NVIDIA OPEN SOURCES Cg COMPILER TECHNOLOGY



LONDON - JULY 26, 2002 - NVIDIA(r) Corporation (Nasdaq: NVDA), the worldwide
leader in visual processing solutions, today announced that it is open
sourcing the NVIDIA Cg Compiler technology under a nonrestrictive, free
license. Available in August for download from the developer.nvidia.com and
www.cgshaders.org Web sites, this code will contain the parser that reads
the language and creates intermediate code for compilation, as well as a
generic back-end. Together, these components provide everything required to
create optimized Cg compilers for other platforms and architectures. In
addition to the NVIDIA Cg Compiler, NVIDIA has provided full source code for
example shaders in the NVIDIA Cg Toolkit.



"We've experienced enormous interest in Cg since its introduction," said Dan
Vivoli, Vice President of Marketing at NVIDIA. "We're open sourcing this
compiler code to further accelerate the transition to an era of advanced
real-time effects through Cg."



"Petty licensing disputes have marred many attempts at industry wide
cooperation," said John Carmack, co-founder, owner and Lead Programmer of id
Software, Inc. "NVIDIA's decision to open source some of their development
work with a very liberal license is a positive step that I hope other
vendors will follow."



Emerging as the "C" for graphics, the Cg Language Specification provides
developers a complete programming environment that is easy to use and allows
for the fast creation of special effects and real-time cinematic quality
experiences on multiple platforms. By providing a new level of abstraction,
Cg removes the need for developers to program directly to the graphics
hardware assembly language, and thereby more easily target OpenGL(r),
DirectX(r) 8.0 and DirectX 9.0. The industry-standard Cg Language was
developed in close collaboration with Microsoft(r) Corporation and is
compatible with Microsoft's recently announced High Level Shading Language
for DirectX 9.0. Last month, NVIDIA announced the NVIDIA Cg Toolkit,
comprised of the NVIDIA Cg Compiler 1.0, optimized for DirectX and OpenGL;
the NVIDIA Cg Browser, a prototyping/visualisation environment with a large
library of Cg shaders; a CgFX file format; the Cg Standard Library; and a
collection of pre-written Cg shaders which can be used for a variety of
applications, ranging from game development to digital content creation and
computer-aided design. The NVIDIA Cg Toolkit and other user documentation
can be downloaded at http://developer.nvidia.com/cg.



About NVIDIA



NVIDIA Corporation (Nasdaq - NVDA), located in Santa Clara, CA, is the
global leader in advanced graphics and multimedia processing technology for
the consumer and professional computing markets. Its 2D, 3D, video and
multimedia capabilities make NVIDIA one of the premier semiconductor
companies in the world. NVIDIA offers a wide range of products and services,
delivering superior performance and crisp visual quality for PC-based
applications such as manufacturing, science, e-business, entertainment and
education.



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NVIDIA Corporation

+44 (118) 903 3015