.textureName = This->wineD3DDevice->cursorTexture;
 176         cursor.glDescription.target = GL_TEXTURE_2D;
 177         cursor.glDescription.level = 0;
 178         cursor.currentDesc.Width = This->wineD3DDevice->cursorWidth;
 179         cursor.currentDesc.Height = This->wineD3DDevice->cursorHeight;
 180         cursor.glRect.left = 0;
 181         cursor.glRect.top = 0;
 182         cursor.glRect.right = cursor.currentDesc.Width;
 183         cursor.glRect.bottom = cursor.currentDesc.Height;
 184         /* The cursor must have pow2 sizes */
 185         cursor.pow2Width = cursor.currentDesc.Width;
 186         cursor.pow2Height = cursor.currentDesc.Height;
 187         /* The surface is in the texture */
 188         cursor.Flags |= SFLAG_INTEXTURE;
 189         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 190          * which is exactly what we want :-)
 191          */
 192         if (This->presentParms.Windowed) {
 193             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 194         }
 195         IWineD3DSurface_Blt(This->backBuffer[0], &destRect, (IWineD3DSurface *) &cursor, NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_NONE);
 196     }
 197
 198     if (pSourceRect || pDestRect) FIXME("Unhandled present options %p/%p\n", pSourceRect, pDestRect);
 199     /* TODO: If only source rect or dest rect are supplied then clip the window to match */
 200     TRACE("preseting display %p, drawable %ld\n", This->context[0]->display, This->context[0]->drawable);
 201
 202     /* Don't call checkGLcall, as glGetError is not applicable here */
 203     if (hDestWindowOverride && This->win_handle != hDestWindowOverride) {
 204         HDC hDc;
 205         WINED3DLOCKED_RECT r;
 206         Display *display;
 207         BYTE *mem;
 208
 209         TRACE("Performing dest override of swapchain %p from window %p to %p\n", This, This->win_handle, hDestWindowOverride);
 210         if(This->context[0] == This->wineD3DDevice->contexts[0]) {
 211             /* The primary context 'owns' all the opengl resources. Destroying and recreating that context would require downloading
 212              * all opengl resources, deleting the gl resources, destroying all other contexts, then recreating all other contexts
 213              * and reload the resources
 214              */
 215             ERR("Cannot change the destination window of the owner of the primary context\n");
 216         } else {
 217             hDc                          = GetDC(hDestWindowOverride);
 218             This->win_handle             = hDestWindowOverride;
 219             This->win                    = (Window)GetPropA( hDestWindowOverride, "__wine_x11_whole_window" );
 220             display                      = get_display(hDc);
 221             ReleaseDC(hDestWindowOverride, hDc);
 222
 223             /* The old back buffer has to be copied over to the new back buffer. A lockrect - switchcontext - unlockrect
 224              * would suffice in theory, but it is rather nasty and may cause troubles with future changes of the locking code
 225              * So lock read only, copy the surface out, then lock with the discard flag and write back
 226              */
 227             IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_READONLY);
 228             mem = HeapAlloc(GetProcessHeap(), 0, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 229             memcpy(mem, r.pBits, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 230             IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 231
 232             DestroyContext(This->wineD3DDevice, This->context[0]);
 233             This->context[0] = CreateContext(This->wineD3DDevice, (IWineD3DSurfaceImpl *) This->frontBuffer, display, This->win);
 234
 235             IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_DISCARD);
 236             memcpy(r.pBits, mem, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 237             HeapFree(GetProcessHeap(), 0, mem);
 238             IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 239         }
 240     }
 241
 242     glXSwapBuffers(This->context[0]->display, This->context[0]->drawable); /* TODO: cycle through the swapchain buffers */
 243
 244     TRACE("glXSwapBuffers called, Starting new frame\n");
 245     /* FPS support */
 246     if (TRACE_ON(fps))
 247     {
 248         DWORD time = GetTickCount();
 249         This->frames++;
 250         /* every 1.5 seconds */
 251         if (time - This->prev_time > 1500) {
 252             TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
 253             This->prev_time = time;
 254             This->frames = 0;
 255         }
 256     }
 257
 258 #if defined(FRAME_DEBUGGING)
 259 {
 260     if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
 261         if (!isOn) {
 262             isOn = TRUE;
 263             FIXME("Enabling D3D Trace\n");
 264             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
 265 #if defined(SHOW_FRAME_MAKEUP)
 266             FIXME("Singe Frame snapshots Starting\n");
 267             isDumpingFrames = TRUE;
 268             glClear(GL_COLOR_BUFFER_BIT);
 269 #endif
 270
 271 #if defined(SINGLE_FRAME_DEBUGGING)
 272         } else {
 273 #if defined(SHOW_FRAME_MAKEUP)
 274             FIXME("Singe Frame snapshots Finishing\n");
 275             isDumpingFrames = FALSE;
 276 #endif
 277             FIXME("Singe Frame trace complete\n");
 278             DeleteFileA("C:\\D3DTRACE");
 279             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 280 #endif
 281         }
 282     } else {
 283         if (isOn) {
 284             isOn = FALSE;
 285 #if defined(SHOW_FRAME_MAKEUP)
 286             FIXME("Single Frame snapshots Finishing\n");
 287             isDumpingFrames = FALSE;
 288 #endif
 289             FIXME("Disabling D3D Trace\n");
 290             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 291         }
 292     }
 293 }
 294 #endif
 295
 296     LEAVE_GL();
 297
 298     if (This->wineD3DDevice->stencilBufferTarget) {
 299         clear_flags |= WINED3DCLEAR_STENCIL|WINED3DCLEAR_ZBUFFER;
 300     }
 301
 302     /* Although this is not strictly required, a simple demo showed this does occur
 303        on (at least non-debug) d3d                                                  */
 304     if (This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
 305
 306         TRACE("Clearing\n");
 307
 308         IWineD3DDevice_Clear((IWineD3DDevice*)This->wineD3DDevice, 0, NULL, clear_flags|WINED3DCLEAR_TARGET, 0x00, 1.0, 0);
 309
 310     } else if (clear_flags) {
 311         TRACE("Clearing z/stencil buffer\n");
 312
 313         IWineD3DDevice_Clear((IWineD3DDevice*)This->wineD3DDevice, 0, NULL, clear_flags, 0x00, 1.0, 0);
 314     }
 315
 316     if(((IWineD3DSurfaceImpl *) This->frontBuffer)->Flags   & SFLAG_INSYSMEM ||
 317        ((IWineD3DSurfaceImpl *) This->backBuffer[0])->Flags & SFLAG_INSYSMEM ) {
 318         /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying */
 319         IWineD3DSurfaceImpl *front = (IWineD3DSurfaceImpl *) This->frontBuffer;
 320         IWineD3DSurfaceImpl *back = (IWineD3DSurfaceImpl *) This->backBuffer[0];
 321         BOOL frontuptodate = front->Flags & SFLAG_INSYSMEM;
 322         BOOL backuptodate = back->Flags & SFLAG_INSYSMEM;
 323
 324         /* Flip the DC */
 325         {
 326             HDC tmp;
 327             tmp = front->hDC;
 328             front->hDC = back->hDC;
 329             back->hDC = tmp;
 330         }
 331
 332         /* Flip the DIBsection */
 333         {
 334             HBITMAP tmp;
 335             BOOL hasDib = front->Flags & SFLAG_DIBSECTION;
 336             tmp = front->dib.DIBsection;
 337             front->dib.DIBsection = back->dib.DIBsection;
 338             back->dib.DIBsection = tmp;
 339
 340             if(back->Flags & SFLAG_DIBSECTION) front->Flags |= SFLAG_DIBSECTION;
 341             else front->Flags &= ~SFLAG_DIBSECTION;
 342             if(hasDib) back->Flags |= SFLAG_DIBSECTION;
 343             else back->Flags &= ~SFLAG_DIBSECTION;
 344         }
 345
 346         /* Flip the surface data */
 347         {
 348             void* tmp;
 349
 350             tmp = front->dib.bitmap_data;
 351             front->dib.bitmap_data = back->dib.bitmap_data;
 352             back->dib.bitmap_data = tmp;
 353
 354             tmp = front->resource.allocatedMemory;
 355             front->resource.allocatedMemory = back->resource.allocatedMemory;
 356             back->resource.allocatedMemory = tmp;
 357         }
 358
 359         /* client_memory should not be different, but just in case */
 360         {
 361             BOOL tmp;
 362             tmp = front->dib.client_memory;
 363             front->dib.client_memory = back->dib.client_memory;
 364             back->dib.client_memory = tmp;
 365         }
 366         if(frontuptodate) back->Flags |= SFLAG_INSYSMEM;
 367         else back->Flags &= ~SFLAG_INSYSMEM;
 368         if(backuptodate) front->Flags |= SFLAG_INSYSMEM;
 369         else front->Flags &= ~SFLAG_INSYSMEM;
 370     }
 371
 372     TRACE("returning\n");
 373     return WINED3D_OK;
 374 }
 375
 376 static HRESULT WINAPI IWineD3DSwapChainImpl_GetFrontBufferData(IWineD3DSwapChain *iface, IWineD3DSurface *pDestSurface) {
 377     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 378     POINT start;
 379
 380     TRACE("(%p) : iface(%p) pDestSurface(%p)\n", This, iface, pDestSurface);
 381
 382     start.x = 0;
 383     start.y = 0;
 384
 385     if (This->presentParms.Windowed) {
 386         MapWindowPoints(This->win_handle, NULL, &start, 1);
 387     }
 388
 389     IWineD3DSurface_BltFast(pDestSurface, start.x, start.y, This->frontBuffer, NULL, 0);
 390     return WINED3D_OK;
 391 }
 392
 393 static HRESULT WINAPI IWineD3DSwapChainImpl_GetBackBuffer(IWineD3DSwapChain *iface, UINT iBackBuffer, WINED3DBACKBUFFER_TYPE Type, IWineD3DSurface **ppBackBuffer) {
 394
 395     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 396
 397     if (iBackBuffer > This->presentParms.BackBufferCount - 1) {
 398         TRACE("Back buffer count out of range\n");
 399         /* Native d3d9 doesn't set NULL here, just as wine's d3d9. But set it here
 400          * in wined3d to avoid problems in other libs
 401          */
 402         *ppBackBuffer = NULL;
 403         return WINED3DERR_INVALIDCALL;
 404     }
 405
 406     *ppBackBuffer = This->backBuffer[iBackBuffer];
 407     TRACE("(%p) : BackBuf %d Type %d  returning %p\n", This, iBackBuffer, Type, *ppBackBuffer);
 408
 409     /* Note inc ref on returned surface */
 410     if(*ppBackBuffer) IWineD3DSurface_AddRef(*ppBackBuffer);
 411     return WINED3D_OK;
 412
 413 }
 414
 415 static HRESULT WINAPI IWineD3DSwapChainImpl_GetRasterStatus(IWineD3DSwapChain *iface, WINED3DRASTER_STATUS *pRasterStatus) {
 416     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 417     static BOOL showFixmes = TRUE;
 418     pRasterStatus->InVBlank = TRUE;
 419     pRasterStatus->ScanLine = 0;
 420     /* No openGL equivalent */
 421     if(showFixmes) {
 422         FIXME("(%p) : stub (once)\n", This);
 423         showFixmes = FALSE;
 424     }
 425     return WINED3D_OK;
 426 }
 427
 428 static HRESULT WINAPI IWineD3DSwapChainImpl_GetDisplayMode(IWineD3DSwapChain *iface, WINED3DDISPLAYMODE*pMode) {
 429     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 430     HDC                 hdc;
 431     int                 bpp = 0;
 432
 433     pMode->Width        = GetSystemMetrics(SM_CXSCREEN);
 434     pMode->Height       = GetSystemMetrics(SM_CYSCREEN);
 435     pMode->RefreshRate  = 85; /* FIXME: How to identify? */
 436
 437     hdc = GetDC(0);
 438     bpp = GetDeviceCaps(hdc, BITSPIXEL);
 439     ReleaseDC(0, hdc);
 440
 441     switch (bpp) {
 442     case  8: pMode->Format       = WINED3DFMT_R8G8B8; break;
 443     case 16: pMode->Format       = WINED3DFMT_R5G6B5; break;
 444     case 24: /*pMode->Format       = WINED3DFMT_R8G8B8; break; */ /* 32bpp and 24bpp can be aliased for X */
 445     case 32: pMode->Format       = WINED3DFMT_A8R8G8B8; break;
 446     default:
 447        FIXME("Unrecognized display mode format\n");
 448        pMode->Format       = WINED3DFMT_UNKNOWN;
 449     }
 450
 451     TRACE("(%p) : returning w(%d) h(%d) rr(%d) fmt(%u,%s)\n", This, pMode->Width, pMode->Height, pMode->RefreshRate,
 452     pMode->Format, debug_d3dformat(pMode->Format));
 453     return WINED3D_OK;
 454 }
 455
 456 static HRESULT WINAPI IWineD3DSwapChainImpl_GetDevice(IWineD3DSwapChain *iface, IWineD3DDevice**ppDevice) {
 457     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 458
 459     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
 460
 461     /* Note  Calling this method will increase the internal reference count
 462        on the IDirect3DDevice9 interface. */
 463     IWineD3DDevice_AddRef(*ppDevice);
 464     TRACE("(%p) : returning %p\n", This, *ppDevice);
 465     return WINED3D_OK;
 466 }
 467
 468 static HRESULT WINAPI IWineD3DSwapChainImpl_GetPresentParameters(IWineD3DSwapChain *iface, WINED3DPRESENT_PARAMETERS *pPresentationParameters) {
 469     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 470     TRACE("(%p)\n", This);
 471
 472     *pPresentationParameters = This->presentParms;
 473
 474     return WINED3D_OK;
 475 }
 476
 477 static HRESULT WINAPI IWineD3DSwapChainImpl_SetGammaRamp(IWineD3DSwapChain *iface, DWORD Flags, CONST WINED3DGAMMARAMP *pRamp){
 478
 479     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 480     HDC hDC;
 481     TRACE("(%p) : pRamp@%p flags(%d)\n", This, pRamp, Flags);
 482     hDC = GetDC(This->win_handle);
 483     SetDeviceGammaRamp(hDC, (LPVOID)pRamp);
 484     ReleaseDC(This->win_handle, hDC);
 485     return WINED3D_OK;
 486
 487 }
 488
 489 static HRESULT WINAPI IWineD3DSwapChainImpl_GetGammaRamp(IWineD3DSwapChain *iface, WINED3DGAMMARAMP *pRamp){
 490
 491     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 492     HDC hDC;
 493     TRACE("(%p) : pRamp@%p\n", This, pRamp);
 494     hDC = GetDC(This->win_handle);
 495     GetDeviceGammaRamp(hDC, pRamp);
 496     ReleaseDC(This->win_handle, hDC);
 497     return WINED3D_OK;
 498
 499 }
 500
 501
 502 const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 503 {
 504     /* IUnknown */
 505     IWineD3DSwapChainImpl_QueryInterface,
 506     IWineD3DSwapChainImpl_AddRef,
 507     IWineD3DSwapChainImpl_Release,
 508     /* IWineD3DSwapChain */
 509     IWineD3DSwapChainImpl_GetParent,
 510     IWineD3DSwapChainImpl_Destroy,
 511     IWineD3DSwapChainImpl_GetDevice,
 512     IWineD3DSwapChainImpl_Present,
 513     IWineD3DSwapChainImpl_GetFrontBufferData,
 514     IWineD3DSwapChainImpl_GetBackBuffer,
 515     IWineD3DSwapChainImpl_GetRasterStatus,
 516     IWineD3DSwapChainImpl_GetDisplayMode,
 517     IWineD3DSwapChainImpl_GetPresentParameters,
 518     IWineD3DSwapChainImpl_SetGammaRamp,
 519     IWineD3DSwapChainImpl_GetGammaRamp
 520 };