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Diffstat (limited to 'libs/preview_dds_native/src/ddsformat.h')
| -rw-r--r-- | libs/preview_dds_native/src/ddsformat.h | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/libs/preview_dds_native/src/ddsformat.h b/libs/preview_dds_native/src/ddsformat.h deleted file mode 100644 index 22d3565..0000000 --- a/libs/preview_dds_native/src/ddsformat.h +++ /dev/null @@ -1,200 +0,0 @@ -#ifndef DDSFORMAT_H -#define DDSFORMAT_H - -#include <cstdint> -#include <functional> -#include <vector> - -#include <QByteArray> - -// DDS file magic number -constexpr uint32_t DDS_MAGIC = 0x20534444; // "DDS " - -// DDS_PIXELFORMAT flags -constexpr uint32_t DDPF_ALPHAPIXELS = 0x1; -constexpr uint32_t DDPF_ALPHA = 0x2; -constexpr uint32_t DDPF_FOURCC = 0x4; -constexpr uint32_t DDPF_RGB = 0x40; -constexpr uint32_t DDPF_YUV = 0x200; -constexpr uint32_t DDPF_LUMINANCE = 0x20000; - -// DDS_HEADER flags -constexpr uint32_t DDSD_CAPS = 0x1; -constexpr uint32_t DDSD_HEIGHT = 0x2; -constexpr uint32_t DDSD_WIDTH = 0x4; -constexpr uint32_t DDSD_PITCH = 0x8; -constexpr uint32_t DDSD_PIXELFORMAT = 0x1000; -constexpr uint32_t DDSD_MIPMAPCOUNT = 0x20000; -constexpr uint32_t DDSD_LINEARSIZE = 0x80000; -constexpr uint32_t DDSD_DEPTH = 0x800000; - -// DDS_HEADER caps2 -constexpr uint32_t DDSCAPS2_CUBEMAP = 0x200; -constexpr uint32_t DDSCAPS2_CUBEMAP_POSITIVEX = 0x400; -constexpr uint32_t DDSCAPS2_CUBEMAP_NEGATIVEX = 0x800; -constexpr uint32_t DDSCAPS2_CUBEMAP_POSITIVEY = 0x1000; -constexpr uint32_t DDSCAPS2_CUBEMAP_NEGATIVEY = 0x2000; -constexpr uint32_t DDSCAPS2_CUBEMAP_POSITIVEZ = 0x4000; -constexpr uint32_t DDSCAPS2_CUBEMAP_NEGATIVEZ = 0x8000; -constexpr uint32_t DDSCAPS2_VOLUME = 0x200000; - -constexpr uint32_t DDSCAPS2_CUBEMAP_ALLFACES = - DDSCAPS2_CUBEMAP_POSITIVEX | DDSCAPS2_CUBEMAP_NEGATIVEX | - DDSCAPS2_CUBEMAP_POSITIVEY | DDSCAPS2_CUBEMAP_NEGATIVEY | - DDSCAPS2_CUBEMAP_POSITIVEZ | DDSCAPS2_CUBEMAP_NEGATIVEZ; - -// DXGI formats (subset covering common DDS textures) -enum class DXGIFormat : uint32_t { - UNKNOWN = 0, - R32G32B32A32_FLOAT = 2, - R32G32B32A32_UINT = 3, - R32G32B32A32_SINT = 4, - R32G32B32_FLOAT = 6, - R32G32B32_UINT = 7, - R32G32B32_SINT = 8, - R16G16B16A16_FLOAT = 10, - R16G16B16A16_UNORM = 11, - R16G16B16A16_UINT = 12, - R16G16B16A16_SNORM = 13, - R16G16B16A16_SINT = 14, - R32G32_FLOAT = 16, - R32G32_UINT = 17, - R32G32_SINT = 18, - R10G10B10A2_UNORM = 24, - R10G10B10A2_UINT = 25, - R11G11B10_FLOAT = 26, - R8G8B8A8_UNORM = 28, - R8G8B8A8_UNORM_SRGB = 29, - R8G8B8A8_UINT = 30, - R8G8B8A8_SNORM = 31, - R8G8B8A8_SINT = 32, - R16G16_FLOAT = 34, - R16G16_UNORM = 35, - R16G16_UINT = 36, - R16G16_SNORM = 37, - R16G16_SINT = 38, - R32_FLOAT = 41, - R32_UINT = 42, - R32_SINT = 43, - R8G8_UNORM = 49, - R8G8_UINT = 50, - R8G8_SNORM = 51, - R8G8_SINT = 52, - R16_FLOAT = 54, - R16_UNORM = 56, - R16_UINT = 57, - R16_SNORM = 58, - R16_SINT = 59, - R8_UNORM = 61, - R8_UINT = 62, - R8_SNORM = 63, - R8_SINT = 64, - A8_UNORM = 65, - BC1_UNORM = 71, - BC1_UNORM_SRGB = 72, - BC2_UNORM = 74, - BC2_UNORM_SRGB = 75, - BC3_UNORM = 77, - BC3_UNORM_SRGB = 78, - BC4_UNORM = 80, - BC4_SNORM = 81, - BC5_UNORM = 83, - BC5_SNORM = 84, - B5G6R5_UNORM = 85, - B5G5R5A1_UNORM = 86, - B8G8R8A8_UNORM = 87, - B8G8R8X8_UNORM = 88, - B8G8R8A8_UNORM_SRGB = 91, - B8G8R8X8_UNORM_SRGB = 93, - BC6H_UF16 = 95, - BC6H_SF16 = 96, - BC7_UNORM = 98, - BC7_UNORM_SRGB = 99, - B4G4R4A4_UNORM = 115, -}; - -// D3D10 resource dimension -enum class D3D10ResourceDimension : uint32_t { - Unknown = 0, - Buffer = 1, - Texture1D = 2, - Texture2D = 3, - Texture3D = 4, -}; - -#pragma pack(push, 1) - -struct DDSPixelFormat { - uint32_t dwSize; - uint32_t dwFlags; - uint32_t dwFourCC; - uint32_t dwRGBBitCount; - uint32_t dwRBitMask; - uint32_t dwGBitMask; - uint32_t dwBBitMask; - uint32_t dwABitMask; -}; - -struct DDSHeader { - uint32_t dwSize; - uint32_t dwFlags; - uint32_t dwHeight; - uint32_t dwWidth; - uint32_t dwPitchOrLinearSize; - uint32_t dwDepth; - uint32_t dwMipMapCount; - uint32_t dwReserved1[11]; - DDSPixelFormat ddspf; - uint32_t dwCaps; - uint32_t dwCaps2; - uint32_t dwCaps3; - uint32_t dwCaps4; - uint32_t dwReserved2; -}; - -struct DDSHeaderDXT10 { - DXGIFormat dxgiFormat; - D3D10ResourceDimension resourceDimension; - uint32_t miscFlag; - uint32_t arraySize; - uint32_t miscFlags2; -}; - -#pragma pack(pop) - -// Sampler type for shader selection -enum class SamplerType { Float, UInt, SInt }; - -// OpenGL format info -struct GLFormatInfo { - bool valid = false; - bool compressed = false; - uint32_t internalFormat = 0; - uint32_t format = 0; // only for uncompressed - uint32_t type = 0; // only for uncompressed - SamplerType sampler = SamplerType::Float; - // Optional converter for non-standard bitmask formats - std::function<QByteArray(const QByteArray&, int, int)> converter; -}; - -// Inline helper: make a FourCC from 4 chars -constexpr uint32_t makeFourCC(char a, char b, char c, char d) -{ - return static_cast<uint32_t>(a) | (static_cast<uint32_t>(b) << 8) | - (static_cast<uint32_t>(c) << 16) | (static_cast<uint32_t>(d) << 24); -} - -// Convert a FourCC code to DXGI format -DXGIFormat fourCCToDXGI(uint32_t fourCC); - -// Resolve the OpenGL format from a DDS pixel format + optional DXT10 header -GLFormatInfo getGLFormat(const DDSPixelFormat& pf, const DDSHeaderDXT10* dxt10); - -// Calculate mip level data size in bytes -uint32_t mipDataSize(DXGIFormat fmt, const DDSPixelFormat& pf, - uint32_t width, uint32_t height); - -// Get a human-readable format description -QString formatDescription(const DDSPixelFormat& pf, const DDSHeaderDXT10* dxt10); - -#endif // DDSFORMAT_H |