DirectX 10.1 in Windows Vista SP1

As Windows Vista brought to the table the exclusive DirectX 10, the first service pack for the operating system will evolve Microsoft's graphics technology to version 10.1. DirectX 10.1 is already available to over 12,000 testers via the first beta of Vista Service Pack 1, concomitantly with the official release of Build 6001.16659. Although the testing milestones of Vista, Windows Server 2008 and Windows XP SP3 Beta, are officially limited in terms of access, a hack is available designed to permit the download of Windows Vista SP1 Beta Build 6001.16659 straight from Microsoft, and simultaneously test drive DirectX 10.1.However, Vista users have to understand that DirectX 10.1, as well as DirectX 10 is a technology intimately connected with the underlying graphics card, such as the upcoming ATI Radeon HD 3800 Series. According to an AMD whitepaper focused on the implementation of DirectX 10.1 in the ATI Radeon HD 3800 Series, the latest application programming interface from Microsoft, manages to "unlock the state of the art in GPU technology.""DirectX 10.1 maintains the overall structure and programming model of DirectX 10, while providing numerous enhancements. The vertex, geometry, and pixel shader instruction sets have been updated to Shader Model 4.1. The new features of DirectX 10.1 can be divided into three general categories: new shading and texturing capabilities, anti-aliasing improvements, and tighter specifications. The following table highlights some of the key features in each of these categories, as well as some of the benefits they provide," states an excerpt of the ATI whitepaper on DirectX 10.1, via TeamATI.

Source : Softpedia