466 lines
22 KiB
Plaintext
466 lines
22 KiB
Plaintext
DIRECTX TEXTURE LIBRARY (DirectXTex)
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Copyright (c) Microsoft Corporation. All rights reserved.
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May 31, 2018
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This package contains DirectXTex, a shared source library for reading and writing DDS
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files, and performing various texture content processing operations including
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resizing, format conversion, mip-map generation, block compression for Direct3D runtime
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texture resources, and height-map to normal-map conversion. This library makes
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use of the Windows Image Component (WIC) APIs. It also includes simple .TGA and .HDR
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readers and writers since these image file formats are commonly used for texture content
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processing pipelines, but are not currently supported by a built-in WIC codec.
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This code is designed to build with Visual Studio 2015 Update 3 or Visual Studio 2017.
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It is recommended that you make use of VS 2015 Update 3, Windows Tools 1.4.1, and the
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Windows 10 Anniversary Update SDK (14393) or VS 2017 (15.7 update) or later with the
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Windows 10 April 2018 Update SDK (17134).
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DirectXTex\
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This contains the DirectXTex library. This includes a full-featured DDS reader and writer
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including legacy format conversions, a TGA reader and writer, a HDR reader and writer,
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a WIC-based bitmap reader and writer (BMP, JPEG, PNG, TIFF, and HD Photo), and various
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texture processing functions. This is intended primarily for tool usage.
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Note that the majority of the header files here are intended for internal implementation
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of the library only (BC.h, BCDirectCompute.h, DDS.h, DirectXTexP.h, filters.h, and scoped.h).
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Only DirectXTex.h is meant as a 'public' header for the library.
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Texconv\
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This DirectXTex sample is an implementation of the "texconv" command-line texture utility
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from the DirectX SDK utilizing DirectXTex rather than D3DX.
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It supports the same arguments as the Texture Conversion Tool Extended (texconvex.exe) DirectX
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SDK utility. The primary differences are the -10 and -11 arguments are not applicable and the
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filter names (POINT, LINEAR, CUBIC, FANT or BOX, TRIANGLE, *_DITHER, *_DITHER_DIFFUSION).
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This also includes support for the JPEG XR (HD Photo) bitmap format.
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(see <http://blogs.msdn.com/b/chuckw/archive/2011/01/19/known-issue-texconvex.aspx>)
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See <https://github.com/Microsoft/DirectXTex/wiki/Texconv> for details.
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Texassemble\
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This DirectXTex sample is a command-line utility for creating cubemaps, volume maps, or
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texture arrays from a set of individual input image files.
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See <https://github.com/Microsoft/DirectXTex/wiki/Texassemble> for details.
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Texdiag\
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This DirectXTex sample is a command-line utility for analyzing image contents, primarily for
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debugging purposes.
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See <https://github.com/Microsoft/DirectXTex/wiki/Texdiag>
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DDSView\
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This DirectXTex sample is a simple Direct3D 11-based viewer for DDS files. For array textures
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or volume maps, the "<" and ">" keyboard keys will show different images contained in the DDS.
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The "1" through "0" keys can also be used to jump to a specific image index.
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DDSTextureLoader\
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This contains a streamlined version of the DirectX SDK sample DDSWithoutD3DX11 texture
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loading code for a simple light-weight runtime DDS loader. This version only supports
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Direct3D 11 or Direct3D 12 and performs no runtime pixel data conversions (i.e. 24bpp
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legacy DDS files always fail). This is ideal for runtime usage, and supports the full
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complement of Direct3D texture resources (1D, 2D, volume maps, cubemaps, mipmap levels,
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texture arrays, BC formats, etc.).
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ScreenGrab\
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This contains screen grab modules for Direct3D 11 and Direct3D 12 primarily intended
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for creating screenshots. The images are written as a DDS or as an image file format
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using WIC.
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WICTextureLoader\
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This contains a Direct3D 11 and Direct3D 12 2D texture loader that uses WIC to load a
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bitmap (BMP, JPEG, PNG, HD Photo, or other WIC supported file container), resize if needed
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based on the current feature level (or by explicit parameter), format convert to a
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DXGI_FORMAT if required, and then create a 2D texture. Note this does not support 1D textures,
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volume textures, cubemaps, or texture arrays. DDSTextureLoader is recommended for fully
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"precooked" textures for maximum performance and image quality, but this loader can be useful
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for creating simple 2D texture from standard image files at runtime.
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NOTE: DDSTextureLoader, ScreenGrab, and WICTextureLoader are 'stand-alone' versions of the same
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modules provided in the DirectX Tool Kit.
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All content and source code for this package are subject to the terms of the MIT License.
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<http://opensource.org/licenses/MIT>.
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Documentation is available at <https://github.com/Microsoft/DirectXTex/wiki>.
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For the latest version of DirectXTex, bug reports, etc. please visit the project site.
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http://go.microsoft.com/fwlink/?LinkId=248926
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This project has adopted the Microsoft Open Source Code of Conduct. For more information see the
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Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.
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https://opensource.microsoft.com/codeofconduct/
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------------------------------------
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RELEASE NOTES
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* The alpha mode specification for DDS files was updated between the March 2013 and April 2013 releases. Any
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DDS files created using the DDS_FLAGS_FORCE_DX10_EXT_MISC2 flag or the texconv -dx10 switch using the
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March 2013 release should be refreshed.
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* Due to the underlying Windows BMP WIC codec, alpha channels are not supported for 16bpp or 32bpp BMP pixel format
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files. The Windows 8.x and Windows 10 version of the Windows BMP WIC codec does support 32bpp pixel formats with
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alpha when using the BITMAPV5HEADER file header. Note the updated WIC is available on Windows 7 SP1 with KB 2670838
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installed.
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* 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)
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pixel format enumerations, the DirectX 10.x and 11.0 Runtimes do not support these formats for use with Direct3D.
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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
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4:4:4:4).
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* WICTextureLoader cannot load .TGA or .HDR files unless the system has a 3rd party WIC codec installed. You
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must use the DirectXTex library for TGA/HDR file format support without relying on an add-on WIC codec.
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* Loading of 96bpp floating-point TIFF files results in a corrupted image prior to Windows 8. This fix is available
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on Windows 7 SP1 with KB 2670838 installed.
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* The VS 2017 projects make use of /permissive- for improved C++ standard conformance. Use of a Windows 10 SDK prior to
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the Fall Creators Update (16299) or an Xbox One XDK prior to June 2017 QFE 4 may result in failures due to problems
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with the system headers. You can work around these by disabling this switch in the project files which is found
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in the <ConformanceMode> elements.
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* The VS 2017 projects require the 15.5 update or later. For UWP and Win32 classic desktop projects with the 15.5
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or 15.6 updates, you need to install the standalone Windows 10 SDK (17134) which is otherwise included in
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the 15.7 update. Older VS 2017 updates will fail to load the projects due to use of the <ConformanceMode> element.
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If using the 15.5 or 15.6 updates, you will see "warning D9002: ignoring unknown option '/Zc:__cplusplus'" because
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this switch isn't supported until 15.7. It is safe to ignore this warning, or you can edit the project files
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<AdditionalOptions> elements.
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------------------------------------
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RELEASE HISTORY
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May 31, 2018
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Fix for IsAlphaAllOpaque for 'near opaque' values
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VS 2017 updated for Windows 10 April 2018 Update SDK (17134)
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May 11, 2018
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Workaround for WIC issue doing FP32->FP16 conversions
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Updated for VS 2017 15.7 update warnings
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Code and project cleanup
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Retired VS 2013 projects
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April 23, 2018
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Code cleanup
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texconv: Updated with support reading "Extended BMP" files using DXTn
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texconv: Updated to handle non-power-of-2 volume textures with mipmaps
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texassemble, texconv, texdiag: support format name aliases like DXT3, RGBA, BGRA, FP16, etc. in addition to truncated DXGI_FORMAT_ values
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February 9, 2018
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HDR (RGBE Radiance) file format reader updated to support #?RGBE signature
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texconv: Added -rotatecolor and -nits switches
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texassemble: Added merge and gif commands
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texdiag: added dumpdds command
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February 7, 2018
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Fixed bug with GPU BC7 encoding (mode 1, fixup 6)
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Updated for a few more VS 2017 warnings
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Code cleanup
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December 13, 2017
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Updated for VS 2017 15.5 update warnings
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Support building library with _XM_NO_XMVECTOR_OVERLOADS_
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Code cleanup
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November 1, 2017
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VS 2017 updated for Windows 10 Fall Creators Update SDK (16299)
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September 22, 2017
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Updated for VS 2017 15.3 update /permissive- changes
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WIC writer and ScreenGrab updated to use non-sRGB metadata for PNG
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texassemble, texconv, texdiag: added -flist option
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July 26, 2017
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Support for reading non-standard DDS files written by nVidia Texture Tools (NVTT)
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Fix for ComputeMSE when using CMSE_IMAGE2_X2_BIAS
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Fix for WIC writer then codec target format requires a palette
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Code cleanup
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April 24, 2017
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VS 2017 project updates
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Regenerated shaders using Windows 10 Creators Update SDK (15063)
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Updated D3DX12 internal copy to latest version
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April 7, 2017
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VS 2017 updated for Windows Creators Update SDK (15063)
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texassemble: -tonemap switch
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texconv: -wicmulti switch
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January 31, 2017
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DirectX 12 versions of IsSupported, CreateTexture (PrepareUpload), and CaptureTexture
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Update to DirectX 11 version of IsSupported
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WIC format 40bppCMYKAlpha should be converted to RGBA8 rather than RGBA16
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DDS support for L8A8 with bitcount 8 rather than 16
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DXGI_FORMAT_R32G8X24_TYPELESS and DXGI_FORMAT_R24G8_TYPELESS should be IsDepthStencil formats
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Updates to DDSTextureLoader, ScreenGrab, and WICTextureLoader
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Minor code cleanup
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December 5, 2016
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Fixed over-validation in DDS header parsing
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VS 2017 RC projects added
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Minor code cleanup
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October 5, 2016
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*breaking change*
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Renamed Evaluate to EvaluateImage, Transform to TransformImage
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texdiag: new command-line tool for texture debugging
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texconv: -bcmax, -bcquick, -tonemap, and -x2bias switches
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texconv: overwrite writing and -y switch
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texconv/texassemble: optional OpenEXR support
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texassemble: command syntax with support for generating strip and cross images from cubemap
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Updates to DDSTextureLoader, WICTextureLoader, and ScreenGrab
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Minor code cleanup
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September 14, 2016
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HDR (RGBE Radiance) file format reader and writer
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Evaluate and Transform functions for computing user-defined functions on images
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Fix BC6H GPU shaders on WARP device
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Fix for alignment issues on ARM devices in software compression codec
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Added TEX_THRESHOLD_DEFAULT (0.5f) constant default alpha threshold value for Convert & Compress
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Minor CaptureTexture optimization
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texconv/texassemble: Support for .hdr file format
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texconv: added -gpu switch to specify adapter to use for GPU-based compression codecs
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texconv: added -badtails switch to enable loading of legacy DXTn DDS files with incomplete mipchain tails
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texconv: added -c switch for old-school colorkey/chromakey transparency to alpha conversion
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texconv: added -alpha switch for reverse premultiply along with TEX_PMALPHA_REVERSE flag
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texconv: added wildcard support for input filename and optional -r switch for recursive search
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August 4, 2016
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CompileShader script updated to build external pdbs
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Regenerated shaders using Windows 10 Anniversary Update SDK (14393)
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August 2, 2016
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Updated for VS 2015 Update 3 and Windows 10 SDK (14393)
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August 1, 2016
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Workaround for bug in XMStoreFloat3SE (impacts conversions to DXGI_FORMAT_R9G9B9E5_SHAREDEXP)
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DDSTextureLoader12, WICTextureLoader12, and ScreenGrab12 for Direct3D 12 support
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Minor code cleanup
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June 27, 2016
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texconv command-line tool -wicq and -wiclossless switches
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Code cleanup
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April 26, 2016
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Optional callback from WIC reader functions to query additional metadata
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Retired obsolete adapter code
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Minor code cleanup
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February 23, 2016
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Fix to clean up partial or zero-length image files on failed write
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Retired VS 2012 projects
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November 30, 2015
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texconv command-line tool -fl switch now supports 12.0 and 12.1 feature levels
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Updated for VS 2015 Update 1 and Windows 10 SDK (10586)
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October 30, 2015
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DDS support for legacy bumpmap formats (V8U8, Q8W8V8U8, V16U16)
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Fix for buffer overread in BC CPU compressor
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Minor code cleanup
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August 18, 2015
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Added GetWICFactory and SetWICFactory
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Updates for new DXGI 1.3 types
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Xbox One platform updates
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July 29, 2015
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Fixed rounding problem with 32-bit RGBA/BGRA format conversions
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texconv: use CPU parallel compression for BC1-BC5 (-singleproc disables)
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Updated for VS 2015 and Windows 10 SDK RTM
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Retired VS 2010 and Windows 8.0 Store projects
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June 18, 2015
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New BC_FLAGS_USE_3SUBSETS option for BC7 compressors; now defaults to skipping 3 subset blocks
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Fixed bug with MakeTypeless and A8_UNORM
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Fixed file length validation problem in LoadDDSFromFile
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March 27, 2015
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Added projects for Windows apps Technical Preview
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Fixed bug with WIC-based mipmap generation for non-WIC supported formats
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Fixed bug with WIC multiframe loader when resizing required
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texconv: Added -nmap/-nmapamp for generating normal maps from height maps
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texconv/texassemble: Updated to load multiframe WIC files (tiff, gif)
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Minor code cleanup
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November 24, 2014
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Updates for Visual Studio 2015 Technical Preview
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Minor code cleanup
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September 22, 2014
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Format conversion improvements and bug fixes (depth/stencil, alpha-only, float16, RGB -> 1 channel)
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Fixed issue when BC decompressing non-standard compressed rowPitch images
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Explicit calling-convention annotation for all 'public' functions
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Code cleanup
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Xbox One platform updates
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July 15, 2014
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texconv command-line tool fixes
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Fixed problem with 'wide' images with CPU Compress
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Updates to Xbox One platform support
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April 3, 2014
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Windows phone 8.1 platform support
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February 24, 2014
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Direct3D 11 video and Xbox One extended format support
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New APIs: IsPlanar, IsPalettized, IsDepthStencil, ConvertToSinglePlane
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Added 'alphaWeight' parameter to GPU Compress [breaking change]
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texconv '-aw' switch to control the alpha weighting for the BC7 GPU compressor
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Fixed bug with ordered dithering in non-WIC conversion codepaths
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Fixed SaveToDDS* functions when using arbitrary row pitch values
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January 24, 2014
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Added sRGB flags for Compress (TEX_COMPRESS_SRGB*)
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Added 'compress' flag parameter to GPU versions of Compress [breaking change]
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Minor fix for potential rounding problem in GPU Compress
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Code cleanup (removed DXGI_1_2_FORMATS control define; ScopedObject typedef removed)
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Dropped VS 2010 support without the Windows 8.1 SDK (removed USE_XNAMATH control define)
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December 24, 2013
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texconv updated with -fl and -pow2 command-line switches
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Fixed bug in Resize when doing custom filtering which occurred when exactly doubling the image size
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Added move operators to ScratchImage and Blob classes
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Xbox One platform support
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October 21, 2013
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Updated for Visual Studio 2013 and Windows 8.1 SDK RTM
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PremultiplyAlpha updated with new 'flags' parameter and to use sRGB correct blending
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Fixed colorspace conversion issue with DirectCompute compressor when compressing for BC7 SRGB
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August 13, 2013
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DirectCompute 4.0 BC6H/BC7 compressor integration
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texconv utility uses DirectCompute compression by default for BC6H/BC7, -nogpu disables use of DirectCompute
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August 1, 2013
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Support for BC compression/decompression of non-power-of-2 mipmapped textures
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Fixes for BC6H / BC7 codecs to better match published standard
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Fix for BC4 / BC5 codecs when compressing RGB images
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Minor fix for the BC1-3 codec
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New optional flags for ComputeMSE to compare UNORM vs. SNORM images
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New WIC loading flag added to control use of WIC metadata to return sRGB vs. non-sRGB formats
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Code cleanup and /analyze fixes
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Project file cleanup
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Texconv utility uses parallel BC compression by default for BC6H/BC7, -singleproc disables multithreaded behavior
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July 1, 2013
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VS 2013 Preview projects added
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SaveToWIC functions updated with new optional setCustomProps parameter
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June 15, 2013
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Custom filtering implementation for Resize & GenerateMipMaps(3D) - Point, Box, Linear, Cubic, and Triangle
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TEX_FILTER_TRIANGLE finite low-pass triangle filter
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TEX_FILTER_WRAP, TEX_FILTER_MIRROR texture semantics for custom filtering
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TEX_FILTER_BOX alias for TEX_FILTER_FANT WIC
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Ordered and error diffusion dithering for non-WIC conversion
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sRGB gamma correct custom filtering and conversion
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DDS_FLAGS_EXPAND_LUMINANCE - Reader conversion option for L8, L16, and A8L8 legacy DDS files
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Added use of WIC metadata for sRGB pixel formats
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Added BitsPerColor utility function
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Fixed Convert threshold parameter usage
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Non-power-of-2 volume map support, fixed bug with non-square volume maps
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Texconv utility update with -xlum, -wrap, and -mirror options; reworked -if options for improved dithering
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Texassemble utility for creating cubemaps, volume maps, and texture arrays
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DDSTextureLoader and WICTextureLoader sync'd with DirectXTK versions
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April 16, 2013
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Updated alpha-mode metadata details in .DDS files
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Added new control flags for Convert
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Added new optional flags for ComputeMSE
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Fixed conversion handling for sRGB formats
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Fixed internal routines for handling R10G10B10_XR_BIAS_A2_UNORM, R9G9B9E5_SHAREDEXP, and FORMAT_R1_UNORM
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Fixed WIC I/O for GUID_WICPixelFormat32bppRGBE pixel format files (HD Photo)
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Fixed non-square image handling in GenerateMipMaps3D
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Fixed some error handling in the DDS load code
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March 22, 2013
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Supports reading and writing alpha-mode (straight, premultiplied, etc.) metadata in .DDS files
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Added build option to use WICCreateImagingFactory_Proxy instead of CoCreateInstance to obtain WIC factory
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January 29, 2013
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Added PremultiplyAlpha to DirectXTex; -pmalpha switch for texconv command-line tool
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Fixed problem with forceSRGB implementation for Ex versions of CreateTexture, CreateShaderResourceView, DDSTextureLoader and WICTextureLoader
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December 11, 2012
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Ex versions of CreateTexture, CreateShaderResourceView, DDSTextureLoader and WICTextureLoader
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Fixed BC2 and BC3 decompression issue for unusual color encoding case
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Converted annotation to SAL2 for improved VS 2012 /analyze experience
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Updated DirectXTex, DDSView, and Texconv with VS 2010 + Windows 8.0 SDK project using official 'property sheets'
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November 15, 2012
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Added support for WIC2 when available on Windows 8 and Windows 7 with KB 2670838
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Added optional targetGUID parameter to SaveWIC* APIs to influence final container pixel format choice
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Fixed bug in SaveDDS* which was generating invalid DDS files for 1D dimension textures
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Improved robustness of CaptureTexture when resolving MSAA source textures
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Sync'd DDSTextureLoader, ScreenGrab, and WICTextureLoader standalone versions with latest DirectXTK release
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September 28, 2012
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Added ScreenGrab module for creating runtime screenshots
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Renamed project files for better naming consistency
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New Typeless utilities for DirectXTex
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Some minor code cleanup for DirectXTex's WIC writer function
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Bug fixes and new -tu/-tf options for texconv
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June 22, 2012
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Moved to using XNA Math 2.05 instead of XNA Math 2.04 for USE_XNAMATH builds
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Fixed BGR vs. RGB color channel swizzle problem with 24bpp legacy .DDS files in DirectXTex
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Update to DirectXTex WIC and WICTextureLoader for additional 96bpp float format handling on Windows 8
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May 31, 2012
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Minor fix for DDSTextureLoader's retry fallback that can happen with 10level9 feature levels
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Switched to use "_DEBUG" instead of "DEBUG" and cleaned up debug warnings
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added Windows Store style application project files for DirectXTex
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April 20, 2012
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DirectTex's WIC-based writer opts-in for the Windows 8 BMP encoder option for writing 32 bpp RGBA files with the BITMAPV5HEADER
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March 30, 2012
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WICTextureLoader updated with Windows 8 WIC pixel formats
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DirectXTex updated with limited non-power-of-2 texture support and TEX_FILTER_SEPARATE_ALPHA option
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Texconv updated with '-sepalpha' command-line option
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Added USE_XNAMATH control define to build DirectXTex using either XNAMath or DirectXMath
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Added VS 2012 project files (which use DirectXMath instead of XNAMath and define DXGI_1_2_FORMATS)
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March 15, 2012
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Fix for resource leak in CreateShaderResourceView() Direct3D 11 helper function in DirectXTex
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March 5, 2012
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Fix for too much temp memory allocated by WICTextureLoader; cleaned up legacy 'min/max' macro usage in DirectXTex
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February 21, 2012
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WICTextureLoader updated to handle systems and device drivers without BGRA or 16bpp format support
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February 20, 2012
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Some code cleanup for DirectXTex and DDSTextureLoader
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Fixed bug in 10:10:10:2 format fixup in the LoadDDSFromMemory function
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Fixed bugs in "non-zero alpha" special-case handling in LoadTGAFromFile
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Fixed bug in _SwizzleScanline when copying alpha channel for BGRA<->RGBA swizzling
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February 11, 2012
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Update of DDSTextureLoader to also build in Windows Store style apps; added WICTextureLoader
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Added CMYK WIC pixel formats to the DirectXTex conversion table
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January 30, 2012
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Minor code-cleanup for DirectXTex to enable use of PCH through 'directxtexp.h' header
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January 24, 2011
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Some code-cleanup for DirectXTex
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Added DXGI 1.2 implementation for DDSTextureLoader and DirectXTex guarded with DXGI_1_2_FORMATS compiliation define
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December 16, 2011
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Fixed x64 compilation warnings in DDSTextureLoader
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November 30, 2011
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Fixed some of the constants used in IsSupportedTexture(),
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added ability to strip off top levels of mips in DDSTextureLoader,
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changed DirectXTex to use CoCreateInstance rather than LoadLibrary to obtain the WIC factory,
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a few minor /analyze related annotations for DirectXTex
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October 27, 2011
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Original release |