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| Original file line number | Diff line number | Diff line change |
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| /**************************************************************************/ | ||
| /* dds.h */ | ||
| /**************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /**************************************************************************/ | ||
| /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ | ||
| /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ | ||
| /* */ | ||
| /* Permission is hereby granted, free of charge, to any person obtaining */ | ||
| /* a copy of this software and associated documentation files (the */ | ||
| /* "Software"), to deal in the Software without restriction, including */ | ||
| /* without limitation the rights to use, copy, modify, merge, publish, */ | ||
| /* distribute, sublicense, and/or sell copies of the Software, and to */ | ||
| /* permit persons to whom the Software is furnished to do so, subject to */ | ||
| /* the following conditions: */ | ||
| /* */ | ||
| /* The above copyright notice and this permission notice shall be */ | ||
| /* included in all copies or substantial portions of the Software. */ | ||
| /* */ | ||
| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ | ||
| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ | ||
| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ | ||
| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ | ||
| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ | ||
| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ | ||
| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ | ||
| /**************************************************************************/ | ||
|
|
||
| #ifndef DDS_H | ||
| #define DDS_H | ||
|
|
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| #include "core/io/image.h" | ||
|
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| #define PF_FOURCC(s) ((uint32_t)(((s)[3] << 24U) | ((s)[2] << 16U) | ((s)[1] << 8U) | ((s)[0]))) | ||
|
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| // Reference: https://docs.microsoft.com/en-us/windows/win32/direct3ddds/dds-header | ||
|
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| enum { | ||
| DDS_MAGIC = 0x20534444, | ||
| DDS_HEADER_SIZE = 124, | ||
| DDS_PIXELFORMAT_SIZE = 32, | ||
|
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| DDSD_PITCH = 0x00000008, | ||
| DDSD_LINEARSIZE = 0x00080000, | ||
| DDSD_MIPMAPCOUNT = 0x00020000, | ||
| DDSD_CAPS = 0x1, | ||
| DDSD_HEIGHT = 0x2, | ||
| DDSD_WIDTH = 0x4, | ||
| DDSD_PIXELFORMAT = 0x1000, | ||
| DDPF_ALPHAPIXELS = 0x00000001, | ||
| DDPF_ALPHAONLY = 0x00000002, | ||
| DDPF_FOURCC = 0x00000004, | ||
| DDPF_RGB = 0x00000040, | ||
| DDPF_RG_SNORM = 0x00080000, | ||
|
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| DDSC2_CUBEMAP = 0x200, | ||
| DDSC2_VOLUME = 0x200000, | ||
|
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| DX10D_1D = 2, | ||
| DX10D_2D = 3, | ||
| DX10D_3D = 4, | ||
| }; | ||
|
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||
| enum DDSFourCC { | ||
| DDFCC_DXT1 = PF_FOURCC("DXT1"), | ||
| DDFCC_DXT2 = PF_FOURCC("DXT2"), | ||
| DDFCC_DXT3 = PF_FOURCC("DXT3"), | ||
| DDFCC_DXT4 = PF_FOURCC("DXT4"), | ||
| DDFCC_DXT5 = PF_FOURCC("DXT5"), | ||
| DDFCC_ATI1 = PF_FOURCC("ATI1"), | ||
| DDFCC_BC4U = PF_FOURCC("BC4U"), | ||
| DDFCC_ATI2 = PF_FOURCC("ATI2"), | ||
| DDFCC_BC5U = PF_FOURCC("BC5U"), | ||
| DDFCC_A2XY = PF_FOURCC("A2XY"), | ||
| DDFCC_DX10 = PF_FOURCC("DX10"), | ||
| DDFCC_R16F = 111, | ||
| DDFCC_RG16F = 112, | ||
| DDFCC_RGBA16F = 113, | ||
| DDFCC_R32F = 114, | ||
| DDFCC_RG32F = 115, | ||
| DDFCC_RGBA32F = 116 | ||
| }; | ||
|
|
||
| // Reference: https://learn.microsoft.com/en-us/windows/win32/api/dxgiformat/ne-dxgiformat-dxgi_format | ||
| enum DXGIFormat { | ||
| DXGI_R32G32B32A32_FLOAT = 2, | ||
| DXGI_R32G32B32_FLOAT = 6, | ||
| DXGI_R16G16B16A16_FLOAT = 10, | ||
| DXGI_R32G32_FLOAT = 16, | ||
| DXGI_R10G10B10A2_UNORM = 24, | ||
| DXGI_R8G8B8A8_UNORM = 28, | ||
| DXGI_R8G8B8A8_UNORM_SRGB = 29, | ||
| DXGI_R16G16_FLOAT = 34, | ||
| DXGI_R32_FLOAT = 41, | ||
| DXGI_R8G8_UNORM = 49, | ||
| DXGI_R16_FLOAT = 54, | ||
| DXGI_R8_UNORM = 61, | ||
| DXGI_A8_UNORM = 65, | ||
| DXGI_R9G9B9E5 = 67, | ||
| DXGI_BC1_UNORM = 71, | ||
| DXGI_BC1_UNORM_SRGB = 72, | ||
| DXGI_BC2_UNORM = 74, | ||
| DXGI_BC2_UNORM_SRGB = 75, | ||
| DXGI_BC3_UNORM = 77, | ||
| DXGI_BC3_UNORM_SRGB = 78, | ||
| DXGI_BC4_UNORM = 80, | ||
| DXGI_BC5_UNORM = 83, | ||
| DXGI_B5G6R5_UNORM = 85, | ||
| DXGI_B5G5R5A1_UNORM = 86, | ||
| DXGI_B8G8R8A8_UNORM = 87, | ||
| DXGI_BC6H_UF16 = 95, | ||
| DXGI_BC6H_SF16 = 96, | ||
| DXGI_BC7_UNORM = 98, | ||
| DXGI_BC7_UNORM_SRGB = 99, | ||
| DXGI_B4G4R4A4_UNORM = 115 | ||
| }; | ||
|
|
||
| // The legacy bitmasked format names here represent the actual data layout in the files, | ||
| // while their official names are flipped (e.g. RGBA8 layout is officially called ABGR8). | ||
| enum DDSFormat { | ||
| DDS_DXT1, | ||
| DDS_DXT3, | ||
| DDS_DXT5, | ||
| DDS_ATI1, | ||
| DDS_ATI2, | ||
| DDS_BC6U, | ||
| DDS_BC6S, | ||
| DDS_BC7, | ||
| DDS_R16F, | ||
| DDS_RG16F, | ||
| DDS_RGBA16F, | ||
| DDS_R32F, | ||
| DDS_RG32F, | ||
| DDS_RGB32F, | ||
| DDS_RGBA32F, | ||
| DDS_RGB9E5, | ||
| DDS_RGB8, | ||
| DDS_RGBA8, | ||
| DDS_BGR8, | ||
| DDS_BGRA8, | ||
| DDS_BGR5A1, | ||
| DDS_BGR565, | ||
| DDS_B2GR3, | ||
| DDS_B2GR3A8, | ||
| DDS_BGR10A2, | ||
| DDS_RGB10A2, | ||
| DDS_BGRA4, | ||
| DDS_LUMINANCE, | ||
| DDS_LUMINANCE_ALPHA, | ||
| DDS_LUMINANCE_ALPHA_4, | ||
| DDS_MAX | ||
| }; | ||
|
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||
| enum DDSType { | ||
| DDST_2D = 1, | ||
| DDST_CUBEMAP, | ||
| DDST_3D, | ||
|
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| DDST_TYPE_MASK = 0x7F, | ||
| DDST_ARRAY = 0x80, | ||
| }; | ||
|
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| struct DDSFormatInfo { | ||
| const char *name = nullptr; | ||
| bool compressed = false; | ||
| uint32_t divisor = 0; | ||
| uint32_t block_size = 0; | ||
| Image::Format format = Image::Format::FORMAT_BPTC_RGBA; | ||
| }; | ||
|
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| static const DDSFormatInfo dds_format_info[DDS_MAX] = { | ||
| { "DXT1/BC1", true, 4, 8, Image::FORMAT_DXT1 }, | ||
| { "DXT2/DXT3/BC2", true, 4, 16, Image::FORMAT_DXT3 }, | ||
| { "DXT4/DXT5/BC3", true, 4, 16, Image::FORMAT_DXT5 }, | ||
| { "ATI1/BC4", true, 4, 8, Image::FORMAT_RGTC_R }, | ||
| { "ATI2/A2XY/BC5", true, 4, 16, Image::FORMAT_RGTC_RG }, | ||
| { "BC6UF", true, 4, 16, Image::FORMAT_BPTC_RGBFU }, | ||
| { "BC6SF", true, 4, 16, Image::FORMAT_BPTC_RGBF }, | ||
| { "BC7", true, 4, 16, Image::FORMAT_BPTC_RGBA }, | ||
| { "R16F", false, 1, 2, Image::FORMAT_RH }, | ||
| { "RG16F", false, 1, 4, Image::FORMAT_RGH }, | ||
| { "RGBA16F", false, 1, 8, Image::FORMAT_RGBAH }, | ||
| { "R32F", false, 1, 4, Image::FORMAT_RF }, | ||
| { "RG32F", false, 1, 8, Image::FORMAT_RGF }, | ||
| { "RGB32F", false, 1, 12, Image::FORMAT_RGBF }, | ||
| { "RGBA32F", false, 1, 16, Image::FORMAT_RGBAF }, | ||
| { "RGB9E5", false, 1, 4, Image::FORMAT_RGBE9995 }, | ||
| { "RGB8", false, 1, 3, Image::FORMAT_RGB8 }, | ||
| { "RGBA8", false, 1, 4, Image::FORMAT_RGBA8 }, | ||
| { "BGR8", false, 1, 3, Image::FORMAT_RGB8 }, | ||
| { "BGRA8", false, 1, 4, Image::FORMAT_RGBA8 }, | ||
| { "BGR5A1", false, 1, 2, Image::FORMAT_RGBA8 }, | ||
| { "BGR565", false, 1, 2, Image::FORMAT_RGB8 }, | ||
| { "B2GR3", false, 1, 1, Image::FORMAT_RGB8 }, | ||
| { "B2GR3A8", false, 1, 2, Image::FORMAT_RGBA8 }, | ||
| { "BGR10A2", false, 1, 4, Image::FORMAT_RGBA8 }, | ||
| { "RGB10A2", false, 1, 4, Image::FORMAT_RGBA8 }, | ||
| { "BGRA4", false, 1, 2, Image::FORMAT_RGBA8 }, | ||
| { "GRAYSCALE", false, 1, 1, Image::FORMAT_L8 }, | ||
| { "GRAYSCALE_ALPHA", false, 1, 2, Image::FORMAT_LA8 }, | ||
| { "GRAYSCALE_ALPHA_4", false, 1, 1, Image::FORMAT_LA8 } | ||
| }; | ||
|
|
||
| #endif // DDS_H |
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