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DirectXTex texture processing library
Home Page: http://blogs.msdn.com/b/chuckw/archive/2011/10/28/directxtex.aspx
This project forked from microsoft/directxtex
DirectXTex texture processing library
Home Page: http://blogs.msdn.com/b/chuckw/archive/2011/10/28/directxtex.aspx
DIRECTX TEXTURE LIBRARY (DirectXTex) ------------------------------------ Copyright (c) Microsoft Corporation. All rights reserved. April 26, 2016 This package contains DirectXTex, a shared source library for reading and writing DDS files, and performing various texture content processing operations including resizing, format conversion, mip-map generation, block compression for Direct3D runtime texture resources, and height-map to normal-map conversion. This library makes use of the Windows Image Component (WIC) APIs. It also includes a simple .TGA reader and writer since this image file format is commonly used for texture content processing pipelines, but is not currently supported by a built-in WIC codec. The source is written for Visual Studio 2013 or 2015. It is recommended that you make use of VS 2013 Update 5, VS 2015 Update 2, and Windows 7 Service Pack 1 or later. DDSTextureLoader\ This contains a streamlined version of the DirectX SDK sample DDSWithoutD3DX11 texture loading code for a simple light-weight runtime DDS loader. This version only supports Direct3D 11 and performs no runtime pixel data conversions (i.e. 24bpp legacy DDS files always fail). This is ideal for runtime usage, and supports the full complement of Direct3D 11 texture resources (1D, 2D, volume maps, cubemaps, mipmap levels, texture arrays, BC formats, etc.). WICTextureLoader\ This contains a Direct3D 11 2D texture loader that uses WIC to load a bitmap (BMP, JPEG, PNG, HD Photo, or other WIC supported file container), resize if needed based on the current feature level (or by explicit parameter), format convert to a DXGI_FORMAT if required, and then create a 2D texture. Furthermore, if a Direct3D 11 device context is provided and the current device supports it for the given pixel format, it will auto-generate mipmaps. Note this does not support 1D textures, volume textures, cubemaps, or texture arrays. DDSTextureLoader is recommended for fully "precooked" textures for maximum performance and image quality, but this loader can be useful for creating simple 2D texture from standard image files at runtime. Note: This function is not thread-safe if given a non-NULL device context for the auto-gen mip-map support. DirectXTex\ This contains the DirectXTex library. This includes a full-featured DDS reader and writer including legacy format conversions, a TGA reader and writer, a WIC-based bitmap reader and writer (BMP, JPEG, PNG, TIFF, and HD Photo), and various texture processing functions. This is intended primarily for tool usage. Note that the majority of the header files here are intended for internal implementation of the library only (BC.h, DDS.h, DirectXTexP.h, and scoped.h). Only DirectXTex.h is meant as a 'public' header for the library. Texconv\ This DirectXTex sample is an implementation of the "texconv" command-line texture utility from the DirectX SDK utilizing DirectXTex rather than D3DX. It supports the same arguments as the Texture Conversion Tool Extended (texconvex.exe) DirectX SDK utility. See <http://msdn.microsoft.com/en-us/library/ee422506.aspx>. The primary differences are the -10 and -11 arguments are not applicable; the filter names (POINT, LINEAR, CUBIC, FANT or BOX, TRIANGLE, *_DITHER, *_DITHER_DIFFUSION); and support for the .TGA file format. This also includes support for JPEG XR/HD Photo bitmap formats (see <http://blogs.msdn.com/b/chuckw/archive/2011/01/19/known-issue-texconvex.aspx>) Texassemble\ This DirectXTex sample is a command-line utility for creating cubemaps, volume maps, or texture arrays from a set of individual input image files. DDSView\ This DirectXTex sample is a simple Direct3D 11-based viewer for DDS files. For array textures or volume maps, the "<" and ">" keyboard keys will show different images contained in the DDS. The "1" through "0" keys can also be used to jump to a specific image index. All content and source code for this package are subject to the terms of the MIT License. <http://opensource.org/licenses/MIT>. Documentation is available at <https://github.com/Microsoft/DirectXTex/wiki>. For the latest version of DirectXTex, bug reports, etc. please visit the project site. http://go.microsoft.com/fwlink/?LinkId=248926 ------------------------------------ RELEASE NOTES * The alpha mode specification for DDS files was updated between the March 2013 and April 2013 releases. Any DDS files created using the DDS_FLAGS_FORCE_DX10_EXT_MISC2 flag or the texconv -dx10 switch using the March 2013 release should be refreshed. * Due to the underlying Windows BMP WIC codec, alpha channels are not supported for 16bpp or 32bpp BMP pixel format files. The Windows 8.x version of the Windows BMP WIC codec does support 32bpp pixel formats with alpha when using the BITMAPV5HEADER file header. Note the updated WIC is available on Windows 7 SP1 with KB 2670838 installed. * While DXGI 1.0 and DXGI 1.1 include 5:6:5 (DXGI_FORMAT_B5G6R5_UNORM) and 5:5:5:1 (DXGI_FORMAT_B5G5R5A1_UNORM) pixel format enumerations, the DirectX 10.x and 11.0 Runtimes do not support these formats for use with Direct3D. The DirectX 11.1 runtime, DXGI 1.2, and the WDDM 1.2 driver model fully support 16bpp formats (5:6:5, 5:5:5:1, and 4:4:4:4). * WICTextureLoader cannot load .TGA files unless the system has a 3rd party WIC codec installed. You must use the DirectXTex library for TGA file format support without relying on an add-on WIC codec. * Loading of 96bpp floating-point TIFF files results in a corrupted image prior to Windows 8. This fix is available on Windows 7 SP1 with KB 2670838 installed. ------------------------------------ RELEASE HISTORY 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 SaveToDDS* 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_WICPixelFormat32bppRGBE 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 SaveDDS* 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 Metro 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 Metro 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, 2011 Some code-cleanup for DirectXTex Added DXGI 1.2 implementation for DDSTextureLoader and DirectXTex guarded with DXGI_1_2_FORMATS compiliation 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
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