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