240 lines
9.9 KiB
C
240 lines
9.9 KiB
C
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//--------------------------------------------------------------------------------------
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// dds.h
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//
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// This header defines constants and structures that are useful when parsing
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// DDS files. DDS files were originally designed to use several structures
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// and constants that are native to DirectDraw and are defined in ddraw.h,
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// such as DDSURFACEDESC2 and DDSCAPS2. This file defines similar
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// (compatible) constants and structures so that one can use DDS files
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// without needing to include ddraw.h.
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// http://go.microsoft.com/fwlink/?LinkId=248926
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// http://go.microsoft.com/fwlink/?LinkId=248929
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//--------------------------------------------------------------------------------------
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#pragma once
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#if defined(_XBOX_ONE) && defined(_TITLE)
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#include <d3d11_x.h>
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#else
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#include <dxgiformat.h>
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#endif
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// VS 2010's stdint.h conflicts with intsafe.h
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#pragma warning(push)
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#pragma warning(disable : 4005)
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#include <stdint.h>
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#pragma warning(pop)
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namespace DirectX
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{
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#pragma pack(push,1)
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const uint32_t DDS_MAGIC = 0x20534444; // "DDS "
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struct DDS_PIXELFORMAT
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{
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uint32_t size;
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uint32_t flags;
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uint32_t fourCC;
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uint32_t RGBBitCount;
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uint32_t RBitMask;
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uint32_t GBitMask;
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uint32_t BBitMask;
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uint32_t ABitMask;
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};
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#define DDS_FOURCC 0x00000004 // DDPF_FOURCC
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#define DDS_RGB 0x00000040 // DDPF_RGB
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#define DDS_RGBA 0x00000041 // DDPF_RGB | DDPF_ALPHAPIXELS
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#define DDS_LUMINANCE 0x00020000 // DDPF_LUMINANCE
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#define DDS_LUMINANCEA 0x00020001 // DDPF_LUMINANCE | DDPF_ALPHAPIXELS
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#define DDS_ALPHA 0x00000002 // DDPF_ALPHA
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#define DDS_PAL8 0x00000020 // DDPF_PALETTEINDEXED8
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#define DDS_BUMPDUDV 0x00080000 // DDPF_BUMPDUDV
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#ifndef MAKEFOURCC
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#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
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((uint32_t)(uint8_t)(ch0) | ((uint32_t)(uint8_t)(ch1) << 8) | \
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((uint32_t)(uint8_t)(ch2) << 16) | ((uint32_t)(uint8_t)(ch3) << 24 ))
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#endif /* defined(MAKEFOURCC) */
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_DXT1 =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D','X','T','1'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_DXT2 =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D','X','T','2'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_DXT3 =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D','X','T','3'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_DXT4 =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D','X','T','4'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_DXT5 =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D','X','T','5'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_BC4_UNORM =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('B','C','4','U'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_BC4_SNORM =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('B','C','4','S'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_BC5_UNORM =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('B','C','5','U'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_BC5_SNORM =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('B','C','5','S'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_R8G8_B8G8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('R','G','B','G'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_G8R8_G8B8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('G','R','G','B'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_YUY2 =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('Y','U','Y','2'), 0, 0, 0, 0, 0 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_A8R8G8B8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_X8R8G8B8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_A8B8G8R8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_X8B8G8R8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_G16R16 =
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{ sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 32, 0x0000ffff, 0xffff0000, 0x00000000, 0x00000000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_R5G6B5 =
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{ sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 16, 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_A1R5G5B5 =
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{ sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 16, 0x00007c00, 0x000003e0, 0x0000001f, 0x00008000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_A4R4G4B4 =
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{ sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 16, 0x00000f00, 0x000000f0, 0x0000000f, 0x0000f000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_R8G8B8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_L8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_LUMINANCE, 0, 8, 0xff, 0x00, 0x00, 0x00 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_L16 =
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{ sizeof(DDS_PIXELFORMAT), DDS_LUMINANCE, 0, 16, 0xffff, 0x0000, 0x0000, 0x0000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_A8L8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_LUMINANCEA, 0, 16, 0x00ff, 0x0000, 0x0000, 0xff00 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_A8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_ALPHA, 0, 8, 0x00, 0x00, 0x00, 0xff };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_V8U8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_BUMPDUDV, 0, 16, 0x00ff, 0xff00, 0x0000, 0x0000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_Q8W8V8U8 =
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{ sizeof(DDS_PIXELFORMAT), DDS_BUMPDUDV, 0, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 };
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_V16U16 =
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{ sizeof(DDS_PIXELFORMAT), DDS_BUMPDUDV, 0, 32, 0x0000ffff, 0xffff0000, 0x00000000, 0x00000000 };
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// D3DFMT_A2R10G10B10/D3DFMT_A2B10G10R10 should be written using DX10 extension to avoid D3DX 10:10:10:2 reversal issue
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// This indicates the DDS_HEADER_DXT10 extension is present (the format is in dxgiFormat)
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extern __declspec(selectany) const DDS_PIXELFORMAT DDSPF_DX10 =
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{ sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D','X','1','0'), 0, 0, 0, 0, 0 };
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#define DDS_HEADER_FLAGS_TEXTURE 0x00001007 // DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT
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#define DDS_HEADER_FLAGS_MIPMAP 0x00020000 // DDSD_MIPMAPCOUNT
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#define DDS_HEADER_FLAGS_VOLUME 0x00800000 // DDSD_DEPTH
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#define DDS_HEADER_FLAGS_PITCH 0x00000008 // DDSD_PITCH
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#define DDS_HEADER_FLAGS_LINEARSIZE 0x00080000 // DDSD_LINEARSIZE
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#define DDS_HEIGHT 0x00000002 // DDSD_HEIGHT
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#define DDS_WIDTH 0x00000004 // DDSD_WIDTH
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#define DDS_SURFACE_FLAGS_TEXTURE 0x00001000 // DDSCAPS_TEXTURE
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#define DDS_SURFACE_FLAGS_MIPMAP 0x00400008 // DDSCAPS_COMPLEX | DDSCAPS_MIPMAP
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#define DDS_SURFACE_FLAGS_CUBEMAP 0x00000008 // DDSCAPS_COMPLEX
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#define DDS_CUBEMAP_POSITIVEX 0x00000600 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEX
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#define DDS_CUBEMAP_NEGATIVEX 0x00000a00 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEX
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#define DDS_CUBEMAP_POSITIVEY 0x00001200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEY
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#define DDS_CUBEMAP_NEGATIVEY 0x00002200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEY
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#define DDS_CUBEMAP_POSITIVEZ 0x00004200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEZ
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#define DDS_CUBEMAP_NEGATIVEZ 0x00008200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEZ
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#define DDS_CUBEMAP_ALLFACES ( DDS_CUBEMAP_POSITIVEX | DDS_CUBEMAP_NEGATIVEX |\
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DDS_CUBEMAP_POSITIVEY | DDS_CUBEMAP_NEGATIVEY |\
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DDS_CUBEMAP_POSITIVEZ | DDS_CUBEMAP_NEGATIVEZ )
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#define DDS_CUBEMAP 0x00000200 // DDSCAPS2_CUBEMAP
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#define DDS_FLAGS_VOLUME 0x00200000 // DDSCAPS2_VOLUME
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// Subset here matches D3D10_RESOURCE_DIMENSION and D3D11_RESOURCE_DIMENSION
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enum DDS_RESOURCE_DIMENSION
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{
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DDS_DIMENSION_TEXTURE1D = 2,
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DDS_DIMENSION_TEXTURE2D = 3,
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DDS_DIMENSION_TEXTURE3D = 4,
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};
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// Subset here matches D3D10_RESOURCE_MISC_FLAG and D3D11_RESOURCE_MISC_FLAG
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enum DDS_RESOURCE_MISC_FLAG
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{
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DDS_RESOURCE_MISC_TEXTURECUBE = 0x4L,
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};
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enum DDS_MISC_FLAGS2
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{
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DDS_MISC_FLAGS2_ALPHA_MODE_MASK = 0x7L,
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};
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struct DDS_HEADER
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{
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uint32_t size;
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uint32_t flags;
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uint32_t height;
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uint32_t width;
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uint32_t pitchOrLinearSize;
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uint32_t depth; // only if DDS_HEADER_FLAGS_VOLUME is set in flags
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uint32_t mipMapCount;
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uint32_t reserved1[11];
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DDS_PIXELFORMAT ddspf;
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uint32_t caps;
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uint32_t caps2;
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uint32_t caps3;
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uint32_t caps4;
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uint32_t reserved2;
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};
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struct DDS_HEADER_DXT10
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{
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DXGI_FORMAT dxgiFormat;
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uint32_t resourceDimension;
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uint32_t miscFlag; // see D3D11_RESOURCE_MISC_FLAG
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uint32_t arraySize;
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uint32_t miscFlags2; // see DDS_MISC_FLAGS2
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} ;
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#pragma pack(pop)
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static_assert( sizeof(DDS_HEADER) == 124, "DDS Header size mismatch" );
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static_assert( sizeof(DDS_HEADER_DXT10) == 20, "DDS DX10 Extended Header size mismatch");
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}; // namespace
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