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 /*IWineD3DSwapChain parts follow: */
  37 static void WINAPI IWineD3DSwapChainImpl_Destroy(IWineD3DSwapChain *iface)
  38 {
  39     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  40     WINED3DDISPLAYMODE mode;
  41     unsigned int i;
  42
  43     TRACE("Destroying swapchain %p\n", iface);
  44
  45     IWineD3DSwapChain_SetGammaRamp(iface, 0, &This->orig_gamma);
  46
  47     /* Release the swapchain's draw buffers. Make sure This->back_buffers[0] is
  48      * the last buffer to be destroyed, FindContext() depends on that. */
  49     if (This->front_buffer)
  50     {
  51         surface_set_container(This->front_buffer, WINED3D_CONTAINER_NONE, NULL);
  52         if (IWineD3DSurface_Release((IWineD3DSurface *)This->front_buffer))
  53         {
  54             WARN("(%p) Something's still holding the front buffer (%p).\n",
  55                     This, This->front_buffer);
  56         }
  57         This->front_buffer = NULL;
  58     }
  59
  60     if (This->back_buffers)
  61     {
  62         UINT i = This->presentParms.BackBufferCount;
  63
  64         while (i--)
  65         {
  66             surface_set_container(This->back_buffers[i], WINED3D_CONTAINER_NONE, NULL);
  67             if (IWineD3DSurface_Release((IWineD3DSurface *)This->back_buffers[i]))
  68                 WARN("(%p) Something's still holding back buffer %u (%p).\n",
  69                         This, i, This->back_buffers[i]);
  70         }
  71         HeapFree(GetProcessHeap(), 0, This->back_buffers);
  72         This->back_buffers = NULL;
  73     }
  74
  75     for (i = 0; i < This->num_contexts; ++i)
  76     {
  77         context_destroy(This->device, This->context[i]);
  78     }
  79     /* Restore the screen resolution if we rendered in fullscreen
  80      * This will restore the screen resolution to what it was before creating the swapchain. In case of d3d8 and d3d9
  81      * this will be the original desktop resolution. In case of d3d7 this will be a NOP because ddraw sets the resolution
  82      * before starting up Direct3D, thus orig_width and orig_height will be equal to the modes in the presentation params
  83      */
  84     if(This->presentParms.Windowed == FALSE && This->presentParms.AutoRestoreDisplayMode) {
  85         mode.Width = This->orig_width;
  86         mode.Height = This->orig_height;
  87         mode.RefreshRate = 0;
  88         mode.Format = This->orig_fmt;
  89         IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)This->device, 0, &mode);
  90     }
  91
  92     HeapFree(GetProcessHeap(), 0, This->context);
  93     HeapFree(GetProcessHeap(), 0, This);
  94 }
  95
  96 /* A GL context is provided by the caller */
  97 static void swapchain_blit(IWineD3DSwapChainImpl *This, struct wined3d_context *context,
  98         const RECT *src_rect, const RECT *dst_rect)
  99 {
 100     IWineD3DDeviceImpl *device = This->device;
 101     IWineD3DSurfaceImpl *backbuffer = This->back_buffers[0];
 102     UINT src_w = src_rect->right - src_rect->left;
 103     UINT src_h = src_rect->bottom - src_rect->top;
 104     GLenum gl_filter;
 105     const struct wined3d_gl_info *gl_info = context->gl_info;
 106     RECT win_rect;
 107     UINT win_h;
 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     GetClientRect(This->win_handle, &win_rect);
 118     win_h = win_rect.bottom - win_rect.top;
 119
 120     if (gl_info->fbo_ops.glBlitFramebuffer && is_identity_fixup(backbuffer->resource.format->color_fixup))
 121     {
 122         ENTER_GL();
 123         context_apply_fbo_state_blit(context, GL_READ_FRAMEBUFFER, backbuffer, NULL, SFLAG_INTEXTURE);
 124         glReadBuffer(GL_COLOR_ATTACHMENT0);
 125
 126         context_bind_fbo(context, GL_DRAW_FRAMEBUFFER, NULL);
 127         context_set_draw_buffer(context, GL_BACK);
 128
 129         glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
 130         IWineD3DDeviceImpl_MarkStateDirty(device, STATE_RENDER(WINED3DRS_COLORWRITEENABLE));
 131         IWineD3DDeviceImpl_MarkStateDirty(device, STATE_RENDER(WINED3DRS_COLORWRITEENABLE1));
 132         IWineD3DDeviceImpl_MarkStateDirty(device, STATE_RENDER(WINED3DRS_COLORWRITEENABLE2));
 133         IWineD3DDeviceImpl_MarkStateDirty(device, STATE_RENDER(WINED3DRS_COLORWRITEENABLE3));
 134
 135         glDisable(GL_SCISSOR_TEST);
 136         IWineD3DDeviceImpl_MarkStateDirty(This->device, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE));
 137
 138         /* Note that the texture is upside down */
 139         gl_info->fbo_ops.glBlitFramebuffer(src_rect->left, src_rect->top, src_rect->right, src_rect->bottom,
 140                 dst_rect->left, win_h - dst_rect->top, dst_rect->right, win_h - dst_rect->bottom,
 141                 GL_COLOR_BUFFER_BIT, gl_filter);
 142         checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
 143         LEAVE_GL();
 144     }
 145     else
 146     {
 147         struct wined3d_context *context2;
 148         float tex_left = src_rect->left;
 149         float tex_top = src_rect->top;
 150         float tex_right = src_rect->right;
 151         float tex_bottom = src_rect->bottom;
 152
 153         context2 = context_acquire(This->device, This->back_buffers[0]);
 154         context_apply_blit_state(context2, device);
 155
 156         if(backbuffer->Flags & SFLAG_NORMCOORD)
 157         {
 158             tex_left /= src_w;
 159             tex_right /= src_w;
 160             tex_top /= src_h;
 161             tex_bottom /= src_h;
 162         }
 163
 164         if (is_complex_fixup(backbuffer->resource.format->color_fixup))
 165             gl_filter = GL_NEAREST;
 166
 167         ENTER_GL();
 168         context_bind_fbo(context2, GL_DRAW_FRAMEBUFFER, NULL);
 169
 170         /* Set up the texture. The surface is not in a IWineD3D*Texture container,
 171          * so there are no d3d texture settings to dirtify
 172          */
 173         device->blitter->set_shader((IWineD3DDevice *) device, backbuffer);
 174         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MIN_FILTER, gl_filter);
 175         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MAG_FILTER, gl_filter);
 176
 177         context_set_draw_buffer(context, GL_BACK);
 178
 179         /* Set the viewport to the destination rectandle, disable any projection
 180          * transformation set up by context_apply_blit_state(), and draw a
 181          * (-1,-1)-(1,1) quad.
 182          *
 183          * Back up viewport and matrix to avoid breaking last_was_blit
 184          *
 185          * Note that context_apply_blit_state() set up viewport and ortho to
 186          * match the surface size - we want the GL drawable(=window) size. */
 187         glPushAttrib(GL_VIEWPORT_BIT);
 188         glViewport(dst_rect->left, win_h - dst_rect->bottom, dst_rect->right, win_h - dst_rect->top);
 189         glMatrixMode(GL_PROJECTION);
 190         glPushMatrix();
 191         glLoadIdentity();
 192
 193         glBegin(GL_QUADS);
 194             /* bottom left */
 195             glTexCoord2f(tex_left, tex_bottom);
 196             glVertex2i(-1, -1);
 197
 198             /* top left */
 199             glTexCoord2f(tex_left, tex_top);
 200             glVertex2i(-1, 1);
 201
 202             /* top right */
 203             glTexCoord2f(tex_right, tex_top);
 204             glVertex2i(1, 1);
 205
 206             /* bottom right */
 207             glTexCoord2f(tex_right, tex_bottom);
 208             glVertex2i(1, -1);
 209         glEnd();
 210
 211         glPopMatrix();
 212         glPopAttrib();
 213
 214         device->blitter->unset_shader((IWineD3DDevice *) device);
 215         checkGLcall("Swapchain present blit(manual)\n");
 216         LEAVE_GL();
 217
 218         context_release(context2);
 219     }
 220 }
 221
 222 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 223     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 224     const struct wined3d_gl_info *gl_info;
 225     struct wined3d_context *context;
 226     RECT src_rect, dst_rect;
 227     BOOL render_to_fbo;
 228     unsigned int sync;
 229     int retval;
 230
 231     IWineD3DSwapChain_SetDestWindowOverride(iface, hDestWindowOverride);
 232
 233     context = context_acquire(This->device, This->back_buffers[0]);
 234     if (!context->valid)
 235     {
 236         context_release(context);
 237         WARN("Invalid context, skipping present.\n");
 238         return WINED3D_OK;
 239     }
 240
 241     gl_info = context->gl_info;
 242
 243     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 244     if (This->device->bCursorVisible && This->device->cursorTexture)
 245     {
 246         IWineD3DSurfaceImpl cursor;
 247         RECT destRect =
 248         {
 249             This->device->xScreenSpace - This->device->xHotSpot,
 250             This->device->yScreenSpace - This->device->yHotSpot,
 251             This->device->xScreenSpace + This->device->cursorWidth - This->device->xHotSpot,
 252             This->device->yScreenSpace + This->device->cursorHeight - This->device->yHotSpot,
 253         };
 254         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 255         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 256          * the application because we are only supposed to copy the information out. Using a fake surface
 257          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 258          */
 259         memset(&cursor, 0, sizeof(cursor));
 260         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 261         cursor.resource.ref = 1;
 262         cursor.resource.device = This->device;
 263         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 264         cursor.resource.format = wined3d_get_format(gl_info, WINED3DFMT_B8G8R8A8_UNORM);
 265         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 266         cursor.texture_name = This->device->cursorTexture;
 267         cursor.texture_target = GL_TEXTURE_2D;
 268         cursor.texture_level = 0;
 269         cursor.currentDesc.Width = This->device->cursorWidth;
 270         cursor.currentDesc.Height = This->device->cursorHeight;
 271         /* The cursor must have pow2 sizes */
 272         cursor.pow2Width = cursor.currentDesc.Width;
 273         cursor.pow2Height = cursor.currentDesc.Height;
 274         /* The surface is in the texture */
 275         cursor.Flags |= SFLAG_INTEXTURE;
 276         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 277          * which is exactly what we want :-)
 278          */
 279         if (This->presentParms.Windowed) {
 280             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 281         }
 282         IWineD3DSurface_Blt((IWineD3DSurface *)This->back_buffers[0], &destRect, (IWineD3DSurface *)&cursor,
 283                 NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_POINT);
 284     }
 285
 286     if (This->device->logo_surface)
 287     {
 288         /* Blit the logo into the upper left corner of the drawable. */
 289         IWineD3DSurface_BltFast((IWineD3DSurface *)This->back_buffers[0], 0, 0,
 290                 This->device->logo_surface, NULL, WINEDDBLTFAST_SRCCOLORKEY);
 291     }
 292
 293     TRACE("Presenting HDC %p.\n", context->hdc);
 294
 295     render_to_fbo = This->render_to_fbo;
 296
 297     if (pSourceRect)
 298     {
 299         src_rect = *pSourceRect;
 300         if (!render_to_fbo && (src_rect.left || src_rect.top
 301                 || src_rect.right != This->presentParms.BackBufferWidth
 302                 || src_rect.bottom != This->presentParms.BackBufferHeight))
 303         {
 304             render_to_fbo = TRUE;
 305         }
 306     }
 307     else
 308     {
 309         src_rect.left = 0;
 310         src_rect.top = 0;
 311         src_rect.right = This->presentParms.BackBufferWidth;
 312         src_rect.bottom = This->presentParms.BackBufferHeight;
 313     }
 314
 315     if (pDestRect) dst_rect = *pDestRect;
 316     else GetClientRect(This->win_handle, &dst_rect);
 317
 318     if (!render_to_fbo && (dst_rect.left || dst_rect.top
 319             || dst_rect.right != This->presentParms.BackBufferWidth
 320             || dst_rect.bottom != This->presentParms.BackBufferHeight))
 321     {
 322         render_to_fbo = TRUE;
 323     }
 324
 325     /* Rendering to a window of different size, presenting partial rectangles,
 326      * or rendering to a different window needs help from FBO_blit or a textured
 327      * draw. Render the swapchain to a FBO in the future.
 328      *
 329      * Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
 330      * all these issues - this fails if the window is smaller than the backbuffer.
 331      */
 332     if (!This->render_to_fbo && render_to_fbo && wined3d_settings.offscreen_rendering_mode == ORM_FBO)
 333     {
 334         surface_load_location(This->back_buffers[0], SFLAG_INTEXTURE, NULL);
 335         surface_modify_location(This->back_buffers[0], SFLAG_INDRAWABLE, FALSE);
 336         This->render_to_fbo = TRUE;
 337     }
 338
 339     if(This->render_to_fbo)
 340     {
 341         /* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
 342          * window size mismatch is impossible(fullscreen) and src and dst rectangles are
 343          * not allowed(they need the COPY swapeffect)
 344          *
 345          * The DISCARD swap effect is ok as well since any backbuffer content is allowed after
 346          * the swap
 347          */
 348         if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP )
 349         {
 350             FIXME("Render-to-fbo with WINED3DSWAPEFFECT_FLIP\n");
 351         }
 352
 353         swapchain_blit(This, context, &src_rect, &dst_rect);
 354     }
 355
 356     if (This->num_contexts > 1) wglFinish();
 357     SwapBuffers(context->hdc); /* TODO: cycle through the swapchain buffers */
 358
 359     TRACE("SwapBuffers called, Starting new frame\n");
 360     /* FPS support */
 361     if (TRACE_ON(fps))
 362     {
 363         DWORD time = GetTickCount();
 364         This->frames++;
 365         /* every 1.5 seconds */
 366         if (time - This->prev_time > 1500) {
 367             TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
 368             This->prev_time = time;
 369             This->frames = 0;
 370         }
 371     }
 372
 373     /* This is disabled, but the code left in for debug purposes.
 374      *
 375      * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
 376      * we can clear it with some ugly color to make bad drawing visible and ease debugging.
 377      * The Debug runtime does the same on Windows. However, a few games do not redraw the
 378      * screen properly, like Max Payne 2, which leaves a few pixels undefined.
 379      *
 380      * Tests show that the content of the back buffer after a discard flip is indeed not
 381      * reliable, so no game can depend on the exact content. However, it resembles the
 382      * old contents in some way, for example by showing fragments at other locations. In
 383      * general, the color theme is still intact. So Max payne, which draws rather dark scenes
 384      * gets a dark background image. If we clear it with a bright ugly color, the game's
 385      * bug shows up much more than it does on Windows, and the players see single pixels
 386      * with wrong colors.
 387      * (The Max Payne bug has been confirmed on Windows with the debug runtime)
 388      */
 389     if (FALSE && This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
 390         TRACE("Clearing the color buffer with cyan color\n");
 391
 392         IWineD3DDevice_Clear((IWineD3DDevice *)This->device, 0, NULL,
 393                 WINED3DCLEAR_TARGET, 0xff00ffff, 1.0f, 0);
 394     }
 395
 396     if (!This->render_to_fbo && ((This->front_buffer->Flags & SFLAG_INSYSMEM)
 397             || (This->back_buffers[0]->Flags & SFLAG_INSYSMEM)))
 398     {
 399         /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
 400          * Doesn't work with render_to_fbo because we're not flipping
 401          */
 402         IWineD3DSurfaceImpl *front = This->front_buffer;
 403         IWineD3DSurfaceImpl *back = This->back_buffers[0];
 404
 405         if(front->resource.size == back->resource.size) {
 406             DWORD fbflags;
 407             flip_surface(front, back);
 408
 409             /* Tell the front buffer surface that is has been modified. However,
 410              * the other locations were preserved during that, so keep the flags.
 411              * This serves to update the emulated overlay, if any
 412              */
 413             fbflags = front->Flags;
 414             surface_modify_location(front, SFLAG_INDRAWABLE, TRUE);
 415             front->Flags = fbflags;
 416         }
 417         else
 418         {
 419             surface_modify_location(front, SFLAG_INDRAWABLE, TRUE);
 420             surface_modify_location(back, SFLAG_INDRAWABLE, TRUE);
 421         }
 422     }
 423     else
 424     {
 425         surface_modify_location(This->front_buffer, SFLAG_INDRAWABLE, TRUE);
 426         /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
 427          * and INTEXTURE copies can keep their old content if they have any defined content.
 428          * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
 429          * the texture / sysmem copy needs to be reloaded from the drawable
 430          */
 431         if (This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP)
 432         {
 433             surface_modify_location(This->back_buffers[0], SFLAG_INDRAWABLE, TRUE);
 434         }
 435     }
 436
 437     if (This->device->depth_stencil)
 438     {
 439         if (This->presentParms.Flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
 440                 || This->device->depth_stencil->Flags & SFLAG_DISCARD)
 441         {
 442             surface_modify_ds_location(This->device->depth_stencil, SFLAG_DS_DISCARDED,
 443                     This->device->depth_stencil->currentDesc.Width,
 444                     This->device->depth_stencil->currentDesc.Height);
 445             if (This->device->depth_stencil == This->device->onscreen_depth_stencil)
 446             {
 447                 IWineD3DSurface_Release((IWineD3DSurface *)This->device->onscreen_depth_stencil);
 448                 This->device->onscreen_depth_stencil = NULL;
 449             }
 450         }
 451     }
 452
 453     if (This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE
 454             && gl_info->supported[SGI_VIDEO_SYNC])
 455     {
 456         retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
 457         if(retval != 0) {
 458             ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
 459         }
 460
 461         switch(This->presentParms.PresentationInterval) {
 462             case WINED3DPRESENT_INTERVAL_DEFAULT:
 463             case WINED3DPRESENT_INTERVAL_ONE:
 464                 if(sync <= This->vSyncCounter) {
 465                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
 466                 } else {
 467                     This->vSyncCounter = sync;
 468                 }
 469                 break;
 470             case WINED3DPRESENT_INTERVAL_TWO:
 471                 if(sync <= This->vSyncCounter + 1) {
 472                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
 473                 } else {
 474                     This->vSyncCounter = sync;
 475                 }
 476                 break;
 477             case WINED3DPRESENT_INTERVAL_THREE:
 478                 if(sync <= This->vSyncCounter + 2) {
 479                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
 480                 } else {
 481                     This->vSyncCounter = sync;
 482                 }
 483                 break;
 484             case WINED3DPRESENT_INTERVAL_FOUR:
 485                 if(sync <= This->vSyncCounter + 3) {
 486                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
 487                 } else {
 488                     This->vSyncCounter = sync;
 489                 }
 490                 break;
 491             default:
 492                 FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
 493         }
 494     }
 495
 496     context_release(context);
 497
 498     TRACE("returning\n");
 499     return WINED3D_OK;
 500 }
 501
 502 static HRESULT WINAPI IWineD3DSwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window)
 503 {
 504     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 505
 506     if (!window) window = swapchain->device_window;
 507     if (window == swapchain->win_handle) return WINED3D_OK;
 508
 509     TRACE("Setting swapchain %p window from %p to %p\n", swapchain, swapchain->win_handle, window);
 510     swapchain->win_handle = window;
 511
 512     return WINED3D_OK;
 513 }
 514
 515 static const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 516 {
 517     /* IUnknown */
 518     IWineD3DBaseSwapChainImpl_QueryInterface,
 519     IWineD3DBaseSwapChainImpl_AddRef,
 520     IWineD3DBaseSwapChainImpl_Release,
 521     /* IWineD3DSwapChain */
 522     IWineD3DBaseSwapChainImpl_GetParent,
 523     IWineD3DSwapChainImpl_Destroy,
 524     IWineD3DBaseSwapChainImpl_GetDevice,
 525     IWineD3DSwapChainImpl_Present,
 526     IWineD3DSwapChainImpl_SetDestWindowOverride,
 527     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 528     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 529     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 530     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 531     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 532     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 533     IWineD3DBaseSwapChainImpl_GetGammaRamp
 534 };
 535
 536 static LONG fullscreen_style(LONG style)
 537 {
 538     /* Make sure the window is managed, otherwise we won't get keyboard input. */
 539     style |= WS_POPUP | WS_SYSMENU;
 540     style &= ~(WS_CAPTION | WS_THICKFRAME);
 541
 542     return style;
 543 }
 544
 545 static LONG fullscreen_exstyle(LONG exstyle)
 546 {
 547     /* Filter out window decorations. */
 548     exstyle &= ~(WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
 549
 550     return exstyle;
 551 }
 552
 553 void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w, UINT h)
 554 {
 555     IWineD3DDeviceImpl *device = swapchain->device;
 556     HWND window = swapchain->device_window;
 557     BOOL filter_messages;
 558     LONG style, exstyle;
 559
 560     TRACE("Setting up window %p for fullscreen mode.\n", window);
 561
 562     if (device->style || device->exStyle)
 563     {
 564         ERR("Changing the window style for window %p, but another style (%08x, %08x) is already stored.\n",
 565                 window, device->style, device->exStyle);
 566     }
 567
 568     device->style = GetWindowLongW(window, GWL_STYLE);
 569     device->exStyle = GetWindowLongW(window, GWL_EXSTYLE);
 570
 571     style = fullscreen_style(device->style);
 572     exstyle = fullscreen_exstyle(device->exStyle);
 573
 574     TRACE("Old style was %08x, %08x, setting to %08x, %08x.\n",
 575             device->style, device->exStyle, style, exstyle);
 576
 577     filter_messages = device->filter_messages;
 578     device->filter_messages = TRUE;
 579
 580     SetWindowLongW(window, GWL_STYLE, style);
 581     SetWindowLongW(window, GWL_EXSTYLE, exstyle);
 582     SetWindowPos(window, HWND_TOP, 0, 0, w, h, SWP_FRAMECHANGED | SWP_SHOWWINDOW | SWP_NOACTIVATE);
 583
 584     device->filter_messages = filter_messages;
 585 }
 586
 587 void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain)
 588 {
 589     IWineD3DDeviceImpl *device = swapchain->device;
 590     HWND window = swapchain->device_window;
 591     BOOL filter_messages;
 592     LONG style, exstyle;
 593
 594     if (!device->style && !device->exStyle) return;
 595
 596     TRACE("Restoring window style of window %p to %08x, %08x.\n",
 597             window, device->style, device->exStyle);
 598
 599     style = GetWindowLongW(window, GWL_STYLE);
 600     exstyle = GetWindowLongW(window, GWL_EXSTYLE);
 601
 602     filter_messages = device->filter_messages;
 603     device->filter_messages = TRUE;
 604
 605     /* Only restore the style if the application didn't modify it during the
 606      * fullscreen phase. Some applications change it before calling Reset()
 607      * when switching between windowed and fullscreen modes (HL2), some
 608      * depend on the original style (Eve Online). */
 609     if (style == fullscreen_style(device->style) && exstyle == fullscreen_exstyle(device->exStyle))
 610     {
 611         SetWindowLongW(window, GWL_STYLE, device->style);
 612         SetWindowLongW(window, GWL_EXSTYLE, device->exStyle);
 613     }
 614     SetWindowPos(window, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
 615
 616     device->filter_messages = filter_messages;
 617
 618     /* Delete the old values. */
 619     device->style = 0;
 620     device->exStyle = 0;
 621 }
 622
 623
 624 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
 625         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, void *parent)
 626 {
 627     const struct wined3d_adapter *adapter = device->adapter;
 628     const struct wined3d_format *format;
 629     BOOL displaymode_set = FALSE;
 630     WINED3DDISPLAYMODE mode;
 631     RECT client_rect;
 632     HWND window;
 633     HRESULT hr;
 634     UINT i;
 635
 636     if (present_parameters->BackBufferCount > WINED3DPRESENT_BACK_BUFFER_MAX)
 637     {
 638         FIXME("The application requested %u back buffers, this is not supported.\n",
 639                 present_parameters->BackBufferCount);
 640         return WINED3DERR_INVALIDCALL;
 641     }
 642
 643     if (present_parameters->BackBufferCount > 1)
 644     {
 645         FIXME("The application requested more than one back buffer, this is not properly supported.\n"
 646                 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
 647     }
 648
 649     switch (surface_type)
 650     {
 651         case SURFACE_GDI:
 652             swapchain->lpVtbl = &IWineGDISwapChain_Vtbl;
 653             break;
 654
 655         case SURFACE_OPENGL:
 656             swapchain->lpVtbl = &IWineD3DSwapChain_Vtbl;
 657             break;
 658
 659         case SURFACE_UNKNOWN:
 660             FIXME("Caller tried to create a SURFACE_UNKNOWN swapchain.\n");
 661             return WINED3DERR_INVALIDCALL;
 662     }
 663
 664     window = present_parameters->hDeviceWindow ? present_parameters->hDeviceWindow : device->createParms.hFocusWindow;
 665
 666     swapchain->device = device;
 667     swapchain->parent = parent;
 668     swapchain->ref = 1;
 669     swapchain->win_handle = window;
 670     swapchain->device_window = window;
 671
 672     if (!present_parameters->Windowed && window)
 673     {
 674         swapchain_setup_fullscreen_window(swapchain, present_parameters->BackBufferWidth,
 675                 present_parameters->BackBufferHeight);
 676     }
 677
 678     IWineD3D_GetAdapterDisplayMode(device->wined3d, adapter->ordinal, &mode);
 679     swapchain->orig_width = mode.Width;
 680     swapchain->orig_height = mode.Height;
 681     swapchain->orig_fmt = mode.Format;
 682     format = wined3d_get_format(&adapter->gl_info, mode.Format);
 683
 684     GetClientRect(window, &client_rect);
 685     if (present_parameters->Windowed
 686             && (!present_parameters->BackBufferWidth || !present_parameters->BackBufferHeight
 687             || present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN))
 688     {
 689
 690         if (!present_parameters->BackBufferWidth)
 691         {
 692             present_parameters->BackBufferWidth = client_rect.right;
 693             TRACE("Updating width to %u.\n", present_parameters->BackBufferWidth);
 694         }
 695
 696         if (!present_parameters->BackBufferHeight)
 697         {
 698             present_parameters->BackBufferHeight = client_rect.bottom;
 699             TRACE("Updating height to %u.\n", present_parameters->BackBufferHeight);
 700         }
 701
 702         if (present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN)
 703         {
 704             present_parameters->BackBufferFormat = swapchain->orig_fmt;
 705             TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
 706         }
 707     }
 708     swapchain->presentParms = *present_parameters;
 709
 710     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
 711             && present_parameters->BackBufferCount
 712             && (present_parameters->BackBufferWidth != client_rect.right
 713             || present_parameters->BackBufferHeight != client_rect.bottom))
 714     {
 715         TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u.\n",
 716                 present_parameters->BackBufferWidth,
 717                 present_parameters->BackBufferHeight,
 718                 client_rect.right, client_rect.bottom);
 719         swapchain->render_to_fbo = TRUE;
 720     }
 721
 722     TRACE("Creating front buffer.\n");
 723     hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 724             swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 725             swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 726             swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 727             (IWineD3DSurface **)&swapchain->front_buffer);
 728     if (FAILED(hr))
 729     {
 730         WARN("Failed to create front buffer, hr %#x.\n", hr);
 731         goto err;
 732     }
 733
 734     surface_set_container(swapchain->front_buffer, WINED3D_CONTAINER_SWAPCHAIN, (IWineD3DBase *)swapchain);
 735     if (surface_type == SURFACE_OPENGL)
 736     {
 737         surface_modify_location(swapchain->front_buffer, SFLAG_INDRAWABLE, TRUE);
 738     }
 739
 740     /* MSDN says we're only allowed a single fullscreen swapchain per device,
 741      * so we should really check to see if there is a fullscreen swapchain
 742      * already. Does a single head count as full screen? */
 743
 744     if (!present_parameters->Windowed)
 745     {
 746         WINED3DDISPLAYMODE mode;
 747
 748         /* Change the display settings */
 749         mode.Width = present_parameters->BackBufferWidth;
 750         mode.Height = present_parameters->BackBufferHeight;
 751         mode.Format = present_parameters->BackBufferFormat;
 752         mode.RefreshRate = present_parameters->FullScreen_RefreshRateInHz;
 753
 754         hr = IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)device, 0, &mode);
 755         if (FAILED(hr))
 756         {
 757             WARN("Failed to set display mode, hr %#x.\n", hr);
 758             goto err;
 759         }
 760         displaymode_set = TRUE;
 761     }
 762
 763     swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(swapchain->context));
 764     if (!swapchain->context)
 765     {
 766         ERR("Failed to create the context array.\n");
 767         hr = E_OUTOFMEMORY;
 768         goto err;
 769     }
 770     swapchain->num_contexts = 1;
 771
 772     if (surface_type == SURFACE_OPENGL)
 773     {
 774         static const enum wined3d_format_id formats[] =
 775         {
 776             WINED3DFMT_D24_UNORM_S8_UINT,
 777             WINED3DFMT_D32_UNORM,
 778             WINED3DFMT_R24_UNORM_X8_TYPELESS,
 779             WINED3DFMT_D16_UNORM,
 780             WINED3DFMT_S1_UINT_D15_UNORM
 781         };
 782
 783         const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 784
 785         /* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
 786          * You are able to add a depth + stencil surface at a later stage when you need it.
 787          * In order to support this properly in WineD3D we need the ability to recreate the opengl context and
 788          * drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
 789          * context, need torecreate shaders, textures and other resources.
 790          *
 791          * The context manager already takes care of the state problem and for the other tasks code from Reset
 792          * can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
 793          * Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
 794          * time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
 795          * issue needs to be fixed. */
 796         for (i = 0; i < (sizeof(formats) / sizeof(*formats)); i++)
 797         {
 798             swapchain->ds_format = wined3d_get_format(gl_info, formats[i]);
 799             swapchain->context[0] = context_create(swapchain, swapchain->front_buffer, swapchain->ds_format);
 800             if (swapchain->context[0]) break;
 801             TRACE("Depth stencil format %s is not supported, trying next format\n",
 802                   debug_d3dformat(formats[i]));
 803         }
 804
 805         if (!swapchain->context[0])
 806         {
 807             WARN("Failed to create context.\n");
 808             hr = WINED3DERR_NOTAVAILABLE;
 809             goto err;
 810         }
 811
 812         if (!present_parameters->EnableAutoDepthStencil
 813                 || swapchain->presentParms.AutoDepthStencilFormat != swapchain->ds_format->id)
 814         {
 815             FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
 816         }
 817         context_release(swapchain->context[0]);
 818     }
 819     else
 820     {
 821         swapchain->context[0] = NULL;
 822     }
 823
 824     if (swapchain->presentParms.BackBufferCount > 0)
 825     {
 826         swapchain->back_buffers = HeapAlloc(GetProcessHeap(), 0,
 827                 sizeof(*swapchain->back_buffers) * swapchain->presentParms.BackBufferCount);
 828         if (!swapchain->back_buffers)
 829         {
 830             ERR("Failed to allocate backbuffer array memory.\n");
 831             hr = E_OUTOFMEMORY;
 832             goto err;
 833         }
 834
 835         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 836         {
 837             TRACE("Creating back buffer %u.\n", i);
 838             hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 839                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 840                     swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 841                     swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 842                     (IWineD3DSurface **)&swapchain->back_buffers[i]);
 843             if (FAILED(hr))
 844             {
 845                 WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
 846                 goto err;
 847             }
 848
 849             surface_set_container(swapchain->back_buffers[i], WINED3D_CONTAINER_SWAPCHAIN, (IWineD3DBase *)swapchain);
 850         }
 851     }
 852
 853     /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
 854     if (present_parameters->EnableAutoDepthStencil && surface_type == SURFACE_OPENGL)
 855     {
 856         TRACE("Creating depth/stencil buffer.\n");
 857         if (!device->auto_depth_stencil)
 858         {
 859             hr = IWineD3DDeviceParent_CreateDepthStencilSurface(device->device_parent,
 860                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 861                     swapchain->presentParms.AutoDepthStencilFormat, swapchain->presentParms.MultiSampleType,
 862                     swapchain->presentParms.MultiSampleQuality, FALSE /* FIXME: Discard */,
 863                     (IWineD3DSurface **)&device->auto_depth_stencil);
 864             if (FAILED(hr))
 865             {
 866                 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
 867                 goto err;
 868             }
 869
 870             surface_set_container(device->auto_depth_stencil, WINED3D_CONTAINER_NONE, NULL);
 871         }
 872     }
 873
 874     IWineD3DSwapChain_GetGammaRamp((IWineD3DSwapChain *)swapchain, &swapchain->orig_gamma);
 875
 876     return WINED3D_OK;
 877
 878 err:
 879     if (displaymode_set)
 880     {
 881         DEVMODEW devmode;
 882
 883         ClipCursor(NULL);
 884
 885         /* Change the display settings */
 886         memset(&devmode, 0, sizeof(devmode));
 887         devmode.dmSize = sizeof(devmode);
 888         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 889         devmode.dmBitsPerPel = format->byte_count * CHAR_BIT;
 890         devmode.dmPelsWidth = swapchain->orig_width;
 891         devmode.dmPelsHeight = swapchain->orig_height;
 892         ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
 893     }
 894
 895     if (swapchain->back_buffers)
 896     {
 897         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 898         {
 899             if (swapchain->back_buffers[i]) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->back_buffers[i]);
 900         }
 901         HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
 902     }
 903
 904     if (swapchain->context)
 905     {
 906         if (swapchain->context[0])
 907         {
 908             context_release(swapchain->context[0]);
 909             context_destroy(device, swapchain->context[0]);
 910             swapchain->num_contexts = 0;
 911         }
 912         HeapFree(GetProcessHeap(), 0, swapchain->context);
 913     }
 914
 915     if (swapchain->front_buffer) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->front_buffer);
 916
 917     return hr;
 918 }
 919
 920 struct wined3d_context *swapchain_create_context_for_thread(IWineD3DSwapChain *iface)
 921 {
 922     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *) iface;
 923     struct wined3d_context **newArray;
 924     struct wined3d_context *ctx;
 925
 926     TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
 927
 928     if (!(ctx = context_create(This, This->front_buffer, This->ds_format)))
 929     {
 930         ERR("Failed to create a new context for the swapchain\n");
 931         return NULL;
 932     }
 933     context_release(ctx);
 934
 935     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * (This->num_contexts + 1));
 936     if(!newArray) {
 937         ERR("Out of memory when trying to allocate a new context array\n");
 938         context_destroy(This->device, ctx);
 939         return NULL;
 940     }
 941     memcpy(newArray, This->context, sizeof(*newArray) * This->num_contexts);
 942     HeapFree(GetProcessHeap(), 0, This->context);
 943     newArray[This->num_contexts] = ctx;
 944     This->context = newArray;
 945     This->num_contexts++;
 946
 947     TRACE("Returning context %p\n", ctx);
 948     return ctx;
 949 }
 950
 951 void get_drawable_size_swapchain(struct wined3d_context *context, UINT *width, UINT *height)
 952 {
 953     /* The drawable size of an onscreen drawable is the surface size.
 954      * (Actually: The window size, but the surface is created in window size) */
 955     *width = context->current_rt->currentDesc.Width;
 956     *height = context->current_rt->currentDesc.Height;
 957 }