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"
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
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
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
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;
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;
75 initresult = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
77 hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void**)&factory);
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);
88 GUID container_format;
91 hr = IWICBitmapDecoder_GetContainerFormat(decoder, &container_format);
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;
106 WARN("Unsupported image file format %s\n", debugstr_guid(&container_format));
107 hr = D3DXERR_INVALIDDATA;
112 hr = IWICBitmapDecoder_GetFrameCount(decoder, &frame_count);
113 if (SUCCEEDED(hr) && !frame_count)
114 hr = D3DXERR_INVALIDDATA;
117 IWICBitmapFrameDecode *frame = NULL;
119 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
122 hr = IWICBitmapFrameDecode_GetSize(frame, &info->Width, &info->Height);
125 WICPixelFormatGUID pixel_format;
127 hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &pixel_format);
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;
144 WARN("Unsupported pixel format %s\n", debugstr_guid(&pixel_format));
145 hr = D3DXERR_INVALIDDATA;
151 IWICBitmapFrameDecode_Release(frame);
155 info->ResourceType = D3DRTYPE_TEXTURE;
160 IWICBitmapDecoder_Release(decoder);
162 if (SUCCEEDED(initresult))
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;
174 /************************************************************
175 * D3DXGetImageInfoFromFile
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)
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);
205 HRESULT WINAPI D3DXGetImageInfoFromFileW(LPCWSTR file, D3DXIMAGE_INFO *info)
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);
224 /************************************************************
225 * D3DXGetImageInfoFromResource
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)
237 TRACE("(%p, %s, %p)\n", module, debugstr_a(resource), info);
239 resinfo = FindResourceA(module, resource, (LPCSTR)RT_RCDATA);
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);
252 FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
255 return D3DXERR_INVALIDDATA;
258 HRESULT WINAPI D3DXGetImageInfoFromResourceW(HMODULE module, LPCWSTR resource, D3DXIMAGE_INFO *info)
262 TRACE("(%p, %s, %p)\n", module, debugstr_w(resource), info);
264 resinfo = FindResourceW(module, resource, (LPCWSTR)RT_RCDATA);
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);
277 FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
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.
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
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,
311 CONST RECT *pSrcRect,
314 D3DXIMAGE_INFO *pSrcInfo)
316 D3DXIMAGE_INFO imginfo;
319 IWICImagingFactory *factory;
320 IWICBitmapDecoder *decoder;
321 IWICBitmapFrameDecode *bitmapframe;
324 const PixelFormatDesc *formatdesc;
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);
339 CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
341 if (FAILED(CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void**)&factory)))
344 if (FAILED(IWICImagingFactory_CreateStream(factory, &stream)))
346 IWICImagingFactory_Release(factory);
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);
360 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &bitmapframe);
367 wicrect.X = pSrcRect->left;
368 wicrect.Y = pSrcRect->top;
369 wicrect.Width = pSrcRect->right - pSrcRect->left;
370 wicrect.Height = pSrcRect->bottom - pSrcRect->top;
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;
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);
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);
413 IWICBitmapDecoder_Release(decoder);
419 return D3DXERR_INVALIDDATA;
427 /************************************************************
428 * D3DXLoadSurfaceFromFile
430 HRESULT WINAPI D3DXLoadSurfaceFromFileA(LPDIRECT3DSURFACE9 pDestSurface,
431 CONST PALETTEENTRY *pDestPalette,
432 CONST RECT *pDestRect,
434 CONST RECT *pSrcRect,
437 D3DXIMAGE_INFO *pSrcInfo)
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);
458 HRESULT WINAPI D3DXLoadSurfaceFromFileW(LPDIRECT3DSURFACE9 pDestSurface,
459 CONST PALETTEENTRY *pDestPalette,
460 CONST RECT *pDestRect,
462 CONST RECT *pSrcRect,
465 D3DXIMAGE_INFO *pSrcInfo)
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);
485 /************************************************************
486 * D3DXLoadSurfaceFromResource
488 HRESULT WINAPI D3DXLoadSurfaceFromResourceA(LPDIRECT3DSURFACE9 pDestSurface,
489 CONST PALETTEENTRY *pDestPalette,
490 CONST RECT *pDestRect,
493 CONST RECT *pSrcRect,
496 D3DXIMAGE_INFO *pSrcInfo)
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);
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);
518 FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
521 return D3DXERR_INVALIDDATA;
524 HRESULT WINAPI D3DXLoadSurfaceFromResourceW(LPDIRECT3DSURFACE9 pDestSurface,
525 CONST PALETTEENTRY *pDestPalette,
526 CONST RECT *pDestRect,
529 CONST RECT *pSrcRect,
532 D3DXIMAGE_INFO *pSrcInfo)
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);
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);
554 FIXME("Implement loading bitmaps from resource type RT_BITMAP\n");
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];
574 static void init_argb_conversion_info(CONST PixelFormatDesc *srcformat, CONST PixelFormatDesc *destformat, struct argb_conversion_info *info)
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 static DWORD dword_from_bytes(CONST BYTE *src, UINT bytes_per_pixel)
604 static BOOL fixme_once;
606 if(bytes_per_pixel > sizeof(DWORD)) {
607 if(!fixme_once++) FIXME("Unsupported image: %u bytes per pixel\n", bytes_per_pixel);
608 bytes_per_pixel = sizeof(DWORD);
611 memcpy(&ret, src, bytes_per_pixel);
615 static void dword_to_bytes(BYTE *dst, DWORD dword, UINT bytes_per_pixel)
617 static BOOL fixme_once;
619 if(bytes_per_pixel > sizeof(DWORD)) {
620 if(!fixme_once++) FIXME("Unsupported image: %u bytes per pixel\n", bytes_per_pixel);
621 ZeroMemory(dst, bytes_per_pixel);
622 bytes_per_pixel = sizeof(DWORD);
625 memcpy(dst, &dword, bytes_per_pixel);
628 /************************************************************
629 * get_relevant_argb_components
631 * Extracts the relevant components from the source color and
632 * drops the less significant bits if they aren't used by the destination format.
634 static void get_relevant_argb_components(CONST struct argb_conversion_info *info, CONST DWORD col, DWORD *out)
638 if(info->process_channel[i])
639 out[i] = (col & info->srcmask[i]) >> info->srcshift[i];
642 /************************************************************
645 * Recombines the output of get_relevant_argb_components and converts
646 * it to the destination format.
648 static DWORD make_argb_color(CONST struct argb_conversion_info *info, CONST DWORD *in)
653 for(i = 0;i < 4;i++) {
654 if(info->process_channel[i]) {
655 /* necessary to make sure that e.g. an X4R4G4B4 white maps to an R8G8B8 white instead of 0xf0f0f0 */
657 for(shift = info->destshift[i]; shift > info->destformat->shift[i]; shift -= info->srcformat->bits[i]) val |= in[i] << shift;
658 val |= (in[i] >> (info->destformat->shift[i] - shift)) << info->destformat->shift[i];
661 val |= info->channelmask; /* new channels are set to their maximal value */
665 /************************************************************
668 * Copies the source buffer to the destination buffer, performing
669 * any necessary format conversion and color keying.
670 * Pixels outsize the source rect are blacked out.
671 * Works only for ARGB formats with 1 - 4 bytes per pixel.
673 static void copy_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize,
674 CONST PixelFormatDesc *srcformat,
675 BYTE *dest, UINT destpitch, POINT destsize,
676 CONST PixelFormatDesc *destformat,
679 struct argb_conversion_info conv_info, ck_conv_info;
680 DWORD channels[4], pixel;
681 UINT minwidth, minheight;
684 ZeroMemory(channels, sizeof(channels));
685 init_argb_conversion_info(srcformat, destformat, &conv_info);
687 minwidth = (srcsize.x < destsize.x) ? srcsize.x : destsize.x;
688 minheight = (srcsize.y < destsize.y) ? srcsize.y : destsize.y;
691 /* color keys are always represented in D3DFMT_A8R8G8B8 format */
692 const PixelFormatDesc *ckformatdesc;
694 ckformatdesc = get_format_info(D3DFMT_A8R8G8B8);
695 init_argb_conversion_info(srcformat, ckformatdesc, &ck_conv_info);
698 for(y = 0;y < minheight;y++) {
699 const BYTE *srcptr = src + y * srcpitch;
700 BYTE *destptr = dest + y * destpitch;
703 for(x = 0;x < minwidth;x++) {
704 /* extract source color components */
705 pixel = dword_from_bytes(srcptr, srcformat->bytes_per_pixel);
706 get_relevant_argb_components(&conv_info, pixel, channels);
708 /* recombine the components */
709 val = make_argb_color(&conv_info, channels);
712 get_relevant_argb_components(&ck_conv_info, pixel, channels);
713 pixel = make_argb_color(&ck_conv_info, channels);
714 if(pixel == colorkey)
715 /* make this pixel transparent */
716 val &= ~conv_info.destmask[0];
719 dword_to_bytes(destptr, val, destformat->bytes_per_pixel);
720 srcptr += srcformat->bytes_per_pixel;
721 destptr += destformat->bytes_per_pixel;
724 if(srcsize.x < destsize.x) /* black out remaining pixels */
725 ZeroMemory(destptr, destformat->bytes_per_pixel * (destsize.x - srcsize.x));
727 if(srcsize.y < destsize.y) /* black out remaining pixels */
728 ZeroMemory(dest + srcsize.y * destpitch, destpitch * (destsize.y - srcsize.y));
731 /************************************************************
732 * point_filter_simple_data
734 * Copies the source buffer to the destination buffer, performing
735 * any necessary format conversion, color keying and stretching
736 * using a point filter.
737 * Works only for ARGB formats with 1 - 4 bytes per pixel.
739 static void point_filter_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize,
740 CONST PixelFormatDesc *srcformat,
741 BYTE *dest, UINT destpitch, POINT destsize,
742 CONST PixelFormatDesc *destformat,
745 struct argb_conversion_info conv_info, ck_conv_info;
746 DWORD channels[4], pixel;
750 ZeroMemory(channels, sizeof(channels));
751 init_argb_conversion_info(srcformat, destformat, &conv_info);
754 /* color keys are always represented in D3DFMT_A8R8G8B8 format */
755 const PixelFormatDesc *ckformatdesc;
757 ckformatdesc = get_format_info(D3DFMT_A8R8G8B8);
758 init_argb_conversion_info(srcformat, ckformatdesc, &ck_conv_info);
761 for(y = 0;y < destsize.y;y++) {
762 BYTE *destptr = dest + y * destpitch;
763 const BYTE *bufptr = src + srcpitch * (y * srcsize.y / destsize.y);
765 for(x = 0;x < destsize.x;x++) {
766 const BYTE *srcptr = bufptr + (x * srcsize.x / destsize.x) * srcformat->bytes_per_pixel;
769 /* extract source color components */
770 pixel = dword_from_bytes(srcptr, srcformat->bytes_per_pixel);
771 get_relevant_argb_components(&conv_info, pixel, channels);
773 /* recombine the components */
774 val = make_argb_color(&conv_info, channels);
777 get_relevant_argb_components(&ck_conv_info, pixel, channels);
778 pixel = make_argb_color(&ck_conv_info, channels);
779 if(pixel == colorkey)
780 /* make this pixel transparent */
781 val &= ~conv_info.destmask[0];
784 dword_to_bytes(destptr, val, destformat->bytes_per_pixel);
785 destptr += destformat->bytes_per_pixel;
790 /************************************************************
791 * D3DXLoadSurfaceFromMemory
793 * Loads data from a given memory chunk into a surface,
794 * applying any of the specified filters.
797 * pDestSurface [I] pointer to the surface
798 * pDestPalette [I] palette to use
799 * pDestRect [I] to be filled area of the surface
800 * pSrcMemory [I] pointer to the source data
801 * SrcFormat [I] format of the source pixel data
802 * SrcPitch [I] number of bytes in a row
803 * pSrcPalette [I] palette used in the source image
804 * pSrcRect [I] area of the source data to load
805 * dwFilter [I] filter to apply on stretching
806 * Colorkey [I] colorkey
809 * Success: D3D_OK, if we successfully load the pixel data into our surface or
810 * if pSrcMemory is NULL but the other parameters are valid
811 * Failure: D3DERR_INVALIDCALL, if pDestSurface, SrcPitch or pSrcRect are NULL or
812 * if SrcFormat is an invalid format (other than D3DFMT_UNKNOWN) or
813 * if DestRect is invalid
814 * D3DXERR_INVALIDDATA, if we fail to lock pDestSurface
815 * E_FAIL, if SrcFormat is D3DFMT_UNKNOWN or the dimensions of pSrcRect are invalid
818 * pSrcRect specifies the dimensions of the source data;
819 * negative values for pSrcRect are allowed as we're only looking at the width and height anyway.
822 HRESULT WINAPI D3DXLoadSurfaceFromMemory(LPDIRECT3DSURFACE9 pDestSurface,
823 CONST PALETTEENTRY *pDestPalette,
824 CONST RECT *pDestRect,
828 CONST PALETTEENTRY *pSrcPalette,
829 CONST RECT *pSrcRect,
833 CONST PixelFormatDesc *srcformatdesc, *destformatdesc;
834 D3DSURFACE_DESC surfdesc;
835 D3DLOCKED_RECT lockrect;
836 POINT srcsize, destsize;
839 TRACE("(%p, %p, %p, %p, %x, %u, %p, %p %u, %#x)\n", pDestSurface, pDestPalette, pDestRect, pSrcMemory,
840 SrcFormat, SrcPitch, pSrcPalette, pSrcRect, dwFilter, Colorkey);
842 if( !pDestSurface || !pSrcMemory || !pSrcRect ) return D3DERR_INVALIDCALL;
843 if(SrcFormat == D3DFMT_UNKNOWN || pSrcRect->left >= pSrcRect->right || pSrcRect->top >= pSrcRect->bottom) return E_FAIL;
845 if(dwFilter == D3DX_DEFAULT) dwFilter = D3DX_FILTER_TRIANGLE | D3DX_FILTER_DITHER;
847 IDirect3DSurface9_GetDesc(pDestSurface, &surfdesc);
849 srcformatdesc = get_format_info(SrcFormat);
850 destformatdesc = get_format_info(surfdesc.Format);
851 if( srcformatdesc->type == FORMAT_UNKNOWN || srcformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;
852 if(destformatdesc->type == FORMAT_UNKNOWN || destformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;
854 srcsize.x = pSrcRect->right - pSrcRect->left;
855 srcsize.y = pSrcRect->bottom - pSrcRect->top;
857 destsize.x = surfdesc.Width;
858 destsize.y = surfdesc.Height;
860 if(pDestRect->left > pDestRect->right || pDestRect->right > surfdesc.Width) return D3DERR_INVALIDCALL;
861 if(pDestRect->top > pDestRect->bottom || pDestRect->bottom > surfdesc.Height) return D3DERR_INVALIDCALL;
862 if(pDestRect->left < 0 || pDestRect->top < 0) return D3DERR_INVALIDCALL;
863 destsize.x = pDestRect->right - pDestRect->left;
864 destsize.y = pDestRect->bottom - pDestRect->top;
865 if(destsize.x == 0 || destsize.y == 0) return D3D_OK;
868 hr = IDirect3DSurface9_LockRect(pDestSurface, &lockrect, pDestRect, 0);
869 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
871 if((dwFilter & 0xF) == D3DX_FILTER_NONE) {
872 copy_simple_data(pSrcMemory, SrcPitch, srcsize, srcformatdesc,
873 lockrect.pBits, lockrect.Pitch, destsize, destformatdesc,
875 } else /*if((dwFilter & 0xF) == D3DX_FILTER_POINT) */ {
876 /* always apply a point filter until D3DX_FILTER_LINEAR, D3DX_FILTER_TRIANGLE and D3DX_FILTER_BOX are implemented */
877 point_filter_simple_data(pSrcMemory, SrcPitch, srcsize, srcformatdesc,
878 lockrect.pBits, lockrect.Pitch, destsize, destformatdesc,
882 IDirect3DSurface9_UnlockRect(pDestSurface);
886 /************************************************************
887 * D3DXLoadSurfaceFromSurface
889 * Copies the contents from one surface to another, performing any required
890 * format conversion, resizing or filtering.
893 * pDestSurface [I] pointer to the destination surface
894 * pDestPalette [I] palette to use
895 * pDestRect [I] to be filled area of the surface
896 * pSrcSurface [I] pointer to the source surface
897 * pSrcPalette [I] palette used for the source surface
898 * pSrcRect [I] area of the source data to load
899 * dwFilter [I] filter to apply on resizing
900 * Colorkey [I] any ARGB value or 0 to disable color-keying
904 * Failure: D3DERR_INVALIDCALL, if pDestSurface or pSrcSurface are NULL
905 * D3DXERR_INVALIDDATA, if one of the surfaces is not lockable
908 HRESULT WINAPI D3DXLoadSurfaceFromSurface(LPDIRECT3DSURFACE9 pDestSurface,
909 CONST PALETTEENTRY *pDestPalette,
910 CONST RECT *pDestRect,
911 LPDIRECT3DSURFACE9 pSrcSurface,
912 CONST PALETTEENTRY *pSrcPalette,
913 CONST RECT *pSrcRect,
919 D3DSURFACE_DESC SrcDesc;
922 TRACE("(%p, %p, %p, %p, %p, %p, %u, %#x): relay\n", pDestSurface, pDestPalette, pDestRect,
923 pSrcSurface, pSrcPalette, pSrcRect, dwFilter, Colorkey);
925 if( !pDestSurface || !pSrcSurface ) return D3DERR_INVALIDCALL;
927 IDirect3DSurface9_GetDesc(pSrcSurface, &SrcDesc);
929 if( !pSrcRect ) SetRect(&rect, 0, 0, SrcDesc.Width, SrcDesc.Height);
930 else rect = *pSrcRect;
932 hr = IDirect3DSurface9_LockRect(pSrcSurface, &lock, NULL, D3DLOCK_READONLY);
933 if(FAILED(hr)) return D3DXERR_INVALIDDATA;
935 hr = D3DXLoadSurfaceFromMemory(pDestSurface, pDestPalette, pDestRect,
936 lock.pBits, SrcDesc.Format, lock.Pitch,
937 pSrcPalette, &rect, dwFilter, Colorkey);
939 IDirect3DSurface9_UnlockRect(pSrcSurface);
944 HRESULT WINAPI D3DXSaveSurfaceToFileA(LPCSTR pDestFile, D3DXIMAGE_FILEFORMAT DestFormat,
945 LPDIRECT3DSURFACE9 pSrcSurface, const PALETTEENTRY* pSrcPalette, const RECT* pSrcRect)
947 FIXME("(%p, %d, %p, %p, %p): stub\n", pDestFile, DestFormat, pSrcSurface, pSrcPalette, pSrcRect);
948 return D3DERR_INVALIDCALL;
951 HRESULT WINAPI D3DXSaveSurfaceToFileW(LPCWSTR pDestFile, D3DXIMAGE_FILEFORMAT DestFormat,
952 LPDIRECT3DSURFACE9 pSrcSurface, const PALETTEENTRY* pSrcPalette, const RECT* pSrcRect)
954 FIXME("(%p, %d, %p, %p, %p): stub\n", pDestFile, DestFormat, pSrcSurface, pSrcPalette, pSrcRect);
955 return D3DERR_INVALIDCALL;