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_bind_fbo(context, GL_READ_FRAMEBUFFER, &context->src_fbo);
 121         context_attach_surface_fbo(context, GL_READ_FRAMEBUFFER, 0, backbuffer);
 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->back_buffers[0]);
 146         context_apply_blit_state(context2, device);
 147
 148         if(backbuffer->Flags & SFLAG_NORMCOORD)
 149         {
 150             tex_left /= src_w;
 151             tex_right /= src_w;
 152             tex_top /= src_h;
 153             tex_bottom /= src_h;
 154         }
 155
 156         if (is_complex_fixup(backbuffer->resource.format_desc->color_fixup))
 157             gl_filter = GL_NEAREST;
 158
 159         ENTER_GL();
 160         context_bind_fbo(context2, GL_DRAW_FRAMEBUFFER, NULL);
 161
 162         /* Set up the texture. The surface is not in a IWineD3D*Texture container,
 163          * so there are no d3d texture settings to dirtify
 164          */
 165         device->blitter->set_shader((IWineD3DDevice *) device, backbuffer);
 166         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MIN_FILTER, gl_filter);
 167         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MAG_FILTER, gl_filter);
 168
 169         context_set_draw_buffer(context, GL_BACK);
 170
 171         /* Set the viewport to the destination rectandle, disable any projection
 172          * transformation set up by context_apply_blit_state(), and draw a
 173          * (-1,-1)-(1,1) quad.
 174          *
 175          * Back up viewport and matrix to avoid breaking last_was_blit
 176          *
 177          * Note that context_apply_blit_state() set up viewport and ortho to
 178          * match the surface size - we want the GL drawable(=window) size. */
 179         glPushAttrib(GL_VIEWPORT_BIT);
 180         glViewport(dst_rect->left, dst_rect->top, dst_rect->right, dst_rect->bottom);
 181         glMatrixMode(GL_PROJECTION);
 182         glPushMatrix();
 183         glLoadIdentity();
 184
 185         glBegin(GL_QUADS);
 186             /* bottom left */
 187             glTexCoord2f(tex_left, tex_bottom);
 188             glVertex2i(-1, -1);
 189
 190             /* top left */
 191             glTexCoord2f(tex_left, tex_top);
 192             glVertex2i(-1, 1);
 193
 194             /* top right */
 195             glTexCoord2f(tex_right, tex_top);
 196             glVertex2i(1, 1);
 197
 198             /* bottom right */
 199             glTexCoord2f(tex_right, tex_bottom);
 200             glVertex2i(1, -1);
 201         glEnd();
 202
 203         glPopMatrix();
 204         glPopAttrib();
 205
 206         device->blitter->unset_shader((IWineD3DDevice *) device);
 207         checkGLcall("Swapchain present blit(manual)\n");
 208         LEAVE_GL();
 209
 210         context_release(context2);
 211     }
 212 }
 213
 214 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 215     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 216     struct wined3d_context *context;
 217     RECT src_rect, dst_rect;
 218     BOOL render_to_fbo;
 219     unsigned int sync;
 220     int retval;
 221
 222     IWineD3DSwapChain_SetDestWindowOverride(iface, hDestWindowOverride);
 223
 224     context = context_acquire(This->device, This->back_buffers[0]);
 225     if (!context->valid)
 226     {
 227         context_release(context);
 228         WARN("Invalid context, skipping present.\n");
 229         return WINED3D_OK;
 230     }
 231
 232     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 233     if (This->device->bCursorVisible && This->device->cursorTexture)
 234     {
 235         IWineD3DSurfaceImpl cursor;
 236         RECT destRect =
 237         {
 238             This->device->xScreenSpace - This->device->xHotSpot,
 239             This->device->yScreenSpace - This->device->yHotSpot,
 240             This->device->xScreenSpace + This->device->cursorWidth - This->device->xHotSpot,
 241             This->device->yScreenSpace + This->device->cursorHeight - This->device->yHotSpot,
 242         };
 243         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 244         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 245          * the application because we are only supposed to copy the information out. Using a fake surface
 246          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 247          */
 248         memset(&cursor, 0, sizeof(cursor));
 249         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 250         cursor.resource.ref = 1;
 251         cursor.resource.device = This->device;
 252         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 253         cursor.resource.format_desc = getFormatDescEntry(WINED3DFMT_B8G8R8A8_UNORM, context->gl_info);
 254         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 255         cursor.texture_name = This->device->cursorTexture;
 256         cursor.texture_target = GL_TEXTURE_2D;
 257         cursor.texture_level = 0;
 258         cursor.currentDesc.Width = This->device->cursorWidth;
 259         cursor.currentDesc.Height = This->device->cursorHeight;
 260         /* The cursor must have pow2 sizes */
 261         cursor.pow2Width = cursor.currentDesc.Width;
 262         cursor.pow2Height = cursor.currentDesc.Height;
 263         /* The surface is in the texture */
 264         cursor.Flags |= SFLAG_INTEXTURE;
 265         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 266          * which is exactly what we want :-)
 267          */
 268         if (This->presentParms.Windowed) {
 269             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 270         }
 271         IWineD3DSurface_Blt((IWineD3DSurface *)This->back_buffers[0], &destRect, (IWineD3DSurface *)&cursor,
 272                 NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_POINT);
 273     }
 274
 275     if (This->device->logo_surface)
 276     {
 277         /* Blit the logo into the upper left corner of the drawable. */
 278         IWineD3DSurface_BltFast((IWineD3DSurface *)This->back_buffers[0], 0, 0,
 279                 This->device->logo_surface, NULL, WINEDDBLTFAST_SRCCOLORKEY);
 280     }
 281
 282     TRACE("Presenting HDC %p.\n", context->hdc);
 283
 284     render_to_fbo = This->render_to_fbo;
 285
 286     if (pSourceRect)
 287     {
 288         src_rect = *pSourceRect;
 289         if (!render_to_fbo && (src_rect.left || src_rect.top
 290                 || src_rect.right != This->presentParms.BackBufferWidth
 291                 || src_rect.bottom != This->presentParms.BackBufferHeight))
 292         {
 293             render_to_fbo = TRUE;
 294         }
 295     }
 296     else
 297     {
 298         src_rect.left = 0;
 299         src_rect.top = 0;
 300         src_rect.right = This->presentParms.BackBufferWidth;
 301         src_rect.bottom = This->presentParms.BackBufferHeight;
 302     }
 303
 304     if (pDestRect) dst_rect = *pDestRect;
 305     else GetClientRect(This->win_handle, &dst_rect);
 306
 307     if (!render_to_fbo && (dst_rect.left || dst_rect.top
 308             || dst_rect.right != This->presentParms.BackBufferWidth
 309             || dst_rect.bottom != This->presentParms.BackBufferHeight))
 310     {
 311         render_to_fbo = TRUE;
 312     }
 313
 314     /* Rendering to a window of different size, presenting partial rectangles,
 315      * or rendering to a different window needs help from FBO_blit or a textured
 316      * draw. Render the swapchain to a FBO in the future.
 317      *
 318      * Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
 319      * all these issues - this fails if the window is smaller than the backbuffer.
 320      */
 321     if (!This->render_to_fbo && render_to_fbo && wined3d_settings.offscreen_rendering_mode == ORM_FBO)
 322     {
 323         IWineD3DSurface_LoadLocation((IWineD3DSurface *)This->back_buffers[0], SFLAG_INTEXTURE, NULL);
 324         IWineD3DSurface_ModifyLocation((IWineD3DSurface *)This->back_buffers[0], SFLAG_INDRAWABLE, FALSE);
 325         This->render_to_fbo = TRUE;
 326
 327         /* Force the context manager to update the render target configuration next draw. */
 328         context->current_rt = NULL;
 329     }
 330
 331     if(This->render_to_fbo)
 332     {
 333         /* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
 334          * window size mismatch is impossible(fullscreen) and src and dst rectangles are
 335          * not allowed(they need the COPY swapeffect)
 336          *
 337          * The DISCARD swap effect is ok as well since any backbuffer content is allowed after
 338          * the swap
 339          */
 340         if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP )
 341         {
 342             FIXME("Render-to-fbo with WINED3DSWAPEFFECT_FLIP\n");
 343         }
 344
 345         swapchain_blit(This, context, &src_rect, &dst_rect);
 346     }
 347
 348     if (This->num_contexts > 1) wglFinish();
 349     SwapBuffers(context->hdc); /* TODO: cycle through the swapchain buffers */
 350
 351     TRACE("SwapBuffers called, Starting new frame\n");
 352     /* FPS support */
 353     if (TRACE_ON(fps))
 354     {
 355         DWORD time = GetTickCount();
 356         This->frames++;
 357         /* every 1.5 seconds */
 358         if (time - This->prev_time > 1500) {
 359             TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
 360             This->prev_time = time;
 361             This->frames = 0;
 362         }
 363     }
 364
 365 #if defined(FRAME_DEBUGGING)
 366 {
 367     if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
 368         if (!isOn) {
 369             isOn = TRUE;
 370             FIXME("Enabling D3D Trace\n");
 371             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
 372 #if defined(SHOW_FRAME_MAKEUP)
 373             FIXME("Singe Frame snapshots Starting\n");
 374             isDumpingFrames = TRUE;
 375             ENTER_GL();
 376             glClear(GL_COLOR_BUFFER_BIT);
 377             LEAVE_GL();
 378 #endif
 379
 380 #if defined(SINGLE_FRAME_DEBUGGING)
 381         } else {
 382 #if defined(SHOW_FRAME_MAKEUP)
 383             FIXME("Singe Frame snapshots Finishing\n");
 384             isDumpingFrames = FALSE;
 385 #endif
 386             FIXME("Singe Frame trace complete\n");
 387             DeleteFileA("C:\\D3DTRACE");
 388             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 389 #endif
 390         }
 391     } else {
 392         if (isOn) {
 393             isOn = FALSE;
 394 #if defined(SHOW_FRAME_MAKEUP)
 395             FIXME("Single Frame snapshots Finishing\n");
 396             isDumpingFrames = FALSE;
 397 #endif
 398             FIXME("Disabling D3D Trace\n");
 399             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 400         }
 401     }
 402 }
 403 #endif
 404
 405     /* This is disabled, but the code left in for debug purposes.
 406      *
 407      * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
 408      * we can clear it with some ugly color to make bad drawing visible and ease debugging.
 409      * The Debug runtime does the same on Windows. However, a few games do not redraw the
 410      * screen properly, like Max Payne 2, which leaves a few pixels undefined.
 411      *
 412      * Tests show that the content of the back buffer after a discard flip is indeed not
 413      * reliable, so no game can depend on the exact content. However, it resembles the
 414      * old contents in some way, for example by showing fragments at other locations. In
 415      * general, the color theme is still intact. So Max payne, which draws rather dark scenes
 416      * gets a dark background image. If we clear it with a bright ugly color, the game's
 417      * bug shows up much more than it does on Windows, and the players see single pixels
 418      * with wrong colors.
 419      * (The Max Payne bug has been confirmed on Windows with the debug runtime)
 420      */
 421     if (FALSE && This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
 422         TRACE("Clearing the color buffer with cyan color\n");
 423
 424         IWineD3DDevice_Clear((IWineD3DDevice *)This->device, 0, NULL,
 425                 WINED3DCLEAR_TARGET, 0xff00ffff, 1.0f, 0);
 426     }
 427
 428     if (!This->render_to_fbo && ((This->front_buffer->Flags & SFLAG_INSYSMEM)
 429             || (This->back_buffers[0]->Flags & SFLAG_INSYSMEM)))
 430     {
 431         /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
 432          * Doesn't work with render_to_fbo because we're not flipping
 433          */
 434         IWineD3DSurfaceImpl *front = This->front_buffer;
 435         IWineD3DSurfaceImpl *back = This->back_buffers[0];
 436
 437         if(front->resource.size == back->resource.size) {
 438             DWORD fbflags;
 439             flip_surface(front, back);
 440
 441             /* Tell the front buffer surface that is has been modified. However,
 442              * the other locations were preserved during that, so keep the flags.
 443              * This serves to update the emulated overlay, if any
 444              */
 445             fbflags = front->Flags;
 446             IWineD3DSurface_ModifyLocation((IWineD3DSurface *)front, SFLAG_INDRAWABLE, TRUE);
 447             front->Flags = fbflags;
 448         } else {
 449             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) front, SFLAG_INDRAWABLE, TRUE);
 450             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) back, SFLAG_INDRAWABLE, TRUE);
 451         }
 452     }
 453     else
 454     {
 455         IWineD3DSurface_ModifyLocation((IWineD3DSurface *)This->front_buffer, SFLAG_INDRAWABLE, TRUE);
 456         /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
 457          * and INTEXTURE copies can keep their old content if they have any defined content.
 458          * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
 459          * the texture / sysmem copy needs to be reloaded from the drawable
 460          */
 461         if (This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP)
 462         {
 463             IWineD3DSurface_ModifyLocation((IWineD3DSurface *)This->back_buffers[0], SFLAG_INDRAWABLE, TRUE);
 464         }
 465     }
 466
 467     if (This->device->depth_stencil)
 468     {
 469         if (This->presentParms.Flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
 470                 || This->device->depth_stencil->Flags & SFLAG_DISCARD)
 471         {
 472             surface_modify_ds_location(This->device->depth_stencil, SFLAG_DS_DISCARDED,
 473                     This->device->depth_stencil->currentDesc.Width,
 474                     This->device->depth_stencil->currentDesc.Height);
 475             if (This->device->depth_stencil == This->device->onscreen_depth_stencil)
 476             {
 477                 IWineD3DSurface_Release((IWineD3DSurface *)This->device->onscreen_depth_stencil);
 478                 This->device->onscreen_depth_stencil = NULL;
 479             }
 480         }
 481     }
 482
 483     if (This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE
 484             && context->gl_info->supported[SGI_VIDEO_SYNC])
 485     {
 486         retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
 487         if(retval != 0) {
 488             ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
 489         }
 490
 491         switch(This->presentParms.PresentationInterval) {
 492             case WINED3DPRESENT_INTERVAL_DEFAULT:
 493             case WINED3DPRESENT_INTERVAL_ONE:
 494                 if(sync <= This->vSyncCounter) {
 495                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
 496                 } else {
 497                     This->vSyncCounter = sync;
 498                 }
 499                 break;
 500             case WINED3DPRESENT_INTERVAL_TWO:
 501                 if(sync <= This->vSyncCounter + 1) {
 502                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
 503                 } else {
 504                     This->vSyncCounter = sync;
 505                 }
 506                 break;
 507             case WINED3DPRESENT_INTERVAL_THREE:
 508                 if(sync <= This->vSyncCounter + 2) {
 509                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
 510                 } else {
 511                     This->vSyncCounter = sync;
 512                 }
 513                 break;
 514             case WINED3DPRESENT_INTERVAL_FOUR:
 515                 if(sync <= This->vSyncCounter + 3) {
 516                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
 517                 } else {
 518                     This->vSyncCounter = sync;
 519                 }
 520                 break;
 521             default:
 522                 FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
 523         }
 524     }
 525
 526     context_release(context);
 527
 528     TRACE("returning\n");
 529     return WINED3D_OK;
 530 }
 531
 532 static HRESULT WINAPI IWineD3DSwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window)
 533 {
 534     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 535
 536     if (!window) window = swapchain->device_window;
 537     if (window == swapchain->win_handle) return WINED3D_OK;
 538
 539     TRACE("Setting swapchain %p window from %p to %p\n", swapchain, swapchain->win_handle, window);
 540     swapchain->win_handle = window;
 541
 542     return WINED3D_OK;
 543 }
 544
 545 static const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 546 {
 547     /* IUnknown */
 548     IWineD3DBaseSwapChainImpl_QueryInterface,
 549     IWineD3DBaseSwapChainImpl_AddRef,
 550     IWineD3DBaseSwapChainImpl_Release,
 551     /* IWineD3DSwapChain */
 552     IWineD3DBaseSwapChainImpl_GetParent,
 553     IWineD3DSwapChainImpl_Destroy,
 554     IWineD3DBaseSwapChainImpl_GetDevice,
 555     IWineD3DSwapChainImpl_Present,
 556     IWineD3DSwapChainImpl_SetDestWindowOverride,
 557     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 558     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 559     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 560     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 561     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 562     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 563     IWineD3DBaseSwapChainImpl_GetGammaRamp
 564 };
 565
 566 static LONG fullscreen_style(LONG style)
 567 {
 568     /* Make sure the window is managed, otherwise we won't get keyboard input. */
 569     style |= WS_POPUP | WS_SYSMENU;
 570     style &= ~(WS_CAPTION | WS_THICKFRAME);
 571
 572     return style;
 573 }
 574
 575 static LONG fullscreen_exstyle(LONG exstyle)
 576 {
 577     /* Filter out window decorations. */
 578     exstyle &= ~(WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
 579
 580     return exstyle;
 581 }
 582
 583 void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w, UINT h)
 584 {
 585     IWineD3DDeviceImpl *device = swapchain->device;
 586     HWND window = swapchain->device_window;
 587     BOOL filter_messages;
 588     LONG style, exstyle;
 589
 590     TRACE("Setting up window %p for fullscreen mode.\n", window);
 591
 592     if (device->style || device->exStyle)
 593     {
 594         ERR("Changing the window style for window %p, but another style (%08x, %08x) is already stored.\n",
 595                 window, device->style, device->exStyle);
 596     }
 597
 598     device->style = GetWindowLongW(window, GWL_STYLE);
 599     device->exStyle = GetWindowLongW(window, GWL_EXSTYLE);
 600
 601     style = fullscreen_style(device->style);
 602     exstyle = fullscreen_exstyle(device->exStyle);
 603
 604     TRACE("Old style was %08x, %08x, setting to %08x, %08x.\n",
 605             device->style, device->exStyle, style, exstyle);
 606
 607     filter_messages = device->filter_messages;
 608     device->filter_messages = TRUE;
 609
 610     SetWindowLongW(window, GWL_STYLE, style);
 611     SetWindowLongW(window, GWL_EXSTYLE, exstyle);
 612     SetWindowPos(window, HWND_TOP, 0, 0, w, h, SWP_FRAMECHANGED | SWP_SHOWWINDOW | SWP_NOACTIVATE);
 613
 614     device->filter_messages = filter_messages;
 615 }
 616
 617 void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain)
 618 {
 619     IWineD3DDeviceImpl *device = swapchain->device;
 620     HWND window = swapchain->device_window;
 621     BOOL filter_messages;
 622     LONG style, exstyle;
 623
 624     if (!device->style && !device->exStyle) return;
 625
 626     TRACE("Restoring window style of window %p to %08x, %08x.\n",
 627             window, device->style, device->exStyle);
 628
 629     style = GetWindowLongW(window, GWL_STYLE);
 630     exstyle = GetWindowLongW(window, GWL_EXSTYLE);
 631
 632     filter_messages = device->filter_messages;
 633     device->filter_messages = TRUE;
 634
 635     /* Only restore the style if the application didn't modify it during the
 636      * fullscreen phase. Some applications change it before calling Reset()
 637      * when switching between windowed and fullscreen modes (HL2), some
 638      * depend on the original style (Eve Online). */
 639     if (style == fullscreen_style(device->style) && exstyle == fullscreen_exstyle(device->exStyle))
 640     {
 641         SetWindowLongW(window, GWL_STYLE, device->style);
 642         SetWindowLongW(window, GWL_EXSTYLE, device->exStyle);
 643     }
 644     SetWindowPos(window, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
 645
 646     device->filter_messages = filter_messages;
 647
 648     /* Delete the old values. */
 649     device->style = 0;
 650     device->exStyle = 0;
 651 }
 652
 653
 654 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
 655         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, IUnknown *parent)
 656 {
 657     const struct wined3d_adapter *adapter = device->adapter;
 658     const struct wined3d_format_desc *format_desc;
 659     BOOL displaymode_set = FALSE;
 660     WINED3DDISPLAYMODE mode;
 661     RECT client_rect;
 662     HWND window;
 663     HRESULT hr;
 664     UINT i;
 665
 666     if (present_parameters->BackBufferCount > WINED3DPRESENT_BACK_BUFFER_MAX)
 667     {
 668         FIXME("The application requested %u back buffers, this is not supported.\n",
 669                 present_parameters->BackBufferCount);
 670         return WINED3DERR_INVALIDCALL;
 671     }
 672
 673     if (present_parameters->BackBufferCount > 1)
 674     {
 675         FIXME("The application requested more than one back buffer, this is not properly supported.\n"
 676                 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
 677     }
 678
 679     switch (surface_type)
 680     {
 681         case SURFACE_GDI:
 682             swapchain->lpVtbl = &IWineGDISwapChain_Vtbl;
 683             break;
 684
 685         case SURFACE_OPENGL:
 686             swapchain->lpVtbl = &IWineD3DSwapChain_Vtbl;
 687             break;
 688
 689         case SURFACE_UNKNOWN:
 690             FIXME("Caller tried to create a SURFACE_UNKNOWN swapchain.\n");
 691             return WINED3DERR_INVALIDCALL;
 692     }
 693
 694     window = present_parameters->hDeviceWindow ? present_parameters->hDeviceWindow : device->createParms.hFocusWindow;
 695
 696     swapchain->device = device;
 697     swapchain->parent = parent;
 698     swapchain->ref = 1;
 699     swapchain->win_handle = window;
 700     swapchain->device_window = window;
 701
 702     if (!present_parameters->Windowed && window)
 703     {
 704         swapchain_setup_fullscreen_window(swapchain, present_parameters->BackBufferWidth,
 705                 present_parameters->BackBufferHeight);
 706     }
 707
 708     IWineD3D_GetAdapterDisplayMode(device->wined3d, adapter->ordinal, &mode);
 709     swapchain->orig_width = mode.Width;
 710     swapchain->orig_height = mode.Height;
 711     swapchain->orig_fmt = mode.Format;
 712     format_desc = getFormatDescEntry(mode.Format, &adapter->gl_info);
 713
 714     GetClientRect(window, &client_rect);
 715     if (present_parameters->Windowed
 716             && (!present_parameters->BackBufferWidth || !present_parameters->BackBufferHeight
 717             || present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN))
 718     {
 719
 720         if (!present_parameters->BackBufferWidth)
 721         {
 722             present_parameters->BackBufferWidth = client_rect.right;
 723             TRACE("Updating width to %u.\n", present_parameters->BackBufferWidth);
 724         }
 725
 726         if (!present_parameters->BackBufferHeight)
 727         {
 728             present_parameters->BackBufferHeight = client_rect.bottom;
 729             TRACE("Updating height to %u.\n", present_parameters->BackBufferHeight);
 730         }
 731
 732         if (present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN)
 733         {
 734             present_parameters->BackBufferFormat = swapchain->orig_fmt;
 735             TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
 736         }
 737     }
 738     swapchain->presentParms = *present_parameters;
 739
 740     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
 741             && present_parameters->BackBufferCount
 742             && (present_parameters->BackBufferWidth != client_rect.right
 743             || present_parameters->BackBufferHeight != client_rect.bottom))
 744     {
 745         TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u.\n",
 746                 present_parameters->BackBufferWidth,
 747                 present_parameters->BackBufferHeight,
 748                 client_rect.right, client_rect.bottom);
 749         swapchain->render_to_fbo = TRUE;
 750     }
 751
 752     TRACE("Creating front buffer.\n");
 753     hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 754             swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 755             swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 756             swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 757             (IWineD3DSurface **)&swapchain->front_buffer);
 758     if (FAILED(hr))
 759     {
 760         WARN("Failed to create front buffer, hr %#x.\n", hr);
 761         goto err;
 762     }
 763
 764     IWineD3DSurface_SetContainer((IWineD3DSurface *)swapchain->front_buffer, (IWineD3DBase *)swapchain);
 765     swapchain->front_buffer->Flags |= SFLAG_SWAPCHAIN;
 766     if (surface_type == SURFACE_OPENGL)
 767     {
 768         IWineD3DSurface_ModifyLocation((IWineD3DSurface *)swapchain->front_buffer, SFLAG_INDRAWABLE, TRUE);
 769     }
 770
 771     /* MSDN says we're only allowed a single fullscreen swapchain per device,
 772      * so we should really check to see if there is a fullscreen swapchain
 773      * already. Does a single head count as full screen? */
 774
 775     if (!present_parameters->Windowed)
 776     {
 777         WINED3DDISPLAYMODE mode;
 778
 779         /* Change the display settings */
 780         mode.Width = present_parameters->BackBufferWidth;
 781         mode.Height = present_parameters->BackBufferHeight;
 782         mode.Format = present_parameters->BackBufferFormat;
 783         mode.RefreshRate = present_parameters->FullScreen_RefreshRateInHz;
 784
 785         hr = IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)device, 0, &mode);
 786         if (FAILED(hr))
 787         {
 788             WARN("Failed to set display mode, hr %#x.\n", hr);
 789             goto err;
 790         }
 791         displaymode_set = TRUE;
 792     }
 793
 794     swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(swapchain->context));
 795     if (!swapchain->context)
 796     {
 797         ERR("Failed to create the context array.\n");
 798         hr = E_OUTOFMEMORY;
 799         goto err;
 800     }
 801     swapchain->num_contexts = 1;
 802
 803     if (surface_type == SURFACE_OPENGL)
 804     {
 805         const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 806
 807         /* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
 808          * You are able to add a depth + stencil surface at a later stage when you need it.
 809          * In order to support this properly in WineD3D we need the ability to recreate the opengl context and
 810          * drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
 811          * context, need torecreate shaders, textures and other resources.
 812          *
 813          * The context manager already takes care of the state problem and for the other tasks code from Reset
 814          * can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
 815          * Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
 816          * time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
 817          * issue needs to be fixed. */
 818         if (!present_parameters->EnableAutoDepthStencil
 819                 || swapchain->presentParms.AutoDepthStencilFormat != WINED3DFMT_D24_UNORM_S8_UINT)
 820         {
 821             FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
 822         }
 823         swapchain->ds_format = getFormatDescEntry(WINED3DFMT_D24_UNORM_S8_UINT, gl_info);
 824         swapchain->context[0] = context_create(swapchain, swapchain->front_buffer, swapchain->ds_format);
 825         if (!swapchain->context[0])
 826         {
 827             WARN("Failed to create context.\n");
 828             hr = WINED3DERR_NOTAVAILABLE;
 829             goto err;
 830         }
 831         context_release(swapchain->context[0]);
 832     }
 833     else
 834     {
 835         swapchain->context[0] = NULL;
 836     }
 837
 838     if (swapchain->presentParms.BackBufferCount > 0)
 839     {
 840         swapchain->back_buffers = HeapAlloc(GetProcessHeap(), 0,
 841                 sizeof(*swapchain->back_buffers) * swapchain->presentParms.BackBufferCount);
 842         if (!swapchain->back_buffers)
 843         {
 844             ERR("Failed to allocate backbuffer array memory.\n");
 845             hr = E_OUTOFMEMORY;
 846             goto err;
 847         }
 848
 849         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 850         {
 851             TRACE("Creating back buffer %u.\n", i);
 852             hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 853                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 854                     swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 855                     swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 856                     (IWineD3DSurface **)&swapchain->back_buffers[i]);
 857             if (FAILED(hr))
 858             {
 859                 WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
 860                 goto err;
 861             }
 862
 863             IWineD3DSurface_SetContainer((IWineD3DSurface *)swapchain->back_buffers[i], (IWineD3DBase *)swapchain);
 864             swapchain->back_buffers[i]->Flags |= SFLAG_SWAPCHAIN;
 865         }
 866     }
 867
 868     /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
 869     if (present_parameters->EnableAutoDepthStencil && surface_type == SURFACE_OPENGL)
 870     {
 871         TRACE("Creating depth/stencil buffer.\n");
 872         if (!device->auto_depth_stencil)
 873         {
 874             hr = IWineD3DDeviceParent_CreateDepthStencilSurface(device->device_parent, parent,
 875                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 876                     swapchain->presentParms.AutoDepthStencilFormat, swapchain->presentParms.MultiSampleType,
 877                     swapchain->presentParms.MultiSampleQuality, FALSE /* FIXME: Discard */,
 878                     (IWineD3DSurface **)&device->auto_depth_stencil);
 879             if (FAILED(hr))
 880             {
 881                 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
 882                 goto err;
 883             }
 884
 885             IWineD3DSurface_SetContainer((IWineD3DSurface *)device->auto_depth_stencil, NULL);
 886         }
 887     }
 888
 889     IWineD3DSwapChain_GetGammaRamp((IWineD3DSwapChain *)swapchain, &swapchain->orig_gamma);
 890
 891     return WINED3D_OK;
 892
 893 err:
 894     if (displaymode_set)
 895     {
 896         DEVMODEW devmode;
 897
 898         ClipCursor(NULL);
 899
 900         /* Change the display settings */
 901         memset(&devmode, 0, sizeof(devmode));
 902         devmode.dmSize = sizeof(devmode);
 903         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 904         devmode.dmBitsPerPel = format_desc->byte_count * 8;
 905         devmode.dmPelsWidth = swapchain->orig_width;
 906         devmode.dmPelsHeight = swapchain->orig_height;
 907         ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
 908     }
 909
 910     if (swapchain->back_buffers)
 911     {
 912         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 913         {
 914             if (swapchain->back_buffers[i]) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->back_buffers[i]);
 915         }
 916         HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
 917     }
 918
 919     if (swapchain->context)
 920     {
 921         if (swapchain->context[0])
 922         {
 923             context_release(swapchain->context[0]);
 924             context_destroy(device, swapchain->context[0]);
 925             swapchain->num_contexts = 0;
 926         }
 927         HeapFree(GetProcessHeap(), 0, swapchain->context);
 928     }
 929
 930     if (swapchain->front_buffer) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->front_buffer);
 931
 932     return hr;
 933 }
 934
 935 struct wined3d_context *swapchain_create_context_for_thread(IWineD3DSwapChain *iface)
 936 {
 937     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *) iface;
 938     struct wined3d_context **newArray;
 939     struct wined3d_context *ctx;
 940
 941     TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
 942
 943     if (!(ctx = context_create(This, This->front_buffer, This->ds_format)))
 944     {
 945         ERR("Failed to create a new context for the swapchain\n");
 946         return NULL;
 947     }
 948     context_release(ctx);
 949
 950     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * This->num_contexts + 1);
 951     if(!newArray) {
 952         ERR("Out of memory when trying to allocate a new context array\n");
 953         context_destroy(This->device, ctx);
 954         return NULL;
 955     }
 956     memcpy(newArray, This->context, sizeof(*newArray) * This->num_contexts);
 957     HeapFree(GetProcessHeap(), 0, This->context);
 958     newArray[This->num_contexts] = ctx;
 959     This->context = newArray;
 960     This->num_contexts++;
 961
 962     TRACE("Returning context %p\n", ctx);
 963     return ctx;
 964 }
 965
 966 void get_drawable_size_swapchain(struct wined3d_context *context, UINT *width, UINT *height)
 967 {
 968     /* The drawable size of an onscreen drawable is the surface size.
 969      * (Actually: The window size, but the surface is created in window size) */
 970     *width = context->current_rt->currentDesc.Width;
 971     *height = context->current_rt->currentDesc.Height;
 972 }