git.oblomov.eu Git - wine/blob - dlls/wined3d/swapchain.c

   1 /*
   2  *IDirect3DSwapChain9 implementation
   3  *
   4  *Copyright 2002-2003 Jason Edmeades
   5  *Copyright 2002-2003 Raphael Junqueira
   6  *Copyright 2005 Oliver Stieber
   7  *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 && is_identity_fixup(backbuffer->resource.format_desc->color_fixup))
 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         if (is_complex_fixup(backbuffer->resource.format_desc->color_fixup))
 156             gl_filter = GL_NEAREST;
 157
 158         ENTER_GL();
 159         context_bind_fbo(context2, GL_DRAW_FRAMEBUFFER, NULL);
 160
 161         /* Set up the texture. The surface is not in a IWineD3D*Texture container,
 162          * so there are no d3d texture settings to dirtify
 163          */
 164         device->blitter->set_shader((IWineD3DDevice *) device, backbuffer->resource.format_desc,
 165                                     backbuffer->texture_target, backbuffer->pow2Width,
 166                                     backbuffer->pow2Height);
 167         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MIN_FILTER, gl_filter);
 168         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MAG_FILTER, gl_filter);
 169
 170         context_set_draw_buffer(context, GL_BACK);
 171
 172         /* Set the viewport to the destination rectandle, disable any projection
 173          * transformation set up by CTXUSAGE_BLIT, and draw a (-1,-1)-(1,1) quad.
 174          *
 175          * Back up viewport and matrix to avoid breaking last_was_blit
 176          *
 177          * Note that CTXUSAGE_BLIT set up viewport and ortho to match the surface
 178          * size - we want the GL drawable(=window) size.
 179          */
 180         glPushAttrib(GL_VIEWPORT_BIT);
 181         glViewport(dst_rect->left, dst_rect->top, dst_rect->right, dst_rect->bottom);
 182         glMatrixMode(GL_PROJECTION);
 183         glPushMatrix();
 184         glLoadIdentity();
 185
 186         glBegin(GL_QUADS);
 187             /* bottom left */
 188             glTexCoord2f(tex_left, tex_bottom);
 189             glVertex2i(-1, -1);
 190
 191             /* top left */
 192             glTexCoord2f(tex_left, tex_top);
 193             glVertex2i(-1, 1);
 194
 195             /* top right */
 196             glTexCoord2f(tex_right, tex_top);
 197             glVertex2i(1, 1);
 198
 199             /* bottom right */
 200             glTexCoord2f(tex_right, tex_bottom);
 201             glVertex2i(1, -1);
 202         glEnd();
 203
 204         glPopMatrix();
 205         glPopAttrib();
 206
 207         device->blitter->unset_shader((IWineD3DDevice *) device);
 208         checkGLcall("Swapchain present blit(manual)\n");
 209         LEAVE_GL();
 210
 211         context_release(context2);
 212     }
 213 }
 214
 215 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 216     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 217     struct wined3d_context *context;
 218     RECT src_rect, dst_rect;
 219     BOOL render_to_fbo;
 220     unsigned int sync;
 221     int retval;
 222
 223     IWineD3DSwapChain_SetDestWindowOverride(iface, hDestWindowOverride);
 224
 225     context = context_acquire(This->device, This->backBuffer[0], CTXUSAGE_RESOURCELOAD);
 226     if (!context->valid)
 227     {
 228         context_release(context);
 229         WARN("Invalid context, skipping present.\n");
 230         return WINED3D_OK;
 231     }
 232
 233     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 234     if (This->device->bCursorVisible && This->device->cursorTexture)
 235     {
 236         IWineD3DSurfaceImpl cursor;
 237         RECT destRect =
 238         {
 239             This->device->xScreenSpace - This->device->xHotSpot,
 240             This->device->yScreenSpace - This->device->yHotSpot,
 241             This->device->xScreenSpace + This->device->cursorWidth - This->device->xHotSpot,
 242             This->device->yScreenSpace + This->device->cursorHeight - This->device->yHotSpot,
 243         };
 244         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 245         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 246          * the application because we are only supposed to copy the information out. Using a fake surface
 247          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 248          */
 249         memset(&cursor, 0, sizeof(cursor));
 250         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 251         cursor.resource.ref = 1;
 252         cursor.resource.device = This->device;
 253         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 254         cursor.resource.format_desc = getFormatDescEntry(WINED3DFMT_B8G8R8A8_UNORM, context->gl_info);
 255         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 256         cursor.texture_name = This->device->cursorTexture;
 257         cursor.texture_target = GL_TEXTURE_2D;
 258         cursor.texture_level = 0;
 259         cursor.currentDesc.Width = This->device->cursorWidth;
 260         cursor.currentDesc.Height = This->device->cursorHeight;
 261         cursor.glRect.left = 0;
 262         cursor.glRect.top = 0;
 263         cursor.glRect.right = cursor.currentDesc.Width;
 264         cursor.glRect.bottom = cursor.currentDesc.Height;
 265         /* The cursor must have pow2 sizes */
 266         cursor.pow2Width = cursor.currentDesc.Width;
 267         cursor.pow2Height = cursor.currentDesc.Height;
 268         /* The surface is in the texture */
 269         cursor.Flags |= SFLAG_INTEXTURE;
 270         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 271          * which is exactly what we want :-)
 272          */
 273         if (This->presentParms.Windowed) {
 274             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 275         }
 276         IWineD3DSurface_Blt(This->backBuffer[0], &destRect, (IWineD3DSurface *)&cursor,
 277                 NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_POINT);
 278     }
 279
 280     if (This->device->logo_surface)
 281     {
 282         /* Blit the logo into the upper left corner of the drawable. */
 283         IWineD3DSurface_BltFast(This->backBuffer[0], 0, 0, This->device->logo_surface, NULL, WINEDDBLTFAST_SRCCOLORKEY);
 284     }
 285
 286     TRACE("Presenting HDC %p.\n", context->hdc);
 287
 288     render_to_fbo = This->render_to_fbo;
 289
 290     if (pSourceRect)
 291     {
 292         src_rect = *pSourceRect;
 293         if (!render_to_fbo && (src_rect.left || src_rect.top
 294                 || src_rect.right != This->presentParms.BackBufferWidth
 295                 || src_rect.bottom != This->presentParms.BackBufferHeight))
 296         {
 297             render_to_fbo = TRUE;
 298         }
 299     }
 300     else
 301     {
 302         src_rect.left = 0;
 303         src_rect.top = 0;
 304         src_rect.right = This->presentParms.BackBufferWidth;
 305         src_rect.bottom = This->presentParms.BackBufferHeight;
 306     }
 307
 308     if (pDestRect) dst_rect = *pDestRect;
 309     else GetClientRect(This->win_handle, &dst_rect);
 310
 311     if (!render_to_fbo && (dst_rect.left || dst_rect.top
 312             || dst_rect.right != This->presentParms.BackBufferWidth
 313             || dst_rect.bottom != This->presentParms.BackBufferHeight))
 314     {
 315         render_to_fbo = TRUE;
 316     }
 317
 318     /* Rendering to a window of different size, presenting partial rectangles,
 319      * or rendering to a different window needs help from FBO_blit or a textured
 320      * draw. Render the swapchain to a FBO in the future.
 321      *
 322      * Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
 323      * all these issues - this fails if the window is smaller than the backbuffer.
 324      */
 325     if (!This->render_to_fbo && render_to_fbo && wined3d_settings.offscreen_rendering_mode == ORM_FBO)
 326     {
 327         IWineD3DSurface_LoadLocation(This->backBuffer[0], SFLAG_INTEXTURE, NULL);
 328         IWineD3DSurface_ModifyLocation(This->backBuffer[0], SFLAG_INDRAWABLE, FALSE);
 329         This->render_to_fbo = TRUE;
 330
 331         /* Force the context manager to update the render target configuration next draw. */
 332         context->current_rt = NULL;
 333     }
 334
 335     if(This->render_to_fbo)
 336     {
 337         /* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
 338          * window size mismatch is impossible(fullscreen) and src and dst rectangles are
 339          * not allowed(they need the COPY swapeffect)
 340          *
 341          * The DISCARD swap effect is ok as well since any backbuffer content is allowed after
 342          * the swap
 343          */
 344         if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP )
 345         {
 346             FIXME("Render-to-fbo with WINED3DSWAPEFFECT_FLIP\n");
 347         }
 348
 349         swapchain_blit(This, context, &src_rect, &dst_rect);
 350     }
 351
 352     if (This->num_contexts > 1) wglFinish();
 353     SwapBuffers(context->hdc); /* TODO: cycle through the swapchain buffers */
 354
 355     TRACE("SwapBuffers called, Starting new frame\n");
 356     /* FPS support */
 357     if (TRACE_ON(fps))
 358     {
 359         DWORD time = GetTickCount();
 360         This->frames++;
 361         /* every 1.5 seconds */
 362         if (time - This->prev_time > 1500) {
 363             TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
 364             This->prev_time = time;
 365             This->frames = 0;
 366         }
 367     }
 368
 369 #if defined(FRAME_DEBUGGING)
 370 {
 371     if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
 372         if (!isOn) {
 373             isOn = TRUE;
 374             FIXME("Enabling D3D Trace\n");
 375             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
 376 #if defined(SHOW_FRAME_MAKEUP)
 377             FIXME("Singe Frame snapshots Starting\n");
 378             isDumpingFrames = TRUE;
 379             ENTER_GL();
 380             glClear(GL_COLOR_BUFFER_BIT);
 381             LEAVE_GL();
 382 #endif
 383
 384 #if defined(SINGLE_FRAME_DEBUGGING)
 385         } else {
 386 #if defined(SHOW_FRAME_MAKEUP)
 387             FIXME("Singe Frame snapshots Finishing\n");
 388             isDumpingFrames = FALSE;
 389 #endif
 390             FIXME("Singe Frame trace complete\n");
 391             DeleteFileA("C:\\D3DTRACE");
 392             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 393 #endif
 394         }
 395     } else {
 396         if (isOn) {
 397             isOn = FALSE;
 398 #if defined(SHOW_FRAME_MAKEUP)
 399             FIXME("Single Frame snapshots Finishing\n");
 400             isDumpingFrames = FALSE;
 401 #endif
 402             FIXME("Disabling D3D Trace\n");
 403             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 404         }
 405     }
 406 }
 407 #endif
 408
 409     /* This is disabled, but the code left in for debug purposes.
 410      *
 411      * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
 412      * we can clear it with some ugly color to make bad drawing visible and ease debugging.
 413      * The Debug runtime does the same on Windows. However, a few games do not redraw the
 414      * screen properly, like Max Payne 2, which leaves a few pixels undefined.
 415      *
 416      * Tests show that the content of the back buffer after a discard flip is indeed not
 417      * reliable, so no game can depend on the exact content. However, it resembles the
 418      * old contents in some way, for example by showing fragments at other locations. In
 419      * general, the color theme is still intact. So Max payne, which draws rather dark scenes
 420      * gets a dark background image. If we clear it with a bright ugly color, the game's
 421      * bug shows up much more than it does on Windows, and the players see single pixels
 422      * with wrong colors.
 423      * (The Max Payne bug has been confirmed on Windows with the debug runtime)
 424      */
 425     if (FALSE && This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
 426         TRACE("Clearing the color buffer with cyan color\n");
 427
 428         IWineD3DDevice_Clear((IWineD3DDevice *)This->device, 0, NULL,
 429                 WINED3DCLEAR_TARGET, 0xff00ffff, 1.0f, 0);
 430     }
 431
 432     if(!This->render_to_fbo &&
 433        ( ((IWineD3DSurfaceImpl *) This->frontBuffer)->Flags   & SFLAG_INSYSMEM ||
 434          ((IWineD3DSurfaceImpl *) This->backBuffer[0])->Flags & SFLAG_INSYSMEM ) ) {
 435         /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
 436          * Doesn't work with render_to_fbo because we're not flipping
 437          */
 438         IWineD3DSurfaceImpl *front = (IWineD3DSurfaceImpl *) This->frontBuffer;
 439         IWineD3DSurfaceImpl *back = (IWineD3DSurfaceImpl *) This->backBuffer[0];
 440
 441         if(front->resource.size == back->resource.size) {
 442             DWORD fbflags;
 443             flip_surface(front, back);
 444
 445             /* Tell the front buffer surface that is has been modified. However,
 446              * the other locations were preserved during that, so keep the flags.
 447              * This serves to update the emulated overlay, if any
 448              */
 449             fbflags = front->Flags;
 450             IWineD3DSurface_ModifyLocation(This->frontBuffer, SFLAG_INDRAWABLE, TRUE);
 451             front->Flags = fbflags;
 452         } else {
 453             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) front, SFLAG_INDRAWABLE, TRUE);
 454             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) back, SFLAG_INDRAWABLE, TRUE);
 455         }
 456     } else {
 457         IWineD3DSurface_ModifyLocation(This->frontBuffer, SFLAG_INDRAWABLE, TRUE);
 458         /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
 459          * and INTEXTURE copies can keep their old content if they have any defined content.
 460          * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
 461          * the texture / sysmem copy needs to be reloaded from the drawable
 462          */
 463         if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP) {
 464             IWineD3DSurface_ModifyLocation(This->backBuffer[0], SFLAG_INDRAWABLE, TRUE);
 465         }
 466     }
 467
 468     if (This->device->stencilBufferTarget)
 469     {
 470         if (This->presentParms.Flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
 471                 || ((IWineD3DSurfaceImpl *)This->device->stencilBufferTarget)->Flags & SFLAG_DISCARD)
 472         {
 473             surface_modify_ds_location(This->device->stencilBufferTarget, SFLAG_DS_DISCARDED);
 474         }
 475     }
 476
 477     if (This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE
 478             && context->gl_info->supported[SGI_VIDEO_SYNC])
 479     {
 480         retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
 481         if(retval != 0) {
 482             ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
 483         }
 484
 485         switch(This->presentParms.PresentationInterval) {
 486             case WINED3DPRESENT_INTERVAL_DEFAULT:
 487             case WINED3DPRESENT_INTERVAL_ONE:
 488                 if(sync <= This->vSyncCounter) {
 489                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
 490                 } else {
 491                     This->vSyncCounter = sync;
 492                 }
 493                 break;
 494             case WINED3DPRESENT_INTERVAL_TWO:
 495                 if(sync <= This->vSyncCounter + 1) {
 496                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
 497                 } else {
 498                     This->vSyncCounter = sync;
 499                 }
 500                 break;
 501             case WINED3DPRESENT_INTERVAL_THREE:
 502                 if(sync <= This->vSyncCounter + 2) {
 503                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
 504                 } else {
 505                     This->vSyncCounter = sync;
 506                 }
 507                 break;
 508             case WINED3DPRESENT_INTERVAL_FOUR:
 509                 if(sync <= This->vSyncCounter + 3) {
 510                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
 511                 } else {
 512                     This->vSyncCounter = sync;
 513                 }
 514                 break;
 515             default:
 516                 FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
 517         }
 518     }
 519
 520     context_release(context);
 521
 522     TRACE("returning\n");
 523     return WINED3D_OK;
 524 }
 525
 526 static HRESULT WINAPI IWineD3DSwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window)
 527 {
 528     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 529
 530     if (!window) window = swapchain->device_window;
 531     if (window == swapchain->win_handle) return WINED3D_OK;
 532
 533     TRACE("Setting swapchain %p window from %p to %p\n", swapchain, swapchain->win_handle, window);
 534     swapchain->win_handle = window;
 535
 536     return WINED3D_OK;
 537 }
 538
 539 static const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 540 {
 541     /* IUnknown */
 542     IWineD3DBaseSwapChainImpl_QueryInterface,
 543     IWineD3DBaseSwapChainImpl_AddRef,
 544     IWineD3DBaseSwapChainImpl_Release,
 545     /* IWineD3DSwapChain */
 546     IWineD3DBaseSwapChainImpl_GetParent,
 547     IWineD3DSwapChainImpl_Destroy,
 548     IWineD3DBaseSwapChainImpl_GetDevice,
 549     IWineD3DSwapChainImpl_Present,
 550     IWineD3DSwapChainImpl_SetDestWindowOverride,
 551     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 552     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 553     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 554     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 555     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 556     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 557     IWineD3DBaseSwapChainImpl_GetGammaRamp
 558 };
 559
 560 static LONG fullscreen_style(LONG style)
 561 {
 562     /* Make sure the window is managed, otherwise we won't get keyboard input. */
 563     style |= WS_POPUP | WS_SYSMENU;
 564     style &= ~(WS_CAPTION | WS_THICKFRAME);
 565
 566     return style;
 567 }
 568
 569 static LONG fullscreen_exstyle(LONG exstyle)
 570 {
 571     /* Filter out window decorations. */
 572     exstyle &= ~(WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
 573
 574     return exstyle;
 575 }
 576
 577 void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w, UINT h)
 578 {
 579     IWineD3DDeviceImpl *device = swapchain->device;
 580     HWND window = swapchain->device_window;
 581     BOOL filter_messages;
 582     LONG style, exstyle;
 583
 584     TRACE("Setting up window %p for fullscreen mode.\n", window);
 585
 586     if (device->style || device->exStyle)
 587     {
 588         ERR("Changing the window style for window %p, but another style (%08x, %08x) is already stored.\n",
 589                 window, device->style, device->exStyle);
 590     }
 591
 592     device->style = GetWindowLongW(window, GWL_STYLE);
 593     device->exStyle = GetWindowLongW(window, GWL_EXSTYLE);
 594
 595     style = fullscreen_style(device->style);
 596     exstyle = fullscreen_exstyle(device->exStyle);
 597
 598     TRACE("Old style was %08x, %08x, setting to %08x, %08x.\n",
 599             device->style, device->exStyle, style, exstyle);
 600
 601     filter_messages = device->filter_messages;
 602     device->filter_messages = TRUE;
 603
 604     SetWindowLongW(window, GWL_STYLE, style);
 605     SetWindowLongW(window, GWL_EXSTYLE, exstyle);
 606     SetWindowPos(window, HWND_TOP, 0, 0, w, h, SWP_FRAMECHANGED | SWP_SHOWWINDOW | SWP_NOACTIVATE);
 607
 608     device->filter_messages = filter_messages;
 609 }
 610
 611 void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain)
 612 {
 613     IWineD3DDeviceImpl *device = swapchain->device;
 614     HWND window = swapchain->device_window;
 615     BOOL filter_messages;
 616     LONG style, exstyle;
 617
 618     if (!device->style && !device->exStyle) return;
 619
 620     TRACE("Restoring window style of window %p to %08x, %08x.\n",
 621             window, device->style, device->exStyle);
 622
 623     style = GetWindowLongW(window, GWL_STYLE);
 624     exstyle = GetWindowLongW(window, GWL_EXSTYLE);
 625
 626     filter_messages = device->filter_messages;
 627     device->filter_messages = TRUE;
 628
 629     /* Only restore the style if the application didn't modify it during the
 630      * fullscreen phase. Some applications change it before calling Reset()
 631      * when switching between windowed and fullscreen modes (HL2), some
 632      * depend on the original style (Eve Online). */
 633     if (style == fullscreen_style(device->style) && exstyle == fullscreen_exstyle(device->exStyle))
 634     {
 635         SetWindowLongW(window, GWL_STYLE, device->style);
 636         SetWindowLongW(window, GWL_EXSTYLE, device->exStyle);
 637     }
 638     SetWindowPos(window, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
 639
 640     device->filter_messages = filter_messages;
 641
 642     /* Delete the old values. */
 643     device->style = 0;
 644     device->exStyle = 0;
 645 }
 646
 647
 648 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
 649         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, IUnknown *parent)
 650 {
 651     const struct wined3d_adapter *adapter = device->adapter;
 652     const struct wined3d_format_desc *format_desc;
 653     BOOL displaymode_set = FALSE;
 654     WINED3DDISPLAYMODE mode;
 655     RECT client_rect;
 656     HWND window;
 657     HRESULT hr;
 658     UINT i;
 659
 660     if (present_parameters->BackBufferCount > WINED3DPRESENT_BACK_BUFFER_MAX)
 661     {
 662         FIXME("The application requested %u back buffers, this is not supported.\n",
 663                 present_parameters->BackBufferCount);
 664         return WINED3DERR_INVALIDCALL;
 665     }
 666
 667     if (present_parameters->BackBufferCount > 1)
 668     {
 669         FIXME("The application requested more than one back buffer, this is not properly supported.\n"
 670                 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
 671     }
 672
 673     switch (surface_type)
 674     {
 675         case SURFACE_GDI:
 676             swapchain->lpVtbl = &IWineGDISwapChain_Vtbl;
 677             break;
 678
 679         case SURFACE_OPENGL:
 680             swapchain->lpVtbl = &IWineD3DSwapChain_Vtbl;
 681             break;
 682
 683         case SURFACE_UNKNOWN:
 684             FIXME("Caller tried to create a SURFACE_UNKNOWN swapchain.\n");
 685             return WINED3DERR_INVALIDCALL;
 686     }
 687
 688     window = present_parameters->hDeviceWindow ? present_parameters->hDeviceWindow : device->createParms.hFocusWindow;
 689
 690     swapchain->device = device;
 691     swapchain->parent = parent;
 692     swapchain->ref = 1;
 693     swapchain->win_handle = window;
 694     swapchain->device_window = window;
 695
 696     if (!present_parameters->Windowed && window)
 697     {
 698         swapchain_setup_fullscreen_window(swapchain, present_parameters->BackBufferWidth,
 699                 present_parameters->BackBufferHeight);
 700     }
 701
 702     IWineD3D_GetAdapterDisplayMode(device->wined3d, adapter->ordinal, &mode);
 703     swapchain->orig_width = mode.Width;
 704     swapchain->orig_height = mode.Height;
 705     swapchain->orig_fmt = mode.Format;
 706     format_desc = getFormatDescEntry(mode.Format, &adapter->gl_info);
 707
 708     GetClientRect(window, &client_rect);
 709     if (present_parameters->Windowed
 710             && (!present_parameters->BackBufferWidth || !present_parameters->BackBufferHeight
 711             || present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN))
 712     {
 713
 714         if (!present_parameters->BackBufferWidth)
 715         {
 716             present_parameters->BackBufferWidth = client_rect.right;
 717             TRACE("Updating width to %u.\n", present_parameters->BackBufferWidth);
 718         }
 719
 720         if (!present_parameters->BackBufferHeight)
 721         {
 722             present_parameters->BackBufferHeight = client_rect.bottom;
 723             TRACE("Updating height to %u.\n", present_parameters->BackBufferHeight);
 724         }
 725
 726         if (present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN)
 727         {
 728             present_parameters->BackBufferFormat = swapchain->orig_fmt;
 729             TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
 730         }
 731     }
 732     swapchain->presentParms = *present_parameters;
 733
 734     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
 735             && present_parameters->BackBufferCount
 736             && (present_parameters->BackBufferWidth != client_rect.right
 737             || present_parameters->BackBufferHeight != client_rect.bottom))
 738     {
 739         TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u.\n",
 740                 present_parameters->BackBufferWidth,
 741                 present_parameters->BackBufferHeight,
 742                 client_rect.right, client_rect.bottom);
 743         swapchain->render_to_fbo = TRUE;
 744     }
 745
 746     TRACE("Creating front buffer.\n");
 747     hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 748             swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 749             swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 750             swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */, &swapchain->frontBuffer);
 751     if (FAILED(hr))
 752     {
 753         WARN("Failed to create front buffer, hr %#x.\n", hr);
 754         goto err;
 755     }
 756
 757     IWineD3DSurface_SetContainer(swapchain->frontBuffer, (IWineD3DBase *)swapchain);
 758     ((IWineD3DSurfaceImpl *)swapchain->frontBuffer)->Flags |= SFLAG_SWAPCHAIN;
 759     if (surface_type == SURFACE_OPENGL)
 760     {
 761         IWineD3DSurface_ModifyLocation(swapchain->frontBuffer, SFLAG_INDRAWABLE, TRUE);
 762     }
 763
 764     /* MSDN says we're only allowed a single fullscreen swapchain per device,
 765      * so we should really check to see if there is a fullscreen swapchain
 766      * already. Does a single head count as full screen? */
 767
 768     if (!present_parameters->Windowed)
 769     {
 770         WINED3DDISPLAYMODE mode;
 771
 772         /* Change the display settings */
 773         mode.Width = present_parameters->BackBufferWidth;
 774         mode.Height = present_parameters->BackBufferHeight;
 775         mode.Format = present_parameters->BackBufferFormat;
 776         mode.RefreshRate = present_parameters->FullScreen_RefreshRateInHz;
 777
 778         hr = IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)device, 0, &mode);
 779         if (FAILED(hr))
 780         {
 781             WARN("Failed to set display mode, hr %#x.\n", hr);
 782             goto err;
 783         }
 784         displaymode_set = TRUE;
 785     }
 786
 787     swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(swapchain->context));
 788     if (!swapchain->context)
 789     {
 790         ERR("Failed to create the context array.\n");
 791         hr = E_OUTOFMEMORY;
 792         goto err;
 793     }
 794     swapchain->num_contexts = 1;
 795
 796     if (surface_type == SURFACE_OPENGL)
 797     {
 798         if (!(swapchain->context[0] = context_create(swapchain, (IWineD3DSurfaceImpl *)swapchain->frontBuffer)))
 799         {
 800             WARN("Failed to create context.\n");
 801             hr = WINED3DERR_NOTAVAILABLE;
 802             goto err;
 803         }
 804         context_release(swapchain->context[0]);
 805     }
 806     else
 807     {
 808         swapchain->context[0] = NULL;
 809     }
 810
 811     if (swapchain->presentParms.BackBufferCount > 0)
 812     {
 813         swapchain->backBuffer = HeapAlloc(GetProcessHeap(), 0,
 814                 sizeof(*swapchain->backBuffer) * swapchain->presentParms.BackBufferCount);
 815         if (!swapchain->backBuffer)
 816         {
 817             ERR("Failed to allocate backbuffer array memory.\n");
 818             hr = E_OUTOFMEMORY;
 819             goto err;
 820         }
 821
 822         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 823         {
 824             TRACE("Creating back buffer %u.\n", i);
 825             hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 826                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 827                     swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 828                     swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */, &swapchain->backBuffer[i]);
 829             if (FAILED(hr))
 830             {
 831                 WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
 832                 goto err;
 833             }
 834
 835             IWineD3DSurface_SetContainer(swapchain->backBuffer[i], (IWineD3DBase *)swapchain);
 836             ((IWineD3DSurfaceImpl *)swapchain->backBuffer[i])->Flags |= SFLAG_SWAPCHAIN;
 837         }
 838     }
 839
 840     /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
 841     if (present_parameters->EnableAutoDepthStencil && surface_type == SURFACE_OPENGL)
 842     {
 843         TRACE("Creating depth/stencil buffer.\n");
 844         if (!device->auto_depth_stencil_buffer)
 845         {
 846             hr = IWineD3DDeviceParent_CreateDepthStencilSurface(device->device_parent, parent,
 847                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 848                     swapchain->presentParms.AutoDepthStencilFormat, swapchain->presentParms.MultiSampleType,
 849                     swapchain->presentParms.MultiSampleQuality, FALSE /* FIXME: Discard */,
 850                     &device->auto_depth_stencil_buffer);
 851             if (FAILED(hr))
 852             {
 853                 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
 854                 goto err;
 855             }
 856
 857             IWineD3DSurface_SetContainer(device->auto_depth_stencil_buffer, NULL);
 858         }
 859     }
 860
 861     IWineD3DSwapChain_GetGammaRamp((IWineD3DSwapChain *)swapchain, &swapchain->orig_gamma);
 862
 863     return WINED3D_OK;
 864
 865 err:
 866     if (displaymode_set)
 867     {
 868         DEVMODEW devmode;
 869
 870         ClipCursor(NULL);
 871
 872         /* Change the display settings */
 873         memset(&devmode, 0, sizeof(devmode));
 874         devmode.dmSize = sizeof(devmode);
 875         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 876         devmode.dmBitsPerPel = format_desc->byte_count * 8;
 877         devmode.dmPelsWidth = swapchain->orig_width;
 878         devmode.dmPelsHeight = swapchain->orig_height;
 879         ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
 880     }
 881
 882     if (swapchain->backBuffer)
 883     {
 884         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 885         {
 886             if (swapchain->backBuffer[i]) IWineD3DSurface_Release(swapchain->backBuffer[i]);
 887         }
 888         HeapFree(GetProcessHeap(), 0, swapchain->backBuffer);
 889     }
 890
 891     if (swapchain->context)
 892     {
 893         if (swapchain->context[0])
 894         {
 895             context_release(swapchain->context[0]);
 896             context_destroy(device, swapchain->context[0]);
 897             swapchain->num_contexts = 0;
 898         }
 899         HeapFree(GetProcessHeap(), 0, swapchain->context);
 900     }
 901
 902     if (swapchain->frontBuffer) IWineD3DSurface_Release(swapchain->frontBuffer);
 903
 904     return hr;
 905 }
 906
 907 struct wined3d_context *swapchain_create_context_for_thread(IWineD3DSwapChain *iface)
 908 {
 909     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *) iface;
 910     struct wined3d_context **newArray;
 911     struct wined3d_context *ctx;
 912
 913     TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
 914
 915     if (!(ctx = context_create(This, (IWineD3DSurfaceImpl *)This->frontBuffer)))
 916     {
 917         ERR("Failed to create a new context for the swapchain\n");
 918         return NULL;
 919     }
 920     context_release(ctx);
 921
 922     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * This->num_contexts + 1);
 923     if(!newArray) {
 924         ERR("Out of memory when trying to allocate a new context array\n");
 925         context_destroy(This->device, ctx);
 926         return NULL;
 927     }
 928     memcpy(newArray, This->context, sizeof(*newArray) * This->num_contexts);
 929     HeapFree(GetProcessHeap(), 0, This->context);
 930     newArray[This->num_contexts] = ctx;
 931     This->context = newArray;
 932     This->num_contexts++;
 933
 934     TRACE("Returning context %p\n", ctx);
 935     return ctx;
 936 }
 937
 938 void get_drawable_size_swapchain(struct wined3d_context *context, UINT *width, UINT *height)
 939 {
 940     IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)context->current_rt;
 941     /* The drawable size of an onscreen drawable is the surface size.
 942      * (Actually: The window size, but the surface is created in window size) */
 943     *width = surface->currentDesc.Width;
 944     *height = surface->currentDesc.Height;
 945 }