dll/directx/wine/d3dx9_36/surface.c

   1 /*
   2  * Copyright (C) 2009 Tony Wasserka
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  *
  18  */
  19
  20 #include <wine/debug.h>
  21 //#include "wine/unicode.h"
  22 #include "d3dx9_36_private.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
  25
  26
  27 /************************************************************
  28  * D3DXGetImageInfoFromFileInMemory
  29  *
  30  * Fills a D3DXIMAGE_INFO structure with info about an image
  31  *
  32  * PARAMS
  33  *   data     [I] pointer to the image file data
  34  *   datasize [I] size of the passed data
  35  *   info     [O] pointer to the destination structure
  36  *
  37  * RETURNS
  38  *   Success: D3D_OK, if info is not NULL and data and datasize make up a valid image file or
  39  *                    if info is NULL and data and datasize are not NULL
  40  *   Failure: D3DXERR_INVALIDDATA, if data is no valid image file and datasize and info are not NULL
  41  *            D3DERR_INVALIDCALL, if data is NULL or
  42  *                                if datasize is 0
  43  *
  44  * NOTES
  45  *   datasize may be bigger than the actual file size
  46  *
  47  */
  48 HRESULT WINAPI D3DXGetImageInfoFromFileInMemory(LPCVOID data, UINT datasize, D3DXIMAGE_INFO *info)
  49 {
  50     FIXME("(%p, %d, %p): stub\n", data, datasize, info);
  51
  52     if(data && datasize && !info) return D3D_OK;
  53     if( !data || !datasize ) return D3DERR_INVALIDCALL;
  54
  55     return E_NOTIMPL;
  56 }
  57
  58 /************************************************************
  59  * D3DXGetImageInfoFromFile
  60  *
  61  * RETURNS
  62  *   Success: D3D_OK, if we successfully load a valid image file or
  63  *                    if we successfully load a file which is no valid image and info is NULL
  64  *   Failure: D3DXERR_INVALIDDATA, if we fail to load file or
  65  *                                 if file is not a valid image file and info is not NULL
  66  *            D3DERR_INVALIDCALL, if file is NULL
  67  *
  68  */
  69 HRESULT WINAPI D3DXGetImageInfoFromFileA(LPCSTR file, D3DXIMAGE_INFO *info)
  70 {
  71     LPWSTR widename;
  72     HRESULT hr;
  73     int strlength;
  74     TRACE("(void): relay\n");
  75
  76     if( !file ) return D3DERR_INVALIDCALL;
  77
  78     strlength = MultiByteToWideChar(CP_ACP, 0, file, -1, NULL, 0);
  79     widename = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlength * sizeof(WCHAR));
  80     MultiByteToWideChar(CP_ACP, 0, file, -1, widename, strlength);
  81
  82     hr = D3DXGetImageInfoFromFileW(widename, info);
  83     HeapFree(GetProcessHeap(), 0, widename);
  84
  85     return hr;
  86 }
  87
  88 HRESULT WINAPI D3DXGetImageInfoFromFileW(LPCWSTR file, D3DXIMAGE_INFO *info)
  89 {
  90     HRESULT hr;
  91     DWORD size;
  92     LPVOID buffer;
  93     TRACE("(void): relay\n");
  94
  95     if( !file ) return D3DERR_INVALIDCALL;
  96
  97     hr = map_view_of_file(file, &buffer, &size);
  98     if(FAILED(hr)) return D3DXERR_INVALIDDATA;
  99
 100     hr = D3DXGetImageInfoFromFileInMemory(buffer, size, info);
 101     UnmapViewOfFile(buffer);
 102
 103     return hr;
 104 }
 105
 106 /************************************************************
 107  * D3DXGetImageInfoFromResource
 108  *
 109  * RETURNS
 110  *   Success: D3D_OK, if resource is a valid image file
 111  *   Failure: D3DXERR_INVALIDDATA, if resource is no valid image file or NULL or
 112  *                                 if we fail to load resource
 113  *
 114  */
 115 HRESULT WINAPI D3DXGetImageInfoFromResourceA(HMODULE module, LPCSTR resource, D3DXIMAGE_INFO *info)
 116 {
 117     HRSRC resinfo;
 118     TRACE("(void)\n");
 119
 120     resinfo = FindResourceA(module, resource, (LPCSTR)RT_RCDATA);
 121     if(resinfo) {
 122         LPVOID buffer;
 123         HRESULT hr;
 124         DWORD size;
 125
 126         hr = load_resource_into_memory(module, resinfo, &buffer, &size);
 127         if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 128         return D3DXGetImageInfoFromFileInMemory(buffer, size, info);
 129     }
 130
 131     resinfo = FindResourceA(module, resource, (LPCSTR)RT_BITMAP);
 132     if(resinfo) {
 133         FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
 134         return E_NOTIMPL;
 135     }
 136     return D3DXERR_INVALIDDATA;
 137 }
 138
 139 HRESULT WINAPI D3DXGetImageInfoFromResourceW(HMODULE module, LPCWSTR resource, D3DXIMAGE_INFO *info)
 140 {
 141     HRSRC resinfo;
 142     TRACE("(void)\n");
 143
 144     resinfo = FindResourceW(module, resource, (LPCWSTR)RT_RCDATA);
 145     if(resinfo) {
 146         LPVOID buffer;
 147         HRESULT hr;
 148         DWORD size;
 149
 150         hr = load_resource_into_memory(module, resinfo, &buffer, &size);
 151         if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 152         return D3DXGetImageInfoFromFileInMemory(buffer, size, info);
 153     }
 154
 155     resinfo = FindResourceW(module, resource, (LPCWSTR)RT_BITMAP);
 156     if(resinfo) {
 157         FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
 158         return E_NOTIMPL;
 159     }
 160     return D3DXERR_INVALIDDATA;
 161 }
 162
 163 /************************************************************
 164  * D3DXLoadSurfaceFromFileInMemory
 165  *
 166  * Loads data from a given buffer into a surface and fills a given
 167  * D3DXIMAGE_INFO structure with info about the source data.
 168  *
 169  * PARAMS
 170  *   pDestSurface [I] pointer to the surface
 171  *   pDestPalette [I] palette to use
 172  *   pDestRect    [I] to be filled area of the surface
 173  *   pSrcData     [I] pointer to the source data
 174  *   SrcDataSize  [I] size of the source data in bytes
 175  *   pSrcRect     [I] area of the source data to load
 176  *   dwFilter     [I] filter to apply on stretching
 177  *   Colorkey     [I] colorkey
 178  *   pSrcInfo     [O] pointer to a D3DXIMAGE_INFO structure
 179  *
 180  * RETURNS
 181  *   Success: D3D_OK
 182  *   Failure: D3DERR_INVALIDCALL, if pDestSurface or pSrcData or SrcDataSize are NULL
 183  *            D3DXERR_INVALIDDATA, if pSrcData is no valid image file
 184  *
 185  */
 186 HRESULT WINAPI D3DXLoadSurfaceFromFileInMemory(LPDIRECT3DSURFACE9 pDestSurface,
 187                                                CONST PALETTEENTRY *pDestPalette,
 188                                                CONST RECT *pDestRect,
 189                                                LPCVOID pSrcData,
 190                                                UINT SrcDataSize,
 191                                                CONST RECT *pSrcRect,
 192                                                DWORD dwFilter,
 193                                                D3DCOLOR Colorkey,
 194                                                D3DXIMAGE_INFO *pSrcInfo)
 195 {
 196     FIXME("(%p, %p, %p, %p, %d, %p, %d, %x, %p): stub\n", pDestSurface, pDestPalette,
 197         pDestRect, pSrcData, SrcDataSize, pSrcRect, dwFilter, Colorkey, pSrcInfo);
 198
 199     if( !pDestSurface || !pSrcData | !SrcDataSize ) return D3DERR_INVALIDCALL;
 200     return E_NOTIMPL;
 201 }
 202
 203 /************************************************************
 204  * D3DXLoadSurfaceFromFile
 205  */
 206 HRESULT WINAPI D3DXLoadSurfaceFromFileA(LPDIRECT3DSURFACE9 pDestSurface,
 207                                         CONST PALETTEENTRY *pDestPalette,
 208                                         CONST RECT *pDestRect,
 209                                         LPCSTR pSrcFile,
 210                                         CONST RECT *pSrcRect,
 211                                         DWORD dwFilter,
 212                                         D3DCOLOR Colorkey,
 213                                         D3DXIMAGE_INFO *pSrcInfo)
 214 {
 215     LPWSTR pWidename;
 216     HRESULT hr;
 217     int strlength;
 218     TRACE("(void): relay\n");
 219
 220     if( !pSrcFile || !pDestSurface ) return D3DERR_INVALIDCALL;
 221
 222     strlength = MultiByteToWideChar(CP_ACP, 0, pSrcFile, -1, NULL, 0);
 223     pWidename = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlength * sizeof(WCHAR));
 224     MultiByteToWideChar(CP_ACP, 0, pSrcFile, -1, pWidename, strlength);
 225
 226     hr = D3DXLoadSurfaceFromFileW(pDestSurface, pDestPalette, pDestRect, pWidename, pSrcRect, dwFilter, Colorkey, pSrcInfo);
 227     HeapFree(GetProcessHeap(), 0, pWidename);
 228
 229     return hr;
 230 }
 231
 232 HRESULT WINAPI D3DXLoadSurfaceFromFileW(LPDIRECT3DSURFACE9 pDestSurface,
 233                                         CONST PALETTEENTRY *pDestPalette,
 234                                         CONST RECT *pDestRect,
 235                                         LPCWSTR pSrcFile,
 236                                         CONST RECT *pSrcRect,
 237                                         DWORD Filter,
 238                                         D3DCOLOR Colorkey,
 239                                         D3DXIMAGE_INFO *pSrcInfo)
 240 {
 241     HRESULT hr;
 242     DWORD dwSize;
 243     LPVOID pBuffer;
 244     TRACE("(void): relay\n");
 245
 246     if( !pSrcFile || !pDestSurface ) return D3DERR_INVALIDCALL;
 247
 248     hr = map_view_of_file(pSrcFile, &pBuffer, &dwSize);
 249     if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 250
 251     hr = D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, Filter, Colorkey, pSrcInfo);
 252     UnmapViewOfFile(pBuffer);
 253
 254     return hr;
 255 }
 256
 257 /************************************************************
 258  * D3DXLoadSurfaceFromResource
 259  */
 260 HRESULT WINAPI D3DXLoadSurfaceFromResourceA(LPDIRECT3DSURFACE9 pDestSurface,
 261                                             CONST PALETTEENTRY *pDestPalette,
 262                                             CONST RECT *pDestRect,
 263                                             HMODULE hSrcModule,
 264                                             LPCSTR pResource,
 265                                             CONST RECT *pSrcRect,
 266                                             DWORD dwFilter,
 267                                             D3DCOLOR Colorkey,
 268                                             D3DXIMAGE_INFO *pSrcInfo)
 269 {
 270     HRSRC hResInfo;
 271     TRACE("(void): relay\n");
 272
 273     if( !pDestSurface ) return D3DERR_INVALIDCALL;
 274
 275     hResInfo = FindResourceA(hSrcModule, pResource, (LPCSTR)RT_RCDATA);
 276     if(hResInfo) {
 277         LPVOID pBuffer;
 278         HRESULT hr;
 279         DWORD dwSize;
 280
 281         hr = load_resource_into_memory(hSrcModule, hResInfo, &pBuffer, &dwSize);
 282         if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 283         return D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, dwFilter, Colorkey, pSrcInfo);
 284     }
 285
 286     hResInfo = FindResourceA(hSrcModule, pResource, (LPCSTR)RT_BITMAP);
 287     if(hResInfo) {
 288         FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
 289         return E_NOTIMPL;
 290     }
 291     return D3DXERR_INVALIDDATA;
 292 }
 293
 294 HRESULT WINAPI D3DXLoadSurfaceFromResourceW(LPDIRECT3DSURFACE9 pDestSurface,
 295                                             CONST PALETTEENTRY *pDestPalette,
 296                                             CONST RECT *pDestRect,
 297                                             HMODULE hSrcModule,
 298                                             LPCWSTR pResource,
 299                                             CONST RECT *pSrcRect,
 300                                             DWORD dwFilter,
 301                                             D3DCOLOR Colorkey,
 302                                             D3DXIMAGE_INFO *pSrcInfo)
 303 {
 304     HRSRC hResInfo;
 305     TRACE("(void): relay\n");
 306
 307     if( !pDestSurface ) return D3DERR_INVALIDCALL;
 308
 309     hResInfo = FindResourceW(hSrcModule, pResource, (LPCWSTR)RT_RCDATA);
 310     if(hResInfo) {
 311         LPVOID pBuffer;
 312         HRESULT hr;
 313         DWORD dwSize;
 314
 315         hr = load_resource_into_memory(hSrcModule, hResInfo, &pBuffer, &dwSize);
 316         if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 317         return D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, dwFilter, Colorkey, pSrcInfo);
 318     }
 319
 320     hResInfo = FindResourceW(hSrcModule, pResource, (LPCWSTR)RT_BITMAP);
 321     if(hResInfo) {
 322         FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
 323         return E_NOTIMPL;
 324     }
 325     return D3DXERR_INVALIDDATA;
 326 }
 327
 328
 329 /************************************************************
 330  * copy_simple_data
 331  *
 332  * Copies the source buffer to the destination buffer, performing
 333  * any necessary format conversion and color keying.
 334  * Works only for ARGB formats with 1 - 4 bytes per pixel.
 335  */
 336 static void copy_simple_data(CONST BYTE *src,  UINT  srcpitch, POINT  srcsize, CONST PixelFormatDesc  *srcformat,
 337                              CONST BYTE *dest, UINT destpitch, POINT destsize, CONST PixelFormatDesc *destformat,
 338                              DWORD dwFilter)
 339 {
 340     DWORD srcshift[4], destshift[4];
 341     DWORD srcmask[4], destmask[4];
 342     BOOL process_channel[4];
 343     DWORD channels[4];
 344     DWORD channelmask = 0;
 345
 346     UINT minwidth, minheight;
 347     BYTE *srcptr, *destptr;
 348     UINT i, x, y;
 349
 350     ZeroMemory(channels, sizeof(channels));
 351     ZeroMemory(process_channel, sizeof(process_channel));
 352
 353     for(i = 0;i < 4;i++) {
 354         /* srcshift is used to extract the _relevant_ components */
 355         srcshift[i]  =  srcformat->shift[i] + max( srcformat->bits[i] - destformat->bits[i], 0);
 356
 357         /* destshift is used to move the components to the correct position */
 358         destshift[i] = destformat->shift[i] + max(destformat->bits[i] -  srcformat->bits[i], 0);
 359
 360         srcmask[i]  = ((1 <<  srcformat->bits[i]) - 1) <<  srcformat->shift[i];
 361         destmask[i] = ((1 << destformat->bits[i]) - 1) << destformat->shift[i];
 362
 363         /* channelmask specifies bits which aren't used in the source format but in the destination one */
 364         if(destformat->bits[i]) {
 365             if(srcformat->bits[i]) process_channel[i] = TRUE;
 366             else channelmask |= destmask[i];
 367         }
 368     }
 369
 370     minwidth  = (srcsize.x < destsize.x) ? srcsize.x : destsize.x;
 371     minheight = (srcsize.y < destsize.y) ? srcsize.y : destsize.y;
 372
 373     for(y = 0;y < minheight;y++) {
 374         srcptr  = (BYTE*)( src + y *  srcpitch);
 375         destptr = (BYTE*)(dest + y * destpitch);
 376         for(x = 0;x < minwidth;x++) {
 377             /* extract source color components */
 378             if(srcformat->type == FORMAT_ARGB) {
 379                 const DWORD col = *(DWORD*)srcptr;
 380                 for(i = 0;i < 4;i++)
 381                     if(process_channel[i])
 382                         channels[i] = (col & srcmask[i]) >> srcshift[i];
 383             }
 384
 385             /* recombine the components */
 386             if(destformat->type == FORMAT_ARGB) {
 387                 DWORD* const pixel = (DWORD*)destptr;
 388                 *pixel = 0;
 389
 390                 for(i = 0;i < 4;i++) {
 391                     if(process_channel[i]) {
 392                         /* necessary to make sure that e.g. an X4R4G4B4 white maps to an R8G8B8 white instead of 0xf0f0f0 */
 393                         signed int shift;
 394                         for(shift = destshift[i]; shift > destformat->shift[i]; shift -= srcformat->bits[i]) *pixel |= channels[i] << shift;
 395                         *pixel |= (channels[i] >> (destformat->shift[i] - shift)) << destformat->shift[i];
 396                     }
 397                 }
 398                 *pixel |= channelmask;   /* new channels are set to their maximal value */
 399             }
 400             srcptr  +=  srcformat->bytes_per_pixel;
 401             destptr += destformat->bytes_per_pixel;
 402         }
 403     }
 404 }
 405
 406 /************************************************************
 407  * D3DXLoadSurfaceFromMemory
 408  *
 409  * Loads data from a given memory chunk into a surface,
 410  * applying any of the specified filters.
 411  *
 412  * PARAMS
 413  *   pDestSurface [I] pointer to the surface
 414  *   pDestPalette [I] palette to use
 415  *   pDestRect    [I] to be filled area of the surface
 416  *   pSrcMemory   [I] pointer to the source data
 417  *   SrcFormat    [I] format of the source pixel data
 418  *   SrcPitch     [I] number of bytes in a row
 419  *   pSrcPalette  [I] palette used in the source image
 420  *   pSrcRect     [I] area of the source data to load
 421  *   dwFilter     [I] filter to apply on stretching
 422  *   Colorkey     [I] colorkey
 423  *
 424  * RETURNS
 425  *   Success: D3D_OK, if we successfully load the pixel data into our surface or
 426  *                    if pSrcMemory is NULL but the other parameters are valid
 427  *   Failure: D3DERR_INVALIDCALL, if pDestSurface, SrcPitch or pSrcRect are NULL or
 428  *                                if SrcFormat is an invalid format (other than D3DFMT_UNKNOWN)
 429  *            D3DXERR_INVALIDDATA, if we fail to lock pDestSurface
 430  *            E_FAIL, if SrcFormat is D3DFMT_UNKNOWN or the dimensions of pSrcRect are invalid
 431  *
 432  * NOTES
 433  *   pSrcRect specifies the dimensions of the source data;
 434  *   negative values for pSrcRect are allowed as we're only looking at the width and height anyway.
 435  *
 436  */
 437 HRESULT WINAPI D3DXLoadSurfaceFromMemory(LPDIRECT3DSURFACE9 pDestSurface,
 438                                          CONST PALETTEENTRY *pDestPalette,
 439                                          CONST RECT *pDestRect,
 440                                          LPCVOID pSrcMemory,
 441                                          D3DFORMAT SrcFormat,
 442                                          UINT SrcPitch,
 443                                          CONST PALETTEENTRY *pSrcPalette,
 444                                          CONST RECT *pSrcRect,
 445                                          DWORD dwFilter,
 446                                          D3DCOLOR Colorkey)
 447 {
 448     CONST PixelFormatDesc *srcformatdesc, *destformatdesc;
 449     D3DSURFACE_DESC surfdesc;
 450     D3DLOCKED_RECT lockrect;
 451     POINT srcsize, destsize;
 452     HRESULT hr;
 453     TRACE("(void)\n");
 454
 455     if( !pDestSurface || !pSrcMemory || !pSrcRect ) return D3DERR_INVALIDCALL;
 456     if(SrcFormat == D3DFMT_UNKNOWN || pSrcRect->left >= pSrcRect->right || pSrcRect->top >= pSrcRect->bottom) return E_FAIL;
 457
 458     if(dwFilter != D3DX_FILTER_NONE) return E_NOTIMPL;
 459
 460     IDirect3DSurface9_GetDesc(pDestSurface, &surfdesc);
 461
 462     srcformatdesc = get_format_info(SrcFormat);
 463     destformatdesc = get_format_info(surfdesc.Format);
 464     if( srcformatdesc->type == FORMAT_UNKNOWN ||  srcformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;
 465     if(destformatdesc->type == FORMAT_UNKNOWN || destformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;
 466
 467     srcsize.x = pSrcRect->right - pSrcRect->left;
 468     srcsize.y = pSrcRect->bottom - pSrcRect->top;
 469     if( !pDestRect ) {
 470         destsize.x = surfdesc.Width;
 471         destsize.y = surfdesc.Height;
 472     } else {
 473         destsize.x = pDestRect->right - pDestRect->left;
 474         destsize.y = pDestRect->bottom - pDestRect->top;
 475     }
 476
 477     hr = IDirect3DSurface9_LockRect(pDestSurface, &lockrect, pDestRect, 0);
 478     if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 479
 480     copy_simple_data((CONST BYTE*)pSrcMemory, SrcPitch, srcsize, srcformatdesc,
 481                      (CONST BYTE*)lockrect.pBits, lockrect.Pitch, destsize, destformatdesc,
 482                      dwFilter);
 483
 484     IDirect3DSurface9_UnlockRect(pDestSurface);
 485     return D3D_OK;
 486 }
 487
 488 /************************************************************
 489  * D3DXLoadSurfaceFromSurface
 490  *
 491  * Copies the contents from one surface to another, performing any required
 492  * format conversion, resizing or filtering.
 493  *
 494  * PARAMS
 495  *   pDestSurface [I] pointer to the destination surface
 496  *   pDestPalette [I] palette to use
 497  *   pDestRect    [I] to be filled area of the surface
 498  *   pSrcSurface  [I] pointer to the source surface
 499  *   pSrcPalette  [I] palette used for the source surface
 500  *   pSrcRect     [I] area of the source data to load
 501  *   dwFilter     [I] filter to apply on resizing
 502  *   Colorkey     [I] any ARGB value or 0 to disable color-keying
 503  *
 504  * RETURNS
 505  *   Success: D3D_OK
 506  *   Failure: D3DERR_INVALIDCALL, if pDestSurface or pSrcSurface are NULL
 507  *            D3DXERR_INVALIDDATA, if one of the surfaces is not lockable
 508  *
 509  */
 510 HRESULT WINAPI D3DXLoadSurfaceFromSurface(LPDIRECT3DSURFACE9 pDestSurface,
 511                                           CONST PALETTEENTRY *pDestPalette,
 512                                           CONST RECT *pDestRect,
 513                                           LPDIRECT3DSURFACE9 pSrcSurface,
 514                                           CONST PALETTEENTRY *pSrcPalette,
 515                                           CONST RECT *pSrcRect,
 516                                           DWORD dwFilter,
 517                                           D3DCOLOR Colorkey)
 518 {
 519     RECT rect;
 520     D3DLOCKED_RECT lock;
 521     D3DSURFACE_DESC SrcDesc;
 522     HRESULT hr;
 523     TRACE("(void): relay\n");
 524
 525     if( !pDestSurface || !pSrcSurface ) return D3DERR_INVALIDCALL;
 526
 527     IDirect3DSurface9_GetDesc(pSrcSurface, &SrcDesc);
 528
 529     if( !pSrcRect ) SetRect(&rect, 0, 0, SrcDesc.Width, SrcDesc.Height);
 530     else rect = *pSrcRect;
 531
 532     hr = IDirect3DSurface9_LockRect(pSrcSurface, &lock, NULL, D3DLOCK_READONLY);
 533     if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 534
 535     hr = D3DXLoadSurfaceFromMemory(pDestSurface, pDestPalette, pDestRect,
 536                                    lock.pBits, SrcDesc.Format, lock.Pitch,
 537                                    pSrcPalette, &rect, dwFilter, Colorkey);
 538
 539     IDirect3DSurface9_UnlockRect(pSrcSurface);
 540     return hr;
 541 }