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 2007-2008 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 {
 519     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 520
 521     if (!window) window = swapchain->device_window;
 522     if (window == swapchain->win_handle) return WINED3D_OK;
 523
 524     TRACE("Setting swapchain %p window from %p to %p\n", swapchain, swapchain->win_handle, window);
 525     swapchain->win_handle = window;
 526
 527     return WINED3D_OK;
 528 }
 529
 530 static const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 531 {
 532     /* IUnknown */
 533     IWineD3DBaseSwapChainImpl_QueryInterface,
 534     IWineD3DBaseSwapChainImpl_AddRef,
 535     IWineD3DBaseSwapChainImpl_Release,
 536     /* IWineD3DSwapChain */
 537     IWineD3DBaseSwapChainImpl_GetParent,
 538     IWineD3DSwapChainImpl_Destroy,
 539     IWineD3DBaseSwapChainImpl_GetDevice,
 540     IWineD3DSwapChainImpl_Present,
 541     IWineD3DSwapChainImpl_SetDestWindowOverride,
 542     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 543     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 544     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 545     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 546     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 547     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 548     IWineD3DBaseSwapChainImpl_GetGammaRamp
 549 };
 550
 551 static LONG fullscreen_style(LONG style)
 552 {
 553     /* Make sure the window is managed, otherwise we won't get keyboard input. */
 554     style |= WS_POPUP | WS_SYSMENU;
 555     style &= ~(WS_CAPTION | WS_THICKFRAME);
 556
 557     return style;
 558 }
 559
 560 static LONG fullscreen_exstyle(LONG exstyle)
 561 {
 562     /* Filter out window decorations. */
 563     exstyle &= ~(WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
 564
 565     return exstyle;
 566 }
 567
 568 void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w, UINT h)
 569 {
 570     IWineD3DDeviceImpl *device = swapchain->device;
 571     HWND window = swapchain->device_window;
 572     BOOL filter_messages;
 573     LONG style, exstyle;
 574
 575     TRACE("Setting up window %p for fullscreen mode.\n", window);
 576
 577     if (device->style || device->exStyle)
 578     {
 579         ERR("Changing the window style for window %p, but another style (%08x, %08x) is already stored.\n",
 580                 window, device->style, device->exStyle);
 581     }
 582
 583     device->style = GetWindowLongW(window, GWL_STYLE);
 584     device->exStyle = GetWindowLongW(window, GWL_EXSTYLE);
 585
 586     style = fullscreen_style(device->style);
 587     exstyle = fullscreen_exstyle(device->exStyle);
 588
 589     TRACE("Old style was %08x, %08x, setting to %08x, %08x.\n",
 590             device->style, device->exStyle, style, exstyle);
 591
 592     filter_messages = device->filter_messages;
 593     device->filter_messages = TRUE;
 594
 595     SetWindowLongW(window, GWL_STYLE, style);
 596     SetWindowLongW(window, GWL_EXSTYLE, exstyle);
 597     SetWindowPos(window, HWND_TOP, 0, 0, w, h, SWP_FRAMECHANGED | SWP_SHOWWINDOW | SWP_NOACTIVATE);
 598
 599     device->filter_messages = filter_messages;
 600 }
 601
 602 void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain)
 603 {
 604     IWineD3DDeviceImpl *device = swapchain->device;
 605     HWND window = swapchain->device_window;
 606     BOOL filter_messages;
 607     LONG style, exstyle;
 608
 609     if (!device->style && !device->exStyle) return;
 610
 611     TRACE("Restoring window style of window %p to %08x, %08x.\n",
 612             window, device->style, device->exStyle);
 613
 614     style = GetWindowLongW(window, GWL_STYLE);
 615     exstyle = GetWindowLongW(window, GWL_EXSTYLE);
 616
 617     filter_messages = device->filter_messages;
 618     device->filter_messages = TRUE;
 619
 620     /* Only restore the style if the application didn't modify it during the
 621      * fullscreen phase. Some applications change it before calling Reset()
 622      * when switching between windowed and fullscreen modes (HL2), some
 623      * depend on the original style (Eve Online). */
 624     if (style == fullscreen_style(device->style) && exstyle == fullscreen_exstyle(device->exStyle))
 625     {
 626         SetWindowLongW(window, GWL_STYLE, device->style);
 627         SetWindowLongW(window, GWL_EXSTYLE, device->exStyle);
 628     }
 629     SetWindowPos(window, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
 630
 631     device->filter_messages = filter_messages;
 632
 633     /* Delete the old values. */
 634     device->style = 0;
 635     device->exStyle = 0;
 636 }
 637
 638
 639 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
 640         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, IUnknown *parent)
 641 {
 642     const struct wined3d_adapter *adapter = device->adapter;
 643     const struct GlPixelFormatDesc *format_desc;
 644     BOOL displaymode_set = FALSE;
 645     WINED3DDISPLAYMODE mode;
 646     RECT client_rect;
 647     HWND window;
 648     HRESULT hr;
 649     UINT i;
 650
 651     if (present_parameters->BackBufferCount > WINED3DPRESENT_BACK_BUFFER_MAX)
 652     {
 653         FIXME("The application requested %u back buffers, this is not supported.\n",
 654                 present_parameters->BackBufferCount);
 655         return WINED3DERR_INVALIDCALL;
 656     }
 657
 658     if (present_parameters->BackBufferCount > 1)
 659     {
 660         FIXME("The application requested more than one back buffer, this is not properly supported.\n"
 661                 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
 662     }
 663
 664     switch (surface_type)
 665     {
 666         case SURFACE_GDI:
 667             swapchain->lpVtbl = &IWineGDISwapChain_Vtbl;
 668             break;
 669
 670         case SURFACE_OPENGL:
 671             swapchain->lpVtbl = &IWineD3DSwapChain_Vtbl;
 672             break;
 673
 674         case SURFACE_UNKNOWN:
 675             FIXME("Caller tried to create a SURFACE_UNKNOWN swapchain.\n");
 676             return WINED3DERR_INVALIDCALL;
 677     }
 678
 679     window = present_parameters->hDeviceWindow ? present_parameters->hDeviceWindow : device->createParms.hFocusWindow;
 680
 681     swapchain->device = device;
 682     swapchain->parent = parent;
 683     swapchain->ref = 1;
 684     swapchain->win_handle = window;
 685     swapchain->device_window = window;
 686
 687     if (!present_parameters->Windowed && window)
 688     {
 689         swapchain_setup_fullscreen_window(swapchain, present_parameters->BackBufferWidth,
 690                 present_parameters->BackBufferHeight);
 691     }
 692
 693     IWineD3D_GetAdapterDisplayMode(device->wined3d, adapter->ordinal, &mode);
 694     swapchain->orig_width = mode.Width;
 695     swapchain->orig_height = mode.Height;
 696     swapchain->orig_fmt = mode.Format;
 697     format_desc = getFormatDescEntry(mode.Format, &adapter->gl_info);
 698
 699     GetClientRect(window, &client_rect);
 700     if (present_parameters->Windowed
 701             && (!present_parameters->BackBufferWidth || !present_parameters->BackBufferHeight
 702             || present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN))
 703     {
 704
 705         if (!present_parameters->BackBufferWidth)
 706         {
 707             present_parameters->BackBufferWidth = client_rect.right;
 708             TRACE("Updating width to %u.\n", present_parameters->BackBufferWidth);
 709         }
 710
 711         if (!present_parameters->BackBufferHeight)
 712         {
 713             present_parameters->BackBufferHeight = client_rect.bottom;
 714             TRACE("Updating height to %u.\n", present_parameters->BackBufferHeight);
 715         }
 716
 717         if (present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN)
 718         {
 719             present_parameters->BackBufferFormat = swapchain->orig_fmt;
 720             TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
 721         }
 722     }
 723     swapchain->presentParms = *present_parameters;
 724
 725     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
 726             && present_parameters->BackBufferCount
 727             && (present_parameters->BackBufferWidth != client_rect.right
 728             || present_parameters->BackBufferHeight != client_rect.bottom))
 729     {
 730         TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u.\n",
 731                 present_parameters->BackBufferWidth,
 732                 present_parameters->BackBufferHeight,
 733                 client_rect.right, client_rect.bottom);
 734         swapchain->render_to_fbo = TRUE;
 735     }
 736
 737     TRACE("Creating front buffer.\n");
 738     hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 739             swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 740             swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 741             swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */, &swapchain->frontBuffer);
 742     if (FAILED(hr))
 743     {
 744         WARN("Failed to create front buffer, hr %#x.\n", hr);
 745         goto err;
 746     }
 747
 748     IWineD3DSurface_SetContainer(swapchain->frontBuffer, (IWineD3DBase *)swapchain);
 749     ((IWineD3DSurfaceImpl *)swapchain->frontBuffer)->Flags |= SFLAG_SWAPCHAIN;
 750     if (surface_type == SURFACE_OPENGL)
 751     {
 752         IWineD3DSurface_ModifyLocation(swapchain->frontBuffer, SFLAG_INDRAWABLE, TRUE);
 753     }
 754
 755     /* MSDN says we're only allowed a single fullscreen swapchain per device,
 756      * so we should really check to see if there is a fullscreen swapchain
 757      * already. Does a single head count as full screen? */
 758
 759     if (!present_parameters->Windowed)
 760     {
 761         WINED3DDISPLAYMODE mode;
 762
 763         /* Change the display settings */
 764         mode.Width = present_parameters->BackBufferWidth;
 765         mode.Height = present_parameters->BackBufferHeight;
 766         mode.Format = present_parameters->BackBufferFormat;
 767         mode.RefreshRate = present_parameters->FullScreen_RefreshRateInHz;
 768
 769         hr = IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)device, 0, &mode);
 770         if (FAILED(hr))
 771         {
 772             WARN("Failed to set display mode, hr %#x.\n", hr);
 773             goto err;
 774         }
 775         displaymode_set = TRUE;
 776     }
 777
 778     swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(swapchain->context));
 779     if (!swapchain->context)
 780     {
 781         ERR("Failed to create the context array.\n");
 782         hr = E_OUTOFMEMORY;
 783         goto err;
 784     }
 785     swapchain->num_contexts = 1;
 786
 787     if (surface_type == SURFACE_OPENGL)
 788     {
 789         if (!(swapchain->context[0] = context_create(swapchain, (IWineD3DSurfaceImpl *)swapchain->frontBuffer)))
 790         {
 791             WARN("Failed to create context.\n");
 792             hr = WINED3DERR_NOTAVAILABLE;
 793             goto err;
 794         }
 795         context_release(swapchain->context[0]);
 796     }
 797     else
 798     {
 799         swapchain->context[0] = NULL;
 800     }
 801
 802     if (swapchain->presentParms.BackBufferCount > 0)
 803     {
 804         swapchain->backBuffer = HeapAlloc(GetProcessHeap(), 0,
 805                 sizeof(*swapchain->backBuffer) * swapchain->presentParms.BackBufferCount);
 806         if (!swapchain->backBuffer)
 807         {
 808             ERR("Failed to allocate backbuffer array memory.\n");
 809             hr = E_OUTOFMEMORY;
 810             goto err;
 811         }
 812
 813         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 814         {
 815             TRACE("Creating back buffer %u.\n", i);
 816             hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 817                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 818                     swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 819                     swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */, &swapchain->backBuffer[i]);
 820             if (FAILED(hr))
 821             {
 822                 WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
 823                 goto err;
 824             }
 825
 826             IWineD3DSurface_SetContainer(swapchain->backBuffer[i], (IWineD3DBase *)swapchain);
 827             ((IWineD3DSurfaceImpl *)swapchain->backBuffer[i])->Flags |= SFLAG_SWAPCHAIN;
 828         }
 829     }
 830
 831     /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
 832     if (present_parameters->EnableAutoDepthStencil && surface_type == SURFACE_OPENGL)
 833     {
 834         TRACE("Creating depth/stencil buffer.\n");
 835         if (!device->auto_depth_stencil_buffer)
 836         {
 837             hr = IWineD3DDeviceParent_CreateDepthStencilSurface(device->device_parent, parent,
 838                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 839                     swapchain->presentParms.AutoDepthStencilFormat, swapchain->presentParms.MultiSampleType,
 840                     swapchain->presentParms.MultiSampleQuality, FALSE /* FIXME: Discard */,
 841                     &device->auto_depth_stencil_buffer);
 842             if (FAILED(hr))
 843             {
 844                 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
 845                 goto err;
 846             }
 847
 848             IWineD3DSurface_SetContainer(device->auto_depth_stencil_buffer, NULL);
 849         }
 850     }
 851
 852     IWineD3DSwapChain_GetGammaRamp((IWineD3DSwapChain *)swapchain, &swapchain->orig_gamma);
 853
 854     return WINED3D_OK;
 855
 856 err:
 857     if (displaymode_set)
 858     {
 859         DEVMODEW devmode;
 860
 861         ClipCursor(NULL);
 862
 863         /* Change the display settings */
 864         memset(&devmode, 0, sizeof(devmode));
 865         devmode.dmSize = sizeof(devmode);
 866         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 867         devmode.dmBitsPerPel = format_desc->byte_count * 8;
 868         devmode.dmPelsWidth = swapchain->orig_width;
 869         devmode.dmPelsHeight = swapchain->orig_height;
 870         ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
 871     }
 872
 873     if (swapchain->backBuffer)
 874     {
 875         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 876         {
 877             if (swapchain->backBuffer[i]) IWineD3DSurface_Release(swapchain->backBuffer[i]);
 878         }
 879         HeapFree(GetProcessHeap(), 0, swapchain->backBuffer);
 880     }
 881
 882     if (swapchain->context)
 883     {
 884         if (swapchain->context[0])
 885         {
 886             context_release(swapchain->context[0]);
 887             context_destroy(device, swapchain->context[0]);
 888             swapchain->num_contexts = 0;
 889         }
 890         HeapFree(GetProcessHeap(), 0, swapchain->context);
 891     }
 892
 893     if (swapchain->frontBuffer) IWineD3DSurface_Release(swapchain->frontBuffer);
 894
 895     return hr;
 896 }
 897
 898 struct wined3d_context *swapchain_create_context_for_thread(IWineD3DSwapChain *iface)
 899 {
 900     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *) iface;
 901     struct wined3d_context **newArray;
 902     struct wined3d_context *ctx;
 903
 904     TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
 905
 906     if (!(ctx = context_create(This, (IWineD3DSurfaceImpl *)This->frontBuffer)))
 907     {
 908         ERR("Failed to create a new context for the swapchain\n");
 909         return NULL;
 910     }
 911     context_release(ctx);
 912
 913     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * This->num_contexts + 1);
 914     if(!newArray) {
 915         ERR("Out of memory when trying to allocate a new context array\n");
 916         context_destroy(This->device, ctx);
 917         return NULL;
 918     }
 919     memcpy(newArray, This->context, sizeof(*newArray) * This->num_contexts);
 920     HeapFree(GetProcessHeap(), 0, This->context);
 921     newArray[This->num_contexts] = ctx;
 922     This->context = newArray;
 923     This->num_contexts++;
 924
 925     TRACE("Returning context %p\n", ctx);
 926     return ctx;
 927 }
 928
 929 void get_drawable_size_swapchain(struct wined3d_context *context, UINT *width, UINT *height)
 930 {
 931     IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)context->current_rt;
 932     /* The drawable size of an onscreen drawable is the surface size.
 933      * (Actually: The window size, but the surface is created in window size) */
 934     *width = surface->currentDesc.Width;
 935     *height = surface->currentDesc.Height;
 936 }