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//--------------------------------------------------------------------------------------
// dds.h
//
// This header defines constants and structures that are useful when parsing
// DDS files. DDS files were originally designed to use several structures
// and constants that are native to DirectDraw and are defined in ddraw.h,
// such as DDSURFACEDESC2 and DDSCAPS2. This file defines similar
// (compatible) constants and structures so that one can use DDS files
// without needing to include ddraw.h.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
//
// http://go.microsoft.com/fwlink/?LinkId=248926
// http://go.microsoft.com/fwlink/?LinkId=248929
// http://go.microsoft.com/fwlink/?LinkID=615561
//--------------------------------------------------------------------------------------
#pragma once
#include <dxgiformat.h>
#include <stdint.h>
namespace DirectX {
#pragma pack(push, 1)
const uint32_t 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_ALPHAPIXELS 0x00000001 // DDPF_ALPHAPIXELS
#define DDS_ALPHA 0x00000002 // DDPF_ALPHA
#define DDS_PAL8 0x00000020 // DDPF_PALETTEINDEXED8
#define DDS_PAL8A 0x00000021 // DDPF_PALETTEINDEXED8 | DDPF_ALPHAPIXELS
#define DDS_BUMPDUDV 0x00080000 // DDPF_BUMPDUDV
#ifndef MAKEFOURCC
#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
(static_cast<uint32_t>(static_cast<uint8_t>(ch0)) | (static_cast<uint32_t>(static_cast<uint8_t>(ch1)) << 8) \
| (static_cast<uint32_t>(static_cast<uint8_t>(ch2)) << 16) \
| (static_cast<uint32_t>(static_cast<uint8_t>(ch3)) << 24))
#endif /* defined(MAKEFOURCC) */
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_DXT1 = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D', 'X', 'T', '1'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_DXT2 = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D', 'X', 'T', '2'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_DXT3 = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D', 'X', 'T', '3'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_DXT4 = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D', 'X', 'T', '4'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_DXT5 = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D', 'X', 'T', '5'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_BC4_UNORM = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('B', 'C', '4', 'U'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_BC4_SNORM = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('B', 'C', '4', 'S'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_BC5_UNORM = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('B', 'C', '5', 'U'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_BC5_SNORM = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('B', 'C', '5', 'S'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_R8G8_B8G8 = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('R', 'G', 'B', 'G'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_G8R8_G8B8 = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('G', 'R', 'G', 'B'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_YUY2 = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('Y', 'U', 'Y', '2'), 0, 0, 0, 0, 0};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_A8R8G8B8 = {sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_X8R8G8B8 = {sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_A8B8G8R8 = {sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_X8B8G8R8 = {sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_G16R16 = {sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 32, 0x0000ffff, 0xffff0000, 0x00000000, 0x00000000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_R5G6B5 = {sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 16, 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_A1R5G5B5 = {sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 16, 0x00007c00, 0x000003e0, 0x0000001f, 0x00008000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_A4R4G4B4 = {sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 16, 0x00000f00, 0x000000f0, 0x0000000f, 0x0000f000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_R8G8B8 = {sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000};
extern __declspec(selectany) const
DDS_PIXELFORMAT DDSPF_L8 = {sizeof(DDS_PIXELFORMAT), DDS_LUMINANCE, 0, 8, 0xff, 0x00, 0x00, 0x00};
extern __declspec(selectany) const
DDS_PIXELFORMAT DDSPF_L16 = {sizeof(DDS_PIXELFORMAT), DDS_LUMINANCE, 0, 16, 0xffff, 0x0000, 0x0000, 0x0000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_A8L8 = {sizeof(DDS_PIXELFORMAT), DDS_LUMINANCEA, 0, 16, 0x00ff, 0x0000, 0x0000, 0xff00};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_A8L8_ALT = {sizeof(DDS_PIXELFORMAT), DDS_LUMINANCEA, 0, 8, 0x00ff, 0x0000, 0x0000, 0xff00};
extern __declspec(selectany) const
DDS_PIXELFORMAT DDSPF_A8 = {sizeof(DDS_PIXELFORMAT), DDS_ALPHA, 0, 8, 0x00, 0x00, 0x00, 0xff};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_V8U8 = {sizeof(DDS_PIXELFORMAT), DDS_BUMPDUDV, 0, 16, 0x00ff, 0xff00, 0x0000, 0x0000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_Q8W8V8U8 = {sizeof(DDS_PIXELFORMAT), DDS_BUMPDUDV, 0, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000};
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_V16U16 = {sizeof(DDS_PIXELFORMAT), DDS_BUMPDUDV, 0, 32, 0x0000ffff, 0xffff0000, 0x00000000, 0x00000000};
// D3DFMT_A2R10G10B10/D3DFMT_A2B10G10R10 should be written using DX10 extension to avoid D3DX 10:10:10:2 reversal issue
// This indicates the DDS_HEADER_DXT10 extension is present (the format is in dxgiFormat)
extern __declspec(selectany) const DDS_PIXELFORMAT
DDSPF_DX10 = {sizeof(DDS_PIXELFORMAT), DDS_FOURCC, MAKEFOURCC('D', 'X', '1', '0'), 0, 0, 0, 0, 0};
#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
// Subset here matches D3D10_RESOURCE_DIMENSION and D3D11_RESOURCE_DIMENSION
enum DDS_RESOURCE_DIMENSION
{
DDS_DIMENSION_TEXTURE1D = 2,
DDS_DIMENSION_TEXTURE2D = 3,
DDS_DIMENSION_TEXTURE3D = 4,
};
// Subset here matches D3D10_RESOURCE_MISC_FLAG and D3D11_RESOURCE_MISC_FLAG
enum DDS_RESOURCE_MISC_FLAG
{
DDS_RESOURCE_MISC_TEXTURECUBE = 0x4L,
};
enum DDS_MISC_FLAGS2
{
DDS_MISC_FLAGS2_ALPHA_MODE_MASK = 0x7L,
};
enum DDS_ALPHA_MODE
{
DDS_ALPHA_MODE_UNKNOWN = 0,
DDS_ALPHA_MODE_STRAIGHT = 1,
DDS_ALPHA_MODE_PREMULTIPLIED = 2,
DDS_ALPHA_MODE_OPAQUE = 3,
DDS_ALPHA_MODE_CUSTOM = 4,
};
struct DDS_HEADER
{
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;
};
struct DDS_HEADER_DXT10
{
DXGI_FORMAT dxgiFormat;
uint32_t resourceDimension;
uint32_t miscFlag; // see D3D11_RESOURCE_MISC_FLAG
uint32_t arraySize;
uint32_t miscFlags2; // see DDS_MISC_FLAGS2
};
#pragma pack(pop)
static_assert(sizeof(DDS_HEADER) == 124, "DDS Header size mismatch");
static_assert(sizeof(DDS_HEADER_DXT10) == 20, "DDS DX10 Extended Header size mismatch");
} // namespace DirectX