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DirectXTex texture processing library

http://go.microsoft.com/fwlink/?LinkId=248926

Release available for download on GitHub

Release History

November 11, 2020

  • Use SHCreateMemStream instead of CreateStreamOnHGlobal for Win32 on Windows 8.x or Windows 10
  • Updated D3DX12 internal copy with latest change from GitHub
  • Minor code and project cleanup

September 30, 2020

  • Added TGA_FLAGS flags to TGA reader/writer to control RGB vs. BGR, handling for all zero alpha channels, and TGA 2.0 colorspace metadata
    • TGA reader will now return a DXGI_FORMAT_*_SRGB format if TGA 2.0 colorspace metadata contains 2.2 or 2.4 gamma
    • Added forwarders for existing non-flags TGA functions, so there are no breaking changes
  • R16_SNORM and R8_SNORM pixel write code updated to round instead of truncate to better match DirectXMath behavior
  • Fixed bug in standalone WICTextureLoader for DX11/DX12 that resulted in WINCODEC_ERR_INSUFFICIENTBUFFER for some resize requests
  • Added Ex variants for DDSTextureLoader/WICTextureLoader for DX9 to support loading resources for non-DEFAULT pools
  • Minor code and project cleanup

August 15, 2020

  • Added DDS_FLAGS_ALLOW_LARGE_FILES flag for DDS loader to allow textures with dimensions that are too big for Direct3D
  • Added FormatDataType function
  • Fixed bug with DX12 Capture with 'small alignment' textures
  • Code review and project updates
  • Added GDK projects
  • texassemble: updated with -fl switch for feature level based warning
  • texconv: updated with -reconstructz switch for BC5 compressed normal map view conversion

July 2, 2020

  • Minor warning fixes for VS 2019 (16.7)
  • CMake updates
  • texassemble: Fixed animated gif handling with transparency

June 15, 2020

  • Code cleanup for some new VC++ 16.7 warnings and static code analysis
  • texconv: Updated with support for Portable Pix Map (ppm) & Portable Float Map (pfm) file formats

June 1, 2020

  • Converted to typed enum bitmask flags (see release notes for details on this potential breaking change)
    • ComputePitch, xxxDDSxxx, xxxWICxxx, FlipRotate, Resize, Convert, GenerateMipMaps, GenerateMipMaps3D, PremultiplyAlpha, Compress, ComputeNormalMap, CopyRectangle, ComputeMSE
  • WIC_FLAGS_DEFAULT_SRGB / WIC_LOADER_SRGB_DEFAULT flag added when loading image via WIC without explicit colorspace metadata
  • WIC loader for PNG codec now checks gAMA chunk to determine colorspace if the sRGB chunk is not found for legacy sRGB detection.
  • Fixed conformance issues when using /Zc:preprocessor
  • CMake project updates

May 10, 2020

  • HDR (RGBE Radiance) file format writer updated to accept half16 input
  • Code cleanup
  • Updated D3DX12 internal copy to Windows 10 SDK (19041) version
  • texassemble, texconv, texdiag: Updated with -l switch for case-sensitive file systems
  • texconv: Added -dx9 switch to force legacy compatible DDS files
  • texconv: Collapsed -bcuniform, -bcdither, -bcquick, and -bcmax into one -bc switch
  • Updates to DDSTextureLoader, ScreenGrab, and WICTextureLoader including new DX9 version

April 3, 2020

  • Updated D3DX12 internal copy to latest version
  • DDS loader updated for another BC7 FourCC variant
  • Code review (constexpr / noexcept usage)
  • CMake updated for PCH usage with 3.16 or later

February 14, 2020

  • Fixed quality bug in BC4S/BC5S compressor
  • Guard for divide-by-zero case in PremultiplyAlpha
  • texconv: added -at switch for alpha threshold value with BC1 compression
  • texconv: Fixed -nmap when outputting compressed UNORM formats
  • Code and project cleaup
  • Retired VS 2015 projects

December 17, 2019

  • Added ARM64 platform to VS 2019 Win32 desktop Win10 project
  • Updated CMake project
  • Code cleaup

October 17, 2019

  • Codec readers updated to return TEX_ALPHA_MODE_OPAQUE if reader returned an alpha channel due to conversion
  • Added DDS reader support for 'non-standard' BC6H/BC7 FourCC codes used by nVidia texture tools
  • TGA codec updated for TGA 2.0
  • Minor code review
  • Updated ScreenGrab module
  • texconv: Added -fixbc4x4switch

August 21, 2019

  • Updated D3DX12 internal copy to latest version
  • Added texassemble, texconv, and texdiag to CMake project
  • Code cleanup

June 30, 2019

  • Additional validation for Direct3D 11 texture loaders
  • Clang/LLVM warning cleanup
  • Renamed DirectXTex_Windows10.vcxproj to _Windows10_2017.vcxproj
  • Added VS 2019 UWP project

May 30, 2019

  • Regenerated shaders using Windows 10 April 2019 Update SDK (18362)
  • Added CMake project files
  • Code cleanup

April 26, 2019

  • Added VS 2019 desktop projects
  • Code cleanup for texture loaders
  • Officially dropped Windows Vista support
  • Minor code cleanup

February 7, 2019

  • Added ScaleMipMapsAlphaForCoverage function to the library
  • WIC Writer now has two new flags: WIC_FLAGS_FORCE_SRGB and WIC_FLAGS_FORCE_LINEAR
  • texassemble: added array-strip command
  • texconv: added -inverty, -keepcoverage switches

November 16, 2018

  • VS 2017 updated for Windows 10 October 2018 Update SDK (17763)
  • ARM64 platform configurations added to UWP projects

October 25, 2018

  • Use UTF-8 instead of ANSI for narrow strings
  • Updated D3DX12 internal copy to latest version
  • Minor code cleanup

August 17, 2018

  • Fixed problem loading legacy DDS files containing FOURCC pixel formats with ALPHAPIXELS also set
  • Fixed FlipRotate bug when doing 180 degree rotation
  • Updated for VS 2017 15.8

August 5, 2018

  • Improved support and validation for 16k textures (requires x64 native)
  • ComputePitch now returns an HRESULT
  • Fix BC7 GPU shaders on WARP device

July 3, 2018

  • BC7 CPU codec fix for 3subsets/-bcmax and minor optimization
  • BC7 GPU codec quantize fix and pbit optimization
  • BC6H CPU codec bounds checking fix
  • Code and project cleanup

May 31, 2018

  • Fix for IsAlphaAllOpaque for 'near opaque' values
  • VS 2017 updated for Windows 10 April 2018 Update SDK (17134)

May 11, 2018

  • Workaround for WIC issue doing FP32->FP16 conversions
  • Updated for VS 2017 15.7 update warnings
  • Code and project cleanup
  • Retired VS 2013 projects

April 23, 2018

  • Code cleanup
  • texconv: Updated with support reading "Extended BMP" files using DXTn
  • texconv: Updated to handle non-power-of-2 volume textures with mipmaps
  • texassemble, texconv, texdiag: support format name aliases like DXT3, RGBA, BGRA, FP16, etc. in addition to truncated DXGI_FORMAT_ values

February 9, 2018

  • HDR (RGBE Radiance) file format reader updated to support #?RGBE signature
  • texconv: Added -rotatecolor and -nits switches
  • texassemble: Added merge and gif commands
  • texdiag: added dumpdds command

February 7, 2018

  • Fixed bug with GPU BC7 encoding (mode 1, fixup 6)
  • Updated for a few more VS 2017 warnings
  • Code cleanup

December 13, 2017

  • Updated for VS 2017 15.5 update warnings
  • Support building library with _XM_NO_XMVECTOR_OVERLOADS_
  • Code cleanup

November 1, 2017

  • VS 2017 updated for Windows 10 Fall Creators Update SDK (16299)

September 22, 2017

  • Updated for VS 2017 15.3 update /permissive- changes
  • WIC writer and ScreenGrab updated to use non-sRGB metadata for PNG
  • texassemble, texconv, texdiag: added -flist option

July 26, 2017

  • Support for reading non-standard DDS files written by nVidia Texture Tools (NVTT)
  • Fix for ComputeMSE when using CMSE_IMAGE2_X2_BIAS
  • Fix for WIC writer then codec target format requires a palette
  • Code cleanup

April 24, 2017

  • VS 2017 project updates
  • Regenerated shaders using Windows 10 Creators Update SDK (15063)
  • Updated D3DX12 internal copy to latest version

April 7, 2017

  • VS 2017 updated for Windows Creators Update SDK (15063)
  • texassemble: -tonemap switch
  • texconv: -wicmulti switch

January 31, 2017

  • DirectX 12 versions of IsSupported, CreateTexture (PrepareUpload), and CaptureTexture
  • Update to DirectX 11 version of IsSupported
  • WIC format 40bppCMYKAlpha should be converted to RGBA8 rather than RGBA16
  • DDS support for L8A8 with bit-count 8 rather than 16
  • DXGI_FORMAT_R32G8X24_TYPELESS and DXGI_FORMAT_R24G8_TYPELESS should be IsDepthStencil formats
  • Updates to DDSTextureLoader, ScreenGrab, and WICTextureLoader
  • Minor code cleanup

December 5, 2016

  • Fixed over-validation in DDS header parsing
  • VS 2017 RC projects added
  • Minor code cleanup

October 5, 2016

  • breaking change Renamed Evaluate to EvaluateImage, Transform to TransformImage
  • texdiag: new command-line tool for texture debugging
  • texconv: -bcmax, -bcquick, -tonemap, and -x2bias switches
  • texconv: overwrite writing and -y switch
  • texconv/texassemble: optional OpenEXR support
  • texassemble: command syntax with support for generating strip and cross images from cubemap
  • Updates to DDSTextureLoader, WICTextureLoader, and ScreenGrab
  • Minor code cleanup

September 14, 2016

  • HDR (RGBE Radiance) file format reader and writer
  • Evaluate and Transform functions for computing user-defined functions on images
  • Fix BC6H GPU shaders on WARP device
  • Fix for alignment issues on ARM devices in software compression codec
  • Added TEX_THRESHOLD_DEFAULT (0.5f) constant default alpha threshold value for Convert & Compress
  • Minor CaptureTexture optimization
  • texconv/texassemble: Support for .hdr file format
  • texconv: added -gpu switch to specify adapter to use for GPU-based compression codecs
  • texconv: added -badtails switch to enable loading of legacy DXTn DDS files with incomplete mipchain tails
  • texconv: added -c switch for old-school colorkey/chromakey transparency to alpha conversion
  • texconv: added -alpha switch for reverse premultiply along with TEX_PMALPHA_REVERSE flag
  • texconv: added wildcard support for input filename and optional -r switch for recursive search

August 4, 2016

  • CompileShader script updated to build external pdbs
  • Regenerated shaders using Windows 10 Anniversary Update SDK (14393)

August 2, 2016

  • Updated for VS 2015 Update 3 and Windows 10 SDK (14393)

August 1, 2016

  • Workaround for bug in XMStoreFloat3SE (impacts conversions to DXGI_FORMAT_R9G9B9E5_SHAREDEXP)
  • DDSTextureLoader12, WICTextureLoader12, and ScreenGrab12 for Direct3D 12 support
  • Minor code cleanup

June 27, 2016

  • texconv command-line tool -wicq and -wiclossless switches
  • Code cleanup

April 26, 2016

  • Optional callback from WIC reader functions to query additional metadata
  • Retired obsolete adapter code
  • Minor code cleanup

February 23, 2016

  • Fix to clean up partial or zero-length image files on failed write
  • Retired VS 2012 projects

November 30, 2015

  • texconv command-line tool -fl switch now supports 12.0 and 12.1 feature levels
  • Updated for VS 2015 Update 1 and Windows 10 SDK (10586)

October 30, 2015

  • DDS support for legacy bumpmap formats (V8U8, Q8W8V8U8, V16U16)
  • Fix for buffer overread in BC CPU compressor
  • Minor code cleanup

August 18, 2015

  • Added GetWICFactory and SetWICFactory
  • Updates for new DXGI 1.3 types
  • Xbox One platform updates

July 29, 2015

  • Fixed rounding problem with 32-bit RGBA/BGRA format conversions
  • texconv: use CPU parallel compression for BC1-BC5 (-singleproc disables)
  • Updated for VS 2015 and Windows 10 SDK RTM
  • Retired VS 2010 and Windows 8.0 Store projects

June 18, 2015

  • New BC_FLAGS_USE_3SUBSETS option for BC7 compressors; now defaults to skipping 3 subset blocks
  • Fixed bug with MakeTypeless and A8_UNORM
  • Fixed file length validation problem in LoadDDSFromFile

March 27, 2015

  • Added projects for Windows apps Technical Preview
  • Fixed bug with WIC-based mipmap generation for non-WIC supported formats
  • Fixed bug with WIC multiframe loader when resizing required
  • texconv: Added -nmap/-nmapamp for generating normal maps from height maps
  • texconv/texassemble: Updated to load multiframe WIC files (tiff, gif)
  • Minor code cleanup

November 24, 2014

  • Updates for Visual Studio 2015 Technical Preview
  • Minor code cleanup

September 22, 2014

  • Format conversion improvements and bug fixes (depth/stencil, alpha-only, float16, RGB -> 1 channel)
  • Fixed issue when BC decompressing non-standard compressed rowPitch images
  • Explicit calling-convention annotation for all 'public' functions
  • Code cleanup
  • Xbox One platform updates

July 15, 2014

  • texconv command-line tool fixes
  • Fixed problem with 'wide' images with CPU Compress
  • Updates to Xbox One platform support

April 3, 2014

  • Windows phone 8.1 platform support

February 24, 2014

  • Direct3D 11 video and Xbox One extended format support
  • New APIs: IsPlanar, IsPalettized, IsDepthStencil, ConvertToSinglePlane
  • Added 'alphaWeight' parameter to GPU Compress breaking change
  • texconv -aw switch to control the alpha weighting for the BC7 GPU compressor
  • Fixed bug with ordered dithering in non-WIC conversion codepaths
  • Fixed SaveToDDSxxx functions when using arbitrary row pitch values

January 24, 2014

  • Added sRGB flags for Compress (TEX_COMPRESS_SRGB*)
  • Added 'compress' flag parameter to GPU versions of Compress breaking change
  • Minor fix for potential rounding problem in GPU Compress
  • Code cleanup (removed DXGI_1_2_FORMATS control define; ScopedObject typedef removed)
  • Dropped VS 2010 support without the Windows 8.1 SDK (removed USE_XNAMATH control define)

December 24, 2013

  • texconv updated with -fl and -pow2 command-line switches
  • Fixed bug in Resize when doing custom filtering which occurred when exactly doubling the image size
  • Added move operators to ScratchImage and Blob classes
  • Xbox One platform support

October 21, 2013

  • Updated for Visual Studio 2013 and Windows 8.1 SDK RTM
  • PremultiplyAlpha updated with new 'flags' parameter and to use sRGB correct blending
  • Fixed colorspace conversion issue with DirectCompute compressor when compressing for BC7 SRGB

August 13, 2013

  • DirectCompute 4.0 BC6H/BC7 compressor integration
  • texconv utility uses DirectCompute compression by default for BC6H/BC7, -nogpu disables use of DirectCompute

August 1, 2013

  • Support for BC compression/decompression of non-power-of-2 mipmapped textures
  • Fixes for BC6H / BC7 codecs to better match published standard
  • Fix for BC4 / BC5 codecs when compressing RGB images
  • Minor fix for the BC1-3 codec
  • New optional flags for ComputeMSE to compare UNORM vs. SNORM images
  • New WIC loading flag added to control use of WIC metadata to return sRGB vs. non-sRGB formats
  • Code cleanup and /analyze fixes
  • Project file cleanup
  • texconv utility uses parallel BC compression by default for BC6H/BC7, -singleproc disables multithreaded behavior

July 1, 2013

  • VS 2013 Preview projects added
  • SaveToWIC functions updated with new optional setCustomProps parameter

June 15, 2013

  • Custom filtering implementation for Resize & GenerateMipMaps(3D) - Point, Box, Linear, Cubic, and Triangle
    • TEX_FILTER_TRIANGLE finite low-pass triangle filter
    • TEX_FILTER_WRAP, TEX_FILTER_MIRROR texture semantics for custom filtering
    • TEX_FILTER_BOX alias for TEX_FILTER_FANT WIC
  • Ordered and error diffusion dithering for non-WIC conversion
  • sRGB gamma correct custom filtering and conversion
  • DDS_FLAGS_EXPAND_LUMINANCE - Reader conversion option for L8, L16, and A8L8 legacy DDS files
  • Added use of WIC metadata for sRGB pixel formats
  • Added BitsPerColor utility function
  • Fixed Convert threshold parameter usage
  • Non-power-of-2 volume map support, fixed bug with non-square volume maps
  • texconv utility update with -xlum, -wrap, and -mirror options; reworked -if options for improved dithering
  • texassemble utility for creating cubemaps, volume maps, and texture arrays
  • DDSTextureLoader and WICTextureLoader sync'd with DirectXTK versions

April 16, 2013

  • Updated alpha-mode metadata details in .DDS files
  • Added new control flags for Convert
  • Added new optional flags for ComputeMSE
  • Fixed conversion handling for sRGB formats
  • Fixed internal routines for handling R10G10B10_XR_BIAS_A2_UNORM, R9G9B9E5_SHAREDEXP, and FORMAT_R1_UNORM
  • Fixed WIC I/O for GUID_WICPixelFormat32bppRGBE4 pixel format files (HD Photo)
  • Fixed non-square image handling in GenerateMipMaps3D
  • Fixed some error handling in the DDS load code

March 22, 2013

  • Supports reading and writing alpha-mode (straight, premultiplied, etc.) metadata in .DDS files
  • Added build option to use WICCreateImagingFactory_Proxy instead of CoCreateInstance to obtain WIC factory

January 29, 2013

  • Added PremultiplyAlpha to DirectXTex; -pmalpha switch for texconv command-line tool
  • Fixed problem with forceSRGB implementation for Ex versions of CreateTexture, CreateShaderResourceView, DDSTextureLoader and WICTextureLoader

December 11, 2012

  • Ex versions of CreateTexture, CreateShaderResourceView, DDSTextureLoader and WICTextureLoader
  • Fixed BC2 and BC3 decompression issue for unusual color encoding case
  • Converted annotation to SAL2 for improved VS 2012 /analyze experience
  • Updated DirectXTex, DDSView, and Texconv with VS 2010 + Windows 8.0 SDK project using official 'property sheets'

November 15, 2012

  • Added support for WIC2 when available on Windows 8 and Windows 7 with KB 2670838
  • Added optional targetGUID parameter to SaveWIC* APIs to influence final container pixel format choice
  • Fixed bug in SaveDDSxxx which was generating invalid DDS files for 1D dimension textures
  • Improved robustness of CaptureTexture when resolving MSAA source textures
  • Sync'd DDSTextureLoader, ScreenGrab, and WICTextureLoader standalone versions with latest DirectXTK release

September 28, 2012

  • Added ScreenGrab module for creating runtime screenshots
  • Renamed project files for better naming consistency
  • New Typeless utilities for DirectXTex
  • Some minor code cleanup for DirectXTex's WIC writer function
  • Bug fixes and new -tu/-tf options for texconv

June 22, 2012

  • Moved to using XNA Math 2.05 instead of XNA Math 2.04 for USE_XNAMATH builds
  • Fixed BGR vs. RGB color channel swizzle problem with 24bpp legacy .DDS files in DirectXTex
  • Update to DirectXTex WIC and WICTextureLoader for additional 96bpp float format handling on Windows 8

May 31, 2012

  • Minor fix for DDSTextureLoader's retry fallback that can happen with 10level9 feature levels
  • Switched to use _DEBUG instead of DEBUG and cleaned up debug warnings
  • added Windows Store style application project files for DirectXTex

April 20, 2012

  • DirectTex's WIC-based writer opts-in for the Windows 8 BMP encoder option for writing 32 bpp RGBA files with the BITMAPV5HEADER

March 30, 2012

  • WICTextureLoader updated with Windows 8 WIC pixel formats
  • DirectXTex updated with limited non-power-of-2 texture support and TEX_FILTER_SEPARATE_ALPHA option
  • Texconv updated with -sepalpha command-line option
  • Added USE_XNAMATH control define to build DirectXTex using either XNAMath or DirectXMath
  • Added VS 2012 project files (which use DirectXMath instead of XNAMath and define DXGI_1_2_FORMATS)

March 15, 2012

  • Fix for resource leak in CreateShaderResourceView Direct3D 11 helper function in DirectXTex

March 5, 2012

  • Fix for too much temp memory allocated by WICTextureLoader; cleaned up legacy 'min/max' macro usage in DirectXTex

February 21, 2012

  • WICTextureLoader updated to handle systems and device drivers without BGRA or 16bpp format support

February 20, 2012

  • Some code cleanup for DirectXTex and DDSTextureLoader
  • Fixed bug in 10:10:10:2 format fixup in the LoadDDSFromMemory function
  • Fixed bugs in "non-zero alpha" special-case handling in LoadTGAFromFile
  • Fixed bug in _SwizzleScanline when copying alpha channel for BGRA<->RGBA swizzling

February 11, 2012

  • Update of DDSTextureLoader to also build in Windows Store style apps; added WICTextureLoader
  • Added CMYK WIC pixel formats to the DirectXTex conversion table

January 30, 2012

  • Minor code-cleanup for DirectXTex to enable use of PCH through 'directxtexp.h' header

January 24, 2012

  • Some code-cleanup for DirectXTex
  • Added DXGI 1.2 implementation for DDSTextureLoader and DirectXTex guarded with DXGI_1_2_FORMATS compilation define

December 16, 2011

  • Fixed x64 compilation warnings in DDSTextureLoader

November 30, 2011

  • Fixed some of the constants used in IsSupportedTexture
  • added ability to strip off top levels of mips in DDSTextureLoader
  • changed DirectXTex to use CoCreateInstance rather than LoadLibrary to obtain the WIC factory
  • a few minor /analyze related annotations for DirectXTex

October 27, 2011

  • Original release