Dds.hpp

#pragma once
 
#include <stdint.h>
 
namespace Grindstone::Formats::DDS {
    using DWORD = unsigned long;
 
    struct DDS_PIXELFORMAT {
        DWORD dwSize = 32;
        DWORD dwFlags;
        DWORD dwFourCC;
        DWORD dwRGBBitCount;
        DWORD dwRBitMask;
        DWORD dwGBitMask;
        DWORD dwBBitMask;
        DWORD dwABitMask;
    };
 
    constexpr DWORD DDPF_ALPHAPIXELS = 0x1;
    constexpr DWORD DDPF_ALPHA = 0x2;
    constexpr DWORD DDPF_FOURCC = 0x4;
    constexpr DWORD DDPF_RGB = 0x40;
    constexpr DWORD DDPF_YUV = 0x200;
    constexpr DWORD DDPF_LUMINANCE = 0x20000;
 
    constexpr DWORD DDSD_CAPS = 0x1;
    constexpr DWORD DDSD_HEIGHT = 0x2;
    constexpr DWORD DDSD_WIDTH = 0x4;
    constexpr DWORD DDSD_PITCH = 0x8;
    constexpr DWORD DDSD_PIXELFORMAT = 0x1000;
    constexpr DWORD DDSD_MIPMAPCOUNT = 0x20000;
    constexpr DWORD DDSD_LINEARSIZE = 0x80000;
    constexpr DWORD DDSD_DEPTH = 0x800000;
    constexpr DWORD DDSD_REQUIRED =
        DDSD_CAPS |
        DDSD_HEIGHT |
        DDSD_WIDTH |
        DDSD_PIXELFORMAT |
        DDSD_LINEARSIZE;
 
    struct DDSHeader {
        DWORD           dwSize = 124;
        DWORD           dwFlags;
        DWORD           dwHeight;
        DWORD           dwWidth;
        DWORD           dwPitchOrLinearSize;
        DWORD           dwDepth;
        DWORD           dwMipMapCount;
        DWORD           dwReserved1[11];
        DDS_PIXELFORMAT ddspf;
        DWORD           dwCaps;
        DWORD           dwCaps2;
        DWORD           dwCaps3;
        DWORD           dwCaps4;
        DWORD           dwReserved2;
    };
 
    enum class DxgiFormat : uint32_t {
        UNKNOWN = 0,
        R32G32B32A32_TYPELESS = 1,
        R32G32B32A32_FLOAT = 2,
        R32G32B32A32_UINT = 3,
        R32G32B32A32_SINT = 4,
        R32G32B32_TYPELESS = 5,
        R32G32B32_FLOAT = 6,
        R32G32B32_UINT = 7,
        R32G32B32_SINT = 8,
        R16G16B16A16_TYPELESS = 9,
        R16G16B16A16_FLOAT = 10,
        R16G16B16A16_UNORM = 11,
        R16G16B16A16_UINT = 12,
        R16G16B16A16_SNORM = 13,
        R16G16B16A16_SINT = 14,
        R32G32_TYPELESS = 15,
        R32G32_FLOAT = 16,
        R32G32_UINT = 17,
        R32G32_SINT = 18,
        R32G8X24_TYPELESS = 19,
        D32_FLOAT_S8X24_UINT = 20,
        R32_FLOAT_X8X24_TYPELESS = 21,
        X32_TYPELESS_G8X24_UINT = 22,
        R10G10B10A2_TYPELESS = 23,
        R10G10B10A2_UNORM = 24,
        R10G10B10A2_UINT = 25,
        R11G11B10_FLOAT = 26,
        R8G8B8A8_TYPELESS = 27,
        R8G8B8A8_UNORM = 28,
        R8G8B8A8_UNORM_SRGB = 29,
        R8G8B8A8_UINT = 30,
        R8G8B8A8_SNORM = 31,
        R8G8B8A8_SINT = 32,
        R16G16_TYPELESS = 33,
        R16G16_FLOAT = 34,
        R16G16_UNORM = 35,
        R16G16_UINT = 36,
        R16G16_SNORM = 37,
        R16G16_SINT = 38,
        R32_TYPELESS = 39,
        D32_FLOAT = 40,
        R32_FLOAT = 41,
        R32_UINT = 42,
        R32_SINT = 43,
        R24G8_TYPELESS = 44,
        D24_UNORM_S8_UINT = 45,
        R24_UNORM_X8_TYPELESS = 46,
        X24_TYPELESS_G8_UINT = 47,
        R8G8_TYPELESS = 48,
        R8G8_UNORM = 49,
        R8G8_UINT = 50,
        R8G8_SNORM = 51,
        R8G8_SINT = 52,
        R16_TYPELESS = 53,
        R16_FLOAT = 54,
        D16_UNORM = 55,
        R16_UNORM = 56,
        R16_UINT = 57,
        R16_SNORM = 58,
        R16_SINT = 59,
        R8_TYPELESS = 60,
        R8_UNORM = 61,
        R8_UINT = 62,
        R8_SNORM = 63,
        R8_SINT = 64,
        A8_UNORM = 65,
        R1_UNORM = 66,
        R9G9B9E5_SHAREDEXP = 67,
        R8G8_B8G8_UNORM = 68,
        G8R8_G8B8_UNORM = 69,
        BC1_TYPELESS = 70,
        BC1_UNORM = 71,
        BC1_UNORM_SRGB = 72,
        BC2_TYPELESS = 73,
        BC2_UNORM = 74,
        BC2_UNORM_SRGB = 75,
        BC3_TYPELESS = 76,
        BC3_UNORM = 77,
        BC3_UNORM_SRGB = 78,
        BC4_TYPELESS = 79,
        BC4_UNORM = 80,
        BC4_SNORM = 81,
        BC5_TYPELESS = 82,
        BC5_UNORM = 83,
        BC5_SNORM = 84,
        B5G6R5_UNORM = 85,
        B5G5R5A1_UNORM = 86,
        B8G8R8A8_UNORM = 87,
        B8G8R8X8_UNORM = 88,
        R10G10B10_XR_BIAS_A2_UNORM = 89,
        B8G8R8A8_TYPELESS = 90,
        B8G8R8A8_UNORM_SRGB = 91,
        B8G8R8X8_TYPELESS = 92,
        B8G8R8X8_UNORM_SRGB = 93,
        BC6H_TYPELESS = 94,
        BC6H_UF16 = 95,
        BC6H_SF16 = 96,
        BC7_TYPELESS = 97,
        BC7_UNORM = 98,
        BC7_UNORM_SRGB = 99,
        AYUV = 100,
        Y410 = 101,
        Y416 = 102,
        NV12 = 103,
        P010 = 104,
        P016 = 105,
        OPAQUE_420 = 106,
        YUY2 = 107,
        Y210 = 108,
        Y216 = 109,
        NV11 = 110,
        AI44 = 111,
        IA44 = 112,
        P8 = 113,
        A8P8 = 114,
        B4G4R4A4_UNORM = 115,
        P208 = 130,
        V208 = 131,
        V408 = 132,
        SAMPLER_FEEDBACK_MIN_MIP_OPAQUE,
        SAMPLER_FEEDBACK_MIP_REGION_USED_OPAQUE,
        FORCE_UINT = 0xffffffff
    };
 
    enum class D3d10ResourceDimension : uint32_t {
        D3D10_RESOURCE_DIMENSION_UNKNOWN = 0,
        D3D10_RESOURCE_DIMENSION_BUFFER = 1,
        D3D10_RESOURCE_DIMENSION_TEXTURE1D = 2,
        D3D10_RESOURCE_DIMENSION_TEXTURE2D = 3,
        D3D10_RESOURCE_DIMENSION_TEXTURE3D = 4
    };
 
    struct DDSHeaderExtended {
        DxgiFormat dxgiFormat = DxgiFormat::UNKNOWN;
        D3d10ResourceDimension resourceDimension = D3d10ResourceDimension::D3D10_RESOURCE_DIMENSION_TEXTURE2D;
        uint32_t miscFlag;
        uint32_t arraySize;
        uint32_t miscFlags2;
    };
 
    constexpr DWORD MakeFourCC(char c0, char c1, char c2, char c3) {
        return ((DWORD)(char)(c0) | ((DWORD)(char)(c1) << 8) | \
            ((DWORD)(char)(c2) << 16) | ((DWORD)(char)(c3) << 24));
    }
 
    constexpr DWORD MakeFourCCStr(const char* str) {
        return MakeFourCC(str[0], str[1], str[2], str[3]);
    }
 
    constexpr DWORD FOURCC_R8G8_B8G8_UNORM = MakeFourCC('R', 'G', 'B', 'G');
    constexpr DWORD FOURCC_G8R8_G8B8_UNORM = MakeFourCC('G', 'R', 'G', 'B');
    constexpr DWORD FOURCC_R16G16B16A16_UNORM = 36;
    constexpr DWORD FOURCC_R16G16B16A16_SNORM = 110;
    constexpr DWORD FOURCC_R16_SFLOAT = 111;
    constexpr DWORD FOURCC_R16G16_SFLOAT = 112;
    constexpr DWORD FOURCC_R16G16B16A16_SFLOAT = 113;
    constexpr DWORD FOURCC_R32_SFLOAT = 114;
    constexpr DWORD FOURCC_R32G32_SFLOAT = 115;
    constexpr DWORD FOURCC_R32G32B32A32_SFLOAT = 116;
    constexpr DWORD FOURCC_CxV8U8 = 117;
    constexpr DWORD FOURCC_DXT2_UNORM = MakeFourCC('D', 'X', 'T', '2');
    constexpr DWORD FOURCC_DXT4_UNORM = MakeFourCC('D', 'X', 'T', '4');
    constexpr DWORD FOURCC_BC1_UNORM = MakeFourCC('D', 'X', 'T', '1');
    constexpr DWORD FOURCC_BC2_UNORM = MakeFourCC('D', 'X', 'T', '3');
    constexpr DWORD FOURCC_BC3_UNORM = MakeFourCC('D', 'X', 'T', '5');
    constexpr DWORD FOURCC_BC4_UNORM_ATI = MakeFourCC('A', 'T', 'I', '1');
    constexpr DWORD FOURCC_BC4_UNORM = MakeFourCC('B', 'C', '4', 'U');
    constexpr DWORD FOURCC_BC4_SNORM = MakeFourCC('B', 'C', '4', 'S');
    constexpr DWORD FOURCC_BC5_UNORM_ATI = MakeFourCC('A', 'T', 'I', '2');
    constexpr DWORD FOURCC_BC5_UNORM = MakeFourCC('B', 'C', '5', 'U');
    constexpr DWORD FOURCC_BC5_SNORM = MakeFourCC('B', 'C', '5', 'S');
    constexpr DWORD FOURCC_UYVY = MakeFourCC('U', 'Y', 'V', 'Y');
    constexpr DWORD FOURCC_YUY2 = MakeFourCC('Y', 'U', 'Y', '2');
    constexpr DWORD FOURCC_DXGI = MakeFourCC('D', 'X', '1', '0');
 
    constexpr DWORD DXGI_BC6H = 95;
 
    constexpr DWORD DDSCAPS_COMPLEX = 0x8;
    constexpr DWORD DDSCAPS_MIPMAP = 0x400000;
    constexpr DWORD DDSCAPS_TEXTURE = 0x1000;
 
    constexpr DWORD DDS_RESOURCE_MISC_TEXTURECUBE = 0x4;
 
    constexpr DWORD DDSCAPS2_CUBEMAP = 0x200;
    constexpr DWORD DDSCAPS2_CUBEMAP_POSITIVEX = 0x400;
    constexpr DWORD DDSCAPS2_CUBEMAP_NEGATIVEX = 0x800;
    constexpr DWORD DDSCAPS2_CUBEMAP_POSITIVEY = 0x1000;
    constexpr DWORD DDSCAPS2_CUBEMAP_NEGATIVEY = 0x2000;
    constexpr DWORD DDSCAPS2_CUBEMAP_POSITIVEZ = 0x4000;
    constexpr DWORD DDSCAPS2_CUBEMAP_NEGATIVEZ = 0x8000;
    constexpr DWORD DDSCAPS2_CUBEMAP_VOLUME = 0x200000;
 
    constexpr DWORD DDS_CUBEMAP_ALLFACES =
        DDSCAPS2_CUBEMAP |
        DDSCAPS2_CUBEMAP_POSITIVEX |
        DDSCAPS2_CUBEMAP_NEGATIVEX |
        DDSCAPS2_CUBEMAP_POSITIVEY |
        DDSCAPS2_CUBEMAP_NEGATIVEY |
        DDSCAPS2_CUBEMAP_POSITIVEZ |
        DDSCAPS2_CUBEMAP_NEGATIVEZ;
}