/* * Copyright (C) 2009 Tony Wasserka * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * */ #include "wine/debug.h" #include "wine/unicode.h" #include "d3dx9_36_private.h" #include "initguid.h" #include "wincodec.h" WINE_DEFAULT_DEBUG_CHANNEL(d3dx); /************************************************************ * D3DXGetImageInfoFromFileInMemory * * Fills a D3DXIMAGE_INFO structure with info about an image * * PARAMS * data [I] pointer to the image file data * datasize [I] size of the passed data * info [O] pointer to the destination structure * * RETURNS * Success: D3D_OK, if info is not NULL and data and datasize make up a valid image file or * if info is NULL and data and datasize are not NULL * Failure: D3DXERR_INVALIDDATA, if data is no valid image file and datasize and info are not NULL * D3DERR_INVALIDCALL, if data is NULL or * if datasize is 0 * * NOTES * datasize may be bigger than the actual file size * */ HRESULT WINAPI D3DXGetImageInfoFromFileInMemory(LPCVOID data, UINT datasize, D3DXIMAGE_INFO *info) { IWICImagingFactory *factory; IWICBitmapDecoder *decoder = NULL; IWICStream *stream; HRESULT hr; HRESULT initresult; FIXME("(%p, %d, %p): partially implemented\n", data, datasize, info); /* TODO: Add support for (or at least detect) TGA, DDS, PPM and DIB */ if (!data || !datasize) return D3DERR_INVALIDCALL; if (!info) return D3D_OK; initresult = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED); hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void**)&factory); if (SUCCEEDED(hr)) { IWICImagingFactory_CreateStream(factory, &stream); IWICStream_InitializeFromMemory(stream, (BYTE*)data, datasize); hr = IWICImagingFactory_CreateDecoderFromStream(factory, (IStream*)stream, NULL, 0, &decoder); IStream_Release(stream); IWICImagingFactory_Release(factory); } if (SUCCEEDED(hr)) { GUID container_format; UINT frame_count; hr = IWICBitmapDecoder_GetContainerFormat(decoder, &container_format); if (SUCCEEDED(hr)) { if (IsEqualGUID(&container_format, &GUID_ContainerFormatBmp)) { TRACE("File type is BMP\n"); info->ImageFileFormat = D3DXIFF_BMP; } else if (IsEqualGUID(&container_format, &GUID_ContainerFormatPng)) { TRACE("File type is PNG\n"); info->ImageFileFormat = D3DXIFF_PNG; } else if(IsEqualGUID(&container_format, &GUID_ContainerFormatJpeg)) { TRACE("File type is JPG\n"); info->ImageFileFormat = D3DXIFF_JPG; } else { WARN("Unsupported image file format %s\n", debugstr_guid(&container_format)); hr = D3DXERR_INVALIDDATA; } } if (SUCCEEDED(hr)) hr = IWICBitmapDecoder_GetFrameCount(decoder, &frame_count); if (SUCCEEDED(hr) && !frame_count) hr = D3DXERR_INVALIDDATA; if (SUCCEEDED(hr)) { IWICBitmapFrameDecode *frame = NULL; hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame); if (SUCCEEDED(hr)) hr = IWICBitmapFrameDecode_GetSize(frame, &info->Width, &info->Height); if (SUCCEEDED(hr)) { WICPixelFormatGUID pixel_format; hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &pixel_format); if (SUCCEEDED(hr)) { if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat1bppIndexed)) info->Format = D3DFMT_L8; else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat4bppIndexed)) info->Format = D3DFMT_L8; else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat8bppIndexed)) info->Format = D3DFMT_L8; else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat16bppBGR555)) info->Format = D3DFMT_X1R5G5B5; else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat24bppBGR)) info->Format = D3DFMT_R8G8B8; else if (IsEqualGUID(&pixel_format, &GUID_WICPixelFormat32bppBGR)) info->Format = D3DFMT_X8R8G8B8; else { WARN("Unsupported pixel format %s\n", debugstr_guid(&pixel_format)); hr = D3DXERR_INVALIDDATA; } } } if (frame) IWICBitmapFrameDecode_Release(frame); info->Depth = 1; info->MipLevels = 1; info->ResourceType = D3DRTYPE_TEXTURE; } } if (decoder) IWICBitmapDecoder_Release(decoder); if (SUCCEEDED(initresult)) CoUninitialize(); if (FAILED(hr)) { /* Missing formats are not detected yet and will fail silently without the FIXME */ FIXME("Invalid or unsupported image file\n"); return D3DXERR_INVALIDDATA; } return D3D_OK; } /************************************************************ * D3DXGetImageInfoFromFile * * RETURNS * Success: D3D_OK, if we successfully load a valid image file or * if we successfully load a file which is no valid image and info is NULL * Failure: D3DXERR_INVALIDDATA, if we fail to load file or * if file is not a valid image file and info is not NULL * D3DERR_INVALIDCALL, if file is NULL * */ HRESULT WINAPI D3DXGetImageInfoFromFileA(LPCSTR file, D3DXIMAGE_INFO *info) { LPWSTR widename; HRESULT hr; int strlength; TRACE("(%s, %p): relay\n", debugstr_a(file), info); if( !file ) return D3DERR_INVALIDCALL; strlength = MultiByteToWideChar(CP_ACP, 0, file, -1, NULL, 0); widename = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlength * sizeof(WCHAR)); MultiByteToWideChar(CP_ACP, 0, file, -1, widename, strlength); hr = D3DXGetImageInfoFromFileW(widename, info); HeapFree(GetProcessHeap(), 0, widename); return hr; } HRESULT WINAPI D3DXGetImageInfoFromFileW(LPCWSTR file, D3DXIMAGE_INFO *info) { HRESULT hr; DWORD size; LPVOID buffer; TRACE("(%s, %p): relay\n", debugstr_w(file), info); if( !file ) return D3DERR_INVALIDCALL; hr = map_view_of_file(file, &buffer, &size); if(FAILED(hr)) return D3DXERR_INVALIDDATA; hr = D3DXGetImageInfoFromFileInMemory(buffer, size, info); UnmapViewOfFile(buffer); return hr; } /************************************************************ * D3DXGetImageInfoFromResource * * RETURNS * Success: D3D_OK, if resource is a valid image file * Failure: D3DXERR_INVALIDDATA, if resource is no valid image file or NULL or * if we fail to load resource * */ HRESULT WINAPI D3DXGetImageInfoFromResourceA(HMODULE module, LPCSTR resource, D3DXIMAGE_INFO *info) { HRSRC resinfo; TRACE("(%p, %s, %p)\n", module, debugstr_a(resource), info); resinfo = FindResourceA(module, resource, (LPCSTR)RT_RCDATA); if(resinfo) { LPVOID buffer; HRESULT hr; DWORD size; hr = load_resource_into_memory(module, resinfo, &buffer, &size); if(FAILED(hr)) return D3DXERR_INVALIDDATA; return D3DXGetImageInfoFromFileInMemory(buffer, size, info); } resinfo = FindResourceA(module, resource, (LPCSTR)RT_BITMAP); if(resinfo) { FIXME("Implement loading bitmaps from resource type RT_BITMAP\n"); return E_NOTIMPL; } return D3DXERR_INVALIDDATA; } HRESULT WINAPI D3DXGetImageInfoFromResourceW(HMODULE module, LPCWSTR resource, D3DXIMAGE_INFO *info) { HRSRC resinfo; TRACE("(%p, %s, %p)\n", module, debugstr_w(resource), info); resinfo = FindResourceW(module, resource, (LPCWSTR)RT_RCDATA); if(resinfo) { LPVOID buffer; HRESULT hr; DWORD size; hr = load_resource_into_memory(module, resinfo, &buffer, &size); if(FAILED(hr)) return D3DXERR_INVALIDDATA; return D3DXGetImageInfoFromFileInMemory(buffer, size, info); } resinfo = FindResourceW(module, resource, (LPCWSTR)RT_BITMAP); if(resinfo) { FIXME("Implement loading bitmaps from resource type RT_BITMAP\n"); return E_NOTIMPL; } return D3DXERR_INVALIDDATA; } /************************************************************ * D3DXLoadSurfaceFromFileInMemory * * Loads data from a given buffer into a surface and fills a given * D3DXIMAGE_INFO structure with info about the source data. * * PARAMS * pDestSurface [I] pointer to the surface * pDestPalette [I] palette to use * pDestRect [I] to be filled area of the surface * pSrcData [I] pointer to the source data * SrcDataSize [I] size of the source data in bytes * pSrcRect [I] area of the source data to load * dwFilter [I] filter to apply on stretching * Colorkey [I] colorkey * pSrcInfo [O] pointer to a D3DXIMAGE_INFO structure * * RETURNS * Success: D3D_OK * Failure: D3DERR_INVALIDCALL, if pDestSurface or pSrcData or SrcDataSize are NULL * D3DXERR_INVALIDDATA, if pSrcData is no valid image file * */ HRESULT WINAPI D3DXLoadSurfaceFromFileInMemory(LPDIRECT3DSURFACE9 pDestSurface, CONST PALETTEENTRY *pDestPalette, CONST RECT *pDestRect, LPCVOID pSrcData, UINT SrcDataSize, CONST RECT *pSrcRect, DWORD dwFilter, D3DCOLOR Colorkey, D3DXIMAGE_INFO *pSrcInfo) { FIXME("(%p, %p, %p, %p, %d, %p, %d, %x, %p): stub\n", pDestSurface, pDestPalette, pDestRect, pSrcData, SrcDataSize, pSrcRect, dwFilter, Colorkey, pSrcInfo); if( !pDestSurface || !pSrcData | !SrcDataSize ) return D3DERR_INVALIDCALL; return E_NOTIMPL; } /************************************************************ * D3DXLoadSurfaceFromFile */ HRESULT WINAPI D3DXLoadSurfaceFromFileA(LPDIRECT3DSURFACE9 pDestSurface, CONST PALETTEENTRY *pDestPalette, CONST RECT *pDestRect, LPCSTR pSrcFile, CONST RECT *pSrcRect, DWORD dwFilter, D3DCOLOR Colorkey, D3DXIMAGE_INFO *pSrcInfo) { LPWSTR pWidename; HRESULT hr; int strlength; TRACE("(%p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, debugstr_a(pSrcFile), pSrcRect, dwFilter, Colorkey, pSrcInfo); if( !pSrcFile || !pDestSurface ) return D3DERR_INVALIDCALL; strlength = MultiByteToWideChar(CP_ACP, 0, pSrcFile, -1, NULL, 0); pWidename = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlength * sizeof(WCHAR)); MultiByteToWideChar(CP_ACP, 0, pSrcFile, -1, pWidename, strlength); hr = D3DXLoadSurfaceFromFileW(pDestSurface, pDestPalette, pDestRect, pWidename, pSrcRect, dwFilter, Colorkey, pSrcInfo); HeapFree(GetProcessHeap(), 0, pWidename); return hr; } HRESULT WINAPI D3DXLoadSurfaceFromFileW(LPDIRECT3DSURFACE9 pDestSurface, CONST PALETTEENTRY *pDestPalette, CONST RECT *pDestRect, LPCWSTR pSrcFile, CONST RECT *pSrcRect, DWORD Filter, D3DCOLOR Colorkey, D3DXIMAGE_INFO *pSrcInfo) { HRESULT hr; DWORD dwSize; LPVOID pBuffer; TRACE("(%p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, debugstr_w(pSrcFile), pSrcRect, Filter, Colorkey, pSrcInfo); if( !pSrcFile || !pDestSurface ) return D3DERR_INVALIDCALL; hr = map_view_of_file(pSrcFile, &pBuffer, &dwSize); if(FAILED(hr)) return D3DXERR_INVALIDDATA; hr = D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, Filter, Colorkey, pSrcInfo); UnmapViewOfFile(pBuffer); return hr; } /************************************************************ * D3DXLoadSurfaceFromResource */ HRESULT WINAPI D3DXLoadSurfaceFromResourceA(LPDIRECT3DSURFACE9 pDestSurface, CONST PALETTEENTRY *pDestPalette, CONST RECT *pDestRect, HMODULE hSrcModule, LPCSTR pResource, CONST RECT *pSrcRect, DWORD dwFilter, D3DCOLOR Colorkey, D3DXIMAGE_INFO *pSrcInfo) { HRSRC hResInfo; TRACE("(%p, %p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, hSrcModule, debugstr_a(pResource), pSrcRect, dwFilter, Colorkey, pSrcInfo); if( !pDestSurface ) return D3DERR_INVALIDCALL; hResInfo = FindResourceA(hSrcModule, pResource, (LPCSTR)RT_RCDATA); if(hResInfo) { LPVOID pBuffer; HRESULT hr; DWORD dwSize; hr = load_resource_into_memory(hSrcModule, hResInfo, &pBuffer, &dwSize); if(FAILED(hr)) return D3DXERR_INVALIDDATA; return D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, dwFilter, Colorkey, pSrcInfo); } hResInfo = FindResourceA(hSrcModule, pResource, (LPCSTR)RT_BITMAP); if(hResInfo) { FIXME("Implement loading bitmaps from resource type RT_BITMAP\n"); return E_NOTIMPL; } return D3DXERR_INVALIDDATA; } HRESULT WINAPI D3DXLoadSurfaceFromResourceW(LPDIRECT3DSURFACE9 pDestSurface, CONST PALETTEENTRY *pDestPalette, CONST RECT *pDestRect, HMODULE hSrcModule, LPCWSTR pResource, CONST RECT *pSrcRect, DWORD dwFilter, D3DCOLOR Colorkey, D3DXIMAGE_INFO *pSrcInfo) { HRSRC hResInfo; TRACE("(%p, %p, %p, %p, %s, %p, %u, %#x, %p): relay\n", pDestSurface, pDestPalette, pDestRect, hSrcModule, debugstr_w(pResource), pSrcRect, dwFilter, Colorkey, pSrcInfo); if( !pDestSurface ) return D3DERR_INVALIDCALL; hResInfo = FindResourceW(hSrcModule, pResource, (LPCWSTR)RT_RCDATA); if(hResInfo) { LPVOID pBuffer; HRESULT hr; DWORD dwSize; hr = load_resource_into_memory(hSrcModule, hResInfo, &pBuffer, &dwSize); if(FAILED(hr)) return D3DXERR_INVALIDDATA; return D3DXLoadSurfaceFromFileInMemory(pDestSurface, pDestPalette, pDestRect, pBuffer, dwSize, pSrcRect, dwFilter, Colorkey, pSrcInfo); } hResInfo = FindResourceW(hSrcModule, pResource, (LPCWSTR)RT_BITMAP); if(hResInfo) { FIXME("Implement loading bitmaps from resource type RT_BITMAP\n"); return E_NOTIMPL; } return D3DXERR_INVALIDDATA; } /************************************************************ * copy_simple_data * * Copies the source buffer to the destination buffer, performing * any necessary format conversion and color keying. * Works only for ARGB formats with 1 - 4 bytes per pixel. */ static void copy_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize, CONST PixelFormatDesc *srcformat, CONST BYTE *dest, UINT destpitch, POINT destsize, CONST PixelFormatDesc *destformat, DWORD dwFilter) { DWORD srcshift[4], destshift[4]; DWORD srcmask[4], destmask[4]; BOOL process_channel[4]; DWORD channels[4]; DWORD channelmask = 0; UINT minwidth, minheight; BYTE *srcptr, *destptr; UINT i, x, y; ZeroMemory(channels, sizeof(channels)); ZeroMemory(process_channel, sizeof(process_channel)); for(i = 0;i < 4;i++) { /* srcshift is used to extract the _relevant_ components */ srcshift[i] = srcformat->shift[i] + max( srcformat->bits[i] - destformat->bits[i], 0); /* destshift is used to move the components to the correct position */ destshift[i] = destformat->shift[i] + max(destformat->bits[i] - srcformat->bits[i], 0); srcmask[i] = ((1 << srcformat->bits[i]) - 1) << srcformat->shift[i]; destmask[i] = ((1 << destformat->bits[i]) - 1) << destformat->shift[i]; /* channelmask specifies bits which aren't used in the source format but in the destination one */ if(destformat->bits[i]) { if(srcformat->bits[i]) process_channel[i] = TRUE; else channelmask |= destmask[i]; } } minwidth = (srcsize.x < destsize.x) ? srcsize.x : destsize.x; minheight = (srcsize.y < destsize.y) ? srcsize.y : destsize.y; for(y = 0;y < minheight;y++) { srcptr = (BYTE*)( src + y * srcpitch); destptr = (BYTE*)(dest + y * destpitch); for(x = 0;x < minwidth;x++) { /* extract source color components */ if(srcformat->type == FORMAT_ARGB) { const DWORD col = *(DWORD*)srcptr; for(i = 0;i < 4;i++) if(process_channel[i]) channels[i] = (col & srcmask[i]) >> srcshift[i]; } /* recombine the components */ if(destformat->type == FORMAT_ARGB) { DWORD* const pixel = (DWORD*)destptr; *pixel = 0; for(i = 0;i < 4;i++) { if(process_channel[i]) { /* necessary to make sure that e.g. an X4R4G4B4 white maps to an R8G8B8 white instead of 0xf0f0f0 */ signed int shift; for(shift = destshift[i]; shift > destformat->shift[i]; shift -= srcformat->bits[i]) *pixel |= channels[i] << shift; *pixel |= (channels[i] >> (destformat->shift[i] - shift)) << destformat->shift[i]; } } *pixel |= channelmask; /* new channels are set to their maximal value */ } srcptr += srcformat->bytes_per_pixel; destptr += destformat->bytes_per_pixel; } } } /************************************************************ * D3DXLoadSurfaceFromMemory * * Loads data from a given memory chunk into a surface, * applying any of the specified filters. * * PARAMS * pDestSurface [I] pointer to the surface * pDestPalette [I] palette to use * pDestRect [I] to be filled area of the surface * pSrcMemory [I] pointer to the source data * SrcFormat [I] format of the source pixel data * SrcPitch [I] number of bytes in a row * pSrcPalette [I] palette used in the source image * pSrcRect [I] area of the source data to load * dwFilter [I] filter to apply on stretching * Colorkey [I] colorkey * * RETURNS * Success: D3D_OK, if we successfully load the pixel data into our surface or * if pSrcMemory is NULL but the other parameters are valid * Failure: D3DERR_INVALIDCALL, if pDestSurface, SrcPitch or pSrcRect are NULL or * if SrcFormat is an invalid format (other than D3DFMT_UNKNOWN) * D3DXERR_INVALIDDATA, if we fail to lock pDestSurface * E_FAIL, if SrcFormat is D3DFMT_UNKNOWN or the dimensions of pSrcRect are invalid * * NOTES * pSrcRect specifies the dimensions of the source data; * negative values for pSrcRect are allowed as we're only looking at the width and height anyway. * */ HRESULT WINAPI D3DXLoadSurfaceFromMemory(LPDIRECT3DSURFACE9 pDestSurface, CONST PALETTEENTRY *pDestPalette, CONST RECT *pDestRect, LPCVOID pSrcMemory, D3DFORMAT SrcFormat, UINT SrcPitch, CONST PALETTEENTRY *pSrcPalette, CONST RECT *pSrcRect, DWORD dwFilter, D3DCOLOR Colorkey) { CONST PixelFormatDesc *srcformatdesc, *destformatdesc; D3DSURFACE_DESC surfdesc; D3DLOCKED_RECT lockrect; POINT srcsize, destsize; HRESULT hr; TRACE("(%p, %p, %p, %p, %x, %u, %p, %p %u, %#x)\n", pDestSurface, pDestPalette, pDestRect, pSrcMemory, SrcFormat, SrcPitch, pSrcPalette, pSrcRect, dwFilter, Colorkey); if( !pDestSurface || !pSrcMemory || !pSrcRect ) return D3DERR_INVALIDCALL; if(SrcFormat == D3DFMT_UNKNOWN || pSrcRect->left >= pSrcRect->right || pSrcRect->top >= pSrcRect->bottom) return E_FAIL; if(dwFilter != D3DX_FILTER_NONE) return E_NOTIMPL; IDirect3DSurface9_GetDesc(pDestSurface, &surfdesc); srcformatdesc = get_format_info(SrcFormat); destformatdesc = get_format_info(surfdesc.Format); if( srcformatdesc->type == FORMAT_UNKNOWN || srcformatdesc->bytes_per_pixel > 4) return E_NOTIMPL; if(destformatdesc->type == FORMAT_UNKNOWN || destformatdesc->bytes_per_pixel > 4) return E_NOTIMPL; srcsize.x = pSrcRect->right - pSrcRect->left; srcsize.y = pSrcRect->bottom - pSrcRect->top; if( !pDestRect ) { destsize.x = surfdesc.Width; destsize.y = surfdesc.Height; } else { destsize.x = pDestRect->right - pDestRect->left; destsize.y = pDestRect->bottom - pDestRect->top; } hr = IDirect3DSurface9_LockRect(pDestSurface, &lockrect, pDestRect, 0); if(FAILED(hr)) return D3DXERR_INVALIDDATA; copy_simple_data((CONST BYTE*)pSrcMemory, SrcPitch, srcsize, srcformatdesc, (CONST BYTE*)lockrect.pBits, lockrect.Pitch, destsize, destformatdesc, dwFilter); IDirect3DSurface9_UnlockRect(pDestSurface); return D3D_OK; } /************************************************************ * D3DXLoadSurfaceFromSurface * * Copies the contents from one surface to another, performing any required * format conversion, resizing or filtering. * * PARAMS * pDestSurface [I] pointer to the destination surface * pDestPalette [I] palette to use * pDestRect [I] to be filled area of the surface * pSrcSurface [I] pointer to the source surface * pSrcPalette [I] palette used for the source surface * pSrcRect [I] area of the source data to load * dwFilter [I] filter to apply on resizing * Colorkey [I] any ARGB value or 0 to disable color-keying * * RETURNS * Success: D3D_OK * Failure: D3DERR_INVALIDCALL, if pDestSurface or pSrcSurface are NULL * D3DXERR_INVALIDDATA, if one of the surfaces is not lockable * */ HRESULT WINAPI D3DXLoadSurfaceFromSurface(LPDIRECT3DSURFACE9 pDestSurface, CONST PALETTEENTRY *pDestPalette, CONST RECT *pDestRect, LPDIRECT3DSURFACE9 pSrcSurface, CONST PALETTEENTRY *pSrcPalette, CONST RECT *pSrcRect, DWORD dwFilter, D3DCOLOR Colorkey) { RECT rect; D3DLOCKED_RECT lock; D3DSURFACE_DESC SrcDesc; HRESULT hr; TRACE("(%p, %p, %p, %p, %p, %p, %u, %#x): relay\n", pDestSurface, pDestPalette, pDestRect, pSrcSurface, pSrcPalette, pSrcRect, dwFilter, Colorkey); if( !pDestSurface || !pSrcSurface ) return D3DERR_INVALIDCALL; IDirect3DSurface9_GetDesc(pSrcSurface, &SrcDesc); if( !pSrcRect ) SetRect(&rect, 0, 0, SrcDesc.Width, SrcDesc.Height); else rect = *pSrcRect; hr = IDirect3DSurface9_LockRect(pSrcSurface, &lock, NULL, D3DLOCK_READONLY); if(FAILED(hr)) return D3DXERR_INVALIDDATA; hr = D3DXLoadSurfaceFromMemory(pDestSurface, pDestPalette, pDestRect, lock.pBits, SrcDesc.Format, lock.Pitch, pSrcPalette, &rect, dwFilter, Colorkey); IDirect3DSurface9_UnlockRect(pSrcSurface); return hr; }