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Tutorial - Cg Pixel Shaders in OpenGL

Jul 06, 2004

This article provides an introduction to writing pixel shaders with the Cg shader programming language and using them in OpenGL with the ARB_fragment_program extension. It contains sample C and Cg code and is accompanied by a simple diffuse lighting demo with full source code.

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ACM Workshop on General Purpose Computing on Graphics Processors - Aug 7-8

Jul 01, 2004

The GP2 workshop, to be held the Saturday and Sunday before SIGGRAPH 2004 at the SIGGRAPH headquarter hotel, will explore current issues in general-purpose computing using graphics hardware. These issues include:

  • Do GPUs have the potential of being a useful co-processor for a wide variety of applications? What are their algorithmic and architectural niches and can these be broadened?
  • What are the major issues in terms of programmability, language and compiler support and software environments for GPUs?
  • What are some of the future technology trends that can lead to more widespread use of GPUs?

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Free J-Ball OpenGL API-based game

Jul 01, 2004

J-Ball builds on the classic game Jezzball. It uses an OpenGL API -based engine for rendering. Ths site features screenshots and more free OpenGL programs.

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Java3D source code released along with OpenGL API examples

Jun 28, 2004

Sun has announced that the source code for the core Java 3D API, vecmath, the Java 3D core
utilities, and the Java 3D program examples have been released under the Java Research and BSD licenses.  Java3D supports OpenGL API-hardware acceleration.

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OpenGL-API accelerated Maya Unlimited coming to Mac OS X

Jun 28, 2004

Maya Unlimited, the 3D animation and visual fx tool will come to Mac OS X by late summer 2004, including all tools that are available to artists with Maya Unlimited 6. Maya Unlimited requires an OpenGL API hardware accelerator.

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Apple announces “Core Image” for programmable OpenGL API GPUs

Jun 28, 2004

Core Image allows developers to leverage OpenGL and GPU rendering for very fast image processing. Effects and transitions can be expressed with a few lines of code for real-time, interactive responsiveness as you select and apply filters.  Core Video will provide a modern foundation for video services in Mac OS X Tiger. It provides a bridge between QuickTime and the GPU for hardware-accelerated video processing. This highly-optimized pipeline for video presentation increases performance and reduces CPU load, freeing up resources for other operations.

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Making the Ultimate Map using OpenGL API-based Keyhole software

Jun 28, 2004

Refering to the OpenGL API-based Keyhole software,  Newsweek magazine writes: “There it is, that good old pale blue dot in all its earthly glory, right there on your computer screen. It’s a familiar sight, even from a sky-high perspective experienced only by astronauts and angels. But hold on. By mousing around and clicking, you swoop like Superman, down, down, down, to a location on terra firma. Coastlines and rivers come into view, then cities, houses and even cars. And then, with another mouseclick, you can see the roads labeled, highlight the high-crime areas and locate the nearest Chinese restaurant”

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MeVisLab features GigaVoxelRenderer using the OpenGL API

Jun 28, 2004

feature graphic

MeVisLab is a research and prototyping platform for medical image processing and visualization and is used to develop scientific methods for computer assistance in medicine in general and radiology in particular. The OpenGL API is used extensively for 2D and 3D visualization. The GigaVoxelRenderer is a scalable, octree based, hardware-accelerated volume renderer capable of displaying large volumes.  MeVisLab is free for non-commercial use, an SDK is also available. License restrictions apply.

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DevLib V1.4 OpenGL API-based multimedia library adds support for fog, stencil buffer, lighting and

Jun 28, 2004

DevLib is designed to make multimedia productions (games, screen-savers, demos.) easier and more intuitive to write.  The new DevLib v1.4 is till compatible with DevCpp and VC7, using a better OpenGL abstraction, and released under LGPL license. This version also introduces support for fog, stencil buffer, lighting, device queries, log output, support for the OpenGL Extension Wrangler library and more.

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Soft Body 3.0 real-time soft body simulation using GLUT

Jun 28, 2004

Soft Body 3.0 simulates real time soft body behavior using an original pressure model. The free sample application for Windows uses the OpenGL API and GLUT.

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Cedega runs off the shelf DirectX 9 games on Linux using OpenGL 1.5 wrapper

Jun 24, 2004

Cedega (formerly known as WineX) allows Windows based games to run on
Linux, out-of-the-box, seamlessly and transparently.  The new Cedega
4.0
  supports DirectX 9.0 that works on top of the OpenGL 1.5 API,
including advanced Pixel and Vertex shaders. Cedega 4.0 also includes a
new advanced inter-process communication architecture that can double
the speed of games which make heavy use of Win32 kernel synchronization
primitives.

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Drome 3D engine supports OpenGL API shaders

Jun 24, 2004

Drome Engine is a 3D game engine written in C++ and using the OpenGL API.  It currently supports dynamic lightmaps, stenciled shadow volumes, sky domes, shaders, particle effects, and TrueType fonts (using FreeType 2).  The new v0.2.8. includes a a first-person perspective demo and 3 maps/levels.

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Minions of Mirth OpenGL API-based massively single player RPG

Jun 24, 2004

Minions of Mirth is a massively single player RPG which uses the OpenGL API for rendering.  It is being developed for both Mac OS X and Win32. The game is Open Source and based on the GPL Quake2 codebase.  The site features screenshots, features, and an 8 minute video.

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Shader Triathlon - Summer 2004 programming competition: call for OGLSL entries

Jun 24, 2004

ShaderTech, Nvidia, Discrete, RTzen, and GDC are sponsoring a shader programming competition: the Shader Triathlon. $20k worth of prizes are available. The deadline is August 1st, 2004 so get those OpenGL Shading Language enteries in now.

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OpenGL Shading Language updates

Jun 23, 2004

The ARB has approved minor updates (see the included revision histories) for the

OpenGL Shading Language Specification (version 1.10)

  and to the associated OpenGL extensions
ARB_shader_objects,
ARB_vertex_shader,
ARB_fragment_shader, and
ARB_shading_language_100.
  There is an updated version of the extension header file
glext.h
  corresponding to these changes, and some other registry updates
  including a new set of

naming conventions for Shading Language extensions
,
  an updated
extension-authoring template,
  and a very minor unrelated update to the
ARB_depth_texture
  extension.

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