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