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{"version":3,"file":"parseDDS.mjs","sources":["../../src/parsers/parseDDS.ts"],"sourcesContent":["import { INTERNAL_FORMAT_TO_BYTES_PER_PIXEL, INTERNAL_FORMATS } from '../const';\nimport { CompressedTextureResource } from '../resources';\n\nconst DDS_MAGIC_SIZE = 4;\nconst DDS_HEADER_SIZE = 124;\nconst DDS_HEADER_PF_SIZE = 32;\nconst DDS_HEADER_DX10_SIZE = 20;\n\n// DDS file format magic word\nconst DDS_MAGIC = 0x20534444;\n\n/**\n * DWORD offsets of the DDS file header fields (relative to file start).\n * @ignore\n */\nconst DDS_FIELDS = {\n SIZE: 1,\n FLAGS: 2,\n HEIGHT: 3,\n WIDTH: 4,\n MIPMAP_COUNT: 7,\n PIXEL_FORMAT: 19,\n};\n\n/**\n * DWORD offsets of the DDS PIXEL_FORMAT fields.\n * @ignore\n */\nconst DDS_PF_FIELDS = {\n SIZE: 0,\n FLAGS: 1,\n FOURCC: 2,\n RGB_BITCOUNT: 3,\n R_BIT_MASK: 4,\n G_BIT_MASK: 5,\n B_BIT_MASK: 6,\n A_BIT_MASK: 7\n};\n\n/**\n * DWORD offsets of the DDS_HEADER_DX10 fields.\n * @ignore\n */\nconst DDS_DX10_FIELDS = {\n DXGI_FORMAT: 0,\n RESOURCE_DIMENSION: 1,\n MISC_FLAG: 2,\n ARRAY_SIZE: 3,\n MISC_FLAGS2: 4\n};\n\n/**\n * @see https://docs.microsoft.com/en-us/windows/win32/api/dxgiformat/ne-dxgiformat-dxgi_format\n * This is way over-blown for us! Lend us a hand, and remove the ones that aren't used (but set the remaining\n * ones to their correct value)\n * @ignore\n */\nenum DXGI_FORMAT\n {\n DXGI_FORMAT_UNKNOWN,\n DXGI_FORMAT_R32G32B32A32_TYPELESS,\n DXGI_FORMAT_R32G32B32A32_FLOAT,\n DXGI_FORMAT_R32G32B32A32_UINT,\n DXGI_FORMAT_R32G32B32A32_SINT,\n DXGI_FORMAT_R32G32B32_TYPELESS,\n DXGI_FORMAT_R32G32B32_FLOAT,\n DXGI_FORMAT_R32G32B32_UINT,\n DXGI_FORMAT_R32G32B32_SINT,\n DXGI_FORMAT_R16G16B16A16_TYPELESS,\n DXGI_FORMAT_R16G16B16A16_FLOAT,\n DXGI_FORMAT_R16G16B16A16_UNORM,\n DXGI_FORMAT_R16G16B16A16_UINT,\n DXGI_FORMAT_R16G16B16A16_SNORM,\n DXGI_FORMAT_R16G16B16A16_SINT,\n DXGI_FORMAT_R32G32_TYPELESS,\n DXGI_FORMAT_R32G32_FLOAT,\n DXGI_FORMAT_R32G32_UINT,\n DXGI_FORMAT_R32G32_SINT,\n DXGI_FORMAT_R32G8X24_TYPELESS,\n DXGI_FORMAT_D32_FLOAT_S8X24_UINT,\n DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS,\n DXGI_FORMAT_X32_TYPELESS_G8X24_UINT,\n DXGI_FORMAT_R10G10B10A2_TYPELESS,\n DXGI_FORMAT_R10G10B10A2_UNORM,\n DXGI_FORMAT_R10G10B10A2_UINT,\n DXGI_FORMAT_R11G11B10_FLOAT,\n DXGI_FORMAT_R8G8B8A8_TYPELESS,\n DXGI_FORMAT_R8G8B8A8_UNORM,\n DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,\n DXGI_FORMAT_R8G8B8A8_UINT,\n DXGI_FORMAT_R8G8B8A8_SNORM,\n DXGI_FORMAT_R8G8B8A8_SINT,\n DXGI_FORMAT_R16G16_TYPELESS,\n DXGI_FORMAT_R16G16_FLOAT,\n DXGI_FORMAT_R16G16_UNORM,\n DXGI_FORMAT_R16G16_UINT,\n DXGI_FORMAT_R16G16_SNORM,\n DXGI_FORMAT_R16G16_SINT,\n DXGI_FORMAT_R32_TYPELESS,\n DXGI_FORMAT_D32_FLOAT,\n DXGI_FORMAT_R32_FLOAT,\n DXGI_FORMAT_R32_UINT,\n DXGI_FORMAT_R32_SINT,\n DXGI_FORMAT_R24G8_TYPELESS,\n DXGI_FORMAT_D24_UNORM_S8_UINT,\n DXGI_FORMAT_R24_UNORM_X8_TYPELESS,\n DXGI_FORMAT_X24_TYPELESS_G8_UINT,\n DXGI_FORMAT_R8G8_TYPELESS,\n DXGI_FORMAT_R8G8_UNORM,\n DXGI_FORMAT_R8G8_UINT,\n DXGI_FORMAT_R8G8_SNORM,\n DXGI_FORMAT_R8G8_SINT,\n DXGI_FORMAT_R16_TYPELESS,\n DXGI_FORMAT_R16_FLOAT,\n DXGI_FORMAT_D16_UNORM,\n DXGI_FORMAT_R16_UNORM,\n DXGI_FORMAT_R16_UINT,\n DXGI_FORMAT_R16_SNORM,\n DXGI_FORMAT_R16_SINT,\n DXGI_FORMAT_R8_TYPELESS,\n DXGI_FORMAT_R8_UNORM,\n DXGI_FORMAT_R8_UINT,\n DXGI_FORMAT_R8_SNORM,\n DXGI_FORMAT_R8_SINT,\n DXGI_FORMAT_A8_UNORM,\n DXGI_FORMAT_R1_UNORM,\n DXGI_FORMAT_R9G9B9E5_SHAREDEXP,\n DXGI_FORMAT_R8G8_B8G8_UNORM,\n DXGI_FORMAT_G8R8_G8B8_UNORM,\n DXGI_FORMAT_BC1_TYPELESS,\n DXGI_FORMAT_BC1_UNORM,\n DXGI_FORMAT_BC1_UNORM_SRGB,\n DXGI_FORMAT_BC2_TYPELESS,\n DXGI_FORMAT_BC2_UNORM,\n DXGI_FORMAT_BC2_UNORM_SRGB,\n DXGI_FORMAT_BC3_TYPELESS,\n DXGI_FORMAT_BC3_UNORM,\n DXGI_FORMAT_BC3_UNORM_SRGB,\n DXGI_FORMAT_BC4_TYPELESS,\n DXGI_FORMAT_BC4_UNORM,\n DXGI_FORMAT_BC4_SNORM,\n DXGI_FORMAT_BC5_TYPELESS,\n DXGI_FO
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