146 lines
4.1 KiB
C
146 lines
4.1 KiB
C
/*
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* This file was taken from RakNet 4.082 without any modifications.
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* Please see licenses/RakNet license.txt for the underlying license and related copyright.
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*/
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#ifndef __DDS_HEADER_H__
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#define __DDS_HEADER_H__
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// little-endian, of course
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#define DDS_MAGIC 0x20534444
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// DDS_header.dwFlags
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#define DDSD_CAPS 0x00000001
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#define DDSD_HEIGHT 0x00000002
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#define DDSD_WIDTH 0x00000004
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#define DDSD_PITCH 0x00000008
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#define DDSD_PIXELFORMAT 0x00001000
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#define DDSD_MIPMAPCOUNT 0x00020000
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#define DDSD_LINEARSIZE 0x00080000
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#define DDSD_DEPTH 0x00800000
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// DDS_header.sPixelFormat.dwFlags
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#define DDPF_ALPHAPIXELS 0x00000001
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#define DDPF_FOURCC 0x00000004
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#define DDPF_INDEXED 0x00000020
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#define DDPF_RGB 0x00000040
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// DDS_header.sCaps.dwCaps1
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#define DDSCAPS_COMPLEX 0x00000008
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#define DDSCAPS_TEXTURE 0x00001000
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#define DDSCAPS_MIPMAP 0x00400000
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// DDS_header.sCaps.dwCaps2
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#define DDSCAPS2_CUBEMAP 0x00000200
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#define DDSCAPS2_CUBEMAP_POSITIVEX 0x00000400
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#define DDSCAPS2_CUBEMAP_NEGATIVEX 0x00000800
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#define DDSCAPS2_CUBEMAP_POSITIVEY 0x00001000
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#define DDSCAPS2_CUBEMAP_NEGATIVEY 0x00002000
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#define DDSCAPS2_CUBEMAP_POSITIVEZ 0x00004000
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#define DDSCAPS2_CUBEMAP_NEGATIVEZ 0x00008000
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#define DDSCAPS2_VOLUME 0x00200000
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#define D3DFMT_DXT1 '1TXD' // DXT1 compression texture format
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#define D3DFMT_DXT2 '2TXD' // DXT2 compression texture format
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#define D3DFMT_DXT3 '3TXD' // DXT3 compression texture format
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#define D3DFMT_DXT4 '4TXD' // DXT4 compression texture format
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#define D3DFMT_DXT5 '5TXD' // DXT5 compression texture format
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#define PF_IS_DXT1(pf) \
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((pf.dwFlags & DDPF_FOURCC) && \
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(pf.dwFourCC == D3DFMT_DXT1))
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#define PF_IS_DXT3(pf) \
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((pf.dwFlags & DDPF_FOURCC) && \
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(pf.dwFourCC == D3DFMT_DXT3))
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#define PF_IS_DXT5(pf) \
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((pf.dwFlags & DDPF_FOURCC) && \
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(pf.dwFourCC == D3DFMT_DXT5))
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#define PF_IS_BGRA8(pf) \
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((pf.dwFlags & DDPF_RGB) && \
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(pf.dwFlags & DDPF_ALPHAPIXELS) && \
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(pf.dwRGBBitCount == 32) && \
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(pf.dwRBitMask == 0xff0000) && \
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(pf.dwGBitMask == 0xff00) && \
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(pf.dwBBitMask == 0xff) && \
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(pf.dwAlphaBitMask == 0xff000000U))
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#define PF_IS_BGR8(pf) \
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((pf.dwFlags & DDPF_ALPHAPIXELS) && \
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!(pf.dwFlags & DDPF_ALPHAPIXELS) && \
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(pf.dwRGBBitCount == 24) && \
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(pf.dwRBitMask == 0xff0000) && \
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(pf.dwGBitMask == 0xff00) && \
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(pf.dwBBitMask == 0xff))
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#define PF_IS_BGR5A1(pf) \
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((pf.dwFlags & DDPF_RGB) && \
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(pf.dwFlags & DDPF_ALPHAPIXELS) && \
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(pf.dwRGBBitCount == 16) && \
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(pf.dwRBitMask == 0x00007c00) && \
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(pf.dwGBitMask == 0x000003e0) && \
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(pf.dwBBitMask == 0x0000001f) && \
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(pf.dwAlphaBitMask == 0x00008000))
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#define PF_IS_BGR565(pf) \
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((pf.dwFlags & DDPF_RGB) && \
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!(pf.dwFlags & DDPF_ALPHAPIXELS) && \
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(pf.dwRGBBitCount == 16) && \
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(pf.dwRBitMask == 0x0000f800) && \
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(pf.dwGBitMask == 0x000007e0) && \
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(pf.dwBBitMask == 0x0000001f))
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#define PF_IS_INDEX8(pf) \
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((pf.dwFlags & DDPF_INDEXED) && \
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(pf.dwRGBBitCount == 8))
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union DDS_header
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{
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struct
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{
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unsigned int dwMagic;
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unsigned int dwSize;
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unsigned int dwFlags;
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unsigned int dwHeight;
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unsigned int dwWidth;
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unsigned int dwPitchOrLinearSize;
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unsigned int dwDepth;
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unsigned int dwMipMapCount;
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unsigned int dwReserved1[ 11 ];
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// DDPIXELFORMAT
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struct
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{
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unsigned int dwSize;
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unsigned int dwFlags;
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unsigned int dwFourCC;
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unsigned int dwRGBBitCount;
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unsigned int dwRBitMask;
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unsigned int dwGBitMask;
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unsigned int dwBBitMask;
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unsigned int dwAlphaBitMask;
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} sPixelFormat;
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// DDCAPS2
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struct
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{
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unsigned int dwCaps1;
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unsigned int dwCaps2;
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unsigned int dwDDSX;
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unsigned int dwReserved;
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} sCaps;
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unsigned int dwReserved2;
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};
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char data[ 128 ];
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};
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#endif // mydds_h
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