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//-------------------------------------------------------------------------------------- // File: DDSTextureLoader.cpp // // Function for loading a DDS texture and creating a Direct3D 11 runtime resource for it // // Note these functions are useful as a light-weight runtime loader for DDS files. For // a full-featured DDS file reader, writer, and texture processing pipeline see // the 'Texconv' sample and the 'DirectXTex' library. // // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF // ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO // THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A // PARTICULAR PURPOSE. // // Copyright (c) Microsoft Corporation. All rights reserved. // // http://go.microsoft.com/fwlink/?LinkId=248926 // http://go.microsoft.com/fwlink/?LinkId=248929 //-------------------------------------------------------------------------------------- #include <pch.h> #include <dxgiformat.h> #include <assert.h> #include <algorithm> #include <memory> #include "DDSTextureLoader.h" #if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/) && !defined(DXGI_1_2_FORMATS) #define DXGI_1_2_FORMATS #endif #if defined(_DEBUG) || defined(PROFILE) #pragma comment(lib,"dxguid.lib") #endif //-------------------------------------------------------------------------------------- // Macros //-------------------------------------------------------------------------------------- #ifndef MAKEFOURCC #define MAKEFOURCC(ch0, ch1, ch2, ch3) \ ((uint32_t)(uint8_t)(ch0) | ((uint32_t)(uint8_t)(ch1) << 8) | \ ((uint32_t)(uint8_t)(ch2) << 16) | ((uint32_t)(uint8_t)(ch3) << 24 )) #endif /* defined(MAKEFOURCC) */ //-------------------------------------------------------------------------------------- // DDS file structure definitions // // See DDS.h in the 'Texconv' sample and the 'DirectXTex' library //-------------------------------------------------------------------------------------- #pragma pack(push,1) #define DDS_MAGIC 0x20534444 // "DDS " struct DDS_PIXELFORMAT { uint32_t size; uint32_t flags; uint32_t fourCC; uint32_t RGBBitCount; uint32_t RBitMask; uint32_t GBitMask; uint32_t BBitMask; uint32_t ABitMask; }; #define DDS_FOURCC 0x00000004 // DDPF_FOURCC #define DDS_RGB 0x00000040 // DDPF_RGB #define DDS_RGBA 0x00000041 // DDPF_RGB | DDPF_ALPHAPIXELS #define DDS_LUMINANCE 0x00020000 // DDPF_LUMINANCE #define DDS_LUMINANCEA 0x00020001 // DDPF_LUMINANCE | DDPF_ALPHAPIXELS #define DDS_ALPHA 0x00000002 // DDPF_ALPHA #define DDS_PAL8 0x00000020 // DDPF_PALETTEINDEXED8 #define DDS_HEADER_FLAGS_TEXTURE 0x00001007 // DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT #define DDS_HEADER_FLAGS_MIPMAP 0x00020000 // DDSD_MIPMAPCOUNT #define DDS_HEADER_FLAGS_VOLUME 0x00800000 // DDSD_DEPTH #define DDS_HEADER_FLAGS_PITCH 0x00000008 // DDSD_PITCH #define DDS_HEADER_FLAGS_LINEARSIZE 0x00080000 // DDSD_LINEARSIZE #define DDS_HEIGHT 0x00000002 // DDSD_HEIGHT #define DDS_WIDTH 0x00000004 // DDSD_WIDTH #define DDS_SURFACE_FLAGS_TEXTURE 0x00001000 // DDSCAPS_TEXTURE #define DDS_SURFACE_FLAGS_MIPMAP 0x00400008 // DDSCAPS_COMPLEX | DDSCAPS_MIPMAP #define DDS_SURFACE_FLAGS_CUBEMAP 0x00000008 // DDSCAPS_COMPLEX #define DDS_CUBEMAP_POSITIVEX 0x00000600 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEX #define DDS_CUBEMAP_NEGATIVEX 0x00000a00 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEX #define DDS_CUBEMAP_POSITIVEY 0x00001200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEY #define DDS_CUBEMAP_NEGATIVEY 0x00002200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEY #define DDS_CUBEMAP_POSITIVEZ 0x00004200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEZ #define DDS_CUBEMAP_NEGATIVEZ 0x00008200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEZ #define DDS_CUBEMAP_ALLFACES ( DDS_CUBEMAP_POSITIVEX | DDS_CUBEMAP_NEGATIVEX |\ DDS_CUBEMAP_POSITIVEY | DDS_CUBEMAP_NEGATIVEY |\ DDS_CUBEMAP_POSITIVEZ | DDS_CUBEMAP_NEGATIVEZ ) #define DDS_CUBEMAP 0x00000200 // DDSCAPS2_CUBEMAP #define DDS_FLAGS_VOLUME 0x00200000 // DDSCAPS2_VOLUME typedef struct { uint32_t size; uint32_t flags; uint32_t height; uint32_t width; uint32_t pitchOrLinearSize; uint32_t depth; // only if DDS_HEADER_FLAGS_VOLUME is set in flags uint32_t mipMapCount; uint32_t reserved1[11]; DDS_PIXELFORMAT ddspf; uint32_t caps; uint32_t caps2; uint32_t caps3; uint32_t caps4; uint32_t reserved2; } DDS_HEADER; typedef struct { DXGI_FORMAT dxgiFormat; uint32_t resourceDimension; uint32_t miscFlag; // see D3D11_RESOURCE_MISC_FLAG uint32_t arraySize; uint32_t reserved; } DDS_HEADER_DXT10; #pragma pack(pop) //--------------------------------------------------------------------------------- struct handle_closer { void operator()(HANDLE h) { if (h) CloseHandle(h); } }; typedef public std::unique_ptr<void, handle_closer> ScopedHandle; inline HANDLE safe_handle( HANDLE h ) { return (h == INVALID_HANDLE_VALUE) ? 0 : h; } //-------------------------------------------------------------------------------------- template<UINT TNameLength> inline void SetDebugObjectName(_In_ ID3D11DeviceChild* resource, _In_ const char (&name)[TNameLength]) { #if defined(_DEBUG) || defined(PROFILE) resource->SetPrivateData(WKPDID_D3DDebugObjectName, TNameLength - 1, name); #endif } //-------------------------------------------------------------------------------------- static HRESULT LoadTextureDataFromFile( _In_z_ const wchar_t* fileName, std::unique_ptr<uint8_t[]>& ddsData, DDS_HEADER** header, uint8_t** bitData, size_t* bitSize ) { if (!header || !bitData || !bitSize) { return E_POINTER; } // open the file #if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/) ScopedHandle hFile( safe_handle( CreateFile2( fileName, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, nullptr ) ) ); #else ScopedHandle hFile( safe_handle( CreateFileW( fileName, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr ) ) ); #endif if ( !hFile ) { return HRESULT_FROM_WIN32( GetLastError() ); } // Get the file size LARGE_INTEGER FileSize = { 0 }; #if (_WIN32_WINNT >= _WIN32_WINNT_VISTA) FILE_STANDARD_INFO fileInfo; if ( !GetFileInformationByHandleEx( hFile.get(), FileStandardInfo, &fileInfo, sizeof(fileInfo) ) ) { return HRESULT_FROM_WIN32( GetLastError() ); } FileSize = fileInfo.EndOfFile; #else GetFileSizeEx( hFile.get(), &FileSize ); #endif // File is too big for 32-bit allocation, so reject read if (FileSize.HighPart > 0) { return E_FAIL; } // Need at least enough data to fill the header and magic number to be a valid DDS