user32: Propagate the LoadImage flags into the low-level loader functions.
[wine.git] / dlls / d3dx9_36 / surface.c
blob48cd2c2d804d1a5166e218e6f954f0974d9f1f60
1 /*
2 * Copyright (C) 2009-2010 Tony Wasserka
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.
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.
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
20 #include "wine/debug.h"
21 #include "wine/unicode.h"
22 #include "d3dx9_36_private.h"
24 #include "initguid.h"
25 #include "wincodec.h"
27 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
30 /* Wine-specific WIC GUIDs */
32 DEFINE_GUID(GUID_WineContainerFormatTga, 0x0c44fda1,0xa5c5,0x4298,0x96,0x85,0x47,0x3f,0xc1,0x7c,0xd3,0x22);
34 /************************************************************
35 * D3DXGetImageInfoFromFileInMemory
37 * Fills a D3DXIMAGE_INFO structure with info about an image
39 * PARAMS
40 * data [I] pointer to the image file data
41 * datasize [I] size of the passed data
42 * info [O] pointer to the destination structure
44 * RETURNS
45 * Success: D3D_OK, if info is not NULL and data and datasize make up a valid image file or
46 * if info is NULL and data and datasize are not NULL
47 * Failure: D3DXERR_INVALIDDATA, if data is no valid image file and datasize and info are not NULL
48 * D3DERR_INVALIDCALL, if data is NULL or
49 * if datasize is 0
51 * NOTES
52 * datasize may be bigger than the actual file size
55 HRESULT WINAPI D3DXGetImageInfoFromFileInMemory(LPCVOID data, UINT datasize, D3DXIMAGE_INFO *info)
57 IWICImagingFactory *factory;
58 IWICBitmapDecoder *decoder = NULL;
59 IWICStream *stream;
60 HRESULT hr;
61 HRESULT initresult;
62 static int warn_once;
64 if (!warn_once++)
65 FIXME("(%p, %d, %p): partially implemented\n", data, datasize, info);
67 /* TODO: Add support for (or at least detect) TGA, DDS, PPM and DIB */
69 if (!data || !datasize)
70 return D3DERR_INVALIDCALL;
72 if (!info)
73 return D3D_OK;
75 initresult = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
77 hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void**)&factory);
79 if (SUCCEEDED(hr)) {
80 IWICImagingFactory_CreateStream(factory, &stream);
81 IWICStream_InitializeFromMemory(stream, (BYTE*)data, datasize);
82 hr = IWICImagingFactory_CreateDecoderFromStream(factory, (IStream*)stream, NULL, 0, &decoder);
83 IStream_Release(stream);
84 IWICImagingFactory_Release(factory);
87 if (SUCCEEDED(hr)) {
88 GUID container_format;
89 UINT frame_count;
91 hr = IWICBitmapDecoder_GetContainerFormat(decoder, &container_format);
92 if (SUCCEEDED(hr)) {
93 if (IsEqualGUID(&container_format, &GUID_ContainerFormatBmp)) {
94 TRACE("File type is BMP\n");
95 info->ImageFileFormat = D3DXIFF_BMP;
96 } else if (IsEqualGUID(&container_format, &GUID_ContainerFormatPng)) {
97 TRACE("File type is PNG\n");
98 info->ImageFileFormat = D3DXIFF_PNG;
99 } else if(IsEqualGUID(&container_format, &GUID_ContainerFormatJpeg)) {
100 TRACE("File type is JPG\n");
101 info->ImageFileFormat = D3DXIFF_JPG;
102 } else if(IsEqualGUID(&container_format, &GUID_WineContainerFormatTga)) {
103 TRACE("File type is TGA\n");
104 info->ImageFileFormat = D3DXIFF_TGA;
105 } else {
106 WARN("Unsupported image file format %s\n", debugstr_guid(&container_format));
107 hr = D3DXERR_INVALIDDATA;
111 if (SUCCEEDED(hr))
112 hr = IWICBitmapDecoder_GetFrameCount(decoder, &frame_count);
113 if (SUCCEEDED(hr) && !frame_count)
114 hr = D3DXERR_INVALIDDATA;
116 if (SUCCEEDED(hr)) {
117 IWICBitmapFrameDecode *frame = NULL;
119 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
121 if (SUCCEEDED(hr))
122 hr = IWICBitmapFrameDecode_GetSize(frame, &info->Width, &info->Height);
124 if (SUCCEEDED(hr)) {
125 WICPixelFormatGUID pixel_format;
127 hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &pixel_format);
128 if (SUCCEEDED(hr)) {
129 if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat1bppIndexed))
130 info->Format = D3DFMT_L8;
131 else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat4bppIndexed))
132 info->Format = D3DFMT_L8;
133 else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat8bppIndexed))
134 info->Format = D3DFMT_L8;
135 else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat16bppBGR555))
136 info->Format = D3DFMT_X1R5G5B5;
137 else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat24bppBGR))
138 info->Format = D3DFMT_R8G8B8;
139 else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat32bppBGR))
140 info->Format = D3DFMT_X8R8G8B8;
141 else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat32bppBGRA))
142 info->Format = D3DFMT_A8R8G8B8;
143 else {
144 WARN("Unsupported pixel format %s\n", debugstr_guid(&pixel_format));
145 hr = D3DXERR_INVALIDDATA;
150 if (frame)
151 IWICBitmapFrameDecode_Release(frame);
153 info->Depth = 1;
154 info->MipLevels = 1;
155 info->ResourceType = D3DRTYPE_TEXTURE;
159 if (decoder)
160 IWICBitmapDecoder_Release(decoder);
162 if (SUCCEEDED(initresult))
163 CoUninitialize();
165 if (FAILED(hr)) {
166 /* Missing formats are not detected yet and will fail silently without the FIXME */
167 FIXME("Invalid or unsupported image file\n");
168 return D3DXERR_INVALIDDATA;
171 return D3D_OK;
174 /************************************************************
175 * D3DXGetImageInfoFromFile
177 * RETURNS
178 * Success: D3D_OK, if we successfully load a valid image file or
179 * if we successfully load a file which is no valid image and info is NULL
180 * Failure: D3DXERR_INVALIDDATA, if we fail to load file or
181 * if file is not a valid image file and info is not NULL
182 * D3DERR_INVALIDCALL, if file is NULL
185 HRESULT WINAPI D3DXGetImageInfoFromFileA(LPCSTR file, D3DXIMAGE_INFO *info)
187 LPWSTR widename;
188 HRESULT hr;
189 int strlength;
191 TRACE("(%s, %p): relay\n", debugstr_a(file), info);
193 if( !file ) return D3DERR_INVALIDCALL;
195 strlength = MultiByteToWideChar(CP_ACP, 0, file, -1, NULL, 0);
196 widename = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlength * sizeof(WCHAR));
197 MultiByteToWideChar(CP_ACP, 0, file, -1, widename, strlength);
199 hr = D3DXGetImageInfoFromFileW(widename, info);
200 HeapFree(GetProcessHeap(), 0, widename);
202 return hr;
205 HRESULT WINAPI D3DXGetImageInfoFromFileW(LPCWSTR file, D3DXIMAGE_INFO *info)
207 HRESULT hr;
208 DWORD size;
209 LPVOID buffer;
211 TRACE("(%s, %p): relay\n", debugstr_w(file), info);
213 if( !file ) return D3DERR_INVALIDCALL;
215 hr = map_view_of_file(file, &buffer, &size);
216 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
218 hr = D3DXGetImageInfoFromFileInMemory(buffer, size, info);
219 UnmapViewOfFile(buffer);
221 return hr;
224 /************************************************************
225 * D3DXGetImageInfoFromResource
227 * RETURNS
228 * Success: D3D_OK, if resource is a valid image file
229 * Failure: D3DXERR_INVALIDDATA, if resource is no valid image file or NULL or
230 * if we fail to load resource
233 HRESULT WINAPI D3DXGetImageInfoFromResourceA(HMODULE module, LPCSTR resource, D3DXIMAGE_INFO *info)
235 HRSRC resinfo;
237 TRACE("(%p, %s, %p)\n", module, debugstr_a(resource), info);
239 resinfo = FindResourceA(module, resource, (LPCSTR)RT_RCDATA);
240 if(resinfo) {
241 LPVOID buffer;
242 HRESULT hr;
243 DWORD size;
245 hr = load_resource_into_memory(module, resinfo, &buffer, &size);
246 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
247 return D3DXGetImageInfoFromFileInMemory(buffer, size, info);
250 resinfo = FindResourceA(module, resource, (LPCSTR)RT_BITMAP);
251 if(resinfo) {
252 FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
253 return E_NOTIMPL;
255 return D3DXERR_INVALIDDATA;
258 HRESULT WINAPI D3DXGetImageInfoFromResourceW(HMODULE module, LPCWSTR resource, D3DXIMAGE_INFO *info)
260 HRSRC resinfo;
262 TRACE("(%p, %s, %p)\n", module, debugstr_w(resource), info);
264 resinfo = FindResourceW(module, resource, (LPCWSTR)RT_RCDATA);
265 if(resinfo) {
266 LPVOID buffer;
267 HRESULT hr;
268 DWORD size;
270 hr = load_resource_into_memory(module, resinfo, &buffer, &size);
271 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
272 return D3DXGetImageInfoFromFileInMemory(buffer, size, info);
275 resinfo = FindResourceW(module, resource, (LPCWSTR)RT_BITMAP);
276 if(resinfo) {
277 FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
278 return E_NOTIMPL;
280 return D3DXERR_INVALIDDATA;
283 /************************************************************
284 * D3DXLoadSurfaceFromFileInMemory
286 * Loads data from a given buffer into a surface and fills a given
287 * D3DXIMAGE_INFO structure with info about the source data.
289 * PARAMS
290 * pDestSurface [I] pointer to the surface
291 * pDestPalette [I] palette to use
292 * pDestRect [I] to be filled area of the surface
293 * pSrcData [I] pointer to the source data
294 * SrcDataSize [I] size of the source data in bytes
295 * pSrcRect [I] area of the source data to load
296 * dwFilter [I] filter to apply on stretching
297 * Colorkey [I] colorkey
298 * pSrcInfo [O] pointer to a D3DXIMAGE_INFO structure
300 * RETURNS
301 * Success: D3D_OK
302 * Failure: D3DERR_INVALIDCALL, if pDestSurface or pSrcData or SrcDataSize are NULL
303 * D3DXERR_INVALIDDATA, if pSrcData is no valid image file
306 HRESULT WINAPI D3DXLoadSurfaceFromFileInMemory(LPDIRECT3DSURFACE9 pDestSurface,
307 CONST PALETTEENTRY *pDestPalette,
308 CONST RECT *pDestRect,
309 LPCVOID pSrcData,
310 UINT SrcDataSize,
311 CONST RECT *pSrcRect,
312 DWORD dwFilter,
313 D3DCOLOR Colorkey,
314 D3DXIMAGE_INFO *pSrcInfo)
316 D3DXIMAGE_INFO imginfo;
317 HRESULT hr;
319 IWICImagingFactory *factory;
320 IWICBitmapDecoder *decoder;
321 IWICBitmapFrameDecode *bitmapframe;
322 IWICStream *stream;
324 const PixelFormatDesc *formatdesc;
325 WICRect wicrect;
326 RECT rect;
328 TRACE("(%p, %p, %p, %p, %d, %p, %d, %x, %p)\n", pDestSurface, pDestPalette, pDestRect, pSrcData,
329 SrcDataSize, pSrcRect, dwFilter, Colorkey, pSrcInfo);
331 if (!pDestSurface || !pSrcData | !SrcDataSize)
332 return D3DERR_INVALIDCALL;
334 hr = D3DXGetImageInfoFromFileInMemory(pSrcData, SrcDataSize, &imginfo);
336 if (FAILED(hr))
337 return hr;
339 CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
341 if (FAILED(CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void**)&factory)))
342 goto cleanup_err;
344 if (FAILED(IWICImagingFactory_CreateStream(factory, &stream)))
346 IWICImagingFactory_Release(factory);
347 goto cleanup_err;
350 IWICStream_InitializeFromMemory(stream, (BYTE*)pSrcData, SrcDataSize);
352 hr = IWICImagingFactory_CreateDecoderFromStream(factory, (IStream*)stream, NULL, 0, &decoder);
354 IStream_Release(stream);
355 IWICImagingFactory_Release(factory);
357 if (FAILED(hr))
358 goto cleanup_err;
360 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &bitmapframe);
362 if (FAILED(hr))
363 goto cleanup_bmp;
365 if (pSrcRect)
367 wicrect.X = pSrcRect->left;
368 wicrect.Y = pSrcRect->top;
369 wicrect.Width = pSrcRect->right - pSrcRect->left;
370 wicrect.Height = pSrcRect->bottom - pSrcRect->top;
372 else
374 wicrect.X = 0;
375 wicrect.Y = 0;
376 wicrect.Width = imginfo.Width;
377 wicrect.Height = imginfo.Height;
380 SetRect(&rect, 0, 0, wicrect.Width, wicrect.Height);
382 formatdesc = get_format_info(imginfo.Format);
384 if (formatdesc->format == D3DFMT_UNKNOWN)
386 FIXME("Unsupported pixel format\n");
387 hr = D3DXERR_INVALIDDATA;
389 else
391 BYTE *buffer;
392 DWORD pitch;
394 pitch = formatdesc->bytes_per_pixel * wicrect.Width;
395 buffer = HeapAlloc(GetProcessHeap(), 0, pitch * wicrect.Height);
397 hr = IWICBitmapFrameDecode_CopyPixels(bitmapframe, &wicrect, pitch,
398 pitch * wicrect.Height, buffer);
400 if (SUCCEEDED(hr))
402 hr = D3DXLoadSurfaceFromMemory(pDestSurface, pDestPalette, pDestRect,
403 buffer, imginfo.Format, pitch,
404 NULL, &rect, dwFilter, Colorkey);
407 HeapFree(GetProcessHeap(), 0, buffer);
410 IWICBitmapFrameDecode_Release(bitmapframe);
412 cleanup_bmp:
413 IWICBitmapDecoder_Release(decoder);
415 cleanup_err:
416 CoUninitialize();
418 if (FAILED(hr))
419 return D3DXERR_INVALIDDATA;
421 if (pSrcInfo)
422 *pSrcInfo = imginfo;
424 return D3D_OK;
427 /************************************************************
428 * D3DXLoadSurfaceFromFile
430 HRESULT WINAPI D3DXLoadSurfaceFromFileA(LPDIRECT3DSURFACE9 pDestSurface,
431 CONST PALETTEENTRY *pDestPalette,
432 CONST RECT *pDestRect,
433 LPCSTR pSrcFile,
434 CONST RECT *pSrcRect,
435 DWORD dwFilter,
436 D3DCOLOR Colorkey,
437 D3DXIMAGE_INFO *pSrcInfo)
439 LPWSTR pWidename;
440 HRESULT hr;
441 int strlength;
443 TRACE("(%p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, debugstr_a(pSrcFile),
444 pSrcRect, dwFilter, Colorkey, pSrcInfo);
446 if( !pSrcFile || !pDestSurface ) return D3DERR_INVALIDCALL;
448 strlength = MultiByteToWideChar(CP_ACP, 0, pSrcFile, -1, NULL, 0);
449 pWidename = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlength * sizeof(WCHAR));
450 MultiByteToWideChar(CP_ACP, 0, pSrcFile, -1, pWidename, strlength);
452 hr = D3DXLoadSurfaceFromFileW(pDestSurface, pDestPalette, pDestRect, pWidename, pSrcRect, dwFilter, Colorkey, pSrcInfo);
453 HeapFree(GetProcessHeap(), 0, pWidename);
455 return hr;
458 HRESULT WINAPI D3DXLoadSurfaceFromFileW(LPDIRECT3DSURFACE9 pDestSurface,
459 CONST PALETTEENTRY *pDestPalette,
460 CONST RECT *pDestRect,
461 LPCWSTR pSrcFile,
462 CONST RECT *pSrcRect,
463 DWORD Filter,
464 D3DCOLOR Colorkey,
465 D3DXIMAGE_INFO *pSrcInfo)
467 HRESULT hr;
468 DWORD dwSize;
469 LPVOID pBuffer;
471 TRACE("(%p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, debugstr_w(pSrcFile),
472 pSrcRect, Filter, Colorkey, pSrcInfo);
474 if( !pSrcFile || !pDestSurface ) return D3DERR_INVALIDCALL;
476 hr = map_view_of_file(pSrcFile, &pBuffer, &dwSize);
477 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
479 hr = D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, Filter, Colorkey, pSrcInfo);
480 UnmapViewOfFile(pBuffer);
482 return hr;
485 /************************************************************
486 * D3DXLoadSurfaceFromResource
488 HRESULT WINAPI D3DXLoadSurfaceFromResourceA(LPDIRECT3DSURFACE9 pDestSurface,
489 CONST PALETTEENTRY *pDestPalette,
490 CONST RECT *pDestRect,
491 HMODULE hSrcModule,
492 LPCSTR pResource,
493 CONST RECT *pSrcRect,
494 DWORD dwFilter,
495 D3DCOLOR Colorkey,
496 D3DXIMAGE_INFO *pSrcInfo)
498 HRSRC hResInfo;
500 TRACE("(%p, %p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, hSrcModule,
501 debugstr_a(pResource), pSrcRect, dwFilter, Colorkey, pSrcInfo);
503 if( !pDestSurface ) return D3DERR_INVALIDCALL;
505 hResInfo = FindResourceA(hSrcModule, pResource, (LPCSTR)RT_RCDATA);
506 if(hResInfo) {
507 LPVOID pBuffer;
508 HRESULT hr;
509 DWORD dwSize;
511 hr = load_resource_into_memory(hSrcModule, hResInfo, &pBuffer, &dwSize);
512 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
513 return D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, dwFilter, Colorkey, pSrcInfo);
516 hResInfo = FindResourceA(hSrcModule, pResource, (LPCSTR)RT_BITMAP);
517 if(hResInfo) {
518 FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
519 return E_NOTIMPL;
521 return D3DXERR_INVALIDDATA;
524 HRESULT WINAPI D3DXLoadSurfaceFromResourceW(LPDIRECT3DSURFACE9 pDestSurface,
525 CONST PALETTEENTRY *pDestPalette,
526 CONST RECT *pDestRect,
527 HMODULE hSrcModule,
528 LPCWSTR pResource,
529 CONST RECT *pSrcRect,
530 DWORD dwFilter,
531 D3DCOLOR Colorkey,
532 D3DXIMAGE_INFO *pSrcInfo)
534 HRSRC hResInfo;
536 TRACE("(%p, %p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, hSrcModule,
537 debugstr_w(pResource), pSrcRect, dwFilter, Colorkey, pSrcInfo);
539 if( !pDestSurface ) return D3DERR_INVALIDCALL;
541 hResInfo = FindResourceW(hSrcModule, pResource, (LPCWSTR)RT_RCDATA);
542 if(hResInfo) {
543 LPVOID pBuffer;
544 HRESULT hr;
545 DWORD dwSize;
547 hr = load_resource_into_memory(hSrcModule, hResInfo, &pBuffer, &dwSize);
548 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
549 return D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, dwFilter, Colorkey, pSrcInfo);
552 hResInfo = FindResourceW(hSrcModule, pResource, (LPCWSTR)RT_BITMAP);
553 if(hResInfo) {
554 FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
555 return E_NOTIMPL;
557 return D3DXERR_INVALIDDATA;
561 /************************************************************
562 * helper functions for D3DXLoadSurfaceFromMemory
564 struct argb_conversion_info
566 CONST PixelFormatDesc *srcformat;
567 CONST PixelFormatDesc *destformat;
568 DWORD srcshift[4], destshift[4];
569 DWORD srcmask[4], destmask[4];
570 BOOL process_channel[4];
571 DWORD channelmask;
574 static void init_argb_conversion_info(CONST PixelFormatDesc *srcformat, CONST PixelFormatDesc *destformat, struct argb_conversion_info *info)
576 UINT i;
577 ZeroMemory(info->process_channel, 4 * sizeof(BOOL));
578 info->channelmask = 0;
580 info->srcformat = srcformat;
581 info->destformat = destformat;
583 for(i = 0;i < 4;i++) {
584 /* srcshift is used to extract the _relevant_ components */
585 info->srcshift[i] = srcformat->shift[i] + max( srcformat->bits[i] - destformat->bits[i], 0);
587 /* destshift is used to move the components to the correct position */
588 info->destshift[i] = destformat->shift[i] + max(destformat->bits[i] - srcformat->bits[i], 0);
590 info->srcmask[i] = ((1 << srcformat->bits[i]) - 1) << srcformat->shift[i];
591 info->destmask[i] = ((1 << destformat->bits[i]) - 1) << destformat->shift[i];
593 /* channelmask specifies bits which aren't used in the source format but in the destination one */
594 if(destformat->bits[i]) {
595 if(srcformat->bits[i]) info->process_channel[i] = TRUE;
596 else info->channelmask |= info->destmask[i];
601 /************************************************************
602 * get_relevant_argb_components
604 * Extracts the relevant components from the source color and
605 * drops the less significant bits if they aren't used by the destination format.
607 static void get_relevant_argb_components(CONST struct argb_conversion_info *info, CONST DWORD col, DWORD *out)
609 UINT i = 0;
610 for(;i < 4;i++)
611 if(info->process_channel[i])
612 out[i] = (col & info->srcmask[i]) >> info->srcshift[i];
615 /************************************************************
616 * make_argb_color
618 * Recombines the output of get_relevant_argb_components and converts
619 * it to the destination format.
621 static void make_argb_color(CONST struct argb_conversion_info *info, CONST DWORD *in, DWORD *out)
623 UINT i;
624 *out = 0;
626 for(i = 0;i < 4;i++) {
627 if(info->process_channel[i]) {
628 /* necessary to make sure that e.g. an X4R4G4B4 white maps to an R8G8B8 white instead of 0xf0f0f0 */
629 signed int shift;
630 for(shift = info->destshift[i]; shift > info->destformat->shift[i]; shift -= info->srcformat->bits[i]) *out |= in[i] << shift;
631 *out |= (in[i] >> (info->destformat->shift[i] - shift)) << info->destformat->shift[i];
634 *out |= info->channelmask; /* new channels are set to their maximal value */
637 /************************************************************
638 * copy_simple_data
640 * Copies the source buffer to the destination buffer, performing
641 * any necessary format conversion and color keying.
642 * Pixels outsize the source rect are blacked out.
643 * Works only for ARGB formats with 1 - 4 bytes per pixel.
645 static void copy_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize,
646 CONST PixelFormatDesc *srcformat,
647 BYTE *dest, UINT destpitch, POINT destsize,
648 CONST PixelFormatDesc *destformat,
649 D3DCOLOR colorkey)
651 struct argb_conversion_info conv_info, ck_conv_info;
652 DWORD channels[4], pixel;
653 UINT minwidth, minheight;
654 UINT x, y;
656 ZeroMemory(channels, sizeof(channels));
657 init_argb_conversion_info(srcformat, destformat, &conv_info);
659 minwidth = (srcsize.x < destsize.x) ? srcsize.x : destsize.x;
660 minheight = (srcsize.y < destsize.y) ? srcsize.y : destsize.y;
662 if(colorkey) {
663 /* color keys are always represented in D3DFMT_A8R8G8B8 format */
664 const PixelFormatDesc *ckformatdesc;
666 ckformatdesc = get_format_info(D3DFMT_A8R8G8B8);
667 init_argb_conversion_info(srcformat, ckformatdesc, &ck_conv_info);
670 for(y = 0;y < minheight;y++) {
671 const BYTE *srcptr = src + y * srcpitch;
672 BYTE *destptr = dest + y * destpitch;
673 for(x = 0;x < minwidth;x++) {
674 /* extract source color components */
675 if(srcformat->type == FORMAT_ARGB) get_relevant_argb_components(&conv_info, *(const DWORD*)srcptr, channels);
677 /* recombine the components */
678 if(destformat->type == FORMAT_ARGB) make_argb_color(&conv_info, channels, (DWORD*)destptr);
680 if(colorkey) {
681 get_relevant_argb_components(&ck_conv_info, *(const DWORD*)srcptr, channels);
682 make_argb_color(&ck_conv_info, channels, &pixel);
683 if(pixel == colorkey)
684 /* make this pixel transparent */
685 *(DWORD *)destptr &= ~conv_info.destmask[0];
688 srcptr += srcformat->bytes_per_pixel;
689 destptr += destformat->bytes_per_pixel;
692 if(srcsize.x < destsize.x) /* black out remaining pixels */
693 ZeroMemory(destptr, destformat->bytes_per_pixel * (destsize.x - srcsize.x));
695 if(srcsize.y < destsize.y) /* black out remaining pixels */
696 ZeroMemory(dest + srcsize.y * destpitch, destpitch * (destsize.y - srcsize.y));
699 /************************************************************
700 * point_filter_simple_data
702 * Copies the source buffer to the destination buffer, performing
703 * any necessary format conversion, color keying and stretching
704 * using a point filter.
705 * Works only for ARGB formats with 1 - 4 bytes per pixel.
707 static void point_filter_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize,
708 CONST PixelFormatDesc *srcformat,
709 BYTE *dest, UINT destpitch, POINT destsize,
710 CONST PixelFormatDesc *destformat,
711 D3DCOLOR colorkey)
713 struct argb_conversion_info conv_info, ck_conv_info;
714 DWORD channels[4], pixel;
716 UINT x, y;
718 ZeroMemory(channels, sizeof(channels));
719 init_argb_conversion_info(srcformat, destformat, &conv_info);
721 if(colorkey) {
722 /* color keys are always represented in D3DFMT_A8R8G8B8 format */
723 const PixelFormatDesc *ckformatdesc;
725 ckformatdesc = get_format_info(D3DFMT_A8R8G8B8);
726 init_argb_conversion_info(srcformat, ckformatdesc, &ck_conv_info);
729 for(y = 0;y < destsize.y;y++) {
730 BYTE *destptr = dest + y * destpitch;
731 const BYTE *bufptr = src + srcpitch * (y * srcsize.y / destsize.y);
733 for(x = 0;x < destsize.x;x++) {
734 const BYTE *srcptr = bufptr + (x * srcsize.x / destsize.x) * srcformat->bytes_per_pixel;
736 /* extract source color components */
737 if(srcformat->type == FORMAT_ARGB) get_relevant_argb_components(&conv_info, *(const DWORD*)srcptr, channels);
739 /* recombine the components */
740 if(destformat->type == FORMAT_ARGB) make_argb_color(&conv_info, channels, (DWORD*)destptr);
742 if(colorkey) {
743 get_relevant_argb_components(&ck_conv_info, *(const DWORD*)srcptr, channels);
744 make_argb_color(&ck_conv_info, channels, &pixel);
745 if(pixel == colorkey)
746 /* make this pixel transparent */
747 *(DWORD *)destptr &= ~conv_info.destmask[0];
750 destptr += destformat->bytes_per_pixel;
755 /************************************************************
756 * D3DXLoadSurfaceFromMemory
758 * Loads data from a given memory chunk into a surface,
759 * applying any of the specified filters.
761 * PARAMS
762 * pDestSurface [I] pointer to the surface
763 * pDestPalette [I] palette to use
764 * pDestRect [I] to be filled area of the surface
765 * pSrcMemory [I] pointer to the source data
766 * SrcFormat [I] format of the source pixel data
767 * SrcPitch [I] number of bytes in a row
768 * pSrcPalette [I] palette used in the source image
769 * pSrcRect [I] area of the source data to load
770 * dwFilter [I] filter to apply on stretching
771 * Colorkey [I] colorkey
773 * RETURNS
774 * Success: D3D_OK, if we successfully load the pixel data into our surface or
775 * if pSrcMemory is NULL but the other parameters are valid
776 * Failure: D3DERR_INVALIDCALL, if pDestSurface, SrcPitch or pSrcRect are NULL or
777 * if SrcFormat is an invalid format (other than D3DFMT_UNKNOWN) or
778 * if DestRect is invalid
779 * D3DXERR_INVALIDDATA, if we fail to lock pDestSurface
780 * E_FAIL, if SrcFormat is D3DFMT_UNKNOWN or the dimensions of pSrcRect are invalid
782 * NOTES
783 * pSrcRect specifies the dimensions of the source data;
784 * negative values for pSrcRect are allowed as we're only looking at the width and height anyway.
787 HRESULT WINAPI D3DXLoadSurfaceFromMemory(LPDIRECT3DSURFACE9 pDestSurface,
788 CONST PALETTEENTRY *pDestPalette,
789 CONST RECT *pDestRect,
790 LPCVOID pSrcMemory,
791 D3DFORMAT SrcFormat,
792 UINT SrcPitch,
793 CONST PALETTEENTRY *pSrcPalette,
794 CONST RECT *pSrcRect,
795 DWORD dwFilter,
796 D3DCOLOR Colorkey)
798 CONST PixelFormatDesc *srcformatdesc, *destformatdesc;
799 D3DSURFACE_DESC surfdesc;
800 D3DLOCKED_RECT lockrect;
801 POINT srcsize, destsize;
802 HRESULT hr;
804 TRACE("(%p, %p, %p, %p, %x, %u, %p, %p %u, %#x)\n", pDestSurface, pDestPalette, pDestRect, pSrcMemory,
805 SrcFormat, SrcPitch, pSrcPalette, pSrcRect, dwFilter, Colorkey);
807 if( !pDestSurface || !pSrcMemory || !pSrcRect ) return D3DERR_INVALIDCALL;
808 if(SrcFormat == D3DFMT_UNKNOWN || pSrcRect->left >= pSrcRect->right || pSrcRect->top >= pSrcRect->bottom) return E_FAIL;
810 if(dwFilter == D3DX_DEFAULT) dwFilter = D3DX_FILTER_TRIANGLE | D3DX_FILTER_DITHER;
812 IDirect3DSurface9_GetDesc(pDestSurface, &surfdesc);
814 srcformatdesc = get_format_info(SrcFormat);
815 destformatdesc = get_format_info(surfdesc.Format);
816 if( srcformatdesc->type == FORMAT_UNKNOWN || srcformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;
817 if(destformatdesc->type == FORMAT_UNKNOWN || destformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;
819 srcsize.x = pSrcRect->right - pSrcRect->left;
820 srcsize.y = pSrcRect->bottom - pSrcRect->top;
821 if( !pDestRect ) {
822 destsize.x = surfdesc.Width;
823 destsize.y = surfdesc.Height;
824 } else {
825 if(pDestRect->left > pDestRect->right || pDestRect->right > surfdesc.Width) return D3DERR_INVALIDCALL;
826 if(pDestRect->top > pDestRect->bottom || pDestRect->bottom > surfdesc.Height) return D3DERR_INVALIDCALL;
827 if(pDestRect->left < 0 || pDestRect->top < 0) return D3DERR_INVALIDCALL;
828 destsize.x = pDestRect->right - pDestRect->left;
829 destsize.y = pDestRect->bottom - pDestRect->top;
830 if(destsize.x == 0 || destsize.y == 0) return D3D_OK;
833 hr = IDirect3DSurface9_LockRect(pDestSurface, &lockrect, pDestRect, 0);
834 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
836 if((dwFilter & 0xF) == D3DX_FILTER_NONE) {
837 copy_simple_data(pSrcMemory, SrcPitch, srcsize, srcformatdesc,
838 lockrect.pBits, lockrect.Pitch, destsize, destformatdesc,
839 Colorkey);
840 } else /*if((dwFilter & 0xF) == D3DX_FILTER_POINT) */ {
841 /* always apply a point filter until D3DX_FILTER_LINEAR, D3DX_FILTER_TRIANGLE and D3DX_FILTER_BOX are implemented */
842 point_filter_simple_data(pSrcMemory, SrcPitch, srcsize, srcformatdesc,
843 lockrect.pBits, lockrect.Pitch, destsize, destformatdesc,
844 Colorkey);
847 IDirect3DSurface9_UnlockRect(pDestSurface);
848 return D3D_OK;
851 /************************************************************
852 * D3DXLoadSurfaceFromSurface
854 * Copies the contents from one surface to another, performing any required
855 * format conversion, resizing or filtering.
857 * PARAMS
858 * pDestSurface [I] pointer to the destination surface
859 * pDestPalette [I] palette to use
860 * pDestRect [I] to be filled area of the surface
861 * pSrcSurface [I] pointer to the source surface
862 * pSrcPalette [I] palette used for the source surface
863 * pSrcRect [I] area of the source data to load
864 * dwFilter [I] filter to apply on resizing
865 * Colorkey [I] any ARGB value or 0 to disable color-keying
867 * RETURNS
868 * Success: D3D_OK
869 * Failure: D3DERR_INVALIDCALL, if pDestSurface or pSrcSurface are NULL
870 * D3DXERR_INVALIDDATA, if one of the surfaces is not lockable
873 HRESULT WINAPI D3DXLoadSurfaceFromSurface(LPDIRECT3DSURFACE9 pDestSurface,
874 CONST PALETTEENTRY *pDestPalette,
875 CONST RECT *pDestRect,
876 LPDIRECT3DSURFACE9 pSrcSurface,
877 CONST PALETTEENTRY *pSrcPalette,
878 CONST RECT *pSrcRect,
879 DWORD dwFilter,
880 D3DCOLOR Colorkey)
882 RECT rect;
883 D3DLOCKED_RECT lock;
884 D3DSURFACE_DESC SrcDesc;
885 HRESULT hr;
887 TRACE("(%p, %p, %p, %p, %p, %p, %u, %#x): relay\n", pDestSurface, pDestPalette, pDestRect,
888 pSrcSurface, pSrcPalette, pSrcRect, dwFilter, Colorkey);
890 if( !pDestSurface || !pSrcSurface ) return D3DERR_INVALIDCALL;
892 IDirect3DSurface9_GetDesc(pSrcSurface, &SrcDesc);
894 if( !pSrcRect ) SetRect(&rect, 0, 0, SrcDesc.Width, SrcDesc.Height);
895 else rect = *pSrcRect;
897 hr = IDirect3DSurface9_LockRect(pSrcSurface, &lock, NULL, D3DLOCK_READONLY);
898 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
900 hr = D3DXLoadSurfaceFromMemory(pDestSurface, pDestPalette, pDestRect,
901 lock.pBits, SrcDesc.Format, lock.Pitch,
902 pSrcPalette, &rect, dwFilter, Colorkey);
904 IDirect3DSurface9_UnlockRect(pSrcSurface);
905 return hr;