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->back_buffers[0] is
  50      * the last buffer to be destroyed, FindContext() depends on that. */
  51     if (This->front_buffer)
  52     {
  53         IWineD3DSurface_SetContainer((IWineD3DSurface *)This->front_buffer, NULL);
  54         if (IWineD3DSurface_Release((IWineD3DSurface *)This->front_buffer))
  55         {
  56             WARN("(%p) Something's still holding the front buffer (%p).\n",
  57                     This, This->front_buffer);
  58         }
  59         This->front_buffer = NULL;
  60     }
  61
  62     if (This->back_buffers)
  63     {
  64         UINT i = This->presentParms.BackBufferCount;
  65
  66         while (i--)
  67         {
  68             IWineD3DSurface_SetContainer((IWineD3DSurface *)This->back_buffers[i], NULL);
  69             if (IWineD3DSurface_Release((IWineD3DSurface *)This->back_buffers[i]))
  70                 WARN("(%p) Something's still holding back buffer %u (%p).\n",
  71                         This, i, This->back_buffers[i]);
  72         }
  73         HeapFree(GetProcessHeap(), 0, This->back_buffers);
  74         This->back_buffers = 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 = This->back_buffers[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_apply_fbo_state_blit(context, GL_READ_FRAMEBUFFER, backbuffer, NULL);
 121         glReadBuffer(GL_COLOR_ATTACHMENT0);
 122
 123         context_bind_fbo(context, GL_DRAW_FRAMEBUFFER, NULL);
 124         context_set_draw_buffer(context, GL_BACK);
 125
 126         glDisable(GL_SCISSOR_TEST);
 127         IWineD3DDeviceImpl_MarkStateDirty(This->device, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE));
 128
 129         /* Note that the texture is upside down */
 130         gl_info->fbo_ops.glBlitFramebuffer(src_rect->left, src_rect->top, src_rect->right, src_rect->bottom,
 131                                            dst_rect->left, dst_rect->bottom, dst_rect->right, dst_rect->top,
 132                                            GL_COLOR_BUFFER_BIT, gl_filter);
 133         checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
 134         LEAVE_GL();
 135     }
 136     else
 137     {
 138         struct wined3d_context *context2;
 139         float tex_left = src_rect->left;
 140         float tex_top = src_rect->top;
 141         float tex_right = src_rect->right;
 142         float tex_bottom = src_rect->bottom;
 143
 144         context2 = context_acquire(This->device, This->back_buffers[0]);
 145         context_apply_blit_state(context2, device);
 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);
 165         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MIN_FILTER, gl_filter);
 166         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MAG_FILTER, gl_filter);
 167
 168         context_set_draw_buffer(context, GL_BACK);
 169
 170         /* Set the viewport to the destination rectandle, disable any projection
 171          * transformation set up by context_apply_blit_state(), and draw a
 172          * (-1,-1)-(1,1) quad.
 173          *
 174          * Back up viewport and matrix to avoid breaking last_was_blit
 175          *
 176          * Note that context_apply_blit_state() set up viewport and ortho to
 177          * match the surface size - we want the GL drawable(=window) size. */
 178         glPushAttrib(GL_VIEWPORT_BIT);
 179         glViewport(dst_rect->left, dst_rect->top, dst_rect->right, dst_rect->bottom);
 180         glMatrixMode(GL_PROJECTION);
 181         glPushMatrix();
 182         glLoadIdentity();
 183
 184         glBegin(GL_QUADS);
 185             /* bottom left */
 186             glTexCoord2f(tex_left, tex_bottom);
 187             glVertex2i(-1, -1);
 188
 189             /* top left */
 190             glTexCoord2f(tex_left, tex_top);
 191             glVertex2i(-1, 1);
 192
 193             /* top right */
 194             glTexCoord2f(tex_right, tex_top);
 195             glVertex2i(1, 1);
 196
 197             /* bottom right */
 198             glTexCoord2f(tex_right, tex_bottom);
 199             glVertex2i(1, -1);
 200         glEnd();
 201
 202         glPopMatrix();
 203         glPopAttrib();
 204
 205         device->blitter->unset_shader((IWineD3DDevice *) device);
 206         checkGLcall("Swapchain present blit(manual)\n");
 207         LEAVE_GL();
 208
 209         context_release(context2);
 210     }
 211 }
 212
 213 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 214     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 215     struct wined3d_context *context;
 216     RECT src_rect, dst_rect;
 217     BOOL render_to_fbo;
 218     unsigned int sync;
 219     int retval;
 220
 221     IWineD3DSwapChain_SetDestWindowOverride(iface, hDestWindowOverride);
 222
 223     context = context_acquire(This->device, This->back_buffers[0]);
 224     if (!context->valid)
 225     {
 226         context_release(context);
 227         WARN("Invalid context, skipping present.\n");
 228         return WINED3D_OK;
 229     }
 230
 231     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 232     if (This->device->bCursorVisible && This->device->cursorTexture)
 233     {
 234         IWineD3DSurfaceImpl cursor;
 235         RECT destRect =
 236         {
 237             This->device->xScreenSpace - This->device->xHotSpot,
 238             This->device->yScreenSpace - This->device->yHotSpot,
 239             This->device->xScreenSpace + This->device->cursorWidth - This->device->xHotSpot,
 240             This->device->yScreenSpace + This->device->cursorHeight - This->device->yHotSpot,
 241         };
 242         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 243         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 244          * the application because we are only supposed to copy the information out. Using a fake surface
 245          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 246          */
 247         memset(&cursor, 0, sizeof(cursor));
 248         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 249         cursor.resource.ref = 1;
 250         cursor.resource.device = This->device;
 251         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 252         cursor.resource.format_desc = getFormatDescEntry(WINED3DFMT_B8G8R8A8_UNORM, context->gl_info);
 253         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 254         cursor.texture_name = This->device->cursorTexture;
 255         cursor.texture_target = GL_TEXTURE_2D;
 256         cursor.texture_level = 0;
 257         cursor.currentDesc.Width = This->device->cursorWidth;
 258         cursor.currentDesc.Height = This->device->cursorHeight;
 259         /* The cursor must have pow2 sizes */
 260         cursor.pow2Width = cursor.currentDesc.Width;
 261         cursor.pow2Height = cursor.currentDesc.Height;
 262         /* The surface is in the texture */
 263         cursor.Flags |= SFLAG_INTEXTURE;
 264         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 265          * which is exactly what we want :-)
 266          */
 267         if (This->presentParms.Windowed) {
 268             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 269         }
 270         IWineD3DSurface_Blt((IWineD3DSurface *)This->back_buffers[0], &destRect, (IWineD3DSurface *)&cursor,
 271                 NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_POINT);
 272     }
 273
 274     if (This->device->logo_surface)
 275     {
 276         /* Blit the logo into the upper left corner of the drawable. */
 277         IWineD3DSurface_BltFast((IWineD3DSurface *)This->back_buffers[0], 0, 0,
 278                 This->device->logo_surface, NULL, WINEDDBLTFAST_SRCCOLORKEY);
 279     }
 280
 281     TRACE("Presenting HDC %p.\n", context->hdc);
 282
 283     render_to_fbo = This->render_to_fbo;
 284
 285     if (pSourceRect)
 286     {
 287         src_rect = *pSourceRect;
 288         if (!render_to_fbo && (src_rect.left || src_rect.top
 289                 || src_rect.right != This->presentParms.BackBufferWidth
 290                 || src_rect.bottom != This->presentParms.BackBufferHeight))
 291         {
 292             render_to_fbo = TRUE;
 293         }
 294     }
 295     else
 296     {
 297         src_rect.left = 0;
 298         src_rect.top = 0;
 299         src_rect.right = This->presentParms.BackBufferWidth;
 300         src_rect.bottom = This->presentParms.BackBufferHeight;
 301     }
 302
 303     if (pDestRect) dst_rect = *pDestRect;
 304     else GetClientRect(This->win_handle, &dst_rect);
 305
 306     if (!render_to_fbo && (dst_rect.left || dst_rect.top
 307             || dst_rect.right != This->presentParms.BackBufferWidth
 308             || dst_rect.bottom != This->presentParms.BackBufferHeight))
 309     {
 310         render_to_fbo = TRUE;
 311     }
 312
 313     /* Rendering to a window of different size, presenting partial rectangles,
 314      * or rendering to a different window needs help from FBO_blit or a textured
 315      * draw. Render the swapchain to a FBO in the future.
 316      *
 317      * Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
 318      * all these issues - this fails if the window is smaller than the backbuffer.
 319      */
 320     if (!This->render_to_fbo && render_to_fbo && wined3d_settings.offscreen_rendering_mode == ORM_FBO)
 321     {
 322         IWineD3DSurface_LoadLocation((IWineD3DSurface *)This->back_buffers[0], SFLAG_INTEXTURE, NULL);
 323         IWineD3DSurface_ModifyLocation((IWineD3DSurface *)This->back_buffers[0], SFLAG_INDRAWABLE, FALSE);
 324         This->render_to_fbo = TRUE;
 325
 326         /* Force the context manager to update the render target configuration next draw. */
 327         context->current_rt = NULL;
 328     }
 329
 330     if(This->render_to_fbo)
 331     {
 332         /* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
 333          * window size mismatch is impossible(fullscreen) and src and dst rectangles are
 334          * not allowed(they need the COPY swapeffect)
 335          *
 336          * The DISCARD swap effect is ok as well since any backbuffer content is allowed after
 337          * the swap
 338          */
 339         if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP )
 340         {
 341             FIXME("Render-to-fbo with WINED3DSWAPEFFECT_FLIP\n");
 342         }
 343
 344         swapchain_blit(This, context, &src_rect, &dst_rect);
 345     }
 346
 347     if (This->num_contexts > 1) wglFinish();
 348     SwapBuffers(context->hdc); /* TODO: cycle through the swapchain buffers */
 349
 350     TRACE("SwapBuffers called, Starting new frame\n");
 351     /* FPS support */
 352     if (TRACE_ON(fps))
 353     {
 354         DWORD time = GetTickCount();
 355         This->frames++;
 356         /* every 1.5 seconds */
 357         if (time - This->prev_time > 1500) {
 358             TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
 359             This->prev_time = time;
 360             This->frames = 0;
 361         }
 362     }
 363
 364 #if defined(FRAME_DEBUGGING)
 365 {
 366     if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
 367         if (!isOn) {
 368             isOn = TRUE;
 369             FIXME("Enabling D3D Trace\n");
 370             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
 371 #if defined(SHOW_FRAME_MAKEUP)
 372             FIXME("Singe Frame snapshots Starting\n");
 373             isDumpingFrames = TRUE;
 374             ENTER_GL();
 375             glClear(GL_COLOR_BUFFER_BIT);
 376             LEAVE_GL();
 377 #endif
 378
 379 #if defined(SINGLE_FRAME_DEBUGGING)
 380         } else {
 381 #if defined(SHOW_FRAME_MAKEUP)
 382             FIXME("Singe Frame snapshots Finishing\n");
 383             isDumpingFrames = FALSE;
 384 #endif
 385             FIXME("Singe Frame trace complete\n");
 386             DeleteFileA("C:\\D3DTRACE");
 387             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 388 #endif
 389         }
 390     } else {
 391         if (isOn) {
 392             isOn = FALSE;
 393 #if defined(SHOW_FRAME_MAKEUP)
 394             FIXME("Single Frame snapshots Finishing\n");
 395             isDumpingFrames = FALSE;
 396 #endif
 397             FIXME("Disabling D3D Trace\n");
 398             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 399         }
 400     }
 401 }
 402 #endif
 403
 404     /* This is disabled, but the code left in for debug purposes.
 405      *
 406      * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
 407      * we can clear it with some ugly color to make bad drawing visible and ease debugging.
 408      * The Debug runtime does the same on Windows. However, a few games do not redraw the
 409      * screen properly, like Max Payne 2, which leaves a few pixels undefined.
 410      *
 411      * Tests show that the content of the back buffer after a discard flip is indeed not
 412      * reliable, so no game can depend on the exact content. However, it resembles the
 413      * old contents in some way, for example by showing fragments at other locations. In
 414      * general, the color theme is still intact. So Max payne, which draws rather dark scenes
 415      * gets a dark background image. If we clear it with a bright ugly color, the game's
 416      * bug shows up much more than it does on Windows, and the players see single pixels
 417      * with wrong colors.
 418      * (The Max Payne bug has been confirmed on Windows with the debug runtime)
 419      */
 420     if (FALSE && This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
 421         TRACE("Clearing the color buffer with cyan color\n");
 422
 423         IWineD3DDevice_Clear((IWineD3DDevice *)This->device, 0, NULL,
 424                 WINED3DCLEAR_TARGET, 0xff00ffff, 1.0f, 0);
 425     }
 426
 427     if (!This->render_to_fbo && ((This->front_buffer->Flags & SFLAG_INSYSMEM)
 428             || (This->back_buffers[0]->Flags & SFLAG_INSYSMEM)))
 429     {
 430         /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
 431          * Doesn't work with render_to_fbo because we're not flipping
 432          */
 433         IWineD3DSurfaceImpl *front = This->front_buffer;
 434         IWineD3DSurfaceImpl *back = This->back_buffers[0];
 435
 436         if(front->resource.size == back->resource.size) {
 437             DWORD fbflags;
 438             flip_surface(front, back);
 439
 440             /* Tell the front buffer surface that is has been modified. However,
 441              * the other locations were preserved during that, so keep the flags.
 442              * This serves to update the emulated overlay, if any
 443              */
 444             fbflags = front->Flags;
 445             IWineD3DSurface_ModifyLocation((IWineD3DSurface *)front, SFLAG_INDRAWABLE, TRUE);
 446             front->Flags = fbflags;
 447         } else {
 448             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) front, SFLAG_INDRAWABLE, TRUE);
 449             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) back, SFLAG_INDRAWABLE, TRUE);
 450         }
 451     }
 452     else
 453     {
 454         IWineD3DSurface_ModifyLocation((IWineD3DSurface *)This->front_buffer, SFLAG_INDRAWABLE, TRUE);
 455         /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
 456          * and INTEXTURE copies can keep their old content if they have any defined content.
 457          * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
 458          * the texture / sysmem copy needs to be reloaded from the drawable
 459          */
 460         if (This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP)
 461         {
 462             IWineD3DSurface_ModifyLocation((IWineD3DSurface *)This->back_buffers[0], SFLAG_INDRAWABLE, TRUE);
 463         }
 464     }
 465
 466     if (This->device->depth_stencil)
 467     {
 468         if (This->presentParms.Flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
 469                 || This->device->depth_stencil->Flags & SFLAG_DISCARD)
 470         {
 471             surface_modify_ds_location(This->device->depth_stencil, SFLAG_DS_DISCARDED,
 472                     This->device->depth_stencil->currentDesc.Width,
 473                     This->device->depth_stencil->currentDesc.Height);
 474             if (This->device->depth_stencil == This->device->onscreen_depth_stencil)
 475             {
 476                 IWineD3DSurface_Release((IWineD3DSurface *)This->device->onscreen_depth_stencil);
 477                 This->device->onscreen_depth_stencil = NULL;
 478             }
 479         }
 480     }
 481
 482     if (This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE
 483             && context->gl_info->supported[SGI_VIDEO_SYNC])
 484     {
 485         retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
 486         if(retval != 0) {
 487             ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
 488         }
 489
 490         switch(This->presentParms.PresentationInterval) {
 491             case WINED3DPRESENT_INTERVAL_DEFAULT:
 492             case WINED3DPRESENT_INTERVAL_ONE:
 493                 if(sync <= This->vSyncCounter) {
 494                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
 495                 } else {
 496                     This->vSyncCounter = sync;
 497                 }
 498                 break;
 499             case WINED3DPRESENT_INTERVAL_TWO:
 500                 if(sync <= This->vSyncCounter + 1) {
 501                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
 502                 } else {
 503                     This->vSyncCounter = sync;
 504                 }
 505                 break;
 506             case WINED3DPRESENT_INTERVAL_THREE:
 507                 if(sync <= This->vSyncCounter + 2) {
 508                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
 509                 } else {
 510                     This->vSyncCounter = sync;
 511                 }
 512                 break;
 513             case WINED3DPRESENT_INTERVAL_FOUR:
 514                 if(sync <= This->vSyncCounter + 3) {
 515                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
 516                 } else {
 517                     This->vSyncCounter = sync;
 518                 }
 519                 break;
 520             default:
 521                 FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
 522         }
 523     }
 524
 525     context_release(context);
 526
 527     TRACE("returning\n");
 528     return WINED3D_OK;
 529 }
 530
 531 static HRESULT WINAPI IWineD3DSwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window)
 532 {
 533     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 534
 535     if (!window) window = swapchain->device_window;
 536     if (window == swapchain->win_handle) return WINED3D_OK;
 537
 538     TRACE("Setting swapchain %p window from %p to %p\n", swapchain, swapchain->win_handle, window);
 539     swapchain->win_handle = window;
 540
 541     return WINED3D_OK;
 542 }
 543
 544 static const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 545 {
 546     /* IUnknown */
 547     IWineD3DBaseSwapChainImpl_QueryInterface,
 548     IWineD3DBaseSwapChainImpl_AddRef,
 549     IWineD3DBaseSwapChainImpl_Release,
 550     /* IWineD3DSwapChain */
 551     IWineD3DBaseSwapChainImpl_GetParent,
 552     IWineD3DSwapChainImpl_Destroy,
 553     IWineD3DBaseSwapChainImpl_GetDevice,
 554     IWineD3DSwapChainImpl_Present,
 555     IWineD3DSwapChainImpl_SetDestWindowOverride,
 556     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 557     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 558     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 559     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 560     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 561     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 562     IWineD3DBaseSwapChainImpl_GetGammaRamp
 563 };
 564
 565 static LONG fullscreen_style(LONG style)
 566 {
 567     /* Make sure the window is managed, otherwise we won't get keyboard input. */
 568     style |= WS_POPUP | WS_SYSMENU;
 569     style &= ~(WS_CAPTION | WS_THICKFRAME);
 570
 571     return style;
 572 }
 573
 574 static LONG fullscreen_exstyle(LONG exstyle)
 575 {
 576     /* Filter out window decorations. */
 577     exstyle &= ~(WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
 578
 579     return exstyle;
 580 }
 581
 582 void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w, UINT h)
 583 {
 584     IWineD3DDeviceImpl *device = swapchain->device;
 585     HWND window = swapchain->device_window;
 586     BOOL filter_messages;
 587     LONG style, exstyle;
 588
 589     TRACE("Setting up window %p for fullscreen mode.\n", window);
 590
 591     if (device->style || device->exStyle)
 592     {
 593         ERR("Changing the window style for window %p, but another style (%08x, %08x) is already stored.\n",
 594                 window, device->style, device->exStyle);
 595     }
 596
 597     device->style = GetWindowLongW(window, GWL_STYLE);
 598     device->exStyle = GetWindowLongW(window, GWL_EXSTYLE);
 599
 600     style = fullscreen_style(device->style);
 601     exstyle = fullscreen_exstyle(device->exStyle);
 602
 603     TRACE("Old style was %08x, %08x, setting to %08x, %08x.\n",
 604             device->style, device->exStyle, style, exstyle);
 605
 606     filter_messages = device->filter_messages;
 607     device->filter_messages = TRUE;
 608
 609     SetWindowLongW(window, GWL_STYLE, style);
 610     SetWindowLongW(window, GWL_EXSTYLE, exstyle);
 611     SetWindowPos(window, HWND_TOP, 0, 0, w, h, SWP_FRAMECHANGED | SWP_SHOWWINDOW | SWP_NOACTIVATE);
 612
 613     device->filter_messages = filter_messages;
 614 }
 615
 616 void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain)
 617 {
 618     IWineD3DDeviceImpl *device = swapchain->device;
 619     HWND window = swapchain->device_window;
 620     BOOL filter_messages;
 621     LONG style, exstyle;
 622
 623     if (!device->style && !device->exStyle) return;
 624
 625     TRACE("Restoring window style of window %p to %08x, %08x.\n",
 626             window, device->style, device->exStyle);
 627
 628     style = GetWindowLongW(window, GWL_STYLE);
 629     exstyle = GetWindowLongW(window, GWL_EXSTYLE);
 630
 631     filter_messages = device->filter_messages;
 632     device->filter_messages = TRUE;
 633
 634     /* Only restore the style if the application didn't modify it during the
 635      * fullscreen phase. Some applications change it before calling Reset()
 636      * when switching between windowed and fullscreen modes (HL2), some
 637      * depend on the original style (Eve Online). */
 638     if (style == fullscreen_style(device->style) && exstyle == fullscreen_exstyle(device->exStyle))
 639     {
 640         SetWindowLongW(window, GWL_STYLE, device->style);
 641         SetWindowLongW(window, GWL_EXSTYLE, device->exStyle);
 642     }
 643     SetWindowPos(window, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
 644
 645     device->filter_messages = filter_messages;
 646
 647     /* Delete the old values. */
 648     device->style = 0;
 649     device->exStyle = 0;
 650 }
 651
 652
 653 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
 654         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, IUnknown *parent)
 655 {
 656     const struct wined3d_adapter *adapter = device->adapter;
 657     const struct wined3d_format_desc *format_desc;
 658     BOOL displaymode_set = FALSE;
 659     WINED3DDISPLAYMODE mode;
 660     RECT client_rect;
 661     HWND window;
 662     HRESULT hr;
 663     UINT i;
 664
 665     if (present_parameters->BackBufferCount > WINED3DPRESENT_BACK_BUFFER_MAX)
 666     {
 667         FIXME("The application requested %u back buffers, this is not supported.\n",
 668                 present_parameters->BackBufferCount);
 669         return WINED3DERR_INVALIDCALL;
 670     }
 671
 672     if (present_parameters->BackBufferCount > 1)
 673     {
 674         FIXME("The application requested more than one back buffer, this is not properly supported.\n"
 675                 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
 676     }
 677
 678     switch (surface_type)
 679     {
 680         case SURFACE_GDI:
 681             swapchain->lpVtbl = &IWineGDISwapChain_Vtbl;
 682             break;
 683
 684         case SURFACE_OPENGL:
 685             swapchain->lpVtbl = &IWineD3DSwapChain_Vtbl;
 686             break;
 687
 688         case SURFACE_UNKNOWN:
 689             FIXME("Caller tried to create a SURFACE_UNKNOWN swapchain.\n");
 690             return WINED3DERR_INVALIDCALL;
 691     }
 692
 693     window = present_parameters->hDeviceWindow ? present_parameters->hDeviceWindow : device->createParms.hFocusWindow;
 694
 695     swapchain->device = device;
 696     swapchain->parent = parent;
 697     swapchain->ref = 1;
 698     swapchain->win_handle = window;
 699     swapchain->device_window = window;
 700
 701     if (!present_parameters->Windowed && window)
 702     {
 703         swapchain_setup_fullscreen_window(swapchain, present_parameters->BackBufferWidth,
 704                 present_parameters->BackBufferHeight);
 705     }
 706
 707     IWineD3D_GetAdapterDisplayMode(device->wined3d, adapter->ordinal, &mode);
 708     swapchain->orig_width = mode.Width;
 709     swapchain->orig_height = mode.Height;
 710     swapchain->orig_fmt = mode.Format;
 711     format_desc = getFormatDescEntry(mode.Format, &adapter->gl_info);
 712
 713     GetClientRect(window, &client_rect);
 714     if (present_parameters->Windowed
 715             && (!present_parameters->BackBufferWidth || !present_parameters->BackBufferHeight
 716             || present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN))
 717     {
 718
 719         if (!present_parameters->BackBufferWidth)
 720         {
 721             present_parameters->BackBufferWidth = client_rect.right;
 722             TRACE("Updating width to %u.\n", present_parameters->BackBufferWidth);
 723         }
 724
 725         if (!present_parameters->BackBufferHeight)
 726         {
 727             present_parameters->BackBufferHeight = client_rect.bottom;
 728             TRACE("Updating height to %u.\n", present_parameters->BackBufferHeight);
 729         }
 730
 731         if (present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN)
 732         {
 733             present_parameters->BackBufferFormat = swapchain->orig_fmt;
 734             TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
 735         }
 736     }
 737     swapchain->presentParms = *present_parameters;
 738
 739     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
 740             && present_parameters->BackBufferCount
 741             && (present_parameters->BackBufferWidth != client_rect.right
 742             || present_parameters->BackBufferHeight != client_rect.bottom))
 743     {
 744         TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u.\n",
 745                 present_parameters->BackBufferWidth,
 746                 present_parameters->BackBufferHeight,
 747                 client_rect.right, client_rect.bottom);
 748         swapchain->render_to_fbo = TRUE;
 749     }
 750
 751     TRACE("Creating front buffer.\n");
 752     hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 753             swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 754             swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 755             swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 756             (IWineD3DSurface **)&swapchain->front_buffer);
 757     if (FAILED(hr))
 758     {
 759         WARN("Failed to create front buffer, hr %#x.\n", hr);
 760         goto err;
 761     }
 762
 763     IWineD3DSurface_SetContainer((IWineD3DSurface *)swapchain->front_buffer, (IWineD3DBase *)swapchain);
 764     swapchain->front_buffer->Flags |= SFLAG_SWAPCHAIN;
 765     if (surface_type == SURFACE_OPENGL)
 766     {
 767         IWineD3DSurface_ModifyLocation((IWineD3DSurface *)swapchain->front_buffer, SFLAG_INDRAWABLE, TRUE);
 768     }
 769
 770     /* MSDN says we're only allowed a single fullscreen swapchain per device,
 771      * so we should really check to see if there is a fullscreen swapchain
 772      * already. Does a single head count as full screen? */
 773
 774     if (!present_parameters->Windowed)
 775     {
 776         WINED3DDISPLAYMODE mode;
 777
 778         /* Change the display settings */
 779         mode.Width = present_parameters->BackBufferWidth;
 780         mode.Height = present_parameters->BackBufferHeight;
 781         mode.Format = present_parameters->BackBufferFormat;
 782         mode.RefreshRate = present_parameters->FullScreen_RefreshRateInHz;
 783
 784         hr = IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)device, 0, &mode);
 785         if (FAILED(hr))
 786         {
 787             WARN("Failed to set display mode, hr %#x.\n", hr);
 788             goto err;
 789         }
 790         displaymode_set = TRUE;
 791     }
 792
 793     swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(swapchain->context));
 794     if (!swapchain->context)
 795     {
 796         ERR("Failed to create the context array.\n");
 797         hr = E_OUTOFMEMORY;
 798         goto err;
 799     }
 800     swapchain->num_contexts = 1;
 801
 802     if (surface_type == SURFACE_OPENGL)
 803     {
 804         WINED3DFORMAT formats[] =
 805         {
 806             WINED3DFMT_D24_UNORM_S8_UINT,
 807             WINED3DFMT_D32_UNORM,
 808             WINED3DFMT_R24_UNORM_X8_TYPELESS,
 809             WINED3DFMT_D16_UNORM,
 810             WINED3DFMT_S1_UINT_D15_UNORM
 811         };
 812
 813         const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 814
 815         /* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
 816          * You are able to add a depth + stencil surface at a later stage when you need it.
 817          * In order to support this properly in WineD3D we need the ability to recreate the opengl context and
 818          * drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
 819          * context, need torecreate shaders, textures and other resources.
 820          *
 821          * The context manager already takes care of the state problem and for the other tasks code from Reset
 822          * can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
 823          * Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
 824          * time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
 825          * issue needs to be fixed. */
 826         for (i = 0; i < (sizeof(formats) / sizeof(*formats)); i++)
 827         {
 828             swapchain->ds_format = getFormatDescEntry(formats[i], gl_info);
 829             swapchain->context[0] = context_create(swapchain, swapchain->front_buffer, swapchain->ds_format);
 830             if (swapchain->context[0]) break;
 831             TRACE("Depth stencil format %s is not supported, trying next format\n",
 832                   debug_d3dformat(formats[i]));
 833         }
 834
 835         if (!swapchain->context[0])
 836         {
 837             WARN("Failed to create context.\n");
 838             hr = WINED3DERR_NOTAVAILABLE;
 839             goto err;
 840         }
 841
 842         if (!present_parameters->EnableAutoDepthStencil
 843                 || swapchain->presentParms.AutoDepthStencilFormat != swapchain->ds_format->format)
 844         {
 845             FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
 846         }
 847         context_release(swapchain->context[0]);
 848     }
 849     else
 850     {
 851         swapchain->context[0] = NULL;
 852     }
 853
 854     if (swapchain->presentParms.BackBufferCount > 0)
 855     {
 856         swapchain->back_buffers = HeapAlloc(GetProcessHeap(), 0,
 857                 sizeof(*swapchain->back_buffers) * swapchain->presentParms.BackBufferCount);
 858         if (!swapchain->back_buffers)
 859         {
 860             ERR("Failed to allocate backbuffer array memory.\n");
 861             hr = E_OUTOFMEMORY;
 862             goto err;
 863         }
 864
 865         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 866         {
 867             TRACE("Creating back buffer %u.\n", i);
 868             hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 869                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 870                     swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 871                     swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 872                     (IWineD3DSurface **)&swapchain->back_buffers[i]);
 873             if (FAILED(hr))
 874             {
 875                 WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
 876                 goto err;
 877             }
 878
 879             IWineD3DSurface_SetContainer((IWineD3DSurface *)swapchain->back_buffers[i], (IWineD3DBase *)swapchain);
 880             swapchain->back_buffers[i]->Flags |= SFLAG_SWAPCHAIN;
 881         }
 882     }
 883
 884     /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
 885     if (present_parameters->EnableAutoDepthStencil && surface_type == SURFACE_OPENGL)
 886     {
 887         TRACE("Creating depth/stencil buffer.\n");
 888         if (!device->auto_depth_stencil)
 889         {
 890             hr = IWineD3DDeviceParent_CreateDepthStencilSurface(device->device_parent, parent,
 891                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 892                     swapchain->presentParms.AutoDepthStencilFormat, swapchain->presentParms.MultiSampleType,
 893                     swapchain->presentParms.MultiSampleQuality, FALSE /* FIXME: Discard */,
 894                     (IWineD3DSurface **)&device->auto_depth_stencil);
 895             if (FAILED(hr))
 896             {
 897                 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
 898                 goto err;
 899             }
 900
 901             IWineD3DSurface_SetContainer((IWineD3DSurface *)device->auto_depth_stencil, NULL);
 902         }
 903     }
 904
 905     IWineD3DSwapChain_GetGammaRamp((IWineD3DSwapChain *)swapchain, &swapchain->orig_gamma);
 906
 907     return WINED3D_OK;
 908
 909 err:
 910     if (displaymode_set)
 911     {
 912         DEVMODEW devmode;
 913
 914         ClipCursor(NULL);
 915
 916         /* Change the display settings */
 917         memset(&devmode, 0, sizeof(devmode));
 918         devmode.dmSize = sizeof(devmode);
 919         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 920         devmode.dmBitsPerPel = format_desc->byte_count * 8;
 921         devmode.dmPelsWidth = swapchain->orig_width;
 922         devmode.dmPelsHeight = swapchain->orig_height;
 923         ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
 924     }
 925
 926     if (swapchain->back_buffers)
 927     {
 928         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 929         {
 930             if (swapchain->back_buffers[i]) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->back_buffers[i]);
 931         }
 932         HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
 933     }
 934
 935     if (swapchain->context)
 936     {
 937         if (swapchain->context[0])
 938         {
 939             context_release(swapchain->context[0]);
 940             context_destroy(device, swapchain->context[0]);
 941             swapchain->num_contexts = 0;
 942         }
 943         HeapFree(GetProcessHeap(), 0, swapchain->context);
 944     }
 945
 946     if (swapchain->front_buffer) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->front_buffer);
 947
 948     return hr;
 949 }
 950
 951 struct wined3d_context *swapchain_create_context_for_thread(IWineD3DSwapChain *iface)
 952 {
 953     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *) iface;
 954     struct wined3d_context **newArray;
 955     struct wined3d_context *ctx;
 956
 957     TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
 958
 959     if (!(ctx = context_create(This, This->front_buffer, This->ds_format)))
 960     {
 961         ERR("Failed to create a new context for the swapchain\n");
 962         return NULL;
 963     }
 964     context_release(ctx);
 965
 966     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * This->num_contexts + 1);
 967     if(!newArray) {
 968         ERR("Out of memory when trying to allocate a new context array\n");
 969         context_destroy(This->device, ctx);
 970         return NULL;
 971     }
 972     memcpy(newArray, This->context, sizeof(*newArray) * This->num_contexts);
 973     HeapFree(GetProcessHeap(), 0, This->context);
 974     newArray[This->num_contexts] = ctx;
 975     This->context = newArray;
 976     This->num_contexts++;
 977
 978     TRACE("Returning context %p\n", ctx);
 979     return ctx;
 980 }
 981
 982 void get_drawable_size_swapchain(struct wined3d_context *context, UINT *width, UINT *height)
 983 {
 984     /* The drawable size of an onscreen drawable is the surface size.
 985      * (Actually: The window size, but the surface is created in window size) */
 986     *width = context->current_rt->currentDesc.Width;
 987     *height = context->current_rt->currentDesc.Height;
 988 }