dlls/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 #include "initguid.h"
  25 #include "wincodec.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
  28
  29
  30 /************************************************************
  31  * D3DXGetImageInfoFromFileInMemory
  32  *
  33  * Fills a D3DXIMAGE_INFO structure with info about an image
  34  *
  35  * PARAMS
  36  *   data     [I] pointer to the image file data
  37  *   datasize [I] size of the passed data
  38  *   info     [O] pointer to the destination structure
  39  *
  40  * RETURNS
  41  *   Success: D3D_OK, if info is not NULL and data and datasize make up a valid image file or
  42  *                    if info is NULL and data and datasize are not NULL
  43  *   Failure: D3DXERR_INVALIDDATA, if data is no valid image file and datasize and info are not NULL
  44  *            D3DERR_INVALIDCALL, if data is NULL or
  45  *                                if datasize is 0
  46  *
  47  * NOTES
  48  *   datasize may be bigger than the actual file size
  49  *
  50  */
  51 HRESULT WINAPI D3DXGetImageInfoFromFileInMemory(LPCVOID data, UINT datasize, D3DXIMAGE_INFO *info)
  52 {
  53     IWICImagingFactory *factory;
  54     IWICBitmapDecoder *decoder = NULL;
  55     IWICStream *stream;
  56     HRESULT hr;
  57     HRESULT initresult;
  58
  59     FIXME("(%p, %d, %p): partially implemented\n", data, datasize, info);
  60
  61     /* TODO: Add support for (or at least detect) TGA, DDS, PPM and DIB */
  62
  63     if (!data || !datasize)
  64         return D3DERR_INVALIDCALL;
  65
  66     if (!info)
  67         return D3D_OK;
  68
  69     initresult = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
  70
  71     hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void**)&factory);
  72
  73     if (SUCCEEDED(hr)) {
  74         IWICImagingFactory_CreateStream(factory, &stream);
  75         IWICStream_InitializeFromMemory(stream, (BYTE*)data, datasize);
  76         hr = IWICImagingFactory_CreateDecoderFromStream(factory, (IStream*)stream, NULL, 0, &decoder);
  77         IStream_Release(stream);
  78         IWICImagingFactory_Release(factory);
  79     }
  80
  81     if (SUCCEEDED(hr)) {
  82         GUID container_format;
  83         UINT frame_count;
  84
  85         hr = IWICBitmapDecoder_GetContainerFormat(decoder, &container_format);
  86         if (SUCCEEDED(hr)) {
  87             if (IsEqualGUID(&container_format, &GUID_ContainerFormatBmp)) {
  88                 TRACE("File type is BMP\n");
  89                 info->ImageFileFormat = D3DXIFF_BMP;
  90             } else if (IsEqualGUID(&container_format, &GUID_ContainerFormatPng)) {
  91                 TRACE("File type is PNG\n");
  92                 info->ImageFileFormat = D3DXIFF_PNG;
  93             } else if(IsEqualGUID(&container_format, &GUID_ContainerFormatJpeg)) {
  94                 TRACE("File type is JPG\n");
  95                 info->ImageFileFormat = D3DXIFF_JPG;
  96             } else {
  97                 WARN("Unsupported image file format %s\n", debugstr_guid(&container_format));
  98                 hr = D3DXERR_INVALIDDATA;
  99             }
 100         }
 101
 102         if (SUCCEEDED(hr))
 103             hr = IWICBitmapDecoder_GetFrameCount(decoder, &frame_count);
 104         if (SUCCEEDED(hr) && !frame_count)
 105             hr = D3DXERR_INVALIDDATA;
 106
 107         if (SUCCEEDED(hr)) {
 108             IWICBitmapFrameDecode *frame = NULL;
 109
 110             hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
 111
 112             if (SUCCEEDED(hr))
 113                 hr = IWICBitmapFrameDecode_GetSize(frame, &info->Width, &info->Height);
 114
 115             if (SUCCEEDED(hr)) {
 116                 WICPixelFormatGUID pixel_format;
 117
 118                 hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &pixel_format);
 119                 if (SUCCEEDED(hr)) {
 120                     if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat1bppIndexed))
 121                         info->Format = D3DFMT_L8;
 122                     else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat4bppIndexed))
 123                         info->Format = D3DFMT_L8;
 124                     else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat8bppIndexed))
 125                         info->Format = D3DFMT_L8;
 126                     else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat16bppBGR555))
 127                         info->Format = D3DFMT_X1R5G5B5;
 128                     else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat24bppBGR))
 129                         info->Format = D3DFMT_R8G8B8;
 130                     else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat32bppBGR))
 131                         info->Format = D3DFMT_X8R8G8B8;
 132                     else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat32bppBGRA))
 133                         info->Format = D3DFMT_A8R8G8B8;
 134                     else {
 135                         WARN("Unsupported pixel format %s\n", debugstr_guid(&pixel_format));
 136                         hr = D3DXERR_INVALIDDATA;
 137                     }
 138                 }
 139             }
 140
 141             if (frame)
 142                  IWICBitmapFrameDecode_Release(frame);
 143
 144             info->Depth = 1;
 145             info->MipLevels = 1;
 146             info->ResourceType = D3DRTYPE_TEXTURE;
 147         }
 148     }
 149
 150     if (decoder)
 151         IWICBitmapDecoder_Release(decoder);
 152
 153     if (SUCCEEDED(initresult))
 154         CoUninitialize();
 155
 156     if (FAILED(hr)) {
 157         /* Missing formats are not detected yet and will fail silently without the FIXME */
 158         FIXME("Invalid or unsupported image file\n");
 159         return D3DXERR_INVALIDDATA;
 160     }
 161
 162     return D3D_OK;
 163 }
 164
 165 /************************************************************
 166  * D3DXGetImageInfoFromFile
 167  *
 168  * RETURNS
 169  *   Success: D3D_OK, if we successfully load a valid image file or
 170  *                    if we successfully load a file which is no valid image and info is NULL
 171  *   Failure: D3DXERR_INVALIDDATA, if we fail to load file or
 172  *                                 if file is not a valid image file and info is not NULL
 173  *            D3DERR_INVALIDCALL, if file is NULL
 174  *
 175  */
 176 HRESULT WINAPI D3DXGetImageInfoFromFileA(LPCSTR file, D3DXIMAGE_INFO *info)
 177 {
 178     LPWSTR widename;
 179     HRESULT hr;
 180     int strlength;
 181
 182     TRACE("(%s, %p): relay\n", debugstr_a(file), info);
 183
 184     if( !file ) return D3DERR_INVALIDCALL;
 185
 186     strlength = MultiByteToWideChar(CP_ACP, 0, file, -1, NULL, 0);
 187     widename = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlength * sizeof(WCHAR));
 188     MultiByteToWideChar(CP_ACP, 0, file, -1, widename, strlength);
 189
 190     hr = D3DXGetImageInfoFromFileW(widename, info);
 191     HeapFree(GetProcessHeap(), 0, widename);
 192
 193     return hr;
 194 }
 195
 196 HRESULT WINAPI D3DXGetImageInfoFromFileW(LPCWSTR file, D3DXIMAGE_INFO *info)
 197 {
 198     HRESULT hr;
 199     DWORD size;
 200     LPVOID buffer;
 201
 202     TRACE("(%s, %p): relay\n", debugstr_w(file), info);
 203
 204     if( !file ) return D3DERR_INVALIDCALL;
 205
 206     hr = map_view_of_file(file, &buffer, &size);
 207     if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 208
 209     hr = D3DXGetImageInfoFromFileInMemory(buffer, size, info);
 210     UnmapViewOfFile(buffer);
 211
 212     return hr;
 213 }
 214
 215 /************************************************************
 216  * D3DXGetImageInfoFromResource
 217  *
 218  * RETURNS
 219  *   Success: D3D_OK, if resource is a valid image file
 220  *   Failure: D3DXERR_INVALIDDATA, if resource is no valid image file or NULL or
 221  *                                 if we fail to load resource
 222  *
 223  */
 224 HRESULT WINAPI D3DXGetImageInfoFromResourceA(HMODULE module, LPCSTR resource, D3DXIMAGE_INFO *info)
 225 {
 226     HRSRC resinfo;
 227
 228     TRACE("(%p, %s, %p)\n", module, debugstr_a(resource), info);
 229
 230     resinfo = FindResourceA(module, resource, (LPCSTR)RT_RCDATA);
 231     if(resinfo) {
 232         LPVOID buffer;
 233         HRESULT hr;
 234         DWORD size;
 235
 236         hr = load_resource_into_memory(module, resinfo, &buffer, &size);
 237         if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 238         return D3DXGetImageInfoFromFileInMemory(buffer, size, info);
 239     }
 240
 241     resinfo = FindResourceA(module, resource, (LPCSTR)RT_BITMAP);
 242     if(resinfo) {
 243         FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
 244         return E_NOTIMPL;
 245     }
 246     return D3DXERR_INVALIDDATA;
 247 }
 248
 249 HRESULT WINAPI D3DXGetImageInfoFromResourceW(HMODULE module, LPCWSTR resource, D3DXIMAGE_INFO *info)
 250 {
 251     HRSRC resinfo;
 252
 253     TRACE("(%p, %s, %p)\n", module, debugstr_w(resource), info);
 254
 255     resinfo = FindResourceW(module, resource, (LPCWSTR)RT_RCDATA);
 256     if(resinfo) {
 257         LPVOID buffer;
 258         HRESULT hr;
 259         DWORD size;
 260
 261         hr = load_resource_into_memory(module, resinfo, &buffer, &size);
 262         if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 263         return D3DXGetImageInfoFromFileInMemory(buffer, size, info);
 264     }
 265
 266     resinfo = FindResourceW(module, resource, (LPCWSTR)RT_BITMAP);
 267     if(resinfo) {
 268         FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
 269         return E_NOTIMPL;
 270     }
 271     return D3DXERR_INVALIDDATA;
 272 }
 273
 274 /************************************************************
 275  * D3DXLoadSurfaceFromFileInMemory
 276  *
 277  * Loads data from a given buffer into a surface and fills a given
 278  * D3DXIMAGE_INFO structure with info about the source data.
 279  *
 280  * PARAMS
 281  *   pDestSurface [I] pointer to the surface
 282  *   pDestPalette [I] palette to use
 283  *   pDestRect    [I] to be filled area of the surface
 284  *   pSrcData     [I] pointer to the source data
 285  *   SrcDataSize  [I] size of the source data in bytes
 286  *   pSrcRect     [I] area of the source data to load
 287  *   dwFilter     [I] filter to apply on stretching
 288  *   Colorkey     [I] colorkey
 289  *   pSrcInfo     [O] pointer to a D3DXIMAGE_INFO structure
 290  *
 291  * RETURNS
 292  *   Success: D3D_OK
 293  *   Failure: D3DERR_INVALIDCALL, if pDestSurface or pSrcData or SrcDataSize are NULL
 294  *            D3DXERR_INVALIDDATA, if pSrcData is no valid image file
 295  *
 296  */
 297 HRESULT WINAPI D3DXLoadSurfaceFromFileInMemory(LPDIRECT3DSURFACE9 pDestSurface,
 298                                                CONST PALETTEENTRY *pDestPalette,
 299                                                CONST RECT *pDestRect,
 300                                                LPCVOID pSrcData,
 301                                                UINT SrcDataSize,
 302                                                CONST RECT *pSrcRect,
 303                                                DWORD dwFilter,
 304                                                D3DCOLOR Colorkey,
 305                                                D3DXIMAGE_INFO *pSrcInfo)
 306 {
 307     FIXME("(%p, %p, %p, %p, %d, %p, %d, %x, %p): stub\n", pDestSurface, pDestPalette,
 308         pDestRect, pSrcData, SrcDataSize, pSrcRect, dwFilter, Colorkey, pSrcInfo);
 309
 310     if( !pDestSurface || !pSrcData | !SrcDataSize ) return D3DERR_INVALIDCALL;
 311     return E_NOTIMPL;
 312 }
 313
 314 /************************************************************
 315  * D3DXLoadSurfaceFromFile
 316  */
 317 HRESULT WINAPI D3DXLoadSurfaceFromFileA(LPDIRECT3DSURFACE9 pDestSurface,
 318                                         CONST PALETTEENTRY *pDestPalette,
 319                                         CONST RECT *pDestRect,
 320                                         LPCSTR pSrcFile,
 321                                         CONST RECT *pSrcRect,
 322                                         DWORD dwFilter,
 323                                         D3DCOLOR Colorkey,
 324                                         D3DXIMAGE_INFO *pSrcInfo)
 325 {
 326     LPWSTR pWidename;
 327     HRESULT hr;
 328     int strlength;
 329
 330     TRACE("(%p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, debugstr_a(pSrcFile),
 331         pSrcRect, dwFilter, Colorkey, pSrcInfo);
 332
 333     if( !pSrcFile || !pDestSurface ) return D3DERR_INVALIDCALL;
 334
 335     strlength = MultiByteToWideChar(CP_ACP, 0, pSrcFile, -1, NULL, 0);
 336     pWidename = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlength * sizeof(WCHAR));
 337     MultiByteToWideChar(CP_ACP, 0, pSrcFile, -1, pWidename, strlength);
 338
 339     hr = D3DXLoadSurfaceFromFileW(pDestSurface, pDestPalette, pDestRect, pWidename, pSrcRect, dwFilter, Colorkey, pSrcInfo);
 340     HeapFree(GetProcessHeap(), 0, pWidename);
 341
 342     return hr;
 343 }
 344
 345 HRESULT WINAPI D3DXLoadSurfaceFromFileW(LPDIRECT3DSURFACE9 pDestSurface,
 346                                         CONST PALETTEENTRY *pDestPalette,
 347                                         CONST RECT *pDestRect,
 348                                         LPCWSTR pSrcFile,
 349                                         CONST RECT *pSrcRect,
 350                                         DWORD Filter,
 351                                         D3DCOLOR Colorkey,
 352                                         D3DXIMAGE_INFO *pSrcInfo)
 353 {
 354     HRESULT hr;
 355     DWORD dwSize;
 356     LPVOID pBuffer;
 357
 358     TRACE("(%p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, debugstr_w(pSrcFile),
 359         pSrcRect, Filter, Colorkey, pSrcInfo);
 360
 361     if( !pSrcFile || !pDestSurface ) return D3DERR_INVALIDCALL;
 362
 363     hr = map_view_of_file(pSrcFile, &pBuffer, &dwSize);
 364     if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 365
 366     hr = D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, Filter, Colorkey, pSrcInfo);
 367     UnmapViewOfFile(pBuffer);
 368
 369     return hr;
 370 }
 371
 372 /************************************************************
 373  * D3DXLoadSurfaceFromResource
 374  */
 375 HRESULT WINAPI D3DXLoadSurfaceFromResourceA(LPDIRECT3DSURFACE9 pDestSurface,
 376                                             CONST PALETTEENTRY *pDestPalette,
 377                                             CONST RECT *pDestRect,
 378                                             HMODULE hSrcModule,
 379                                             LPCSTR pResource,
 380                                             CONST RECT *pSrcRect,
 381                                             DWORD dwFilter,
 382                                             D3DCOLOR Colorkey,
 383                                             D3DXIMAGE_INFO *pSrcInfo)
 384 {
 385     HRSRC hResInfo;
 386
 387     TRACE("(%p, %p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, hSrcModule,
 388         debugstr_a(pResource), pSrcRect, dwFilter, Colorkey, pSrcInfo);
 389
 390     if( !pDestSurface ) return D3DERR_INVALIDCALL;
 391
 392     hResInfo = FindResourceA(hSrcModule, pResource, (LPCSTR)RT_RCDATA);
 393     if(hResInfo) {
 394         LPVOID pBuffer;
 395         HRESULT hr;
 396         DWORD dwSize;
 397
 398         hr = load_resource_into_memory(hSrcModule, hResInfo, &pBuffer, &dwSize);
 399         if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 400         return D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, dwFilter, Colorkey, pSrcInfo);
 401     }
 402
 403     hResInfo = FindResourceA(hSrcModule, pResource, (LPCSTR)RT_BITMAP);
 404     if(hResInfo) {
 405         FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
 406         return E_NOTIMPL;
 407     }
 408     return D3DXERR_INVALIDDATA;
 409 }
 410
 411 HRESULT WINAPI D3DXLoadSurfaceFromResourceW(LPDIRECT3DSURFACE9 pDestSurface,
 412                                             CONST PALETTEENTRY *pDestPalette,
 413                                             CONST RECT *pDestRect,
 414                                             HMODULE hSrcModule,
 415                                             LPCWSTR pResource,
 416                                             CONST RECT *pSrcRect,
 417                                             DWORD dwFilter,
 418                                             D3DCOLOR Colorkey,
 419                                             D3DXIMAGE_INFO *pSrcInfo)
 420 {
 421     HRSRC hResInfo;
 422
 423     TRACE("(%p, %p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, hSrcModule,
 424         debugstr_w(pResource), pSrcRect, dwFilter, Colorkey, pSrcInfo);
 425
 426     if( !pDestSurface ) return D3DERR_INVALIDCALL;
 427
 428     hResInfo = FindResourceW(hSrcModule, pResource, (LPCWSTR)RT_RCDATA);
 429     if(hResInfo) {
 430         LPVOID pBuffer;
 431         HRESULT hr;
 432         DWORD dwSize;
 433
 434         hr = load_resource_into_memory(hSrcModule, hResInfo, &pBuffer, &dwSize);
 435         if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 436         return D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, dwFilter, Colorkey, pSrcInfo);
 437     }
 438
 439     hResInfo = FindResourceW(hSrcModule, pResource, (LPCWSTR)RT_BITMAP);
 440     if(hResInfo) {
 441         FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
 442         return E_NOTIMPL;
 443     }
 444     return D3DXERR_INVALIDDATA;
 445 }
 446
 447
 448 /************************************************************
 449  * copy_simple_data
 450  *
 451  * Copies the source buffer to the destination buffer, performing
 452  * any necessary format conversion and color keying.
 453  * Works only for ARGB formats with 1 - 4 bytes per pixel.
 454  */
 455 static void copy_simple_data(CONST BYTE *src,  UINT  srcpitch, POINT  srcsize, CONST PixelFormatDesc  *srcformat,
 456                              CONST BYTE *dest, UINT destpitch, POINT destsize, CONST PixelFormatDesc *destformat,
 457                              DWORD dwFilter)
 458 {
 459     DWORD srcshift[4], destshift[4];
 460     DWORD srcmask[4], destmask[4];
 461     BOOL process_channel[4];
 462     DWORD channels[4];
 463     DWORD channelmask = 0;
 464
 465     UINT minwidth, minheight;
 466     BYTE *srcptr, *destptr;
 467     UINT i, x, y;
 468
 469     ZeroMemory(channels, sizeof(channels));
 470     ZeroMemory(process_channel, sizeof(process_channel));
 471
 472     for(i = 0;i < 4;i++) {
 473         /* srcshift is used to extract the _relevant_ components */
 474         srcshift[i]  =  srcformat->shift[i] + max( srcformat->bits[i] - destformat->bits[i], 0);
 475
 476         /* destshift is used to move the components to the correct position */
 477         destshift[i] = destformat->shift[i] + max(destformat->bits[i] -  srcformat->bits[i], 0);
 478
 479         srcmask[i]  = ((1 <<  srcformat->bits[i]) - 1) <<  srcformat->shift[i];
 480         destmask[i] = ((1 << destformat->bits[i]) - 1) << destformat->shift[i];
 481
 482         /* channelmask specifies bits which aren't used in the source format but in the destination one */
 483         if(destformat->bits[i]) {
 484             if(srcformat->bits[i]) process_channel[i] = TRUE;
 485             else channelmask |= destmask[i];
 486         }
 487     }
 488
 489     minwidth  = (srcsize.x < destsize.x) ? srcsize.x : destsize.x;
 490     minheight = (srcsize.y < destsize.y) ? srcsize.y : destsize.y;
 491
 492     for(y = 0;y < minheight;y++) {
 493         srcptr  = (BYTE*)( src + y *  srcpitch);
 494         destptr = (BYTE*)(dest + y * destpitch);
 495         for(x = 0;x < minwidth;x++) {
 496             /* extract source color components */
 497             if(srcformat->type == FORMAT_ARGB) {
 498                 const DWORD col = *(DWORD*)srcptr;
 499                 for(i = 0;i < 4;i++)
 500                     if(process_channel[i])
 501                         channels[i] = (col & srcmask[i]) >> srcshift[i];
 502             }
 503
 504             /* recombine the components */
 505             if(destformat->type == FORMAT_ARGB) {
 506                 DWORD* const pixel = (DWORD*)destptr;
 507                 *pixel = 0;
 508
 509                 for(i = 0;i < 4;i++) {
 510                     if(process_channel[i]) {
 511                         /* necessary to make sure that e.g. an X4R4G4B4 white maps to an R8G8B8 white instead of 0xf0f0f0 */
 512                         signed int shift;
 513                         for(shift = destshift[i]; shift > destformat->shift[i]; shift -= srcformat->bits[i]) *pixel |= channels[i] << shift;
 514                         *pixel |= (channels[i] >> (destformat->shift[i] - shift)) << destformat->shift[i];
 515                     }
 516                 }
 517                 *pixel |= channelmask;   /* new channels are set to their maximal value */
 518             }
 519             srcptr  +=  srcformat->bytes_per_pixel;
 520             destptr += destformat->bytes_per_pixel;
 521         }
 522     }
 523 }
 524
 525 /************************************************************
 526  * D3DXLoadSurfaceFromMemory
 527  *
 528  * Loads data from a given memory chunk into a surface,
 529  * applying any of the specified filters.
 530  *
 531  * PARAMS
 532  *   pDestSurface [I] pointer to the surface
 533  *   pDestPalette [I] palette to use
 534  *   pDestRect    [I] to be filled area of the surface
 535  *   pSrcMemory   [I] pointer to the source data
 536  *   SrcFormat    [I] format of the source pixel data
 537  *   SrcPitch     [I] number of bytes in a row
 538  *   pSrcPalette  [I] palette used in the source image
 539  *   pSrcRect     [I] area of the source data to load
 540  *   dwFilter     [I] filter to apply on stretching
 541  *   Colorkey     [I] colorkey
 542  *
 543  * RETURNS
 544  *   Success: D3D_OK, if we successfully load the pixel data into our surface or
 545  *                    if pSrcMemory is NULL but the other parameters are valid
 546  *   Failure: D3DERR_INVALIDCALL, if pDestSurface, SrcPitch or pSrcRect are NULL or
 547  *                                if SrcFormat is an invalid format (other than D3DFMT_UNKNOWN)
 548  *            D3DXERR_INVALIDDATA, if we fail to lock pDestSurface
 549  *            E_FAIL, if SrcFormat is D3DFMT_UNKNOWN or the dimensions of pSrcRect are invalid
 550  *
 551  * NOTES
 552  *   pSrcRect specifies the dimensions of the source data;
 553  *   negative values for pSrcRect are allowed as we're only looking at the width and height anyway.
 554  *
 555  */
 556 HRESULT WINAPI D3DXLoadSurfaceFromMemory(LPDIRECT3DSURFACE9 pDestSurface,
 557                                          CONST PALETTEENTRY *pDestPalette,
 558                                          CONST RECT *pDestRect,
 559                                          LPCVOID pSrcMemory,
 560                                          D3DFORMAT SrcFormat,
 561                                          UINT SrcPitch,
 562                                          CONST PALETTEENTRY *pSrcPalette,
 563                                          CONST RECT *pSrcRect,
 564                                          DWORD dwFilter,
 565                                          D3DCOLOR Colorkey)
 566 {
 567     CONST PixelFormatDesc *srcformatdesc, *destformatdesc;
 568     D3DSURFACE_DESC surfdesc;
 569     D3DLOCKED_RECT lockrect;
 570     POINT srcsize, destsize;
 571     HRESULT hr;
 572
 573     TRACE("(%p, %p, %p, %p, %x, %u, %p, %p %u, %#x)\n", pDestSurface, pDestPalette, pDestRect, pSrcMemory,
 574         SrcFormat, SrcPitch, pSrcPalette, pSrcRect, dwFilter, Colorkey);
 575
 576     if( !pDestSurface || !pSrcMemory || !pSrcRect ) return D3DERR_INVALIDCALL;
 577     if(SrcFormat == D3DFMT_UNKNOWN || pSrcRect->left >= pSrcRect->right || pSrcRect->top >= pSrcRect->bottom) return E_FAIL;
 578
 579     if(dwFilter != D3DX_FILTER_NONE) return E_NOTIMPL;
 580
 581     IDirect3DSurface9_GetDesc(pDestSurface, &surfdesc);
 582
 583     srcformatdesc = get_format_info(SrcFormat);
 584     destformatdesc = get_format_info(surfdesc.Format);
 585     if( srcformatdesc->type == FORMAT_UNKNOWN ||  srcformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;
 586     if(destformatdesc->type == FORMAT_UNKNOWN || destformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;
 587
 588     srcsize.x = pSrcRect->right - pSrcRect->left;
 589     srcsize.y = pSrcRect->bottom - pSrcRect->top;
 590     if( !pDestRect ) {
 591         destsize.x = surfdesc.Width;
 592         destsize.y = surfdesc.Height;
 593     } else {
 594         destsize.x = pDestRect->right - pDestRect->left;
 595         destsize.y = pDestRect->bottom - pDestRect->top;
 596     }
 597
 598     hr = IDirect3DSurface9_LockRect(pDestSurface, &lockrect, pDestRect, 0);
 599     if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 600
 601     copy_simple_data((CONST BYTE*)pSrcMemory, SrcPitch, srcsize, srcformatdesc,
 602                      (CONST BYTE*)lockrect.pBits, lockrect.Pitch, destsize, destformatdesc,
 603                      dwFilter);
 604
 605     IDirect3DSurface9_UnlockRect(pDestSurface);
 606     return D3D_OK;
 607 }
 608
 609 /************************************************************
 610  * D3DXLoadSurfaceFromSurface
 611  *
 612  * Copies the contents from one surface to another, performing any required
 613  * format conversion, resizing or filtering.
 614  *
 615  * PARAMS
 616  *   pDestSurface [I] pointer to the destination surface
 617  *   pDestPalette [I] palette to use
 618  *   pDestRect    [I] to be filled area of the surface
 619  *   pSrcSurface  [I] pointer to the source surface
 620  *   pSrcPalette  [I] palette used for the source surface
 621  *   pSrcRect     [I] area of the source data to load
 622  *   dwFilter     [I] filter to apply on resizing
 623  *   Colorkey     [I] any ARGB value or 0 to disable color-keying
 624  *
 625  * RETURNS
 626  *   Success: D3D_OK
 627  *   Failure: D3DERR_INVALIDCALL, if pDestSurface or pSrcSurface are NULL
 628  *            D3DXERR_INVALIDDATA, if one of the surfaces is not lockable
 629  *
 630  */
 631 HRESULT WINAPI D3DXLoadSurfaceFromSurface(LPDIRECT3DSURFACE9 pDestSurface,
 632                                           CONST PALETTEENTRY *pDestPalette,
 633                                           CONST RECT *pDestRect,
 634                                           LPDIRECT3DSURFACE9 pSrcSurface,
 635                                           CONST PALETTEENTRY *pSrcPalette,
 636                                           CONST RECT *pSrcRect,
 637                                           DWORD dwFilter,
 638                                           D3DCOLOR Colorkey)
 639 {
 640     RECT rect;
 641     D3DLOCKED_RECT lock;
 642     D3DSURFACE_DESC SrcDesc;
 643     HRESULT hr;
 644
 645     TRACE("(%p, %p, %p, %p, %p, %p, %u, %#x): relay\n", pDestSurface, pDestPalette, pDestRect,
 646         pSrcSurface, pSrcPalette, pSrcRect, dwFilter, Colorkey);
 647
 648     if( !pDestSurface || !pSrcSurface ) return D3DERR_INVALIDCALL;
 649
 650     IDirect3DSurface9_GetDesc(pSrcSurface, &SrcDesc);
 651
 652     if( !pSrcRect ) SetRect(&rect, 0, 0, SrcDesc.Width, SrcDesc.Height);
 653     else rect = *pSrcRect;
 654
 655     hr = IDirect3DSurface9_LockRect(pSrcSurface, &lock, NULL, D3DLOCK_READONLY);
 656     if(FAILED(hr)) return D3DXERR_INVALIDDATA;
 657
 658     hr = D3DXLoadSurfaceFromMemory(pDestSurface, pDestPalette, pDestRect,
 659                                    lock.pBits, SrcDesc.Format, lock.Pitch,
 660                                    pSrcPalette, &rect, dwFilter, Colorkey);
 661
 662     IDirect3DSurface9_UnlockRect(pSrcSurface);
 663     return hr;
 664 }