reactos/dll/directx/wine/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 2007-2008 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->device->adapter->gl_info
  37
  38 /*IWineD3DSwapChain parts follow: */
  39 static void WINAPI IWineD3DSwapChainImpl_Destroy(IWineD3DSwapChain *iface)
  40 {
  41     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  42     WINED3DDISPLAYMODE mode;
  43     unsigned int i;
  44
  45     TRACE("Destroying swapchain %p\n", iface);
  46
  47     IWineD3DSwapChain_SetGammaRamp(iface, 0, &This->orig_gamma);
  48
  49     /* Release the swapchain's draw buffers. Make sure This->backBuffer[0] is
  50      * the last buffer to be destroyed, FindContext() depends on that. */
  51     if (This->frontBuffer)
  52     {
  53         IWineD3DSurface_SetContainer(This->frontBuffer, 0);
  54         if (IWineD3DSurface_Release(This->frontBuffer))
  55         {
  56             WARN("(%p) Something's still holding the front buffer (%p).\n",
  57                     This, This->frontBuffer);
  58         }
  59         This->frontBuffer = NULL;
  60     }
  61
  62     if (This->backBuffer)
  63     {
  64         UINT i = This->presentParms.BackBufferCount;
  65
  66         while (i--)
  67         {
  68             IWineD3DSurface_SetContainer(This->backBuffer[i], 0);
  69             if (IWineD3DSurface_Release(This->backBuffer[i]))
  70                 WARN("(%p) Something's still holding back buffer %u (%p).\n",
  71                         This, i, This->backBuffer[i]);
  72         }
  73         HeapFree(GetProcessHeap(), 0, This->backBuffer);
  74         This->backBuffer = NULL;
  75     }
  76
  77     for (i = 0; i < This->num_contexts; ++i)
  78     {
  79         context_destroy(This->device, This->context[i]);
  80     }
  81     /* Restore the screen resolution if we rendered in fullscreen
  82      * This will restore the screen resolution to what it was before creating the swapchain. In case of d3d8 and d3d9
  83      * this will be the original desktop resolution. In case of d3d7 this will be a NOP because ddraw sets the resolution
  84      * before starting up Direct3D, thus orig_width and orig_height will be equal to the modes in the presentation params
  85      */
  86     if(This->presentParms.Windowed == FALSE && This->presentParms.AutoRestoreDisplayMode) {
  87         mode.Width = This->orig_width;
  88         mode.Height = This->orig_height;
  89         mode.RefreshRate = 0;
  90         mode.Format = This->orig_fmt;
  91         IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)This->device, 0, &mode);
  92     }
  93
  94     HeapFree(GetProcessHeap(), 0, This->context);
  95     HeapFree(GetProcessHeap(), 0, This);
  96 }
  97
  98 /* A GL context is provided by the caller */
  99 static void swapchain_blit(IWineD3DSwapChainImpl *This, struct wined3d_context *context,
 100         const RECT *src_rect, const RECT *dst_rect)
 101 {
 102     IWineD3DDeviceImpl *device = This->device;
 103     IWineD3DSurfaceImpl *backbuffer = ((IWineD3DSurfaceImpl *) This->backBuffer[0]);
 104     UINT src_w = src_rect->right - src_rect->left;
 105     UINT src_h = src_rect->bottom - src_rect->top;
 106     GLenum gl_filter;
 107     const struct wined3d_gl_info *gl_info = context->gl_info;
 108
 109     TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
 110             This, context, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect));
 111
 112     if (src_w == dst_rect->right - dst_rect->left && src_h == dst_rect->bottom - dst_rect->top)
 113         gl_filter = GL_NEAREST;
 114     else
 115         gl_filter = GL_LINEAR;
 116
 117     if (gl_info->fbo_ops.glBlitFramebuffer)
 118     {
 119         ENTER_GL();
 120         context_bind_fbo(context, GL_READ_FRAMEBUFFER, &context->src_fbo);
 121         context_attach_surface_fbo(context, GL_READ_FRAMEBUFFER, 0, This->backBuffer[0]);
 122         context_attach_depth_stencil_fbo(context, GL_READ_FRAMEBUFFER, NULL, FALSE);
 123
 124         context_bind_fbo(context, GL_DRAW_FRAMEBUFFER, NULL);
 125         context_set_draw_buffer(context, GL_BACK);
 126
 127         glDisable(GL_SCISSOR_TEST);
 128         IWineD3DDeviceImpl_MarkStateDirty(This->device, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE));
 129
 130         /* Note that the texture is upside down */
 131         gl_info->fbo_ops.glBlitFramebuffer(src_rect->left, src_rect->top, src_rect->right, src_rect->bottom,
 132                                            dst_rect->left, dst_rect->bottom, dst_rect->right, dst_rect->top,
 133                                            GL_COLOR_BUFFER_BIT, gl_filter);
 134         checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
 135         LEAVE_GL();
 136     }
 137     else
 138     {
 139         struct wined3d_context *context2;
 140         float tex_left = src_rect->left;
 141         float tex_top = src_rect->top;
 142         float tex_right = src_rect->right;
 143         float tex_bottom = src_rect->bottom;
 144
 145         context2 = context_acquire(This->device, This->backBuffer[0], CTXUSAGE_BLIT);
 146
 147         if(backbuffer->Flags & SFLAG_NORMCOORD)
 148         {
 149             tex_left /= src_w;
 150             tex_right /= src_w;
 151             tex_top /= src_h;
 152             tex_bottom /= src_h;
 153         }
 154
 155         ENTER_GL();
 156         context_bind_fbo(context2, GL_DRAW_FRAMEBUFFER, NULL);
 157
 158         /* Set up the texture. The surface is not in a IWineD3D*Texture container,
 159          * so there are no d3d texture settings to dirtify
 160          */
 161         device->blitter->set_shader((IWineD3DDevice *) device, backbuffer->resource.format_desc,
 162                                     backbuffer->texture_target, backbuffer->pow2Width,
 163                                     backbuffer->pow2Height);
 164         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 165         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 166
 167         context_set_draw_buffer(context, GL_BACK);
 168
 169         /* Set the viewport to the destination rectandle, disable any projection
 170          * transformation set up by CTXUSAGE_BLIT, and draw a (-1,-1)-(1,1) quad.
 171          *
 172          * Back up viewport and matrix to avoid breaking last_was_blit
 173          *
 174          * Note that CTXUSAGE_BLIT set up viewport and ortho to match the surface
 175          * size - we want the GL drawable(=window) size.
 176          */
 177         glPushAttrib(GL_VIEWPORT_BIT);
 178         glViewport(dst_rect->left, dst_rect->top, dst_rect->right, dst_rect->bottom);
 179         glMatrixMode(GL_PROJECTION);
 180         glPushMatrix();
 181         glLoadIdentity();
 182
 183         glBegin(GL_QUADS);
 184             /* bottom left */
 185             glTexCoord2f(tex_left, tex_bottom);
 186             glVertex2i(-1, -1);
 187
 188             /* top left */
 189             glTexCoord2f(tex_left, tex_top);
 190             glVertex2i(-1, 1);
 191
 192             /* top right */
 193             glTexCoord2f(tex_right, tex_top);
 194             glVertex2i(1, 1);
 195
 196             /* bottom right */
 197             glTexCoord2f(tex_right, tex_bottom);
 198             glVertex2i(1, -1);
 199         glEnd();
 200
 201         glPopMatrix();
 202         glPopAttrib();
 203
 204         device->blitter->unset_shader((IWineD3DDevice *) device);
 205         checkGLcall("Swapchain present blit(manual)\n");
 206         LEAVE_GL();
 207
 208         context_release(context2);
 209     }
 210 }
 211
 212 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 213     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 214     struct wined3d_context *context;
 215     RECT src_rect, dst_rect;
 216     BOOL render_to_fbo;
 217     unsigned int sync;
 218     int retval;
 219
 220     IWineD3DSwapChain_SetDestWindowOverride(iface, hDestWindowOverride);
 221
 222     context = context_acquire(This->device, This->backBuffer[0], CTXUSAGE_RESOURCELOAD);
 223
 224     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 225     if (This->device->bCursorVisible && This->device->cursorTexture)
 226     {
 227         IWineD3DSurfaceImpl cursor;
 228         RECT destRect =
 229         {
 230             This->device->xScreenSpace - This->device->xHotSpot,
 231             This->device->yScreenSpace - This->device->yHotSpot,
 232             This->device->xScreenSpace + This->device->cursorWidth - This->device->xHotSpot,
 233             This->device->yScreenSpace + This->device->cursorHeight - This->device->yHotSpot,
 234         };
 235         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 236         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 237          * the application because we are only supposed to copy the information out. Using a fake surface
 238          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 239          */
 240         memset(&cursor, 0, sizeof(cursor));
 241         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 242         cursor.resource.ref = 1;
 243         cursor.resource.device = This->device;
 244         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 245         cursor.resource.format_desc = getFormatDescEntry(WINED3DFMT_B8G8R8A8_UNORM, context->gl_info);
 246         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 247         cursor.texture_name = This->device->cursorTexture;
 248         cursor.texture_target = GL_TEXTURE_2D;
 249         cursor.texture_level = 0;
 250         cursor.currentDesc.Width = This->device->cursorWidth;
 251         cursor.currentDesc.Height = This->device->cursorHeight;
 252         cursor.glRect.left = 0;
 253         cursor.glRect.top = 0;
 254         cursor.glRect.right = cursor.currentDesc.Width;
 255         cursor.glRect.bottom = cursor.currentDesc.Height;
 256         /* The cursor must have pow2 sizes */
 257         cursor.pow2Width = cursor.currentDesc.Width;
 258         cursor.pow2Height = cursor.currentDesc.Height;
 259         /* The surface is in the texture */
 260         cursor.Flags |= SFLAG_INTEXTURE;
 261         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 262          * which is exactly what we want :-)
 263          */
 264         if (This->presentParms.Windowed) {
 265             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 266         }
 267         IWineD3DSurface_Blt(This->backBuffer[0], &destRect, (IWineD3DSurface *)&cursor,
 268                 NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_POINT);
 269     }
 270
 271     if (This->device->logo_surface)
 272     {
 273         /* Blit the logo into the upper left corner of the drawable. */
 274         IWineD3DSurface_BltFast(This->backBuffer[0], 0, 0, This->device->logo_surface, NULL, WINEDDBLTFAST_SRCCOLORKEY);
 275     }
 276
 277     TRACE("Presenting HDC %p.\n", context->hdc);
 278
 279     render_to_fbo = This->render_to_fbo;
 280
 281     if (pSourceRect)
 282     {
 283         src_rect = *pSourceRect;
 284         if (!render_to_fbo && (src_rect.left || src_rect.top
 285                 || src_rect.right != This->presentParms.BackBufferWidth
 286                 || src_rect.bottom != This->presentParms.BackBufferHeight))
 287         {
 288             render_to_fbo = TRUE;
 289         }
 290     }
 291     else
 292     {
 293         src_rect.left = 0;
 294         src_rect.top = 0;
 295         src_rect.right = This->presentParms.BackBufferWidth;
 296         src_rect.bottom = This->presentParms.BackBufferHeight;
 297     }
 298
 299     if (pDestRect) dst_rect = *pDestRect;
 300     else GetClientRect(This->win_handle, &dst_rect);
 301
 302     if (!render_to_fbo && (dst_rect.left || dst_rect.top
 303             || dst_rect.right != This->presentParms.BackBufferWidth
 304             || dst_rect.bottom != This->presentParms.BackBufferHeight))
 305     {
 306         render_to_fbo = TRUE;
 307     }
 308
 309     /* Rendering to a window of different size, presenting partial rectangles,
 310      * or rendering to a different window needs help from FBO_blit or a textured
 311      * draw. Render the swapchain to a FBO in the future.
 312      *
 313      * Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
 314      * all these issues - this fails if the window is smaller than the backbuffer.
 315      */
 316     if (!This->render_to_fbo && render_to_fbo && wined3d_settings.offscreen_rendering_mode == ORM_FBO)
 317     {
 318         IWineD3DSurface_LoadLocation(This->backBuffer[0], SFLAG_INTEXTURE, NULL);
 319         IWineD3DSurface_ModifyLocation(This->backBuffer[0], SFLAG_INDRAWABLE, FALSE);
 320         This->render_to_fbo = TRUE;
 321
 322         /* Force the context manager to update the render target configuration next draw. */
 323         context->current_rt = NULL;
 324     }
 325
 326     if(This->render_to_fbo)
 327     {
 328         /* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
 329          * window size mismatch is impossible(fullscreen) and src and dst rectangles are
 330          * not allowed(they need the COPY swapeffect)
 331          *
 332          * The DISCARD swap effect is ok as well since any backbuffer content is allowed after
 333          * the swap
 334          */
 335         if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP )
 336         {
 337             FIXME("Render-to-fbo with WINED3DSWAPEFFECT_FLIP\n");
 338         }
 339
 340         swapchain_blit(This, context, &src_rect, &dst_rect);
 341     }
 342
 343     if (This->num_contexts > 1) wglFinish();
 344     SwapBuffers(context->hdc); /* TODO: cycle through the swapchain buffers */
 345
 346     TRACE("SwapBuffers called, Starting new frame\n");
 347     /* FPS support */
 348     if (TRACE_ON(fps))
 349     {
 350         DWORD time = GetTickCount();
 351         This->frames++;
 352         /* every 1.5 seconds */
 353         if (time - This->prev_time > 1500) {
 354             TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
 355             This->prev_time = time;
 356             This->frames = 0;
 357         }
 358     }
 359
 360 #if defined(FRAME_DEBUGGING)
 361 {
 362     if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
 363         if (!isOn) {
 364             isOn = TRUE;
 365             FIXME("Enabling D3D Trace\n");
 366             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
 367 #if defined(SHOW_FRAME_MAKEUP)
 368             FIXME("Singe Frame snapshots Starting\n");
 369             isDumpingFrames = TRUE;
 370             ENTER_GL();
 371             glClear(GL_COLOR_BUFFER_BIT);
 372             LEAVE_GL();
 373 #endif
 374
 375 #if defined(SINGLE_FRAME_DEBUGGING)
 376         } else {
 377 #if defined(SHOW_FRAME_MAKEUP)
 378             FIXME("Singe Frame snapshots Finishing\n");
 379             isDumpingFrames = FALSE;
 380 #endif
 381             FIXME("Singe Frame trace complete\n");
 382             DeleteFileA("C:\\D3DTRACE");
 383             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 384 #endif
 385         }
 386     } else {
 387         if (isOn) {
 388             isOn = FALSE;
 389 #if defined(SHOW_FRAME_MAKEUP)
 390             FIXME("Single Frame snapshots Finishing\n");
 391             isDumpingFrames = FALSE;
 392 #endif
 393             FIXME("Disabling D3D Trace\n");
 394             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 395         }
 396     }
 397 }
 398 #endif
 399
 400     /* This is disabled, but the code left in for debug purposes.
 401      *
 402      * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
 403      * we can clear it with some ugly color to make bad drawing visible and ease debugging.
 404      * The Debug runtime does the same on Windows. However, a few games do not redraw the
 405      * screen properly, like Max Payne 2, which leaves a few pixels undefined.
 406      *
 407      * Tests show that the content of the back buffer after a discard flip is indeed not
 408      * reliable, so no game can depend on the exact content. However, it resembles the
 409      * old contents in some way, for example by showing fragments at other locations. In
 410      * general, the color theme is still intact. So Max payne, which draws rather dark scenes
 411      * gets a dark background image. If we clear it with a bright ugly color, the game's
 412      * bug shows up much more than it does on Windows, and the players see single pixels
 413      * with wrong colors.
 414      * (The Max Payne bug has been confirmed on Windows with the debug runtime)
 415      */
 416     if (FALSE && This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
 417         TRACE("Clearing the color buffer with cyan color\n");
 418
 419         IWineD3DDevice_Clear((IWineD3DDevice *)This->device, 0, NULL,
 420                 WINED3DCLEAR_TARGET, 0xff00ffff, 1.0f, 0);
 421     }
 422
 423     if(!This->render_to_fbo &&
 424        ( ((IWineD3DSurfaceImpl *) This->frontBuffer)->Flags   & SFLAG_INSYSMEM ||
 425          ((IWineD3DSurfaceImpl *) This->backBuffer[0])->Flags & SFLAG_INSYSMEM ) ) {
 426         /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
 427          * Doesn't work with render_to_fbo because we're not flipping
 428          */
 429         IWineD3DSurfaceImpl *front = (IWineD3DSurfaceImpl *) This->frontBuffer;
 430         IWineD3DSurfaceImpl *back = (IWineD3DSurfaceImpl *) This->backBuffer[0];
 431
 432         if(front->resource.size == back->resource.size) {
 433             DWORD fbflags;
 434             flip_surface(front, back);
 435
 436             /* Tell the front buffer surface that is has been modified. However,
 437              * the other locations were preserved during that, so keep the flags.
 438              * This serves to update the emulated overlay, if any
 439              */
 440             fbflags = front->Flags;
 441             IWineD3DSurface_ModifyLocation(This->frontBuffer, SFLAG_INDRAWABLE, TRUE);
 442             front->Flags = fbflags;
 443         } else {
 444             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) front, SFLAG_INDRAWABLE, TRUE);
 445             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) back, SFLAG_INDRAWABLE, TRUE);
 446         }
 447     } else {
 448         IWineD3DSurface_ModifyLocation(This->frontBuffer, SFLAG_INDRAWABLE, TRUE);
 449         /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
 450          * and INTEXTURE copies can keep their old content if they have any defined content.
 451          * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
 452          * the texture / sysmem copy needs to be reloaded from the drawable
 453          */
 454         if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP) {
 455             IWineD3DSurface_ModifyLocation(This->backBuffer[0], SFLAG_INDRAWABLE, TRUE);
 456         }
 457     }
 458
 459     if (This->device->stencilBufferTarget)
 460     {
 461         if (This->presentParms.Flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
 462                 || ((IWineD3DSurfaceImpl *)This->device->stencilBufferTarget)->Flags & SFLAG_DISCARD)
 463         {
 464             surface_modify_ds_location(This->device->stencilBufferTarget, SFLAG_DS_DISCARDED);
 465         }
 466     }
 467
 468     if (This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE
 469             && context->gl_info->supported[SGI_VIDEO_SYNC])
 470     {
 471         retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
 472         if(retval != 0) {
 473             ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
 474         }
 475
 476         switch(This->presentParms.PresentationInterval) {
 477             case WINED3DPRESENT_INTERVAL_DEFAULT:
 478             case WINED3DPRESENT_INTERVAL_ONE:
 479                 if(sync <= This->vSyncCounter) {
 480                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
 481                 } else {
 482                     This->vSyncCounter = sync;
 483                 }
 484                 break;
 485             case WINED3DPRESENT_INTERVAL_TWO:
 486                 if(sync <= This->vSyncCounter + 1) {
 487                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
 488                 } else {
 489                     This->vSyncCounter = sync;
 490                 }
 491                 break;
 492             case WINED3DPRESENT_INTERVAL_THREE:
 493                 if(sync <= This->vSyncCounter + 2) {
 494                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
 495                 } else {
 496                     This->vSyncCounter = sync;
 497                 }
 498                 break;
 499             case WINED3DPRESENT_INTERVAL_FOUR:
 500                 if(sync <= This->vSyncCounter + 3) {
 501                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
 502                 } else {
 503                     This->vSyncCounter = sync;
 504                 }
 505                 break;
 506             default:
 507                 FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
 508         }
 509     }
 510
 511     context_release(context);
 512
 513     TRACE("returning\n");
 514     return WINED3D_OK;
 515 }
 516
 517 static HRESULT WINAPI IWineD3DSwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window) {
 518     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 519     WINED3DLOCKED_RECT r;
 520     BYTE *mem;
 521
 522     if (!window || window == This->win_handle) return WINED3D_OK;
 523
 524     TRACE("Performing dest override of swapchain %p from window %p to %p\n", This, This->win_handle, window);
 525     if (This->context[0] == This->device->contexts[0])
 526     {
 527         /* The primary context 'owns' all the opengl resources. Destroying and recreating that context requires downloading
 528          * all opengl resources, deleting the gl resources, destroying all other contexts, then recreating all other contexts
 529          * and reload the resources
 530          */
 531         delete_opengl_contexts((IWineD3DDevice *)This->device, iface);
 532         This->win_handle = window;
 533         create_primary_opengl_context((IWineD3DDevice *)This->device, iface);
 534     }
 535     else
 536     {
 537         This->win_handle = window;
 538
 539         /* The old back buffer has to be copied over to the new back buffer. A lockrect - switchcontext - unlockrect
 540          * would suffice in theory, but it is rather nasty and may cause troubles with future changes of the locking code
 541          * So lock read only, copy the surface out, then lock with the discard flag and write back
 542          */
 543         IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_READONLY);
 544         mem = HeapAlloc(GetProcessHeap(), 0, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 545         memcpy(mem, r.pBits, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 546         IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 547
 548         context_destroy(This->device, This->context[0]);
 549         This->context[0] = context_create(This->device, (IWineD3DSurfaceImpl *)This->frontBuffer,
 550                 This->win_handle, FALSE /* pbuffer */, &This->presentParms);
 551         context_release(This->context[0]);
 552
 553         IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_DISCARD);
 554         memcpy(r.pBits, mem, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 555         HeapFree(GetProcessHeap(), 0, mem);
 556         IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 557     }
 558     return WINED3D_OK;
 559 }
 560
 561 static const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 562 {
 563     /* IUnknown */
 564     IWineD3DBaseSwapChainImpl_QueryInterface,
 565     IWineD3DBaseSwapChainImpl_AddRef,
 566     IWineD3DBaseSwapChainImpl_Release,
 567     /* IWineD3DSwapChain */
 568     IWineD3DBaseSwapChainImpl_GetParent,
 569     IWineD3DSwapChainImpl_Destroy,
 570     IWineD3DBaseSwapChainImpl_GetDevice,
 571     IWineD3DSwapChainImpl_Present,
 572     IWineD3DSwapChainImpl_SetDestWindowOverride,
 573     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 574     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 575     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 576     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 577     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 578     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 579     IWineD3DBaseSwapChainImpl_GetGammaRamp
 580 };
 581
 582 static LONG fullscreen_style(LONG style)
 583 {
 584     /* Make sure the window is managed, otherwise we won't get keyboard input. */
 585     style |= WS_POPUP | WS_SYSMENU;
 586     style &= ~(WS_CAPTION | WS_THICKFRAME);
 587
 588     return style;
 589 }
 590
 591 static LONG fullscreen_exstyle(LONG exstyle)
 592 {
 593     /* Filter out window decorations. */
 594     exstyle &= ~(WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
 595
 596     return exstyle;
 597 }
 598
 599 void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w, UINT h)
 600 {
 601     IWineD3DDeviceImpl *device = swapchain->device;
 602     HWND window = swapchain->win_handle;
 603     BOOL filter_messages;
 604     LONG style, exstyle;
 605
 606     TRACE("Setting up window %p for fullscreen mode.\n", window);
 607
 608     if (device->style || device->exStyle)
 609     {
 610         ERR("Changing the window style for window %p, but another style (%08x, %08x) is already stored.\n",
 611                 window, device->style, device->exStyle);
 612     }
 613
 614     device->style = GetWindowLongW(window, GWL_STYLE);
 615     device->exStyle = GetWindowLongW(window, GWL_EXSTYLE);
 616
 617     style = fullscreen_style(device->style);
 618     exstyle = fullscreen_exstyle(device->exStyle);
 619
 620     TRACE("Old style was %08x, %08x, setting to %08x, %08x.\n",
 621             device->style, device->exStyle, style, exstyle);
 622
 623     filter_messages = device->filter_messages;
 624     device->filter_messages = TRUE;
 625
 626     SetWindowLongW(window, GWL_STYLE, style);
 627     SetWindowLongW(window, GWL_EXSTYLE, exstyle);
 628     SetWindowPos(window, HWND_TOP, 0, 0, w, h, SWP_FRAMECHANGED | SWP_SHOWWINDOW | SWP_NOACTIVATE);
 629
 630     device->filter_messages = filter_messages;
 631 }
 632
 633 void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain)
 634 {
 635     IWineD3DDeviceImpl *device = swapchain->device;
 636     HWND window = swapchain->win_handle;
 637     BOOL filter_messages;
 638     LONG style, exstyle;
 639
 640     if (!device->style && !device->exStyle) return;
 641
 642     TRACE("Restoring window style of window %p to %08x, %08x.\n",
 643             window, device->style, device->exStyle);
 644
 645     style = GetWindowLongW(window, GWL_STYLE);
 646     exstyle = GetWindowLongW(window, GWL_EXSTYLE);
 647
 648     filter_messages = device->filter_messages;
 649     device->filter_messages = TRUE;
 650
 651     /* Only restore the style if the application didn't modify it during the
 652      * fullscreen phase. Some applications change it before calling Reset()
 653      * when switching between windowed and fullscreen modes (HL2), some
 654      * depend on the original style (Eve Online). */
 655     if (style == fullscreen_style(device->style) && exstyle == fullscreen_exstyle(device->exStyle))
 656     {
 657         SetWindowLongW(window, GWL_STYLE, device->style);
 658         SetWindowLongW(window, GWL_EXSTYLE, device->exStyle);
 659     }
 660     SetWindowPos(window, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
 661
 662     device->filter_messages = filter_messages;
 663
 664     /* Delete the old values. */
 665     device->style = 0;
 666     device->exStyle = 0;
 667 }
 668
 669
 670 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
 671         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, IUnknown *parent)
 672 {
 673     const struct wined3d_adapter *adapter = device->adapter;
 674     const struct GlPixelFormatDesc *format_desc;
 675     BOOL displaymode_set = FALSE;
 676     WINED3DDISPLAYMODE mode;
 677     RECT client_rect;
 678     HWND window;
 679     HRESULT hr;
 680     UINT i;
 681
 682     if (present_parameters->BackBufferCount > WINED3DPRESENT_BACK_BUFFER_MAX)
 683     {
 684         FIXME("The application requested %u back buffers, this is not supported.\n",
 685                 present_parameters->BackBufferCount);
 686         return WINED3DERR_INVALIDCALL;
 687     }
 688
 689     if (present_parameters->BackBufferCount > 1)
 690     {
 691         FIXME("The application requested more than one back buffer, this is not properly supported.\n"
 692                 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
 693     }
 694
 695     switch (surface_type)
 696     {
 697         case SURFACE_GDI:
 698             swapchain->lpVtbl = &IWineGDISwapChain_Vtbl;
 699             break;
 700
 701         case SURFACE_OPENGL:
 702             swapchain->lpVtbl = &IWineD3DSwapChain_Vtbl;
 703             break;
 704
 705         case SURFACE_UNKNOWN:
 706             FIXME("Caller tried to create a SURFACE_UNKNOWN swapchain.\n");
 707             return WINED3DERR_INVALIDCALL;
 708     }
 709
 710     window = present_parameters->hDeviceWindow ? present_parameters->hDeviceWindow : device->createParms.hFocusWindow;
 711
 712     swapchain->device = device;
 713     swapchain->parent = parent;
 714     swapchain->ref = 1;
 715     swapchain->win_handle = window;
 716
 717     if (!present_parameters->Windowed && window)
 718     {
 719         swapchain_setup_fullscreen_window(swapchain, present_parameters->BackBufferWidth,
 720                 present_parameters->BackBufferHeight);
 721     }
 722
 723     IWineD3D_GetAdapterDisplayMode(device->wined3d, adapter->ordinal, &mode);
 724     swapchain->orig_width = mode.Width;
 725     swapchain->orig_height = mode.Height;
 726     swapchain->orig_fmt = mode.Format;
 727     format_desc = getFormatDescEntry(mode.Format, &adapter->gl_info);
 728
 729     GetClientRect(window, &client_rect);
 730     if (present_parameters->Windowed
 731             && (!present_parameters->BackBufferWidth || !present_parameters->BackBufferHeight
 732             || present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN))
 733     {
 734
 735         if (!present_parameters->BackBufferWidth)
 736         {
 737             present_parameters->BackBufferWidth = client_rect.right;
 738             TRACE("Updating width to %u.\n", present_parameters->BackBufferWidth);
 739         }
 740
 741         if (!present_parameters->BackBufferHeight)
 742         {
 743             present_parameters->BackBufferHeight = client_rect.bottom;
 744             TRACE("Updating height to %u.\n", present_parameters->BackBufferHeight);
 745         }
 746
 747         if (present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN)
 748         {
 749             present_parameters->BackBufferFormat = swapchain->orig_fmt;
 750             TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
 751         }
 752     }
 753     swapchain->presentParms = *present_parameters;
 754
 755     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
 756             && present_parameters->BackBufferCount
 757             && (present_parameters->BackBufferWidth != client_rect.right
 758             || present_parameters->BackBufferHeight != client_rect.bottom))
 759     {
 760         TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u.\n",
 761                 present_parameters->BackBufferWidth,
 762                 present_parameters->BackBufferHeight,
 763                 client_rect.right, client_rect.bottom);
 764         swapchain->render_to_fbo = TRUE;
 765     }
 766
 767     TRACE("Creating front buffer.\n");
 768     hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 769             swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 770             swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 771             swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */, &swapchain->frontBuffer);
 772     if (FAILED(hr))
 773     {
 774         WARN("Failed to create front buffer, hr %#x.\n", hr);
 775         goto err;
 776     }
 777
 778     IWineD3DSurface_SetContainer(swapchain->frontBuffer, (IWineD3DBase *)swapchain);
 779     ((IWineD3DSurfaceImpl *)swapchain->frontBuffer)->Flags |= SFLAG_SWAPCHAIN;
 780     if (surface_type == SURFACE_OPENGL)
 781     {
 782         IWineD3DSurface_ModifyLocation(swapchain->frontBuffer, SFLAG_INDRAWABLE, TRUE);
 783     }
 784
 785     /* MSDN says we're only allowed a single fullscreen swapchain per device,
 786      * so we should really check to see if there is a fullscreen swapchain
 787      * already. Does a single head count as full screen? */
 788
 789     if (!present_parameters->Windowed)
 790     {
 791         WINED3DDISPLAYMODE mode;
 792
 793         /* Change the display settings */
 794         mode.Width = present_parameters->BackBufferWidth;
 795         mode.Height = present_parameters->BackBufferHeight;
 796         mode.Format = present_parameters->BackBufferFormat;
 797         mode.RefreshRate = present_parameters->FullScreen_RefreshRateInHz;
 798
 799         hr = IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)device, 0, &mode);
 800         if (FAILED(hr))
 801         {
 802             WARN("Failed to set display mode, hr %#x.\n", hr);
 803             goto err;
 804         }
 805         displaymode_set = TRUE;
 806     }
 807
 808     swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(swapchain->context));
 809     if (!swapchain->context)
 810     {
 811         ERR("Failed to create the context array.\n");
 812         hr = E_OUTOFMEMORY;
 813         goto err;
 814     }
 815     swapchain->num_contexts = 1;
 816
 817     if (surface_type == SURFACE_OPENGL)
 818     {
 819         swapchain->context[0] = context_create(device, (IWineD3DSurfaceImpl *)swapchain->frontBuffer,
 820                 window, FALSE /* pbuffer */, present_parameters);
 821         if (!swapchain->context[0])
 822         {
 823             WARN("Failed to create context.\n");
 824             hr = WINED3DERR_NOTAVAILABLE;
 825             goto err;
 826         }
 827         context_release(swapchain->context[0]);
 828     }
 829     else
 830     {
 831         swapchain->context[0] = NULL;
 832     }
 833
 834     if (swapchain->presentParms.BackBufferCount > 0)
 835     {
 836         swapchain->backBuffer = HeapAlloc(GetProcessHeap(), 0,
 837                 sizeof(*swapchain->backBuffer) * swapchain->presentParms.BackBufferCount);
 838         if (!swapchain->backBuffer)
 839         {
 840             ERR("Failed to allocate backbuffer array memory.\n");
 841             hr = E_OUTOFMEMORY;
 842             goto err;
 843         }
 844
 845         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 846         {
 847             TRACE("Creating back buffer %u.\n", i);
 848             hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 849                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 850                     swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 851                     swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */, &swapchain->backBuffer[i]);
 852             if (FAILED(hr))
 853             {
 854                 WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
 855                 goto err;
 856             }
 857
 858             IWineD3DSurface_SetContainer(swapchain->backBuffer[i], (IWineD3DBase *)swapchain);
 859             ((IWineD3DSurfaceImpl *)swapchain->backBuffer[i])->Flags |= SFLAG_SWAPCHAIN;
 860         }
 861     }
 862
 863     /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
 864     if (present_parameters->EnableAutoDepthStencil && surface_type == SURFACE_OPENGL)
 865     {
 866         TRACE("Creating depth/stencil buffer.\n");
 867         if (!device->auto_depth_stencil_buffer)
 868         {
 869             hr = IWineD3DDeviceParent_CreateDepthStencilSurface(device->device_parent, parent,
 870                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 871                     swapchain->presentParms.AutoDepthStencilFormat, swapchain->presentParms.MultiSampleType,
 872                     swapchain->presentParms.MultiSampleQuality, FALSE /* FIXME: Discard */,
 873                     &device->auto_depth_stencil_buffer);
 874             if (FAILED(hr))
 875             {
 876                 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
 877                 goto err;
 878             }
 879
 880             IWineD3DSurface_SetContainer(device->auto_depth_stencil_buffer, NULL);
 881         }
 882     }
 883
 884     IWineD3DSwapChain_GetGammaRamp((IWineD3DSwapChain *)swapchain, &swapchain->orig_gamma);
 885
 886     return WINED3D_OK;
 887
 888 err:
 889     if (displaymode_set)
 890     {
 891         DEVMODEW devmode;
 892
 893         ClipCursor(NULL);
 894
 895         /* Change the display settings */
 896         memset(&devmode, 0, sizeof(devmode));
 897         devmode.dmSize = sizeof(devmode);
 898         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 899         devmode.dmBitsPerPel = format_desc->byte_count * 8;
 900         devmode.dmPelsWidth = swapchain->orig_width;
 901         devmode.dmPelsHeight = swapchain->orig_height;
 902         ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
 903     }
 904
 905     if (swapchain->backBuffer)
 906     {
 907         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 908         {
 909             if (swapchain->backBuffer[i]) IWineD3DSurface_Release(swapchain->backBuffer[i]);
 910         }
 911         HeapFree(GetProcessHeap(), 0, swapchain->backBuffer);
 912     }
 913
 914     if (swapchain->context)
 915     {
 916         if (swapchain->context[0])
 917         {
 918             context_release(swapchain->context[0]);
 919             context_destroy(device, swapchain->context[0]);
 920             swapchain->num_contexts = 0;
 921         }
 922         HeapFree(GetProcessHeap(), 0, swapchain->context);
 923     }
 924
 925     if (swapchain->frontBuffer) IWineD3DSurface_Release(swapchain->frontBuffer);
 926
 927     return hr;
 928 }
 929
 930 struct wined3d_context *swapchain_create_context_for_thread(IWineD3DSwapChain *iface)
 931 {
 932     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *) iface;
 933     struct wined3d_context **newArray;
 934     struct wined3d_context *ctx;
 935
 936     TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
 937
 938     ctx = context_create(This->device, (IWineD3DSurfaceImpl *)This->frontBuffer,
 939             This->context[0]->win_handle, FALSE /* pbuffer */, &This->presentParms);
 940     if (!ctx)
 941     {
 942         ERR("Failed to create a new context for the swapchain\n");
 943         return NULL;
 944     }
 945     context_release(ctx);
 946
 947     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * This->num_contexts + 1);
 948     if(!newArray) {
 949         ERR("Out of memory when trying to allocate a new context array\n");
 950         context_destroy(This->device, ctx);
 951         return NULL;
 952     }
 953     memcpy(newArray, This->context, sizeof(*newArray) * This->num_contexts);
 954     HeapFree(GetProcessHeap(), 0, This->context);
 955     newArray[This->num_contexts] = ctx;
 956     This->context = newArray;
 957     This->num_contexts++;
 958
 959     TRACE("Returning context %p\n", ctx);
 960     return ctx;
 961 }
 962
 963 void get_drawable_size_swapchain(struct wined3d_context *context, UINT *width, UINT *height)
 964 {
 965     IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)context->current_rt;
 966     /* The drawable size of an onscreen drawable is the surface size.
 967      * (Actually: The window size, but the surface is created in window size) */
 968     *width = surface->currentDesc.Width;
 969     *height = surface->currentDesc.Height;
 970 }