Microsoft released Windows 7 system

Computer store news:

Microsoft today announced the Windows 7 system to obtain DirectX 11.1 in its official blog, in fact, this secret feature is hidden in the release of Windows 7 users yesterday. IE10.

Microsoft said in a blog that Windows 8 includes the latest DirectX 11.1 runtime, which supports Direct3D 11.1, new Direct2D and DirectWrite, DXGI 1.2 and new WIC. Windows 7 SP1 users can get some of the "DirectX 11.1 runtime" through an update KB 2670838, which was included in the Windows 7 version of IE10 download released yesterday. KB 2670838 contains the latest components of DirectX 11.1, but is limited to WDDM 1.1 driver on the 7 Windows.

Specifically, KB 2670838 brings the following DirectX 11.1 features for Windows 7 SP1 and Windows Server 2008 R2 SP1:

——ID3D11Device1, ID2D1Factory1, IDWriteFactory1, IDXGIFactory2, IWICImagingFactory2, ID3DUserDefinedAnnotation and related APIs;

—— Improve Direct3D 11 device interoperability through ID3DDeviceContextState, including improved interworking with Direct2D/DirectWrite;

——D3D11_FEATURE_DATA_D3D9_OPTIONS feature detection;

& mdash; & mdash; in addition to the new features of Windows 8 WIC, the update also fixes the floating point decoding 96bpp TIFF images.

But the following features are still exclusive to Windows 8 DirectX 11.1:

——Feature Level 11.1 Hardware;

——Feature Level 10.x/All D3D11_FEATURE_DATA_D3D11_OPTIONS function 11.0 equipment provided;

& mdash; & mdash; 16bpp formats support (DXGI_FORMAT_B5G6R5_UNORM, DXGI_FORMAT_B5G5R5A1_UNORM, DXGI_FORMAT_B4G4R4A4_UNORM);

& mdash; & mdash; optimized Tile delay nomogram (Deferred Renderer) based (D3D11_FEATURE_DATA_ARCHITECTURE_INFO);

& mdash; & mdash; optimization HLSL minimum precision shader (D3D11_FEATURE_SHADER_MIN_PRECISION_SUPPORT);

& mdash; & mdash; as Stereo, Occlusion status notification is provided, Desktop Duplication and NT Handle shared resource DXGI 1.2 functionality;

—— Windows Store application ICoreWindow functionality in DXGI 1.2;

——Feature Levels 11.0 and 11.1 WARP support;

& mdash; & mdash; Session 0 in Direct3D hardware support;

& mdash; & mdash; the DirectComposition API.

yesterday released the Windows version 7 IE10 preview version is included in the KB 2670838, if you have already installed Windows version 7 IE10, so now it has received some DirectX 11.1 capabilities. In addition to installing Windows version 7 IE10, you can also separately download and install KB 2670838.

KB 2670838 improves the functionality and performance of the following components:

——Direct2D

——DirectWrite

——Direct3D

& mdash; & mdash; Windows image processing component (WIC)

& mdash; & mdash; Windows advanced rasterization platform (twisted)

& mdash; & mdash; Windows animation Manager ( WAM)

& mdash; & mdash; XPS document API

& mdash; & mdash; H.264 video decoders

& mdash; & mdash; JPEG XR codec

Windows 7 IE10 version download: http://windows.microsoft.com/en-US/internet-explorer/ie-10-release-preview

KB 2670838 Downloads: < u> http://support.microsoft.com/kb/2670838