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  *
   8  *This library is free software; you can redistribute it and/or
   9  *modify it under the terms of the GNU Lesser General Public
  10  *License as published by the Free Software Foundation; either
  11  *version 2.1 of the License, or (at your option) any later version.
  12  *
  13  *This library is distributed in the hope that it will be useful,
  14  *but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *Lesser General Public License for more details.
  17  *
  18  *You should have received a copy of the GNU Lesser General Public
  19  *License along with this library; if not, write to the Free Software
  20  *Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "config.h"
  24 #include "wined3d_private.h"
  25
  26
  27 /* TODO: move to shared header (or context manager )*/
  28 /* x11drv GDI escapes */
  29 #define X11DRV_ESCAPE 6789
  30 enum x11drv_escape_codes
  31 {
  32     X11DRV_GET_DISPLAY,   /* get X11 display for a DC */
  33     X11DRV_GET_DRAWABLE,  /* get current drawable for a DC */
  34     X11DRV_GET_FONT,      /* get current X font for a DC */
  35 };
  36
  37 /* retrieve the X display to use on a given DC */
  38 inline static Display *get_display( HDC hdc )
  39 {
  40     Display *display;
  41     enum x11drv_escape_codes escape = X11DRV_GET_DISPLAY;
  42
  43     if (!ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPCSTR)&escape,
  44                     sizeof(display), (LPSTR)&display )) display = NULL;
  45     return display;
  46 }
  47
  48 /*TODO: some of the additional parameters may be required to
  49     set the gamma ramp (for some weird reason microsoft have left swap gammaramp in device
  50     but it operates on a swapchain, it may be a good idea to move it to IWineD3DSwapChain for IWineD3D)*/
  51
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  54 WINE_DECLARE_DEBUG_CHANNEL(d3d_fps);
  55
  56
  57 /* IDirect3DSwapChain IUnknown parts follow: */
  58 ULONG WINAPI IWineD3DSwapChainImpl_AddRef(IWineD3DSwapChain *iface) {
  59     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  60     DWORD refCount = InterlockedIncrement(&This->ref);
  61     TRACE("(%p) : AddRef increasing from %ld\n", This, refCount - 1);
  62     return refCount;
  63 }
  64
  65 HRESULT WINAPI IWineD3DSwapChainImpl_QueryInterface(IWineD3DSwapChain *iface, REFIID riid, LPVOID *ppobj)
  66 {
  67     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  68     TRACE("(%p)->(%s,%p) \n",This,debugstr_guid(riid),ppobj);
  69     if (IsEqualGUID(riid, &IID_IUnknown)
  70         || IsEqualGUID(riid, &IID_IWineD3DSwapChain)){
  71         IWineD3DSwapChainImpl_AddRef(iface);
  72         if(ppobj == NULL){
  73             ERR("Query interface called but now data allocated\n");
  74             return E_NOINTERFACE;
  75         }
  76         *ppobj = This;
  77         return D3D_OK;
  78     }
  79     return E_NOINTERFACE;
  80 }
  81
  82
  83 ULONG WINAPI IWineD3DSwapChainImpl_Release(IWineD3DSwapChain *iface) {
  84     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
  85     DWORD refCount;
  86     refCount = InterlockedDecrement(&This->ref);
  87     TRACE("(%p) : ReleaseRef to %ld\n", This, refCount);
  88     if (refCount == 0) {
  89         IUnknown* bufferParent;
  90
  91         /* tell the device that we've been released */
  92         IWineD3DDevice_SwapChainReleased((IWineD3DDevice *)This->wineD3DDevice, iface);
  93
  94         /* release the ref to the front and back buffer parents */
  95         IWineD3DSurface_GetParent(This->frontBuffer, &bufferParent);
  96         IUnknown_Release(bufferParent); /* once for the get parent */
  97         if(IUnknown_Release(bufferParent) > 0){
  98             FIXME("(%p) Something's still holding the front buffer\n",This);
  99         }
 100
 101         IWineD3DSurface_GetParent(This->backBuffer, &bufferParent);
 102         IUnknown_Release(bufferParent); /* once for the get parent */
 103         if(IUnknown_Release(bufferParent) > 0){
 104             FIXME("(%p) Something's still holding the back buffer\n",This);
 105         }
 106         /* Clean up the context */
 107         /* check that we are the current context first */
 108         if(glXGetCurrentContext() == This->glCtx){
 109             glXMakeCurrent(This->display, None, NULL);
 110         }
 111         glXDestroyContext(This->display, This->glCtx);
 112         /* IUnknown_Release(This->parent); This should only apply to the primary swapchain,
 113          all others are crated by the caller, so releasing the parent should cause
 114          the child to be released, not the other way around!
 115          */
 116         HeapFree(GetProcessHeap(), 0, This);
 117     }
 118     return refCount;
 119 }
 120
 121 HRESULT WINAPI IWineD3DSwapChainImpl_GetParent(IWineD3DSwapChain *iface, IUnknown ** ppParent){
 122     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 123     *ppParent = This->parent;
 124     IUnknown_AddRef(*ppParent);
 125     TRACE("(%p) returning %p\n", This , *ppParent);
 126     return D3D_OK;
 127 }
 128
 129 /*IWineD3DSwapChain parts follow: */
 130 HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) {
 131     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 132
 133     ENTER_GL();
 134
 135     if (pSourceRect || pDestRect) FIXME("Unhandled present options %p/%p\n", pSourceRect, pDestRect);
 136     /* TODO: If only source rect or dest rect are supplied then clip the window to match */
 137     TRACE("preseting display %p, drawable %ld\n", This->display, This->drawable);
 138
 139     /* Don't call checkGLcall, as glGetError is not applicable here */
 140     if (hDestWindowOverride && This->win_handle != hDestWindowOverride) {
 141         /* Set this swapchain up to point to the new destination.. */
 142 #ifdef USE_CONTEXT_MANAGER
 143             /* TODO: use a context mamager */
 144 #endif
 145
 146             /* FIXME: Never access */
 147             IWineD3DSwapChainImpl *swapChainImpl;
 148             IWineD3DDevice_GetSwapChain((IWineD3DDevice *)This->wineD3DDevice, 0 , (IWineD3DSwapChain **)&swapChainImpl);
 149             FIXME("Unable to render to a destination window %p\n", hDestWindowOverride );
 150             if(This == swapChainImpl){
 151                 /* FIXME: this will be fixed by moving to a context management system */
 152                 FIXME("Cannot change the target of the implicit swapchain\n");
 153             }else{
 154                 HDC               hDc;
 155                 XVisualInfo       template;
 156                 int               num;
 157                 Display          *oldDisplay = This->display;
 158                 GLXContext        oldContext = This->glCtx;
 159                 IUnknown*         tmp;
 160                 GLXContext        currentContext;
 161                 Drawable          currentDrawable;
 162                 hDc                          = GetDC(hDestWindowOverride);
 163                 This->win_handle             = hDestWindowOverride;
 164                 This->win                    = (Window)GetPropA( hDestWindowOverride, "__wine_x11_whole_window" );
 165
 166                 TRACE("Creating a new context for the window %p \n", hDestWindowOverride);
 167                 ENTER_GL();
 168                 TRACE("Desctroying context %p %p\n", This->display, This->render_ctx);
 169
 170
 171
 172                 LEAVE_GL();
 173                 ENTER_GL();
 174
 175                 This->display    = get_display(hDc);
 176                 TRACE("Got display%p  for  %p %p\n",  This->display, hDc, hDestWindowOverride);
 177                 ReleaseDC(hDestWindowOverride, hDc);
 178                 template.visualid = (VisualID)GetPropA(GetDesktopWindow(), "__wine_x11_visual_id");
 179                 This->visInfo   = XGetVisualInfo(This->display, VisualIDMask, &template, &num);
 180                 if (NULL == This->visInfo) {
 181                     ERR("cannot really get XVisual\n");
 182                     LEAVE_GL();
 183                     return D3DERR_NOTAVAILABLE;
 184                 }
 185                 /* Now we have problems? well not really we just need to know what the implicit context is */
 186                 /* now destroy the old context and create a new one (we should really copy the buffers over, and do the whole make current thing! */
 187                 /* destroy the active context?*/
 188                 TRACE("Creating new context for %p %p %p\n",This->display, This->visInfo, swapChainImpl->glCtx);
 189                 This->glCtx = glXCreateContext(This->display, This->visInfo, swapChainImpl->glCtx, GL_TRUE);
 190
 191                 if (NULL == This->glCtx) {
 192                     ERR("cannot create glxContext\n");
 193                 }
 194                 This->drawable     = This->win;
 195                 This->render_ctx   = This->glCtx;
 196                 /* Setup some default states TODO: apply the stateblock to the new context */
 197                 /** save current context and drawable **/
 198                 currentContext  =   glXGetCurrentContext();
 199                 currentDrawable =   glXGetCurrentDrawable();
 200
 201                 if (glXMakeCurrent(This->display, This->win, This->glCtx) == False) {
 202                     ERR("Error in setting current context (display %p context %p drawable %ld)!\n", This->display, This->glCtx, This->win);
 203                 }
 204
 205                 checkGLcall("glXMakeCurrent");
 206
 207                 /* Clear the screen */
 208                 glClearColor(0.0, 0.0, 0.0, 0.0);
 209                 checkGLcall("glClearColor");
 210                 glClearIndex(0);
 211                 glClearDepth(1);
 212                 glClearStencil(0);
 213
 214                 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ACCUM_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
 215                 checkGLcall("glClear");
 216
 217                 glColor3f(1.0, 1.0, 1.0);
 218                 checkGLcall("glColor3f");
 219
 220                 glEnable(GL_LIGHTING);
 221                 checkGLcall("glEnable");
 222
 223                 glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
 224                 checkGLcall("glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);");
 225
 226                 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
 227                 checkGLcall("glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);");
 228
 229                 glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
 230                 checkGLcall("glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);");
 231
 232                 /* If this swapchain is currently the active context then make this swapchain active */
 233                 if(IWineD3DSurface_GetContainer(This->wineD3DDevice->renderTarget, &IID_IWineD3DSwapChain, (void **)&tmp) == D3D_OK){
 234                     if(tmp != (IUnknown *)This){
 235                         glXMakeCurrent(This->display, currentDrawable, currentContext);
 236                         checkGLcall("glXMakeCurrent");
 237                     }
 238                     IUnknown_Release(tmp);
 239                 }else{
 240                     /* reset the context */
 241                     glXMakeCurrent(This->display, currentDrawable, currentContext);
 242                     checkGLcall("glXMakeCurrent");
 243                 }
 244                 /* delete the old contxt*/
 245                 glXDestroyContext(oldDisplay, oldContext); /* Should this happen on an active context? seems a bad idea */
 246                 LEAVE_GL();
 247             }
 248             IWineD3DSwapChain_Release((IWineD3DSwapChain *)swapChainImpl);
 249
 250         }
 251
 252
 253         /* TODO: The slow way, save the data to memory, create a new context for the destination window, transfer the data cleanup, it may be a good idea to the move this swapchain over to the using the target winows context so that it runs faster in feature. */
 254
 255     glXSwapBuffers(This->display, This->drawable); /* TODO: cycle through the swapchain buffers */
 256
 257     TRACE("glXSwapBuffers called, Starting new frame\n");
 258     /* FPS support */
 259     if (TRACE_ON(d3d_fps))
 260     {
 261         static long prev_time, frames;
 262
 263         DWORD time = GetTickCount();
 264         frames++;
 265         /* every 1.5 seconds */
 266         if (time - prev_time > 1500) {
 267             TRACE_(d3d_fps)("@ approx %.2ffps\n", 1000.0*frames/(time - prev_time));
 268             prev_time = time;
 269             frames = 0;
 270         }
 271     }
 272
 273 #if defined(FRAME_DEBUGGING)
 274 {
 275     if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
 276         if (!isOn) {
 277             isOn = TRUE;
 278             FIXME("Enabling D3D Trace\n");
 279             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
 280 #if defined(SHOW_FRAME_MAKEUP)
 281             FIXME("Singe Frame snapshots Starting\n");
 282             isDumpingFrames = TRUE;
 283             glClear(GL_COLOR_BUFFER_BIT);
 284 #endif
 285
 286 #if defined(SINGLE_FRAME_DEBUGGING)
 287         } else {
 288 #if defined(SHOW_FRAME_MAKEUP)
 289             FIXME("Singe Frame snapshots Finishing\n");
 290             isDumpingFrames = FALSE;
 291 #endif
 292             FIXME("Singe Frame trace complete\n");
 293             DeleteFileA("C:\\D3DTRACE");
 294             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 295 #endif
 296         }
 297     } else {
 298         if (isOn) {
 299             isOn = FALSE;
 300 #if defined(SHOW_FRAME_MAKEUP)
 301             FIXME("Single Frame snapshots Finishing\n");
 302             isDumpingFrames = FALSE;
 303 #endif
 304             FIXME("Disabling D3D Trace\n");
 305             __WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
 306         }
 307     }
 308 }
 309 #endif
 310
 311     LEAVE_GL();
 312     /* Although this is not strictly required, a simple demo showed this does occur
 313        on (at least non-debug) d3d                                                  */
 314     if (This->presentParms.SwapEffect & D3DSWAPEFFECT_DISCARD) {
 315
 316         TRACE("Clearing\n");
 317
 318        IWineD3DDevice_Clear((IWineD3DDevice*)This->wineD3DDevice, 0, NULL, D3DCLEAR_STENCIL|D3DCLEAR_ZBUFFER|D3DCLEAR_TARGET, 0x00, 1.0, 0);
 319
 320     }
 321         TRACE("returning\n");
 322     return D3D_OK;
 323 }
 324
 325 HRESULT WINAPI IWineD3DSwapChainImpl_GetFrontBufferData(IWineD3DSwapChain *iface, IWineD3DSurface *pDestSurface) {
 326     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 327     WINED3DFORMAT d3dformat;
 328     UINT width;
 329     UINT height;
 330     WINED3DSURFACE_DESC desc;
 331     glDescriptor *glDescription;
 332
 333     TRACE("(%p) : iface(%p) pDestSurface(%p) \n", This, iface, pDestSurface);
 334     ENTER_GL();
 335     desc.Width =  &width;
 336     desc.Height = &height;
 337     desc.Format = &d3dformat;
 338 #if 0 /* TODO: make sure that this swapchains context is active */
 339     IWineD3DDevice_ActivateSwapChainContext(This->wineD3DDevice, iface);
 340 #endif
 341     IWineD3DSurface_GetDesc(pDestSurface, &desc);
 342     /* make sure that the front buffer is the active read buffer */
 343     glReadBuffer(GL_FRONT);
 344     /* Read the pixels from the buffer into the surfaces memory */
 345     IWineD3DSurface_GetGlDesc(pDestSurface, &glDescription);
 346     glReadPixels(glDescription->target,
 347                 glDescription->level,
 348                 width,
 349                 height,
 350                 glDescription->glFormat,
 351                 glDescription->glType,
 352                 (void *)IWineD3DSurface_GetData(pDestSurface));
 353     LEAVE_GL();
 354     return D3D_OK;
 355 }
 356
 357 HRESULT WINAPI IWineD3DSwapChainImpl_GetBackBuffer(IWineD3DSwapChain *iface, UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, IWineD3DSurface **ppBackBuffer) {
 358
 359     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 360
 361     *ppBackBuffer = This->backBuffer;
 362     TRACE("(%p) : BackBuf %d Type %d  returning %p\n", This, iBackBuffer, Type, *ppBackBuffer);
 363
 364     if (iBackBuffer > This->presentParms.BackBufferCount - 1) {
 365         FIXME("Only one backBuffer currently supported\n");
 366         return D3DERR_INVALIDCALL;
 367     }
 368
 369     /* Note inc ref on returned surface */
 370     IWineD3DSurface_AddRef(*ppBackBuffer);
 371     return D3D_OK;
 372
 373 }
 374
 375 HRESULT WINAPI IWineD3DSwapChainImpl_GetRasterStatus(IWineD3DSwapChain *iface, D3DRASTER_STATUS*pRasterStatus) {
 376     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 377     static BOOL showFixmes = TRUE;
 378     pRasterStatus->InVBlank = TRUE;
 379     pRasterStatus->ScanLine = 0;
 380     /* No openGL equivalent */
 381     if(showFixmes) {
 382         FIXME("(%p) : stub (once)\n", This);
 383         showFixmes = FALSE;
 384     }
 385     return D3D_OK;
 386 }
 387
 388 HRESULT WINAPI IWineD3DSwapChainImpl_GetDisplayMode(IWineD3DSwapChain *iface, D3DDISPLAYMODE*pMode) {
 389     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 390     HDC                 hdc;
 391     int                 bpp = 0;
 392
 393     pMode->Width        = GetSystemMetrics(SM_CXSCREEN);
 394     pMode->Height       = GetSystemMetrics(SM_CYSCREEN);
 395     pMode->RefreshRate  = 85; /* FIXME: How to identify? */
 396
 397     hdc = CreateDCA("DISPLAY", NULL, NULL, NULL);
 398     bpp = GetDeviceCaps(hdc, BITSPIXEL);
 399     DeleteDC(hdc);
 400
 401     switch (bpp) {
 402     case  8: pMode->Format       = D3DFMT_R8G8B8; break;
 403     case 16: pMode->Format       = D3DFMT_R5G6B5; break;
 404     case 24: /*pMode->Format       = D3DFMT_R8G8B8; break; */ /* 32bpp and 24bpp can be aliased for X */
 405     case 32: pMode->Format       = D3DFMT_A8R8G8B8; break;
 406     default:
 407        FIXME("Unrecognized display mode format\n");
 408        pMode->Format       = D3DFMT_UNKNOWN;
 409     }
 410
 411     TRACE("(%p) : returning w(%d) h(%d) rr(%d) fmt(%u,%s)\n", This, pMode->Width, pMode->Height, pMode->RefreshRate,
 412     pMode->Format, debug_d3dformat(pMode->Format));
 413     return D3D_OK;
 414 }
 415
 416 HRESULT WINAPI IWineD3DSwapChainImpl_GetDevice(IWineD3DSwapChain *iface, IWineD3DDevice**ppDevice) {
 417     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 418
 419     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
 420
 421     /* Note  Calling this method will increase the internal reference count
 422        on the IDirect3DDevice9 interface. */
 423     IWineD3DDevice_AddRef(*ppDevice);
 424     TRACE("(%p) : returning %p\n", This, *ppDevice);
 425     return D3D_OK;
 426 }
 427
 428 HRESULT WINAPI IWineD3DSwapChainImpl_GetPresentParameters(IWineD3DSwapChain *iface, D3DPRESENT_PARAMETERS *pPresentationParameters) {
 429     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 430     FIXME("(%p) : copy\n", This);
 431     memcpy(pPresentationParameters, &This->presentParms, sizeof(D3DPRESENT_PARAMETERS));
 432     return D3D_OK;
 433 }
 434
 435 HRESULT WINAPI IWineD3DSwapChainImpl_SetGammaRamp(IWineD3DSwapChain *iface, DWORD Flags, CONST D3DGAMMARAMP *pRamp){
 436
 437     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 438     HDC hDC;
 439     TRACE("(%p) : pRamp@%p flags(%ld) \n", This, pRamp, Flags);
 440     hDC = GetDC(This->win_handle);
 441     SetDeviceGammaRamp(hDC, (LPVOID)pRamp);
 442     ReleaseDC(This->win_handle, hDC);
 443     return D3D_OK;
 444
 445 }
 446
 447 HRESULT WINAPI IWineD3DSwapChainImpl_GetGammaRamp(IWineD3DSwapChain *iface, D3DGAMMARAMP *pRamp){
 448
 449     IWineD3DSwapChainImpl *This = (IWineD3DSwapChainImpl *)iface;
 450     HDC hDC;
 451     TRACE("(%p) : pRamp@%p\n", This, pRamp);
 452     hDC = GetDC(This->win_handle);
 453     GetDeviceGammaRamp(hDC, pRamp);
 454     ReleaseDC(This->win_handle, hDC);
 455     return D3D_OK;
 456
 457 }
 458
 459
 460 IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
 461 {
 462     /* IUnknown */
 463     IWineD3DSwapChainImpl_QueryInterface,
 464     IWineD3DSwapChainImpl_AddRef,
 465     IWineD3DSwapChainImpl_Release,
 466     /* IWineD3DSwapChain */
 467     IWineD3DSwapChainImpl_GetParent,
 468     IWineD3DSwapChainImpl_GetDevice,
 469     IWineD3DSwapChainImpl_Present,
 470     IWineD3DSwapChainImpl_GetFrontBufferData,
 471     IWineD3DSwapChainImpl_GetBackBuffer,
 472     IWineD3DSwapChainImpl_GetRasterStatus,
 473     IWineD3DSwapChainImpl_GetDisplayMode,
 474     IWineD3DSwapChainImpl_GetPresentParameters,
 475     IWineD3DSwapChainImpl_SetGammaRamp,
 476     IWineD3DSwapChainImpl_GetGammaRamp
 477 };