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

   1 /*
   2  * Copyright 2002-2003 Jason Edmeades
   3  * Copyright 2002-2003 Raphael Junqueira
   4  * Copyright 2005 Oliver Stieber
   5  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wined3d_private.h"
  24
  25
  26 /*TODO: some of the additional parameters may be required to
  27     set the gamma ramp (for some weird reason microsoft have left swap gammaramp in device
  28     but it operates on a swapchain, it may be a good idea to move it to IWineD3DSwapChain for IWineD3D)*/
  29
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  32 WINE_DECLARE_DEBUG_CHANNEL(fps);
  33
  34 /* Do not call while under the GL lock. */
  35 static void WINAPI IWineD3DSwapChainImpl_Destroy(IWineD3DSwapChain *iface)
  36 {
  37     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  38     WINED3DDISPLAYMODE mode;
  39     unsigned int i;
  40
  41     TRACE("Destroying swapchain %p\n", iface);
  42
  43     IWineD3DSwapChain_SetGammaRamp(iface, 0, &This->orig_gamma);
  44
  45     /* Release the swapchain's draw buffers. Make sure This->back_buffers[0] is
  46      * the last buffer to be destroyed, FindContext() depends on that. */
  47     if (This->front_buffer)
  48     {
  49         surface_set_container(This->front_buffer, WINED3D_CONTAINER_NONE, NULL);
  50         if (IWineD3DSurface_Release((IWineD3DSurface *)This->front_buffer))
  51         {
  52             WARN("(%p) Something's still holding the front buffer (%p).\n",
  53                     This, This->front_buffer);
  54         }
  55         This->front_buffer = NULL;
  56     }
  57
  58     if (This->back_buffers)
  59     {
  60         UINT i = This->presentParms.BackBufferCount;
  61
  62         while (i--)
  63         {
  64             surface_set_container(This->back_buffers[i], WINED3D_CONTAINER_NONE, NULL);
  65             if (IWineD3DSurface_Release((IWineD3DSurface *)This->back_buffers[i]))
  66                 WARN("(%p) Something's still holding back buffer %u (%p).\n",
  67                         This, i, This->back_buffers[i]);
  68         }
  69         HeapFree(GetProcessHeap(), 0, This->back_buffers);
  70         This->back_buffers = NULL;
  71     }
  72
  73     for (i = 0; i < This->num_contexts; ++i)
  74     {
  75         context_destroy(This->device, This->context[i]);
  76     }
  77     /* Restore the screen resolution if we rendered in fullscreen
  78      * This will restore the screen resolution to what it was before creating the swapchain. In case of d3d8 and d3d9
  79      * this will be the original desktop resolution. In case of d3d7 this will be a NOP because ddraw sets the resolution
  80      * before starting up Direct3D, thus orig_width and orig_height will be equal to the modes in the presentation params
  81      */
  82     if (!This->presentParms.Windowed && This->presentParms.AutoRestoreDisplayMode)
  83     {
  84         mode.Width = This->orig_width;
  85         mode.Height = This->orig_height;
  86         mode.RefreshRate = 0;
  87         mode.Format = This->orig_fmt;
  88         IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)This->device, 0, &mode);
  89     }
  90
  91     HeapFree(GetProcessHeap(), 0, This->context);
  92     HeapFree(GetProcessHeap(), 0, This);
  93 }
  94
  95 /* A GL context is provided by the caller */
  96 static void swapchain_blit(IWineD3DSwapChainImpl *This, struct wined3d_context *context,
  97         const RECT *src_rect, const RECT *dst_rect)
  98 {
  99     IWineD3DDeviceImpl *device = This->device;
 100     IWineD3DSurfaceImpl *backbuffer = This->back_buffers[0];
 101     UINT src_w = src_rect->right - src_rect->left;
 102     UINT src_h = src_rect->bottom - src_rect->top;
 103     GLenum gl_filter;
 104     const struct wined3d_gl_info *gl_info = context->gl_info;
 105     RECT win_rect;
 106     UINT win_h;
 107
 108     TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
 109             This, context, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect));
 110
 111     if (src_w == dst_rect->right - dst_rect->left && src_h == dst_rect->bottom - dst_rect->top)
 112         gl_filter = GL_NEAREST;
 113     else
 114         gl_filter = GL_LINEAR;
 115
 116     GetClientRect(This->win_handle, &win_rect);
 117     win_h = win_rect.bottom - win_rect.top;
 118
 119     if (gl_info->fbo_ops.glBlitFramebuffer && is_identity_fixup(backbuffer->resource.format->color_fixup))
 120     {
 121         ENTER_GL();
 122         context_apply_fbo_state_blit(context, GL_READ_FRAMEBUFFER, backbuffer, NULL, SFLAG_INTEXTURE);
 123         glReadBuffer(GL_COLOR_ATTACHMENT0);
 124
 125         context_bind_fbo(context, GL_DRAW_FRAMEBUFFER, NULL);
 126         context_set_draw_buffer(context, GL_BACK);
 127
 128         glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
 129         IWineD3DDeviceImpl_MarkStateDirty(device, STATE_RENDER(WINED3DRS_COLORWRITEENABLE));
 130         IWineD3DDeviceImpl_MarkStateDirty(device, STATE_RENDER(WINED3DRS_COLORWRITEENABLE1));
 131         IWineD3DDeviceImpl_MarkStateDirty(device, STATE_RENDER(WINED3DRS_COLORWRITEENABLE2));
 132         IWineD3DDeviceImpl_MarkStateDirty(device, STATE_RENDER(WINED3DRS_COLORWRITEENABLE3));
 133
 134         glDisable(GL_SCISSOR_TEST);
 135         IWineD3DDeviceImpl_MarkStateDirty(This->device, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE));
 136
 137         /* Note that the texture is upside down */
 138         gl_info->fbo_ops.glBlitFramebuffer(src_rect->left, src_rect->top, src_rect->right, src_rect->bottom,
 139                 dst_rect->left, win_h - dst_rect->top, dst_rect->right, win_h - dst_rect->bottom,
 140                 GL_COLOR_BUFFER_BIT, gl_filter);
 141         checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
 142         LEAVE_GL();
 143     }
 144     else
 145     {
 146         struct wined3d_context *context2;
 147         float tex_left = src_rect->left;
 148         float tex_top = src_rect->top;
 149         float tex_right = src_rect->right;
 150         float tex_bottom = src_rect->bottom;
 151
 152         context2 = context_acquire(This->device, This->back_buffers[0]);
 153         context_apply_blit_state(context2, device);
 154
 155         if (backbuffer->flags & SFLAG_NORMCOORD)
 156         {
 157             tex_left /= src_w;
 158             tex_right /= src_w;
 159             tex_top /= src_h;
 160             tex_bottom /= src_h;
 161         }
 162
 163         if (is_complex_fixup(backbuffer->resource.format->color_fixup))
 164             gl_filter = GL_NEAREST;
 165
 166         ENTER_GL();
 167         context_bind_fbo(context2, GL_FRAMEBUFFER, NULL);
 168
 169         /* Set up the texture. The surface is not in a IWineD3D*Texture container,
 170          * so there are no d3d texture settings to dirtify
 171          */
 172         device->blitter->set_shader(device->blit_priv, context2->gl_info, backbuffer);
 173         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MIN_FILTER, gl_filter);
 174         glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MAG_FILTER, gl_filter);
 175
 176         context_set_draw_buffer(context, GL_BACK);
 177
 178         /* Set the viewport to the destination rectandle, disable any projection
 179          * transformation set up by context_apply_blit_state(), and draw a
 180          * (-1,-1)-(1,1) quad.
 181          *
 182          * Back up viewport and matrix to avoid breaking last_was_blit
 183          *
 184          * Note that context_apply_blit_state() set up viewport and ortho to
 185          * match the surface size - we want the GL drawable(=window) size. */
 186         glPushAttrib(GL_VIEWPORT_BIT);
 187         glViewport(dst_rect->left, win_h - dst_rect->bottom, dst_rect->right, win_h - dst_rect->top);
 188         glMatrixMode(GL_PROJECTION);
 189         glPushMatrix();
 190         glLoadIdentity();
 191
 192         glBegin(GL_QUADS);
 193             /* bottom left */
 194             glTexCoord2f(tex_left, tex_bottom);
 195             glVertex2i(-1, -1);
 196
 197             /* top left */
 198             glTexCoord2f(tex_left, tex_top);
 199             glVertex2i(-1, 1);
 200
 201             /* top right */
 202             glTexCoord2f(tex_right, tex_top);
 203             glVertex2i(1, 1);
 204
 205             /* bottom right */
 206             glTexCoord2f(tex_right, tex_bottom);
 207             glVertex2i(1, -1);
 208         glEnd();
 209
 210         glPopMatrix();
 211         glPopAttrib();
 212
 213         device->blitter->unset_shader(context->gl_info);
 214         checkGLcall("Swapchain present blit(manual)\n");
 215         LEAVE_GL();
 216
 217         context_release(context2);
 218     }
 219 }
 220
 221 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface,
 222         const RECT *pSourceRect, const RECT *pDestRect, HWND hDestWindowOverride,
 223         const RGNDATA *pDirtyRegion, DWORD flags)
 224 {
 225     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 226     const struct wined3d_gl_info *gl_info;
 227     struct wined3d_context *context;
 228     RECT src_rect, dst_rect;
 229     BOOL render_to_fbo;
 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.resource.width = This->device->cursorWidth;
 270         cursor.resource.height = This->device->cursorHeight;
 271         /* The cursor must have pow2 sizes */
 272         cursor.pow2Width = cursor.resource.width;
 273         cursor.pow2Height = cursor.resource.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             fbflags = front->flags;
 413             surface_modify_location(front, SFLAG_INDRAWABLE, TRUE);
 414             front->flags = fbflags;
 415         }
 416         else
 417         {
 418             surface_modify_location(front, SFLAG_INDRAWABLE, TRUE);
 419             surface_modify_location(back, SFLAG_INDRAWABLE, TRUE);
 420         }
 421     }
 422     else
 423     {
 424         surface_modify_location(This->front_buffer, SFLAG_INDRAWABLE, TRUE);
 425         /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
 426          * and INTEXTURE copies can keep their old content if they have any defined content.
 427          * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
 428          * the texture / sysmem copy needs to be reloaded from the drawable
 429          */
 430         if (This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP)
 431         {
 432             surface_modify_location(This->back_buffers[0], SFLAG_INDRAWABLE, TRUE);
 433         }
 434     }
 435
 436     if (This->device->depth_stencil)
 437     {
 438         if (This->presentParms.Flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
 439                 || This->device->depth_stencil->flags & SFLAG_DISCARD)
 440         {
 441             surface_modify_ds_location(This->device->depth_stencil, SFLAG_DS_DISCARDED,
 442                     This->device->depth_stencil->resource.width,
 443                     This->device->depth_stencil->resource.height);
 444             if (This->device->depth_stencil == This->device->onscreen_depth_stencil)
 445             {
 446                 IWineD3DSurface_Release((IWineD3DSurface *)This->device->onscreen_depth_stencil);
 447                 This->device->onscreen_depth_stencil = NULL;
 448             }
 449         }
 450     }
 451
 452     context_release(context);
 453
 454     TRACE("returning\n");
 455     return WINED3D_OK;
 456 }
 457
 458 static HRESULT WINAPI IWineD3DSwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window)
 459 {
 460     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 461
 462     if (!window) window = swapchain->device_window;
 463     if (window == swapchain->win_handle) return WINED3D_OK;
 464
 465     TRACE("Setting swapchain %p window from %p to %p\n", swapchain, swapchain->win_handle, window);
 466     swapchain->win_handle = window;
 467
 468     return WINED3D_OK;
 469 }
 470
 471 static const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 472 {
 473     /* IUnknown */
 474     IWineD3DBaseSwapChainImpl_QueryInterface,
 475     IWineD3DBaseSwapChainImpl_AddRef,
 476     IWineD3DBaseSwapChainImpl_Release,
 477     /* IWineD3DSwapChain */
 478     IWineD3DBaseSwapChainImpl_GetParent,
 479     IWineD3DSwapChainImpl_Destroy,
 480     IWineD3DBaseSwapChainImpl_GetDevice,
 481     IWineD3DSwapChainImpl_Present,
 482     IWineD3DSwapChainImpl_SetDestWindowOverride,
 483     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 484     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 485     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 486     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 487     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 488     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 489     IWineD3DBaseSwapChainImpl_GetGammaRamp
 490 };
 491
 492 static void WINAPI IWineGDISwapChainImpl_Destroy(IWineD3DSwapChain *iface)
 493 {
 494     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 495     WINED3DDISPLAYMODE mode;
 496
 497     TRACE("Destroying swapchain %p.\n", iface);
 498
 499     IWineD3DSwapChain_SetGammaRamp(iface, 0, &swapchain->orig_gamma);
 500
 501     /* release the ref to the front and back buffer parents */
 502     if (swapchain->front_buffer)
 503     {
 504         surface_set_container(swapchain->front_buffer, WINED3D_CONTAINER_NONE, NULL);
 505         if (IWineD3DSurface_Release((IWineD3DSurface *)swapchain->front_buffer))
 506             WARN("Something's still holding the front buffer.\n");
 507     }
 508
 509     if (swapchain->back_buffers)
 510     {
 511         UINT i;
 512
 513         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 514         {
 515             surface_set_container(swapchain->back_buffers[i], WINED3D_CONTAINER_NONE, NULL);
 516             if (IWineD3DSurface_Release((IWineD3DSurface *)swapchain->back_buffers[i]))
 517                 WARN("Something's still holding the back buffer.\n");
 518         }
 519         HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
 520     }
 521
 522     /* Restore the screen resolution if we rendered in fullscreen.
 523      * This will restore the screen resolution to what it was before creating
 524      * the swapchain. In case of d3d8 and d3d9 this will be the original
 525      * desktop resolution. In case of d3d7 this will be a NOP because ddraw
 526      * sets the resolution before starting up Direct3D, thus orig_width and
 527      * orig_height will be equal to the modes in the presentation params. */
 528     if (!swapchain->presentParms.Windowed && swapchain->presentParms.AutoRestoreDisplayMode)
 529     {
 530         mode.Width = swapchain->orig_width;
 531         mode.Height = swapchain->orig_height;
 532         mode.RefreshRate = 0;
 533         mode.Format = swapchain->orig_fmt;
 534         IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)swapchain->device, 0, &mode);
 535     }
 536
 537     HeapFree(GetProcessHeap(), 0, swapchain->context);
 538     HeapFree(GetProcessHeap(), 0, swapchain);
 539 }
 540
 541 /* Helper function that blits the front buffer contents to the target window. */
 542 void x11_copy_to_screen(IWineD3DSwapChainImpl *swapchain, const RECT *rect)
 543 {
 544     IWineD3DSurfaceImpl *front;
 545     POINT offset = {0, 0};
 546     HDC src_dc, dst_dc;
 547     RECT draw_rect;
 548     HWND window;
 549
 550     TRACE("swapchain %p, rect %s.\n", swapchain, wine_dbgstr_rect(rect));
 551
 552     front = swapchain->front_buffer;
 553     if (!(front->resource.usage & WINED3DUSAGE_RENDERTARGET))
 554         return;
 555
 556     TRACE("Copying surface %p to screen.\n", front);
 557
 558     src_dc = front->hDC;
 559     window = swapchain->win_handle;
 560     dst_dc = GetDCEx(window, 0, DCX_CLIPSIBLINGS | DCX_CACHE);
 561
 562     /* Front buffer coordinates are screen coordinates. Map them to the
 563      * destination window if not fullscreened. */
 564     if (swapchain->presentParms.Windowed)
 565         ClientToScreen(window, &offset);
 566
 567     TRACE("offset %s.\n", wine_dbgstr_point(&offset));
 568
 569 #if 0
 570     /* FIXME: This doesn't work... if users really want to run
 571      * X in 8bpp, then we need to call directly into display.drv
 572      * (or Wine's equivalent), and force a private colormap
 573      * without default entries. */
 574     if (front->palette)
 575     {
 576         SelectPalette(dst_dc, front->palette->hpal, FALSE);
 577         RealizePalette(dst_dc); /* sends messages => deadlocks */
 578     }
 579 #endif
 580
 581     draw_rect.left = 0;
 582     draw_rect.right = front->resource.width;
 583     draw_rect.top = 0;
 584     draw_rect.bottom = front->resource.height;
 585
 586 #if 0
 587     /* TODO: Support clippers. */
 588     if (front->clipper)
 589     {
 590         RECT xrc;
 591         HWND hwnd = ((IWineD3DClipperImpl *)front->clipper)->hWnd;
 592         if (hwnd && GetClientRect(hwnd,&xrc))
 593         {
 594             OffsetRect(&xrc, offset.x, offset.y);
 595             IntersectRect(&draw_rect, &draw_rect, &xrc);
 596         }
 597     }
 598 #endif
 599
 600     if (!rect)
 601     {
 602         /* Only use this if the caller did not pass a rectangle, since
 603          * due to double locking this could be the wrong one... */
 604         if (front->lockedRect.left != front->lockedRect.right)
 605             IntersectRect(&draw_rect, &draw_rect, &front->lockedRect);
 606     }
 607     else
 608     {
 609         IntersectRect(&draw_rect, &draw_rect, rect);
 610     }
 611
 612     BitBlt(dst_dc, draw_rect.left - offset.x, draw_rect.top - offset.y,
 613             draw_rect.right - draw_rect.left, draw_rect.bottom - draw_rect.top,
 614             src_dc, draw_rect.left, draw_rect.top, SRCCOPY);
 615     ReleaseDC(window, dst_dc);
 616 }
 617
 618 static HRESULT WINAPI IWineGDISwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window)
 619 {
 620     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 621
 622     TRACE("iface %p, window %p.\n", iface, window);
 623
 624     swapchain->win_handle = window;
 625
 626     return WINED3D_OK;
 627 }
 628
 629 static HRESULT WINAPI IWineGDISwapChainImpl_Present(IWineD3DSwapChain *iface,
 630         const RECT *pSourceRect, const RECT *pDestRect, HWND hDestWindowOverride,
 631         const RGNDATA *pDirtyRegion, DWORD flags)
 632 {
 633     IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)iface;
 634     IWineD3DSurfaceImpl *front, *back;
 635
 636     if (!swapchain->back_buffers)
 637     {
 638         WARN("Swapchain doesn't have a backbuffer, returning WINED3DERR_INVALIDCALL\n");
 639         return WINED3DERR_INVALIDCALL;
 640     }
 641     front = swapchain->front_buffer;
 642     back = swapchain->back_buffers[0];
 643
 644     /* Flip the DC. */
 645     {
 646         HDC tmp;
 647         tmp = front->hDC;
 648         front->hDC = back->hDC;
 649         back->hDC = tmp;
 650     }
 651
 652     /* Flip the DIBsection. */
 653     {
 654         HBITMAP tmp;
 655         tmp = front->dib.DIBsection;
 656         front->dib.DIBsection = back->dib.DIBsection;
 657         back->dib.DIBsection = tmp;
 658     }
 659
 660     /* Flip the surface data. */
 661     {
 662         void *tmp;
 663
 664         tmp = front->dib.bitmap_data;
 665         front->dib.bitmap_data = back->dib.bitmap_data;
 666         back->dib.bitmap_data = tmp;
 667
 668         tmp = front->resource.allocatedMemory;
 669         front->resource.allocatedMemory = back->resource.allocatedMemory;
 670         back->resource.allocatedMemory = tmp;
 671
 672         if (front->resource.heapMemory)
 673             ERR("GDI Surface %p has heap memory allocated.\n", front);
 674
 675         if (back->resource.heapMemory)
 676             ERR("GDI Surface %p has heap memory allocated.\n", back);
 677     }
 678
 679     /* Client_memory should not be different, but just in case. */
 680     {
 681         BOOL tmp;
 682         tmp = front->dib.client_memory;
 683         front->dib.client_memory = back->dib.client_memory;
 684         back->dib.client_memory = tmp;
 685     }
 686
 687     /* FPS support */
 688     if (TRACE_ON(fps))
 689     {
 690         static LONG prev_time, frames;
 691         DWORD time = GetTickCount();
 692
 693         ++frames;
 694
 695         /* every 1.5 seconds */
 696         if (time - prev_time > 1500)
 697         {
 698             TRACE_(fps)("@ approx %.2ffps\n", 1000.0 * frames / (time - prev_time));
 699             prev_time = time;
 700             frames = 0;
 701         }
 702     }
 703
 704     x11_copy_to_screen(swapchain, NULL);
 705
 706     return WINED3D_OK;
 707 }
 708
 709 static const IWineD3DSwapChainVtbl IWineGDISwapChain_Vtbl =
 710 {
 711     /* IUnknown */
 712     IWineD3DBaseSwapChainImpl_QueryInterface,
 713     IWineD3DBaseSwapChainImpl_AddRef,
 714     IWineD3DBaseSwapChainImpl_Release,
 715     /* IWineD3DSwapChain */
 716     IWineD3DBaseSwapChainImpl_GetParent,
 717     IWineGDISwapChainImpl_Destroy,
 718     IWineD3DBaseSwapChainImpl_GetDevice,
 719     IWineGDISwapChainImpl_Present,
 720     IWineGDISwapChainImpl_SetDestWindowOverride,
 721     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 722     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 723     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 724     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 725     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 726     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 727     IWineD3DBaseSwapChainImpl_GetGammaRamp,
 728 };
 729
 730 /* Do not call while under the GL lock. */
 731 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
 732         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, void *parent)
 733 {
 734     const struct wined3d_adapter *adapter = device->adapter;
 735     const struct wined3d_format *format;
 736     BOOL displaymode_set = FALSE;
 737     WINED3DDISPLAYMODE mode;
 738     RECT client_rect;
 739     HWND window;
 740     HRESULT hr;
 741     UINT i;
 742
 743     if (present_parameters->BackBufferCount > WINED3DPRESENT_BACK_BUFFER_MAX)
 744     {
 745         FIXME("The application requested %u back buffers, this is not supported.\n",
 746                 present_parameters->BackBufferCount);
 747         return WINED3DERR_INVALIDCALL;
 748     }
 749
 750     if (present_parameters->BackBufferCount > 1)
 751     {
 752         FIXME("The application requested more than one back buffer, this is not properly supported.\n"
 753                 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
 754     }
 755
 756     switch (surface_type)
 757     {
 758         case SURFACE_GDI:
 759             swapchain->lpVtbl = &IWineGDISwapChain_Vtbl;
 760             break;
 761
 762         case SURFACE_OPENGL:
 763             swapchain->lpVtbl = &IWineD3DSwapChain_Vtbl;
 764             break;
 765
 766         case SURFACE_UNKNOWN:
 767             FIXME("Caller tried to create a SURFACE_UNKNOWN swapchain.\n");
 768             return WINED3DERR_INVALIDCALL;
 769     }
 770
 771     window = present_parameters->hDeviceWindow ? present_parameters->hDeviceWindow : device->createParms.hFocusWindow;
 772
 773     swapchain->device = device;
 774     swapchain->parent = parent;
 775     swapchain->ref = 1;
 776     swapchain->win_handle = window;
 777     swapchain->device_window = window;
 778
 779     wined3d_get_adapter_display_mode(device->wined3d, adapter->ordinal, &mode);
 780     swapchain->orig_width = mode.Width;
 781     swapchain->orig_height = mode.Height;
 782     swapchain->orig_fmt = mode.Format;
 783     format = wined3d_get_format(&adapter->gl_info, mode.Format);
 784
 785     GetClientRect(window, &client_rect);
 786     if (present_parameters->Windowed
 787             && (!present_parameters->BackBufferWidth || !present_parameters->BackBufferHeight
 788             || present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN))
 789     {
 790
 791         if (!present_parameters->BackBufferWidth)
 792         {
 793             present_parameters->BackBufferWidth = client_rect.right;
 794             TRACE("Updating width to %u.\n", present_parameters->BackBufferWidth);
 795         }
 796
 797         if (!present_parameters->BackBufferHeight)
 798         {
 799             present_parameters->BackBufferHeight = client_rect.bottom;
 800             TRACE("Updating height to %u.\n", present_parameters->BackBufferHeight);
 801         }
 802
 803         if (present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN)
 804         {
 805             present_parameters->BackBufferFormat = swapchain->orig_fmt;
 806             TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
 807         }
 808     }
 809     swapchain->presentParms = *present_parameters;
 810
 811     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
 812             && present_parameters->BackBufferCount
 813             && (present_parameters->BackBufferWidth != client_rect.right
 814             || present_parameters->BackBufferHeight != client_rect.bottom))
 815     {
 816         TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u.\n",
 817                 present_parameters->BackBufferWidth,
 818                 present_parameters->BackBufferHeight,
 819                 client_rect.right, client_rect.bottom);
 820         swapchain->render_to_fbo = TRUE;
 821     }
 822
 823     TRACE("Creating front buffer.\n");
 824     hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 825             swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 826             swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 827             swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 828             (IWineD3DSurface **)&swapchain->front_buffer);
 829     if (FAILED(hr))
 830     {
 831         WARN("Failed to create front buffer, hr %#x.\n", hr);
 832         goto err;
 833     }
 834
 835     surface_set_container(swapchain->front_buffer, WINED3D_CONTAINER_SWAPCHAIN, swapchain);
 836     if (surface_type == SURFACE_OPENGL)
 837     {
 838         surface_modify_location(swapchain->front_buffer, SFLAG_INDRAWABLE, TRUE);
 839     }
 840
 841     /* MSDN says we're only allowed a single fullscreen swapchain per device,
 842      * so we should really check to see if there is a fullscreen swapchain
 843      * already. Does a single head count as full screen? */
 844
 845     if (!present_parameters->Windowed)
 846     {
 847         WINED3DDISPLAYMODE mode;
 848
 849         /* Change the display settings */
 850         mode.Width = present_parameters->BackBufferWidth;
 851         mode.Height = present_parameters->BackBufferHeight;
 852         mode.Format = present_parameters->BackBufferFormat;
 853         mode.RefreshRate = present_parameters->FullScreen_RefreshRateInHz;
 854
 855         hr = IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)device, 0, &mode);
 856         if (FAILED(hr))
 857         {
 858             WARN("Failed to set display mode, hr %#x.\n", hr);
 859             goto err;
 860         }
 861         displaymode_set = TRUE;
 862     }
 863
 864     swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(swapchain->context));
 865     if (!swapchain->context)
 866     {
 867         ERR("Failed to create the context array.\n");
 868         hr = E_OUTOFMEMORY;
 869         goto err;
 870     }
 871     swapchain->num_contexts = 1;
 872
 873     if (surface_type == SURFACE_OPENGL)
 874     {
 875         static const enum wined3d_format_id formats[] =
 876         {
 877             WINED3DFMT_D24_UNORM_S8_UINT,
 878             WINED3DFMT_D32_UNORM,
 879             WINED3DFMT_R24_UNORM_X8_TYPELESS,
 880             WINED3DFMT_D16_UNORM,
 881             WINED3DFMT_S1_UINT_D15_UNORM
 882         };
 883
 884         const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 885
 886         /* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
 887          * You are able to add a depth + stencil surface at a later stage when you need it.
 888          * In order to support this properly in WineD3D we need the ability to recreate the opengl context and
 889          * drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
 890          * context, need torecreate shaders, textures and other resources.
 891          *
 892          * The context manager already takes care of the state problem and for the other tasks code from Reset
 893          * can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
 894          * Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
 895          * time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
 896          * issue needs to be fixed. */
 897         for (i = 0; i < (sizeof(formats) / sizeof(*formats)); i++)
 898         {
 899             swapchain->ds_format = wined3d_get_format(gl_info, formats[i]);
 900             swapchain->context[0] = context_create(swapchain, swapchain->front_buffer, swapchain->ds_format);
 901             if (swapchain->context[0]) break;
 902             TRACE("Depth stencil format %s is not supported, trying next format\n",
 903                   debug_d3dformat(formats[i]));
 904         }
 905
 906         if (!swapchain->context[0])
 907         {
 908             WARN("Failed to create context.\n");
 909             hr = WINED3DERR_NOTAVAILABLE;
 910             goto err;
 911         }
 912
 913         if (!present_parameters->EnableAutoDepthStencil
 914                 || swapchain->presentParms.AutoDepthStencilFormat != swapchain->ds_format->id)
 915         {
 916             FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
 917         }
 918         context_release(swapchain->context[0]);
 919     }
 920     else
 921     {
 922         swapchain->context[0] = NULL;
 923     }
 924
 925     if (swapchain->presentParms.BackBufferCount > 0)
 926     {
 927         swapchain->back_buffers = HeapAlloc(GetProcessHeap(), 0,
 928                 sizeof(*swapchain->back_buffers) * swapchain->presentParms.BackBufferCount);
 929         if (!swapchain->back_buffers)
 930         {
 931             ERR("Failed to allocate backbuffer array memory.\n");
 932             hr = E_OUTOFMEMORY;
 933             goto err;
 934         }
 935
 936         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 937         {
 938             TRACE("Creating back buffer %u.\n", i);
 939             hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
 940                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 941                     swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
 942                     swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */,
 943                     (IWineD3DSurface **)&swapchain->back_buffers[i]);
 944             if (FAILED(hr))
 945             {
 946                 WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
 947                 goto err;
 948             }
 949
 950             surface_set_container(swapchain->back_buffers[i], WINED3D_CONTAINER_SWAPCHAIN, swapchain);
 951         }
 952     }
 953
 954     /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
 955     if (present_parameters->EnableAutoDepthStencil && surface_type == SURFACE_OPENGL)
 956     {
 957         TRACE("Creating depth/stencil buffer.\n");
 958         if (!device->auto_depth_stencil)
 959         {
 960             hr = IWineD3DDeviceParent_CreateDepthStencilSurface(device->device_parent,
 961                     swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
 962                     swapchain->presentParms.AutoDepthStencilFormat, swapchain->presentParms.MultiSampleType,
 963                     swapchain->presentParms.MultiSampleQuality, FALSE /* FIXME: Discard */,
 964                     (IWineD3DSurface **)&device->auto_depth_stencil);
 965             if (FAILED(hr))
 966             {
 967                 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
 968                 goto err;
 969             }
 970
 971             surface_set_container(device->auto_depth_stencil, WINED3D_CONTAINER_NONE, NULL);
 972         }
 973     }
 974
 975     IWineD3DSwapChain_GetGammaRamp((IWineD3DSwapChain *)swapchain, &swapchain->orig_gamma);
 976
 977     return WINED3D_OK;
 978
 979 err:
 980     if (displaymode_set)
 981     {
 982         DEVMODEW devmode;
 983
 984         ClipCursor(NULL);
 985
 986         /* Change the display settings */
 987         memset(&devmode, 0, sizeof(devmode));
 988         devmode.dmSize = sizeof(devmode);
 989         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 990         devmode.dmBitsPerPel = format->byte_count * CHAR_BIT;
 991         devmode.dmPelsWidth = swapchain->orig_width;
 992         devmode.dmPelsHeight = swapchain->orig_height;
 993         ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
 994     }
 995
 996     if (swapchain->back_buffers)
 997     {
 998         for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
 999         {
1000             if (swapchain->back_buffers[i]) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->back_buffers[i]);
1001         }
1002         HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
1003     }
1004
1005     if (swapchain->context)
1006     {
1007         if (swapchain->context[0])
1008         {
1009             context_release(swapchain->context[0]);
1010             context_destroy(device, swapchain->context[0]);
1011             swapchain->num_contexts = 0;
1012         }
1013         HeapFree(GetProcessHeap(), 0, swapchain->context);
1014     }
1015
1016     if (swapchain->front_buffer) IWineD3DSurface_Release((IWineD3DSurface *)swapchain->front_buffer);
1017
1018     return hr;
1019 }
1020
1021 /* Do not call while under the GL lock. */
1022 static struct wined3d_context *swapchain_create_context(struct IWineD3DSwapChainImpl *swapchain)
1023 {
1024     struct wined3d_context **newArray;
1025     struct wined3d_context *ctx;
1026
1027     TRACE("Creating a new context for swapchain %p, thread %u.\n", swapchain, GetCurrentThreadId());
1028
1029     if (!(ctx = context_create(swapchain, swapchain->front_buffer, swapchain->ds_format)))
1030     {
1031         ERR("Failed to create a new context for the swapchain\n");
1032         return NULL;
1033     }
1034     context_release(ctx);
1035
1036     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * (swapchain->num_contexts + 1));
1037     if(!newArray) {
1038         ERR("Out of memory when trying to allocate a new context array\n");
1039         context_destroy(swapchain->device, ctx);
1040         return NULL;
1041     }
1042     memcpy(newArray, swapchain->context, sizeof(*newArray) * swapchain->num_contexts);
1043     HeapFree(GetProcessHeap(), 0, swapchain->context);
1044     newArray[swapchain->num_contexts] = ctx;
1045     swapchain->context = newArray;
1046     swapchain->num_contexts++;
1047
1048     TRACE("Returning context %p\n", ctx);
1049     return ctx;
1050 }
1051
1052 struct wined3d_context *swapchain_get_context(struct IWineD3DSwapChainImpl *swapchain)
1053 {
1054     DWORD tid = GetCurrentThreadId();
1055     unsigned int i;
1056
1057     for (i = 0; i < swapchain->num_contexts; ++i)
1058     {
1059         if (swapchain->context[i]->tid == tid)
1060             return swapchain->context[i];
1061     }
1062
1063     /* Create a new context for the thread */
1064     return swapchain_create_context(swapchain);
1065 }
1066
1067 void get_drawable_size_swapchain(struct wined3d_context *context, UINT *width, UINT *height)
1068 {
1069     /* The drawable size of an onscreen drawable is the surface size.
1070      * (Actually: The window size, but the surface is created in window size) */
1071     *width = context->current_rt->resource.width;
1072     *height = context->current_rt->resource.height;
1073 }