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     RECT win_rect;
 109     UINT win_h;
 110
 111     TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
 112             This, context, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect));
 113
 114     if (src_w == dst_rect->right - dst_rect->left && src_h == dst_rect->bottom - dst_rect->top)
 115         gl_filter = GL_NEAREST;
 116     else
 117         gl_filter = GL_LINEAR;
 118
 119     GetClientRect(This->win_handle, &win_rect);
 120     win_h = win_rect.bottom - win_rect.top;
 121
 122     if (gl_info->fbo_ops.glBlitFramebuffer && is_identity_fixup(backbuffer->resource.format_desc->color_fixup))
 123     {
 124         ENTER_GL();
 125         context_apply_fbo_state_blit(context, GL_READ_FRAMEBUFFER, backbuffer, NULL);
 126         glReadBuffer(GL_COLOR_ATTACHMENT0);
 127
 128         context_bind_fbo(context, GL_DRAW_FRAMEBUFFER, NULL);
 129         context_set_draw_buffer(context, GL_BACK);
 130
 131         glDisable(GL_SCISSOR_TEST);
 132         IWineD3DDeviceImpl_MarkStateDirty(This->device, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE));
 133
 134         /* Note that the texture is upside down */
 135         gl_info->fbo_ops.glBlitFramebuffer(src_rect->left, src_rect->top, src_rect->right, src_rect->bottom,
 136                 dst_rect->left, win_h - dst_rect->top, dst_rect->right, win_h - dst_rect->bottom,
 137                 GL_COLOR_BUFFER_BIT, gl_filter);
 138         checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
 139         LEAVE_GL();
 140     }
 141     else
 142     {
 143         struct wined3d_context *context2;
 144         float tex_left = src_rect->left;
 145         float tex_top = src_rect->top;
 146         float tex_right = src_rect->right;
 147         float tex_bottom = src_rect->bottom;
 148
 149         context2 = context_acquire(This->device, This->back_buffers[0]);
 150         context_apply_blit_state(context2, device);
 151
 152         if(backbuffer->Flags & SFLAG_NORMCOORD)
 153         {
 154             tex_left /= src_w;
 155             tex_right /= src_w;
 156             tex_top /= src_h;
 157             tex_bottom /= src_h;
 158         }
 159
 160         if (is_complex_fixup(backbuffer->resource.format_desc->color_fixup))
 161             gl_filter = GL_NEAREST;
 162
 163         ENTER_GL();
 164         context_bind_fbo(context2, GL_DRAW_FRAMEBUFFER, NULL);
 165
 166         /* Set up the texture. The surface is not in a IWineD3D*Texture container,
 167          * so there are no d3d texture settings to dirtify
 168          */
 169         device->blitter->set_shader((IWineD3DDevice *) device, backbuffer);
 170         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MIN_FILTER, gl_filter);
 171         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MAG_FILTER, gl_filter);
 172
 173         context_set_draw_buffer(context, GL_BACK);
 174
 175         /* Set the viewport to the destination rectandle, disable any projection
 176          * transformation set up by context_apply_blit_state(), and draw a
 177          * (-1,-1)-(1,1) quad.
 178          *
 179          * Back up viewport and matrix to avoid breaking last_was_blit
 180          *
 181          * Note that context_apply_blit_state() set up viewport and ortho to
 182          * match the surface size - we want the GL drawable(=window) size. */
 183         glPushAttrib(GL_VIEWPORT_BIT);
 184         glViewport(dst_rect->left, win_h - dst_rect->bottom, dst_rect->right, win_h - dst_rect->top);
 185         glMatrixMode(GL_PROJECTION);
 186         glPushMatrix();
 187         glLoadIdentity();
 188
 189         glBegin(GL_QUADS);
 190             /* bottom left */
 191             glTexCoord2f(tex_left, tex_bottom);
 192             glVertex2i(-1, -1);
 193
 194             /* top left */
 195             glTexCoord2f(tex_left, tex_top);
 196             glVertex2i(-1, 1);
 197
 198             /* top right */
 199             glTexCoord2f(tex_right, tex_top);
 200             glVertex2i(1, 1);
 201
 202             /* bottom right */
 203             glTexCoord2f(tex_right, tex_bottom);
 204             glVertex2i(1, -1);
 205         glEnd();
 206
 207         glPopMatrix();
 208         glPopAttrib();
 209
 210         device->blitter->unset_shader((IWineD3DDevice *) device);
 211         checkGLcall("Swapchain present blit(manual)\n");
 212         LEAVE_GL();
 213
 214         context_release(context2);
 215     }
 216 }
 217
 218 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 219     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 220     struct wined3d_context *context;
 221     RECT src_rect, dst_rect;
 222     BOOL render_to_fbo;
 223     unsigned int sync;
 224     int retval;
 225
 226     IWineD3DSwapChain_SetDestWindowOverride(iface, hDestWindowOverride);
 227
 228     context = context_acquire(This->device, This->back_buffers[0]);
 229     if (!context->valid)
 230     {
 231         context_release(context);
 232         WARN("Invalid context, skipping present.\n");
 233         return WINED3D_OK;
 234     }
 235
 236     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 237     if (This->device->bCursorVisible && This->device->cursorTexture)
 238     {
 239         IWineD3DSurfaceImpl cursor;
 240         RECT destRect =
 241         {
 242             This->device->xScreenSpace - This->device->xHotSpot,
 243             This->device->yScreenSpace - This->device->yHotSpot,
 244             This->device->xScreenSpace + This->device->cursorWidth - This->device->xHotSpot,
 245             This->device->yScreenSpace + This->device->cursorHeight - This->device->yHotSpot,
 246         };
 247         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 248         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 249          * the application because we are only supposed to copy the information out. Using a fake surface
 250          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 251          */
 252         memset(&cursor, 0, sizeof(cursor));
 253         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 254         cursor.resource.ref = 1;
 255         cursor.resource.device = This->device;
 256         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 257         cursor.resource.format_desc = getFormatDescEntry(WINED3DFMT_B8G8R8A8_UNORM, context->gl_info);
 258         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 259         cursor.texture_name = This->device->cursorTexture;
 260         cursor.texture_target = GL_TEXTURE_2D;
 261         cursor.texture_level = 0;
 262         cursor.currentDesc.Width = This->device->cursorWidth;
 263         cursor.currentDesc.Height = This->device->cursorHeight;
 264         /* The cursor must have pow2 sizes */
 265         cursor.pow2Width = cursor.currentDesc.Width;
 266         cursor.pow2Height = cursor.currentDesc.Height;
 267         /* The surface is in the texture */
 268         cursor.Flags |= SFLAG_INTEXTURE;
 269         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 270          * which is exactly what we want :-)
 271          */
 272         if (This->presentParms.Windowed) {
 273             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 274         }
 275         IWineD3DSurface_Blt((IWineD3DSurface *)This->back_buffers[0], &destRect, (IWineD3DSurface *)&cursor,
 276                 NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_POINT);
 277     }
 278
 279     if (This->device->logo_surface)
 280     {
 281         /* Blit the logo into the upper left corner of the drawable. */
 282         IWineD3DSurface_BltFast((IWineD3DSurface *)This->back_buffers[0], 0, 0,
 283                 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((IWineD3DSurface *)This->back_buffers[0], SFLAG_INTEXTURE, NULL);
 328         IWineD3DSurface_ModifyLocation((IWineD3DSurface *)This->back_buffers[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 && ((This->front_buffer->Flags & SFLAG_INSYSMEM)
 433             || (This->back_buffers[0]->Flags & SFLAG_INSYSMEM)))
 434     {
 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 = This->front_buffer;
 439         IWineD3DSurfaceImpl *back = This->back_buffers[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((IWineD3DSurface *)front, 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     }
 457     else
 458     {
 459         IWineD3DSurface_ModifyLocation((IWineD3DSurface *)This->front_buffer, SFLAG_INDRAWABLE, TRUE);
 460         /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
 461          * and INTEXTURE copies can keep their old content if they have any defined content.
 462          * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
 463          * the texture / sysmem copy needs to be reloaded from the drawable
 464          */
 465         if (This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP)
 466         {
 467             IWineD3DSurface_ModifyLocation((IWineD3DSurface *)This->back_buffers[0], SFLAG_INDRAWABLE, TRUE);
 468         }
 469     }
 470
 471     if (This->device->depth_stencil)
 472     {
 473         if (This->presentParms.Flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
 474                 || This->device->depth_stencil->Flags & SFLAG_DISCARD)
 475         {
 476             surface_modify_ds_location(This->device->depth_stencil, SFLAG_DS_DISCARDED,
 477                     This->device->depth_stencil->currentDesc.Width,
 478                     This->device->depth_stencil->currentDesc.Height);
 479             if (This->device->depth_stencil == This->device->onscreen_depth_stencil)
 480             {
 481                 IWineD3DSurface_Release((IWineD3DSurface *)This->device->onscreen_depth_stencil);
 482                 This->device->onscreen_depth_stencil = NULL;
 483             }
 484         }
 485     }
 486
 487     if (This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE
 488             && context->gl_info->supported[SGI_VIDEO_SYNC])
 489     {
 490         retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
 491         if(retval != 0) {
 492             ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
 493         }
 494
 495         switch(This->presentParms.PresentationInterval) {
 496             case WINED3DPRESENT_INTERVAL_DEFAULT:
 497             case WINED3DPRESENT_INTERVAL_ONE:
 498                 if(sync <= This->vSyncCounter) {
 499                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
 500                 } else {
 501                     This->vSyncCounter = sync;
 502                 }
 503                 break;
 504             case WINED3DPRESENT_INTERVAL_TWO:
 505                 if(sync <= This->vSyncCounter + 1) {
 506                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
 507                 } else {
 508                     This->vSyncCounter = sync;
 509                 }
 510                 break;
 511             case WINED3DPRESENT_INTERVAL_THREE:
 512                 if(sync <= This->vSyncCounter + 2) {
 513                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
 514                 } else {
 515                     This->vSyncCounter = sync;
 516                 }
 517                 break;
 518             case WINED3DPRESENT_INTERVAL_FOUR:
 519                 if(sync <= This->vSyncCounter + 3) {
 520                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
 521                 } else {
 522                     This->vSyncCounter = sync;
 523                 }
 524                 break;
 525             default:
 526                 FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
 527         }
 528     }
 529
 530     context_release(context);
 531
 532     TRACE("returning\n");
 533     return WINED3D_OK;
 534 }
 535
 536 static HRESULT WINAPI IWineD3DSwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window)
 537 {
 538     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 539
 540     if (!window) window = swapchain->device_window;
 541     if (window == swapchain->win_handle) return WINED3D_OK;
 542
 543     TRACE("Setting swapchain %p window from %p to %p\n", swapchain, swapchain->win_handle, window);
 544     swapchain->win_handle = window;
 545
 546     return WINED3D_OK;
 547 }
 548
 549 static const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 550 {
 551     /* IUnknown */
 552     IWineD3DBaseSwapChainImpl_QueryInterface,
 553     IWineD3DBaseSwapChainImpl_AddRef,
 554     IWineD3DBaseSwapChainImpl_Release,
 555     /* IWineD3DSwapChain */
 556     IWineD3DBaseSwapChainImpl_GetParent,
 557     IWineD3DSwapChainImpl_Destroy,
 558     IWineD3DBaseSwapChainImpl_GetDevice,
 559     IWineD3DSwapChainImpl_Present,
 560     IWineD3DSwapChainImpl_SetDestWindowOverride,
 561     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 562     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 563     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 564     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 565     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 566     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 567     IWineD3DBaseSwapChainImpl_GetGammaRamp
 568 };
 569
 570 static LONG fullscreen_style(LONG style)
 571 {
 572     /* Make sure the window is managed, otherwise we won't get keyboard input. */
 573     style |= WS_POPUP | WS_SYSMENU;
 574     style &= ~(WS_CAPTION | WS_THICKFRAME);
 575
 576     return style;
 577 }
 578
 579 static LONG fullscreen_exstyle(LONG exstyle)
 580 {
 581     /* Filter out window decorations. */
 582     exstyle &= ~(WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
 583
 584     return exstyle;
 585 }
 586
 587 void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w, UINT h)
 588 {
 589     IWineD3DDeviceImpl *device = swapchain->device;
 590     HWND window = swapchain->device_window;
 591     BOOL filter_messages;
 592     LONG style, exstyle;
 593
 594     TRACE("Setting up window %p for fullscreen mode.\n", window);
 595
 596     if (device->style || device->exStyle)
 597     {
 598         ERR("Changing the window style for window %p, but another style (%08x, %08x) is already stored.\n",
 599                 window, device->style, device->exStyle);
 600     }
 601
 602     device->style = GetWindowLongW(window, GWL_STYLE);
 603     device->exStyle = GetWindowLongW(window, GWL_EXSTYLE);
 604
 605     style = fullscreen_style(device->style);
 606     exstyle = fullscreen_exstyle(device->exStyle);
 607
 608     TRACE("Old style was %08x, %08x, setting to %08x, %08x.\n",
 609             device->style, device->exStyle, style, exstyle);
 610
 611     filter_messages = device->filter_messages;
 612     device->filter_messages = TRUE;
 613
 614     SetWindowLongW(window, GWL_STYLE, style);
 615     SetWindowLongW(window, GWL_EXSTYLE, exstyle);
 616     SetWindowPos(window, HWND_TOP, 0, 0, w, h, SWP_FRAMECHANGED | SWP_SHOWWINDOW | SWP_NOACTIVATE);
 617
 618     device->filter_messages = filter_messages;
 619 }
 620
 621 void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain)
 622 {
 623     IWineD3DDeviceImpl *device = swapchain->device;
 624     HWND window = swapchain->device_window;
 625     BOOL filter_messages;
 626     LONG style, exstyle;
 627
 628     if (!device->style && !device->exStyle) return;
 629
 630     TRACE("Restoring window style of window %p to %08x, %08x.\n",
 631             window, device->style, device->exStyle);
 632
 633     style = GetWindowLongW(window, GWL_STYLE);
 634     exstyle = GetWindowLongW(window, GWL_EXSTYLE);
 635
 636     filter_messages = device->filter_messages;
 637     device->filter_messages = TRUE;
 638
 639     /* Only restore the style if the application didn't modify it during the
 640      * fullscreen phase. Some applications change it before calling Reset()
 641      * when switching between windowed and fullscreen modes (HL2), some
 642      * depend on the original style (Eve Online). */
 643     if (style == fullscreen_style(device->style) && exstyle == fullscreen_exstyle(device->exStyle))
 644     {
 645         SetWindowLongW(window, GWL_STYLE, device->style);
 646         SetWindowLongW(window, GWL_EXSTYLE, device->exStyle);
 647     }
 648     SetWindowPos(window, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
 649
 650     device->filter_messages = filter_messages;
 651
 652     /* Delete the old values. */
 653     device->style = 0;
 654     device->exStyle = 0;
 655 }
 656
 657
 658 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
 659         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, IUnknown *parent)
 660 {
 661     const struct wined3d_adapter *adapter = device->adapter;
 662     const struct wined3d_format_desc *format_desc;
 663     BOOL displaymode_set = FALSE;
 664     WINED3DDISPLAYMODE mode;
 665     RECT client_rect;
 666     HWND window;
 667     HRESULT hr;
 668     UINT i;
 669
 670     if (present_parameters->BackBufferCount > WINED3DPRESENT_BACK_BUFFER_MAX)
 671     {
 672         FIXME("The application requested %u back buffers, this is not supported.\n",
 673                 present_parameters->BackBufferCount);
 674         return WINED3DERR_INVALIDCALL;
 675     }
 676
 677     if (present_parameters->BackBufferCount > 1)
 678     {
 679         FIXME("The application requested more than one back buffer, this is not properly supported.\n"
 680                 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
 681     }
 682
 683     switch (surface_type)
 684     {
 685         case SURFACE_GDI:
 686             swapchain->lpVtbl = &IWineGDISwapChain_Vtbl;
 687             break;
 688
 689         case SURFACE_OPENGL:
 690             swapchain->lpVtbl = &IWineD3DSwapChain_Vtbl;
 691             break;
 692
 693         case SURFACE_UNKNOWN:
 694             FIXME("Caller tried to create a SURFACE_UNKNOWN swapchain.\n");
 695             return WINED3DERR_INVALIDCALL;
 696     }
 697
 698     window = present_parameters->hDeviceWindow ? present_parameters->hDeviceWindow : device->createParms.hFocusWindow;
 699
 700     swapchain->device = device;
 701     swapchain->parent = parent;
 702     swapchain->ref = 1;
 703     swapchain->win_handle = window;
 704     swapchain->device_window = window;
 705
 706     if (!present_parameters->Windowed && window)
 707     {
 708         swapchain_setup_fullscreen_window(swapchain, present_parameters->BackBufferWidth,
 709                 present_parameters->BackBufferHeight);
 710     }
 711
 712     IWineD3D_GetAdapterDisplayMode(device->wined3d, adapter->ordinal, &mode);
 713     swapchain->orig_width = mode.Width;
 714     swapchain->orig_height = mode.Height;
 715     swapchain->orig_fmt = mode.Format;
 716     format_desc = getFormatDescEntry(mode.Format, &adapter->gl_info);
 717
 718     GetClientRect(window, &client_rect);
 719     if (present_parameters->Windowed
 720             && (!present_parameters->BackBufferWidth || !present_parameters->BackBufferHeight
 721             || present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN))
 722     {
 723
 724         if (!present_parameters->BackBufferWidth)
 725         {
 726             present_parameters->BackBufferWidth = client_rect.right;
 727             TRACE("Updating width to %u.\n", present_parameters->BackBufferWidth);
 728         }
 729
 730         if (!present_parameters->BackBufferHeight)
 731         {
 732             present_parameters->BackBufferHeight = client_rect.bottom;
 733             TRACE("Updating height to %u.\n", present_parameters->BackBufferHeight);
 734         }
 735
 736         if (present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN)
 737         {
 738             present_parameters->BackBufferFormat = swapchain->orig_fmt;
 739             TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
 740         }
 741     }
 742     swapchain->presentParms = *present_parameters;
 743
 744     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
 745             && present_parameters->BackBufferCount
 746             && (present_parameters->BackBufferWidth != client_rect.right
 747             || present_parameters->BackBufferHeight != client_rect.bottom))
 748     {
 749         TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u.\n",
 750                 present_parameters->BackBufferWidth,
 751                 present_parameters->BackBufferHeight,
 752                 client_rect.right, client_rect.bottom);
 753         swapchain->render_to_fbo = TRUE;
 754     }
 755
 756     TRACE("Creating front buffer.\n");
 757     hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 758             swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 759             swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 760             swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 761             (IWineD3DSurface **)&swapchain->front_buffer);
 762     if (FAILED(hr))
 763     {
 764         WARN("Failed to create front buffer, hr %#x.\n", hr);
 765         goto err;
 766     }
 767
 768     IWineD3DSurface_SetContainer((IWineD3DSurface *)swapchain->front_buffer, (IWineD3DBase *)swapchain);
 769     swapchain->front_buffer->Flags |= SFLAG_SWAPCHAIN;
 770     if (surface_type == SURFACE_OPENGL)
 771     {
 772         IWineD3DSurface_ModifyLocation((IWineD3DSurface *)swapchain->front_buffer, SFLAG_INDRAWABLE, TRUE);
 773     }
 774
 775     /* MSDN says we're only allowed a single fullscreen swapchain per device,
 776      * so we should really check to see if there is a fullscreen swapchain
 777      * already. Does a single head count as full screen? */
 778
 779     if (!present_parameters->Windowed)
 780     {
 781         WINED3DDISPLAYMODE mode;
 782
 783         /* Change the display settings */
 784         mode.Width = present_parameters->BackBufferWidth;
 785         mode.Height = present_parameters->BackBufferHeight;
 786         mode.Format = present_parameters->BackBufferFormat;
 787         mode.RefreshRate = present_parameters->FullScreen_RefreshRateInHz;
 788
 789         hr = IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)device, 0, &mode);
 790         if (FAILED(hr))
 791         {
 792             WARN("Failed to set display mode, hr %#x.\n", hr);
 793             goto err;
 794         }
 795         displaymode_set = TRUE;
 796     }
 797
 798     swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(swapchain->context));
 799     if (!swapchain->context)
 800     {
 801         ERR("Failed to create the context array.\n");
 802         hr = E_OUTOFMEMORY;
 803         goto err;
 804     }
 805     swapchain->num_contexts = 1;
 806
 807     if (surface_type == SURFACE_OPENGL)
 808     {
 809         WINED3DFORMAT formats[] =
 810         {
 811             WINED3DFMT_D24_UNORM_S8_UINT,
 812             WINED3DFMT_D32_UNORM,
 813             WINED3DFMT_R24_UNORM_X8_TYPELESS,
 814             WINED3DFMT_D16_UNORM,
 815             WINED3DFMT_S1_UINT_D15_UNORM
 816         };
 817
 818         const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 819
 820         /* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
 821          * You are able to add a depth + stencil surface at a later stage when you need it.
 822          * In order to support this properly in WineD3D we need the ability to recreate the opengl context and
 823          * drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
 824          * context, need torecreate shaders, textures and other resources.
 825          *
 826          * The context manager already takes care of the state problem and for the other tasks code from Reset
 827          * can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
 828          * Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
 829          * time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
 830          * issue needs to be fixed. */
 831         for (i = 0; i < (sizeof(formats) / sizeof(*formats)); i++)
 832         {
 833             swapchain->ds_format = getFormatDescEntry(formats[i], gl_info);
 834             swapchain->context[0] = context_create(swapchain, swapchain->front_buffer, swapchain->ds_format);
 835             if (swapchain->context[0]) break;
 836             TRACE("Depth stencil format %s is not supported, trying next format\n",
 837                   debug_d3dformat(formats[i]));
 838         }
 839
 840         if (!swapchain->context[0])
 841         {
 842             WARN("Failed to create context.\n");
 843             hr = WINED3DERR_NOTAVAILABLE;
 844             goto err;
 845         }
 846
 847         if (!present_parameters->EnableAutoDepthStencil
 848                 || swapchain->presentParms.AutoDepthStencilFormat != swapchain->ds_format->format)
 849         {
 850             FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
 851         }
 852         context_release(swapchain->context[0]);
 853     }
 854     else
 855     {
 856         swapchain->context[0] = NULL;
 857     }
 858
 859     if (swapchain->presentParms.BackBufferCount > 0)
 860     {
 861         swapchain->back_buffers = HeapAlloc(GetProcessHeap(), 0,
 862                 sizeof(*swapchain->back_buffers) * swapchain->presentParms.BackBufferCount);
 863         if (!swapchain->back_buffers)
 864         {
 865             ERR("Failed to allocate backbuffer array memory.\n");
 866             hr = E_OUTOFMEMORY;
 867             goto err;
 868         }
 869
 870         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 871         {
 872             TRACE("Creating back buffer %u.\n", i);
 873             hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 874                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 875                     swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 876                     swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 877                     (IWineD3DSurface **)&swapchain->back_buffers[i]);
 878             if (FAILED(hr))
 879             {
 880                 WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
 881                 goto err;
 882             }
 883
 884             IWineD3DSurface_SetContainer((IWineD3DSurface *)swapchain->back_buffers[i], (IWineD3DBase *)swapchain);
 885             swapchain->back_buffers[i]->Flags |= SFLAG_SWAPCHAIN;
 886         }
 887     }
 888
 889     /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
 890     if (present_parameters->EnableAutoDepthStencil && surface_type == SURFACE_OPENGL)
 891     {
 892         TRACE("Creating depth/stencil buffer.\n");
 893         if (!device->auto_depth_stencil)
 894         {
 895             hr = IWineD3DDeviceParent_CreateDepthStencilSurface(device->device_parent, parent,
 896                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 897                     swapchain->presentParms.AutoDepthStencilFormat, swapchain->presentParms.MultiSampleType,
 898                     swapchain->presentParms.MultiSampleQuality, FALSE /* FIXME: Discard */,
 899                     (IWineD3DSurface **)&device->auto_depth_stencil);
 900             if (FAILED(hr))
 901             {
 902                 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
 903                 goto err;
 904             }
 905
 906             IWineD3DSurface_SetContainer((IWineD3DSurface *)device->auto_depth_stencil, NULL);
 907         }
 908     }
 909
 910     IWineD3DSwapChain_GetGammaRamp((IWineD3DSwapChain *)swapchain, &swapchain->orig_gamma);
 911
 912     return WINED3D_OK;
 913
 914 err:
 915     if (displaymode_set)
 916     {
 917         DEVMODEW devmode;
 918
 919         ClipCursor(NULL);
 920
 921         /* Change the display settings */
 922         memset(&devmode, 0, sizeof(devmode));
 923         devmode.dmSize = sizeof(devmode);
 924         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 925         devmode.dmBitsPerPel = format_desc->byte_count * 8;
 926         devmode.dmPelsWidth = swapchain->orig_width;
 927         devmode.dmPelsHeight = swapchain->orig_height;
 928         ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
 929     }
 930
 931     if (swapchain->back_buffers)
 932     {
 933         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 934         {
 935             if (swapchain->back_buffers[i]) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->back_buffers[i]);
 936         }
 937         HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
 938     }
 939
 940     if (swapchain->context)
 941     {
 942         if (swapchain->context[0])
 943         {
 944             context_release(swapchain->context[0]);
 945             context_destroy(device, swapchain->context[0]);
 946             swapchain->num_contexts = 0;
 947         }
 948         HeapFree(GetProcessHeap(), 0, swapchain->context);
 949     }
 950
 951     if (swapchain->front_buffer) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->front_buffer);
 952
 953     return hr;
 954 }
 955
 956 struct wined3d_context *swapchain_create_context_for_thread(IWineD3DSwapChain *iface)
 957 {
 958     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *) iface;
 959     struct wined3d_context **newArray;
 960     struct wined3d_context *ctx;
 961
 962     TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
 963
 964     if (!(ctx = context_create(This, This->front_buffer, This->ds_format)))
 965     {
 966         ERR("Failed to create a new context for the swapchain\n");
 967         return NULL;
 968     }
 969     context_release(ctx);
 970
 971     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * This->num_contexts + 1);
 972     if(!newArray) {
 973         ERR("Out of memory when trying to allocate a new context array\n");
 974         context_destroy(This->device, ctx);
 975         return NULL;
 976     }
 977     memcpy(newArray, This->context, sizeof(*newArray) * This->num_contexts);
 978     HeapFree(GetProcessHeap(), 0, This->context);
 979     newArray[This->num_contexts] = ctx;
 980     This->context = newArray;
 981     This->num_contexts++;
 982
 983     TRACE("Returning context %p\n", ctx);
 984     return ctx;
 985 }
 986
 987 void get_drawable_size_swapchain(struct wined3d_context *context, UINT *width, UINT *height)
 988 {
 989     /* The drawable size of an onscreen drawable is the surface size.
 990      * (Actually: The window size, but the surface is created in window size) */
 991     *width = context->current_rt->currentDesc.Width;
 992     *height = context->current_rt->currentDesc.Height;
 993 }