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->wineD3DDevice->adapter->gl_info
  37
  38 /*IWineD3DSwapChain parts follow: */
  39 static void WINAPI IWineD3DSwapChainImpl_Destroy(IWineD3DSwapChain *iface, D3DCB_DESTROYSURFACEFN D3DCB_DestroyRenderTarget) {
  40     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  41     WINED3DDISPLAYMODE mode;
  42     unsigned int i;
  43
  44     TRACE("Destroying swapchain %p\n", iface);
  45
  46     IWineD3DSwapChain_SetGammaRamp(iface, 0, &This->orig_gamma);
  47
  48     /* release the ref to the front and back buffer parents */
  49     if(This->frontBuffer) {
  50         IWineD3DSurface_SetContainer(This->frontBuffer, 0);
  51         if(D3DCB_DestroyRenderTarget(This->frontBuffer) > 0) {
  52             FIXME("(%p) Something's still holding the front buffer\n",This);
  53         }
  54     }
  55
  56     if(This->backBuffer) {
  57         UINT i;
  58         for(i = 0; i < This->presentParms.BackBufferCount; i++) {
  59             IWineD3DSurface_SetContainer(This->backBuffer[i], 0);
  60             if(D3DCB_DestroyRenderTarget(This->backBuffer[i]) > 0) {
  61                 FIXME("(%p) Something's still holding the back buffer\n",This);
  62             }
  63         }
  64         HeapFree(GetProcessHeap(), 0, This->backBuffer);
  65     }
  66
  67     for (i = 0; i < This->num_contexts; ++i)
  68     {
  69         if (This->context[i] == This->wineD3DDevice->activeContext)
  70         {
  71             IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)This->wineD3DDevice->swapchains[0];
  72
  73             /* Avoid destroying the currently active context for non-implicit swapchains. */
  74             if (This != swapchain)
  75             {
  76                 TRACE("Would destroy currently active context %p on a non-implicit swapchain.\n", This->context[i]);
  77
  78                 if (swapchain->backBuffer)
  79                     ActivateContext(This->wineD3DDevice, swapchain->backBuffer[0], CTXUSAGE_RESOURCELOAD);
  80                 else
  81                     ActivateContext(This->wineD3DDevice, swapchain->frontBuffer, CTXUSAGE_RESOURCELOAD);
  82             }
  83         }
  84
  85         DestroyContext(This->wineD3DDevice, This->context[i]);
  86     }
  87     /* Restore the screen resolution if we rendered in fullscreen
  88      * This will restore the screen resolution to what it was before creating the swapchain. In case of d3d8 and d3d9
  89      * this will be the original desktop resolution. In case of d3d7 this will be a NOP because ddraw sets the resolution
  90      * before starting up Direct3D, thus orig_width and orig_height will be equal to the modes in the presentation params
  91      */
  92     if(This->presentParms.Windowed == FALSE && This->presentParms.AutoRestoreDisplayMode) {
  93         mode.Width = This->orig_width;
  94         mode.Height = This->orig_height;
  95         mode.RefreshRate = 0;
  96         mode.Format = This->orig_fmt;
  97         IWineD3DDevice_SetDisplayMode((IWineD3DDevice *) This->wineD3DDevice, 0, &mode);
  98     }
  99     HeapFree(GetProcessHeap(), 0, This->context);
 100
 101     HeapFree(GetProcessHeap(), 0, This);
 102 }
 103
 104 static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 105     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 106     unsigned int sync;
 107     int retval;
 108
 109
 110     ActivateContext(This->wineD3DDevice, This->backBuffer[0], CTXUSAGE_RESOURCELOAD);
 111
 112     /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
 113     if(This->wineD3DDevice->bCursorVisible && This->wineD3DDevice->cursorTexture) {
 114         IWineD3DSurfaceImpl cursor;
 115         RECT destRect = {This->wineD3DDevice->xScreenSpace - This->wineD3DDevice->xHotSpot,
 116                          This->wineD3DDevice->yScreenSpace - This->wineD3DDevice->yHotSpot,
 117                          This->wineD3DDevice->xScreenSpace + This->wineD3DDevice->cursorWidth - This->wineD3DDevice->xHotSpot,
 118                          This->wineD3DDevice->yScreenSpace + This->wineD3DDevice->cursorHeight - This->wineD3DDevice->yHotSpot};
 119         TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
 120         /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
 121          * the application because we are only supposed to copy the information out. Using a fake surface
 122          * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
 123          */
 124         memset(&cursor, 0, sizeof(cursor));
 125         cursor.lpVtbl = &IWineD3DSurface_Vtbl;
 126         cursor.resource.ref = 1;
 127         cursor.resource.wineD3DDevice = This->wineD3DDevice;
 128         cursor.resource.pool = WINED3DPOOL_SCRATCH;
 129         cursor.resource.format_desc = getFormatDescEntry(WINED3DFMT_A8R8G8B8, &This->wineD3DDevice->adapter->gl_info);
 130         cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
 131         cursor.texture_name = This->wineD3DDevice->cursorTexture;
 132         cursor.texture_target = GL_TEXTURE_2D;
 133         cursor.texture_level = 0;
 134         cursor.currentDesc.Width = This->wineD3DDevice->cursorWidth;
 135         cursor.currentDesc.Height = This->wineD3DDevice->cursorHeight;
 136         cursor.glRect.left = 0;
 137         cursor.glRect.top = 0;
 138         cursor.glRect.right = cursor.currentDesc.Width;
 139         cursor.glRect.bottom = cursor.currentDesc.Height;
 140         /* The cursor must have pow2 sizes */
 141         cursor.pow2Width = cursor.currentDesc.Width;
 142         cursor.pow2Height = cursor.currentDesc.Height;
 143         /* The surface is in the texture */
 144         cursor.Flags |= SFLAG_INTEXTURE;
 145         /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
 146          * which is exactly what we want :-)
 147          */
 148         if (This->presentParms.Windowed) {
 149             MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
 150         }
 151         IWineD3DSurface_Blt(This->backBuffer[0], &destRect, (IWineD3DSurface *) &cursor, NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_NONE);
 152     }
 153     if(This->wineD3DDevice->logo_surface) {
 154         /* Blit the logo into the upper left corner of the drawable */
 155         IWineD3DSurface_BltFast(This->backBuffer[0], 0, 0, This->wineD3DDevice->logo_surface, NULL, WINEDDBLTFAST_SRCCOLORKEY);
 156     }
 157
 158     if (pSourceRect || pDestRect) FIXME("Unhandled present rects %s/%s\n", wine_dbgstr_rect(pSourceRect), wine_dbgstr_rect(pDestRect));
 159     /* TODO: If only source rect or dest rect are supplied then clip the window to match */
 160     TRACE("presetting HDC %p\n", This->context[0]->hdc);
 161
 162     /* Don't call checkGLcall, as glGetError is not applicable here */
 163     if (hDestWindowOverride && This->win_handle != hDestWindowOverride) {
 164         IWineD3DSwapChain_SetDestWindowOverride(iface, hDestWindowOverride);
 165     }
 166
 167     SwapBuffers(This->context[0]->hdc); /* TODO: cycle through the swapchain buffers */
 168
 169     TRACE("SwapBuffers called, Starting new frame\n");
 170     /* FPS support */
 171     if (TRACE_ON(fps))
 172     {
 173         DWORD time = GetTickCount();
 174         This->frames++;
 175         /* every 1.5 seconds */
 176         if (time - This->prev_time > 1500) {
 177             TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
 178             This->prev_time = time;
 179             This->frames = 0;
 180         }
 181     }
 182
 183 #if defined(FRAME_DEBUGGING)
 184 {
 185     if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
 186         if (!isOn) {
 187             isOn = TRUE;
 188             FIXME("Enabling D3D Trace\n");
 189             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
 190 #if defined(SHOW_FRAME_MAKEUP)
 191             FIXME("Singe Frame snapshots Starting\n");
 192             isDumpingFrames = TRUE;
 193             ENTER_GL();
 194             glClear(GL_COLOR_BUFFER_BIT);
 195             LEAVE_GL();
 196 #endif
 197
 198 #if defined(SINGLE_FRAME_DEBUGGING)
 199         } else {
 200 #if defined(SHOW_FRAME_MAKEUP)
 201             FIXME("Singe Frame snapshots Finishing\n");
 202             isDumpingFrames = FALSE;
 203 #endif
 204             FIXME("Singe Frame trace complete\n");
 205             DeleteFileA("C:\\D3DTRACE");
 206             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 207 #endif
 208         }
 209     } else {
 210         if (isOn) {
 211             isOn = FALSE;
 212 #if defined(SHOW_FRAME_MAKEUP)
 213             FIXME("Single Frame snapshots Finishing\n");
 214             isDumpingFrames = FALSE;
 215 #endif
 216             FIXME("Disabling D3D Trace\n");
 217             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 218         }
 219     }
 220 }
 221 #endif
 222
 223     /* This is disabled, but the code left in for debug purposes.
 224      *
 225      * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
 226      * we can clear it with some ugly color to make bad drawing visible and ease debugging.
 227      * The Debug runtime does the same on Windows. However, a few games do not redraw the
 228      * screen properly, like Max Payne 2, which leaves a few pixels undefined.
 229      *
 230      * Tests show that the content of the back buffer after a discard flip is indeed not
 231      * reliable, so no game can depend on the exact content. However, it resembles the
 232      * old contents in some way, for example by showing fragments at other locations. In
 233      * general, the color theme is still intact. So Max payne, which draws rather dark scenes
 234      * gets a dark background image. If we clear it with a bright ugly color, the game's
 235      * bug shows up much more than it does on Windows, and the players see single pixels
 236      * with wrong colors.
 237      * (The Max Payne bug has been confirmed on Windows with the debug runtime)
 238      */
 239     if (FALSE && This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
 240         TRACE("Clearing the color buffer with cyan color\n");
 241
 242         IWineD3DDevice_Clear((IWineD3DDevice*)This->wineD3DDevice, 0, NULL,
 243                 WINED3DCLEAR_TARGET, 0xff00ffff, 1.0f, 0);
 244     }
 245
 246     if(((IWineD3DSurfaceImpl *) This->frontBuffer)->Flags   & SFLAG_INSYSMEM ||
 247        ((IWineD3DSurfaceImpl *) This->backBuffer[0])->Flags & SFLAG_INSYSMEM ) {
 248         /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying */
 249         IWineD3DSurfaceImpl *front = (IWineD3DSurfaceImpl *) This->frontBuffer;
 250         IWineD3DSurfaceImpl *back = (IWineD3DSurfaceImpl *) This->backBuffer[0];
 251
 252         if(front->resource.size == back->resource.size) {
 253             DWORD fbflags;
 254             flip_surface(front, back);
 255
 256             /* Tell the front buffer surface that is has been modified. However,
 257              * the other locations were preserved during that, so keep the flags.
 258              * This serves to update the emulated overlay, if any
 259              */
 260             fbflags = front->Flags;
 261             IWineD3DSurface_ModifyLocation(This->frontBuffer, SFLAG_INDRAWABLE, TRUE);
 262             front->Flags = fbflags;
 263         } else {
 264             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) front, SFLAG_INDRAWABLE, TRUE);
 265             IWineD3DSurface_ModifyLocation((IWineD3DSurface *) back, SFLAG_INDRAWABLE, TRUE);
 266         }
 267     } else {
 268         IWineD3DSurface_ModifyLocation(This->frontBuffer, SFLAG_INDRAWABLE, TRUE);
 269         /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
 270          * and INTEXTURE copies can keep their old content if they have any defined content.
 271          * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
 272          * the texture / sysmem copy needs to be reloaded from the drawable
 273          */
 274         if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP) {
 275             IWineD3DSurface_ModifyLocation(This->backBuffer[0], SFLAG_INDRAWABLE, TRUE);
 276         }
 277     }
 278
 279     if (This->wineD3DDevice->stencilBufferTarget) {
 280         if (This->presentParms.Flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
 281                 || ((IWineD3DSurfaceImpl *)This->wineD3DDevice->stencilBufferTarget)->Flags & SFLAG_DISCARD) {
 282             surface_modify_ds_location(This->wineD3DDevice->stencilBufferTarget, SFLAG_DS_DISCARDED);
 283         }
 284     }
 285
 286     if(This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE && GL_SUPPORT(SGI_VIDEO_SYNC)) {
 287         retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
 288         if(retval != 0) {
 289             ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
 290         }
 291
 292         switch(This->presentParms.PresentationInterval) {
 293             case WINED3DPRESENT_INTERVAL_DEFAULT:
 294             case WINED3DPRESENT_INTERVAL_ONE:
 295                 if(sync <= This->vSyncCounter) {
 296                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
 297                 } else {
 298                     This->vSyncCounter = sync;
 299                 }
 300                 break;
 301             case WINED3DPRESENT_INTERVAL_TWO:
 302                 if(sync <= This->vSyncCounter + 1) {
 303                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
 304                 } else {
 305                     This->vSyncCounter = sync;
 306                 }
 307                 break;
 308             case WINED3DPRESENT_INTERVAL_THREE:
 309                 if(sync <= This->vSyncCounter + 2) {
 310                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
 311                 } else {
 312                     This->vSyncCounter = sync;
 313                 }
 314                 break;
 315             case WINED3DPRESENT_INTERVAL_FOUR:
 316                 if(sync <= This->vSyncCounter + 3) {
 317                     retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
 318                 } else {
 319                     This->vSyncCounter = sync;
 320                 }
 321                 break;
 322             default:
 323                 FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
 324         }
 325     }
 326
 327     TRACE("returning\n");
 328     return WINED3D_OK;
 329 }
 330
 331 static HRESULT WINAPI IWineD3DSwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window) {
 332     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 333     WINED3DLOCKED_RECT r;
 334     BYTE *mem;
 335
 336     if(window == This->win_handle) return WINED3D_OK;
 337
 338     TRACE("Performing dest override of swapchain %p from window %p to %p\n", This, This->win_handle, window);
 339     if(This->context[0] == This->wineD3DDevice->contexts[0]) {
 340         /* The primary context 'owns' all the opengl resources. Destroying and recreating that context requires downloading
 341          * all opengl resources, deleting the gl resources, destroying all other contexts, then recreating all other contexts
 342          * and reload the resources
 343          */
 344         delete_opengl_contexts((IWineD3DDevice *) This->wineD3DDevice, iface);
 345         This->win_handle             = window;
 346         create_primary_opengl_context((IWineD3DDevice *) This->wineD3DDevice, iface);
 347     } else {
 348         This->win_handle             = window;
 349
 350         /* The old back buffer has to be copied over to the new back buffer. A lockrect - switchcontext - unlockrect
 351          * would suffice in theory, but it is rather nasty and may cause troubles with future changes of the locking code
 352          * So lock read only, copy the surface out, then lock with the discard flag and write back
 353          */
 354         IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_READONLY);
 355         mem = HeapAlloc(GetProcessHeap(), 0, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 356         memcpy(mem, r.pBits, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 357         IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 358
 359         DestroyContext(This->wineD3DDevice, This->context[0]);
 360         This->context[0] = CreateContext(This->wineD3DDevice, (IWineD3DSurfaceImpl *) This->frontBuffer, This->win_handle, FALSE /* pbuffer */, &This->presentParms);
 361
 362         IWineD3DSurface_LockRect(This->backBuffer[0], &r, NULL, WINED3DLOCK_DISCARD);
 363         memcpy(r.pBits, mem, r.Pitch * ((IWineD3DSurfaceImpl *) This->backBuffer[0])->currentDesc.Height);
 364         HeapFree(GetProcessHeap(), 0, mem);
 365         IWineD3DSurface_UnlockRect(This->backBuffer[0]);
 366     }
 367     return WINED3D_OK;
 368 }
 369
 370 const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 371 {
 372     /* IUnknown */
 373     IWineD3DBaseSwapChainImpl_QueryInterface,
 374     IWineD3DBaseSwapChainImpl_AddRef,
 375     IWineD3DBaseSwapChainImpl_Release,
 376     /* IWineD3DSwapChain */
 377     IWineD3DBaseSwapChainImpl_GetParent,
 378     IWineD3DSwapChainImpl_Destroy,
 379     IWineD3DBaseSwapChainImpl_GetDevice,
 380     IWineD3DSwapChainImpl_Present,
 381     IWineD3DSwapChainImpl_SetDestWindowOverride,
 382     IWineD3DBaseSwapChainImpl_GetFrontBufferData,
 383     IWineD3DBaseSwapChainImpl_GetBackBuffer,
 384     IWineD3DBaseSwapChainImpl_GetRasterStatus,
 385     IWineD3DBaseSwapChainImpl_GetDisplayMode,
 386     IWineD3DBaseSwapChainImpl_GetPresentParameters,
 387     IWineD3DBaseSwapChainImpl_SetGammaRamp,
 388     IWineD3DBaseSwapChainImpl_GetGammaRamp
 389 };
 390
 391 WineD3DContext *IWineD3DSwapChainImpl_CreateContextForThread(IWineD3DSwapChain *iface) {
 392     WineD3DContext *ctx;
 393     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *) iface;
 394     WineD3DContext **newArray;
 395
 396     TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
 397
 398     ctx = CreateContext(This->wineD3DDevice, (IWineD3DSurfaceImpl *) This->frontBuffer,
 399                         This->context[0]->win_handle, FALSE /* pbuffer */, &This->presentParms);
 400     if(!ctx) {
 401         ERR("Failed to create a new context for the swapchain\n");
 402         return NULL;
 403     }
 404
 405     newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray) * This->num_contexts + 1);
 406     if(!newArray) {
 407         ERR("Out of memory when trying to allocate a new context array\n");
 408         DestroyContext(This->wineD3DDevice, ctx);
 409         return NULL;
 410     }
 411     memcpy(newArray, This->context, sizeof(*newArray) * This->num_contexts);
 412     HeapFree(GetProcessHeap(), 0, This->context);
 413     newArray[This->num_contexts] = ctx;
 414     This->context = newArray;
 415     This->num_contexts++;
 416
 417     TRACE("Returning context %p\n", ctx);
 418     return ctx;
 419 }
 420
 421 void get_drawable_size_swapchain(IWineD3DSurfaceImpl *This, UINT *width, UINT *height) {
 422     /* The drawable size of an onscreen drawable is the surface size.
 423      * (Actually: The window size, but the surface is created in window size)
 424      */
 425     *width = This->currentDesc.Width;
 426     *height = This->currentDesc.Height;
 427 }