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  *Copyright 2007 Stefan Dösinger for CodeWeavers
   8  *
   9  *This library is free software; you can redistribute it and/or
  10  *modify it under the terms of the GNU Lesser General Public
  11  *License as published by the Free Software Foundation; either
  12  *version 2.1 of the License, or (at your option) any later version.
  13  *
  14  *This library is distributed in the hope that it will be useful,
  15  *but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  *Lesser General Public License for more details.
  18  *
  19  *You should have received a copy of the GNU Lesser General Public
  20  *License along with this library; if not, write to the Free Software
  21  *Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wined3d_private.h"
  26
  27
  28 /*TODO: some of the additional parameters may be required to
  29     set the gamma ramp (for some weird reason microsoft have left swap gammaramp in device
  30     but it operates on a swapchain, it may be a good idea to move it to IWineD3DSwapChain for IWineD3D)*/
  31
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  34 WINE_DECLARE_DEBUG_CHANNEL(fps);
  35
  36 #define GLINFO_LOCATION This->wineD3DDevice->adapter->gl_info
  37
  38 /* IDirect3DSwapChain IUnknown parts follow: */
  39 static ULONG WINAPI IWineD3DSwapChainImpl_AddRef(IWineD3DSwapChain *iface) {
  40     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  41     DWORD refCount = InterlockedIncrement(&This->ref);
  42     TRACE("(%p) : AddRef increasing from %d\n", This, refCount - 1);
  43     return refCount;
  44 }
  45
  46 static HRESULT WINAPI IWineD3DSwapChainImpl_QueryInterface(IWineD3DSwapChain *iface, REFIID riid, LPVOID *ppobj)
  47 {
  48     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  49     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppobj);
  50     if (IsEqualGUID(riid, &IID_IUnknown)
  51         || IsEqualGUID(riid, &IID_IWineD3DBase)
  52         || IsEqualGUID(riid, &IID_IWineD3DSwapChain)){
  53         IWineD3DSwapChainImpl_AddRef(iface);
  54         if(ppobj == NULL){
  55             ERR("Query interface called but now data allocated\n");
  56             return E_NOINTERFACE;
  57         }
  58         *ppobj = This;
  59         return WINED3D_OK;
  60     }
  61     *ppobj = NULL;
  62     return E_NOINTERFACE;
  63 }
  64
  65
  66 static ULONG WINAPI IWineD3DSwapChainImpl_Release(IWineD3DSwapChain *iface) {
  67     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  68     DWORD refCount;
  69     refCount = InterlockedDecrement(&This->ref);
  70     TRACE("(%p) : ReleaseRef to %d\n", This, refCount);
  71     if (refCount == 0) {
  72         IWineD3DSwapChain_Destroy(iface, D3DCB_DefaultDestroySurface);
  73     }
  74     return refCount;
  75 }
  76
  77 static HRESULT WINAPI IWineD3DSwapChainImpl_GetParent(IWineD3DSwapChain *iface, IUnknown ** ppParent){
  78     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  79     *ppParent = This->parent;
  80     IUnknown_AddRef(*ppParent);
  81     TRACE("(%p) returning %p\n", This , *ppParent);
  82     return WINED3D_OK;
  83 }
  84
  85 /*IWineD3DSwapChain parts follow: */
  86 static void WINAPI IWineD3DSwapChainImpl_Destroy(IWineD3DSwapChain *iface, D3DCB_DESTROYSURFACEFN D3DCB_DestroyRenderTarget) {
  87     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  88     WINED3DDISPLAYMODE mode;
  89     int i;
  90
  91     /* release the ref to the front and back buffer parents */
  92     if(This->frontBuffer) {
  93         IWineD3DSurface_SetContainer(This->frontBuffer, 0);
  94         if(D3DCB_DestroyRenderTarget(This->frontBuffer) > 0) {
  95             FIXME("(%p) Something's still holding the front buffer\n",This);
  96         }
  97     }
  98
  99     if(This->backBuffer) {
 100         int i;
 101         for(i = 0; i < This->presentParms.BackBufferCount; i++) {
 102             IWineD3DSurface_SetContainer(This->backBuffer[i], 0);
 103             if(D3DCB_DestroyRenderTarget(This->backBuffer[i]) > 0) {
 104                 FIXME("(%p) Something's still holding the back buffer\n",This);
 105             }
 106         }
 107         HeapFree(GetProcessHeap(), 0, This->backBuffer);
 108     }
 109
 110     for(i = 0; i < This->num_contexts; i++) {
 111         DestroyContext(This->wineD3DDevice, This->context[i]);
 112     }
 113     /* Restore the screen resolution if we rendered in fullscreen
 114      * This will restore the screen resolution to what it was before creating the swapchain. In case of d3d8 and d3d9
 115      * this will be the original desktop resolution. In case of d3d7 this will be a NOP because ddraw sets the resolution
 116      * before starting up Direct3D, thus orig_width and orig_height will be equal to the modes in the presentation params
 117      */
 118     if(This->presentParms.Windowed == FALSE) {
 119         mode.Width = This->orig_width;
 120         mode.Height = This->orig_height;
 121         mode.RefreshRate = 0;
 122         mode.Format = This->orig_fmt;
 123         IWineD3DDevice_SetDisplayMode((IWineD3DDevice *) This->wineD3DDevice, 0, &mode);
 124     }
 125     HeapFree(GetProcessHeap(), 0, This->context);
 126
 127     HeapFree(GetProcessHeap(), 0, This);
 128 }
 129
 130 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 131     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 132     unsigned int sync;
 133     int retval;
 134
 135
 136     ActivateContext(This->wineD3DDevice, This->backBuffer[0], CTXUSAGE_RESOURCELOAD);
 137
 138     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 139     if(This->wineD3DDevice->bCursorVisible && This->wineD3DDevice->cursorTexture) {
 140         IWineD3DSurfaceImpl cursor;
 141         RECT destRect = {This->wineD3DDevice->xScreenSpace - This->wineD3DDevice->xHotSpot,
 142                          This->wineD3DDevice->yScreenSpace - This->wineD3DDevice->yHotSpot,
 143                          This->wineD3DDevice->xScreenSpace + This->wineD3DDevice->cursorWidth - This->wineD3DDevice->xHotSpot,
 144                          This->wineD3DDevice->yScreenSpace + This->wineD3DDevice->cursorHeight - This->wineD3DDevice->yHotSpot};
 145         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 146         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 147          * the application because we are only supposed to copy the information out. Using a fake surface
 148          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 149          */
 150         memset(&cursor, 0, sizeof(cursor));
 151         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 152         cursor.resource.ref = 1;
 153         cursor.resource.wineD3DDevice = This->wineD3DDevice;
 154         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 155         cursor.resource.format = WINED3DFMT_A8R8G8B8;
 156         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 157         cursor.glDescription.textureName = This->wineD3DDevice->cursorTexture;
 158         cursor.glDescription.target = GL_TEXTURE_2D;
 159         cursor.glDescription.level = 0;
 160         cursor.currentDesc.Width = This->wineD3DDevice->cursorWidth;
 161         cursor.currentDesc.Height = This->wineD3DDevice->cursorHeight;
 162         cursor.glRect.left = 0;
 163         cursor.glRect.top = 0;
 164         cursor.glRect.right = cursor.currentDesc.Width;
 165         cursor.glRect.bottom = cursor.currentDesc.Height;
 166         /* The cursor must have pow2 sizes */
 167         cursor.pow2Width = cursor.currentDesc.Width;
 168         cursor.pow2Height = cursor.currentDesc.Height;
 169         /* The surface is in the texture */
 170         cursor.Flags |= SFLAG_INTEXTURE;
 171         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 172          * which is exactly what we want :-)
 173          */
 174         if (This->presentParms.Windowed) {
 175             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 176         }
 177         IWineD3DSurface_Blt(This->backBuffer[0], &destRect, (IWineD3DSurface *) &cursor, NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_NONE);
 178     }
 179     if(This->wineD3DDevice->logo_surface) {
 180         /* Blit the logo into the upper left corner of the drawable */
 181         IWineD3DSurface_BltFast(This->backBuffer[0], 0, 0, This->wineD3DDevice->logo_surface, NULL, WINEDDBLTFAST_SRCCOLORKEY);
 182     }
 183
 184     if (pSourceRect || pDestRect) FIXME("Unhandled present options %p/%p\n", pSourceRect, pDestRect);
 185     /* TODO: If only source rect or dest rect are supplied then clip the window to match */
 186     TRACE("preseting HDC %p\n", This->context[0]->hdc);
 187
 188     /* Don't call checkGLcall, as glGetError is not applicable here */
 189     if (hDestWindowOverride && This->win_handle != hDestWindowOverride) {
 190         WINED3DLOCKED_RECT r;
 191         BYTE *mem;
 192
 193         TRACE("Performing dest override of swapchain %p from window %p to %p\n", This, This->win_handle, hDestWindowOverride);
 194         if(This->context[0] == This->wineD3DDevice->contexts[0]) {
 195             /* The primary context 'owns' all the opengl resources. Destroying and recreating that context would require downloading
 196              * all opengl resources, deleting the gl resources, destroying all other contexts, then recreating all other contexts
 197              * and reload the resources
 198              */
 199             ERR("Cannot change the destination window of the owner of the primary context\n");
 200         } else {
 201             This->win_handle             = hDestWindowOverride;
 202
 203             /* The old back buffer has to be copied over to the new back buffer. A lockrect - switchcontext - unlockrect
 204              * would suffice in theory, but it is rather nasty and may cause troubles with future changes of the locking code
 205              * So lock read only, copy the surface out, then lock with the discard flag and write back
 206              */
 207             IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_READONLY);
 208             mem = HeapAlloc(GetProcessHeap(), 0, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 209             memcpy(mem, r.pBits, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 210             IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 211
 212             DestroyContext(This->wineD3DDevice, This->context[0]);
 213             This->context[0] = CreateContext(This->wineD3DDevice, (IWineD3DSurfaceImpl *) This->frontBuffer, This->win_handle, FALSE /* pbuffer */, &This->presentParms);
 214
 215             IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_DISCARD);
 216             memcpy(r.pBits, mem, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 217             HeapFree(GetProcessHeap(), 0, mem);
 218             IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 219         }
 220     }
 221
 222     SwapBuffers(This->context[0]->hdc); /* TODO: cycle through the swapchain buffers */
 223
 224     TRACE("SwapBuffers called, Starting new frame\n");
 225     /* FPS support */
 226     if (TRACE_ON(fps))
 227     {
 228         DWORD time = GetTickCount();
 229         This->frames++;
 230         /* every 1.5 seconds */
 231         if (time - This->prev_time > 1500) {
 232             TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
 233             This->prev_time = time;
 234             This->frames = 0;
 235         }
 236     }
 237
 238 #if defined(FRAME_DEBUGGING)
 239 {
 240     if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
 241         if (!isOn) {
 242             isOn = TRUE;
 243             FIXME("Enabling D3D Trace\n");
 244             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
 245 #if defined(SHOW_FRAME_MAKEUP)
 246             FIXME("Singe Frame snapshots Starting\n");
 247             isDumpingFrames = TRUE;
 248             ENTER_GL();
 249             glClear(GL_COLOR_BUFFER_BIT);
 250             LEAVE_GL();
 251 #endif
 252
 253 #if defined(SINGLE_FRAME_DEBUGGING)
 254         } else {
 255 #if defined(SHOW_FRAME_MAKEUP)
 256             FIXME("Singe Frame snapshots Finishing\n");
 257             isDumpingFrames = FALSE;
 258 #endif
 259             FIXME("Singe Frame trace complete\n");
 260             DeleteFileA("C:\\D3DTRACE");
 261             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 262 #endif
 263         }
 264     } else {
 265         if (isOn) {
 266             isOn = FALSE;
 267 #if defined(SHOW_FRAME_MAKEUP)
 268             FIXME("Single Frame snapshots Finishing\n");
 269             isDumpingFrames = FALSE;
 270 #endif
 271             FIXME("Disabling D3D Trace\n");
 272             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 273         }
 274     }
 275 }
 276 #endif
 277
 278     /* This is disabled, but the code left in for debug purposes.
 279      *
 280      * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
 281      * we can clear it with some ugly color to make bad drawing visible and ease debugging.
 282      * The Debug runtime does the same on Windows. However, a few games do not redraw the
 283      * screen properly, like Max Payne 2, which leaves a few pixels undefined.
 284      *
 285      * Tests show that the content of the back buffer after a discard flip is indeed not
 286      * reliable, so no game can depend on the exact content. However, it resembles the
 287      * old contents in some way, for example by showing fragments at other locations. In
 288      * general, the color theme is still intact. So Max payne, which draws rather dark scenes
 289      * gets a dark background image. If we clear it with a bright ugly color, the game's
 290      * bug shows up much more than it does on Windows, and the players see single pixels
 291      * with wrong colors.
 292      * (The Max Payne bug has been confirmed on Windows with the debug runtime)
 293      */
 294     if (FALSE && This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
 295         TRACE("Clearing the color buffer with cyan color\n");
 296
 297         IWineD3DDevice_Clear((IWineD3DDevice*)This->wineD3DDevice, 0, NULL,
 298                               WINED3DCLEAR_TARGET, 0xff00ffff, 1.0, 0);
 299     }
 300
 301     if(((IWineD3DSurfaceImpl *) This->frontBuffer)->Flags   & SFLAG_INSYSMEM ||
 302        ((IWineD3DSurfaceImpl *) This->backBuffer[0])->Flags & SFLAG_INSYSMEM ) {
 303         /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying */
 304         IWineD3DSurfaceImpl *front = (IWineD3DSurfaceImpl *) This->frontBuffer;
 305         IWineD3DSurfaceImpl *back = (IWineD3DSurfaceImpl *) This->backBuffer[0];
 306         BOOL frontuptodate = front->Flags & SFLAG_INSYSMEM;
 307         BOOL backuptodate = back->Flags & SFLAG_INSYSMEM;
 308
 309         if(front->resource.size == back->resource.size) {
 310             /* Flip the DC */
 311             {
 312                 HDC tmp;
 313                 tmp = front->hDC;
 314                 front->hDC = back->hDC;
 315                 back->hDC = tmp;
 316             }
 317
 318             /* Flip the DIBsection */
 319             {
 320                 HBITMAP tmp;
 321                 BOOL hasDib = front->Flags & SFLAG_DIBSECTION;
 322                 tmp = front->dib.DIBsection;
 323                 front->dib.DIBsection = back->dib.DIBsection;
 324                 back->dib.DIBsection = tmp;
 325
 326                 if(back->Flags & SFLAG_DIBSECTION) front->Flags |= SFLAG_DIBSECTION;
 327                 else front->Flags &= ~SFLAG_DIBSECTION;
 328                 if(hasDib) back->Flags |= SFLAG_DIBSECTION;
 329                 else back->Flags &= ~SFLAG_DIBSECTION;
 330             }
 331
 332             /* Flip the surface data */
 333             {
 334                 void* tmp;
 335
 336                 tmp = front->dib.bitmap_data;
 337                 front->dib.bitmap_data = back->dib.bitmap_data;
 338                 back->dib.bitmap_data = tmp;
 339
 340                 tmp = front->resource.allocatedMemory;
 341                 front->resource.allocatedMemory = back->resource.allocatedMemory;
 342                 back->resource.allocatedMemory = tmp;
 343
 344                 tmp = front->resource.heapMemory;
 345                 front->resource.heapMemory = back->resource.heapMemory;
 346                 back->resource.heapMemory = tmp;
 347             }
 348
 349             /* Flip the PBO */
 350             {
 351                 DWORD tmp_flags = front->Flags;
 352
 353                 GLuint tmp_pbo = front->pbo;
 354                 front->pbo = back->pbo;
 355                 back->pbo = tmp_pbo;
 356
 357                 if(back->Flags & SFLAG_PBO)
 358                     front->Flags |= SFLAG_PBO;
 359                 else
 360                     front->Flags &= ~SFLAG_PBO;
 361
 362                 if(tmp_flags & SFLAG_PBO)
 363                     back->Flags |= SFLAG_PBO;
 364                 else
 365                     back->Flags &= ~SFLAG_PBO;
 366             }
 367
 368             /* client_memory should not be different, but just in case */
 369             {
 370                 BOOL tmp;
 371                 tmp = front->dib.client_memory;
 372                 front->dib.client_memory = back->dib.client_memory;
 373                 back->dib.client_memory = tmp;
 374             }
 375             if(frontuptodate) back->Flags |= SFLAG_INSYSMEM;
 376             else back->Flags &= ~SFLAG_INSYSMEM;
 377             if(backuptodate) front->Flags |= SFLAG_INSYSMEM;
 378             else front->Flags &= ~SFLAG_INSYSMEM;
 379         } else {
 380             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) front, SFLAG_INDRAWABLE, TRUE);
 381             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) back, SFLAG_INDRAWABLE, TRUE);
 382         }
 383     }
 384
 385     if(This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE && GL_SUPPORT(SGI_VIDEO_SYNC)) {
 386         retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
 387         if(retval != 0) {
 388             ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
 389         }
 390
 391         switch(This->presentParms.PresentationInterval) {
 392             case WINED3DPRESENT_INTERVAL_DEFAULT:
 393             case WINED3DPRESENT_INTERVAL_ONE:
 394                 if(sync <= This->vSyncCounter) {
 395                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
 396                 } else {
 397                     This->vSyncCounter = sync;
 398                 }
 399                 break;
 400             case WINED3DPRESENT_INTERVAL_TWO:
 401                 if(sync <= This->vSyncCounter + 1) {
 402                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
 403                 } else {
 404                     This->vSyncCounter = sync;
 405                 }
 406                 break;
 407             case WINED3DPRESENT_INTERVAL_THREE:
 408                 if(sync <= This->vSyncCounter + 2) {
 409                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
 410                 } else {
 411                     This->vSyncCounter = sync;
 412                 }
 413                 break;
 414             case WINED3DPRESENT_INTERVAL_FOUR:
 415                 if(sync <= This->vSyncCounter + 3) {
 416                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
 417                 } else {
 418                     This->vSyncCounter = sync;
 419                 }
 420                 break;
 421             default:
 422                 FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
 423         }
 424     }
 425
 426     TRACE("returning\n");
 427     return WINED3D_OK;
 428 }
 429
 430 static HRESULT WINAPI IWineD3DSwapChainImpl_GetFrontBufferData(IWineD3DSwapChain *iface, IWineD3DSurface *pDestSurface) {
 431     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 432     POINT start;
 433
 434     TRACE("(%p) : iface(%p) pDestSurface(%p)\n", This, iface, pDestSurface);
 435
 436     start.x = 0;
 437     start.y = 0;
 438
 439     if (This->presentParms.Windowed) {
 440         MapWindowPoints(This->win_handle, NULL, &start, 1);
 441     }
 442
 443     IWineD3DSurface_BltFast(pDestSurface, start.x, start.y, This->frontBuffer, NULL, 0);
 444     return WINED3D_OK;
 445 }
 446
 447 static HRESULT WINAPI IWineD3DSwapChainImpl_GetBackBuffer(IWineD3DSwapChain *iface, UINT iBackBuffer, WINED3DBACKBUFFER_TYPE Type, IWineD3DSurface **ppBackBuffer) {
 448
 449     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 450
 451     if (iBackBuffer > This->presentParms.BackBufferCount - 1) {
 452         TRACE("Back buffer count out of range\n");
 453         /* Native d3d9 doesn't set NULL here, just as wine's d3d9. But set it here
 454          * in wined3d to avoid problems in other libs
 455          */
 456         *ppBackBuffer = NULL;
 457         return WINED3DERR_INVALIDCALL;
 458     }
 459
 460     *ppBackBuffer = This->backBuffer[iBackBuffer];
 461     TRACE("(%p) : BackBuf %d Type %d  returning %p\n", This, iBackBuffer, Type, *ppBackBuffer);
 462
 463     /* Note inc ref on returned surface */
 464     if(*ppBackBuffer) IWineD3DSurface_AddRef(*ppBackBuffer);
 465     return WINED3D_OK;
 466
 467 }
 468
 469 static HRESULT WINAPI IWineD3DSwapChainImpl_GetRasterStatus(IWineD3DSwapChain *iface, WINED3DRASTER_STATUS *pRasterStatus) {
 470     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 471     static BOOL showFixmes = TRUE;
 472     pRasterStatus->InVBlank = TRUE;
 473     pRasterStatus->ScanLine = 0;
 474     /* No openGL equivalent */
 475     if(showFixmes) {
 476         FIXME("(%p) : stub (once)\n", This);
 477         showFixmes = FALSE;
 478     }
 479     return WINED3D_OK;
 480 }
 481
 482 static HRESULT WINAPI IWineD3DSwapChainImpl_GetDisplayMode(IWineD3DSwapChain *iface, WINED3DDISPLAYMODE*pMode) {
 483     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 484     HRESULT hr;
 485
 486     TRACE("(%p)->(%p): Calling GetAdapterDisplayMode\n", This, pMode);
 487     hr = IWineD3D_GetAdapterDisplayMode(This->wineD3DDevice->wineD3D, This->wineD3DDevice->adapter->num, pMode);
 488
 489     TRACE("(%p) : returning w(%d) h(%d) rr(%d) fmt(%u,%s)\n", This, pMode->Width, pMode->Height, pMode->RefreshRate,
 490     pMode->Format, debug_d3dformat(pMode->Format));
 491     return hr;
 492 }
 493
 494 static HRESULT WINAPI IWineD3DSwapChainImpl_GetDevice(IWineD3DSwapChain *iface, IWineD3DDevice**ppDevice) {
 495     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 496
 497     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
 498
 499     /* Note  Calling this method will increase the internal reference count
 500        on the IDirect3DDevice9 interface. */
 501     IWineD3DDevice_AddRef(*ppDevice);
 502     TRACE("(%p) : returning %p\n", This, *ppDevice);
 503     return WINED3D_OK;
 504 }
 505
 506 static HRESULT WINAPI IWineD3DSwapChainImpl_GetPresentParameters(IWineD3DSwapChain *iface, WINED3DPRESENT_PARAMETERS *pPresentationParameters) {
 507     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 508     TRACE("(%p)\n", This);
 509
 510     *pPresentationParameters = This->presentParms;
 511
 512     return WINED3D_OK;
 513 }
 514
 515 static HRESULT WINAPI IWineD3DSwapChainImpl_SetGammaRamp(IWineD3DSwapChain *iface, DWORD Flags, CONST WINED3DGAMMARAMP *pRamp){
 516
 517     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 518     HDC hDC;
 519     TRACE("(%p) : pRamp@%p flags(%d)\n", This, pRamp, Flags);
 520     hDC = GetDC(This->win_handle);
 521     SetDeviceGammaRamp(hDC, (LPVOID)pRamp);
 522     ReleaseDC(This->win_handle, hDC);
 523     return WINED3D_OK;
 524
 525 }
 526
 527 static HRESULT WINAPI IWineD3DSwapChainImpl_GetGammaRamp(IWineD3DSwapChain *iface, WINED3DGAMMARAMP *pRamp){
 528
 529     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 530     HDC hDC;
 531     TRACE("(%p) : pRamp@%p\n", This, pRamp);
 532     hDC = GetDC(This->win_handle);
 533     GetDeviceGammaRamp(hDC, pRamp);
 534     ReleaseDC(This->win_handle, hDC);
 535     return WINED3D_OK;
 536
 537 }
 538
 539
 540 const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 541 {
 542     /* IUnknown */
 543     IWineD3DSwapChainImpl_QueryInterface,
 544     IWineD3DSwapChainImpl_AddRef,
 545     IWineD3DSwapChainImpl_Release,
 546     /* IWineD3DSwapChain */
 547     IWineD3DSwapChainImpl_GetParent,
 548     IWineD3DSwapChainImpl_Destroy,
 549     IWineD3DSwapChainImpl_GetDevice,
 550     IWineD3DSwapChainImpl_Present,
 551     IWineD3DSwapChainImpl_GetFrontBufferData,
 552     IWineD3DSwapChainImpl_GetBackBuffer,
 553     IWineD3DSwapChainImpl_GetRasterStatus,
 554     IWineD3DSwapChainImpl_GetDisplayMode,
 555     IWineD3DSwapChainImpl_GetPresentParameters,
 556     IWineD3DSwapChainImpl_SetGammaRamp,
 557     IWineD3DSwapChainImpl_GetGammaRamp
 558 };
 559
 560 WineD3DContext *IWineD3DSwapChainImpl_CreateContextForThread(IWineD3DSwapChain *iface) {
 561     WineD3DContext *ctx;
 562     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *) iface;
 563     WineD3DContext **newArray;
 564
 565     TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
 566
 567     ctx = CreateContext(This->wineD3DDevice, (IWineD3DSurfaceImpl *) This->frontBuffer,
 568                         This->context[0]->win_handle, FALSE /* pbuffer */, &This->presentParms);
 569     if(!ctx) {
 570         ERR("Failed to create a new context for the swapchain\n");
 571         return NULL;
 572     }
 573
 574     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * This->num_contexts + 1);
 575     if(!newArray) {
 576         ERR("Out of memory when trying to allocate a new context array\n");
 577         DestroyContext(This->wineD3DDevice, ctx);
 578         return NULL;
 579     }
 580     memcpy(newArray, This->context, sizeof(*newArray) * This->num_contexts);
 581     HeapFree(GetProcessHeap(), 0, This->context);
 582     newArray[This->num_contexts] = ctx;
 583     This->context = newArray;
 584     This->num_contexts++;
 585
 586     TRACE("Returning context %p\n", ctx);
 587     return ctx;
 588 }
 589
 590 void get_drawable_size_swapchain(IWineD3DSurfaceImpl *This, UINT *width, UINT *height) {
 591     /* The drawable size of an onscreen drawable is the surface size.
 592      * (Actually: The window size, but the surface is created in window size)
 593      */
 594     *width = This->currentDesc.Width;
 595     *height = This->currentDesc.Height;
 596 }