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OpenGL News Archives

Xj3d vM10 OpenGL API-accelerated X3D browser/toolkit enhances rendering speed and uses OpenGL Shadin

Xj3D is an open source toolkit for X3D (the XML and network-savvy successor to VRML), completely written in Java and using the OpenGL API for hardware acceleration. The new Xj3D M10 features installers for Windows, Linux and Mac OS X. It now uses JOGL Java bindings for OpenGL which give it a 2X speed increase. The new H-Anim component support uses a hardware path and OpenGL Shading Language shaders for 2-3X speed improvement on Nvidia GeForce cards. M10 also adds support for several key X3D components including:  CADGeometry, DIS (distributed interactive simulation), and GeoSpatial. Custom extensions include: Rigid Body Physics, Particle Systems, Clipping planes, Picking Utilities, Abstract Device IO.

Feb 17, 2005 | Read article... | Permalink

Vertex Buffer Objects demo using GLUT

This basic Vertex Buffer Objects demo loads up an image and creates a landscape from it based on the pixels intensity. Simple but useful for learning.

Feb 16, 2005 | Read article... | Permalink

Texture bombing using the OpenGL Shading Language

Texture bombing is a technique that adds richness to a surface by randomly distributing small detail images onto it in texture space. The demo uses the OpenGL Shading Language and requires a GeForce 6x00 card to run.

Feb 15, 2005 | Read article... | Permalink

KToon 2D Animation Toolkit using Qt and the OpenGL API

KToon is an open source 2D animation toolkit for cartoon production based on traditional animation. It uses the OpenGL API and QT. This first release includes two modules: Ilustration and Animation. Also supports onion-skin and motion tweening.

Feb 15, 2005 | Read article... | Permalink

12 GPU OpenGL API-based shader demo programs

This is a set of 12 demos with source for writing Shaders on programmable GPUs. Most require NVIDIA FX5200 or better, although some may run on older cards. The demos were written on Linux, but all based on GLUT so they should run on Windows or other platforms.

Feb 15, 2005 | Read article... | Permalink

GLee 5.02 adds support for EXT_framebuffer_object

The OpenGL Easy Extension library (GLee) makes life easier for OpenGL developers by automatically linking OpenGL extensions and core functions at initialization time. The new v5.02 for Windows and Linux adds support for the EXT_framebuffer_object. It supports OpenGL 2.0 and 332 extensions (17 new since 4.0), as well as offering support for experimental extensions.

Feb 14, 2005 | Read article... | Permalink

Espresso3D Java OpenGL API-based engine adds skyboxes

Espresso3D is a high performance real-time OpenGL API-based 3D engine for Java. The new v0.3 adds support for sky boxes, 2D fixed and variable width bitmap fonts, 2D fixed and variable size images, mouse input, multiple render modes, texture animation, and many bug-fixes, performance enhancements, and improvements.

Feb 14, 2005 | Read article... | Permalink

SaVi 1.2.6 satellite constellation visualizer improves OpenGL API texture mapped rendering

SaVi (satellite constellation visualization) lets you simulate Iridium, Globalstar, ICO Global, GPS, Teledesic and other systems in 3D on your desktop. The new v 1.2.6 makes the OpenGL API-based Geomview rendering faster and more responsive, particularly when texturemapping.

Feb 14, 2005 | Read article... | Permalink

Nomia and Scrample use the OpenGL API for Mac OS X word play games

Scramble (find as many words from the random letter combo as possible) and Nomia (find words on a grid and challenge your skills of perception) are Mac OS X 3D games that challenges a player’s word knowledge. Internet versions allow players around the world to play against each other in weekly web challenges.  The products take advantage of the OpenGL API for hardware accelerated rendering.

Feb 14, 2005 | Read article... | Permalink

OpenGL Coding Challenge deadline extended to Feb 28, 2005

If you were having trouble completing your entry, note: the OpenGL Coding Challenge entry deadline has been extend until Feb 28th 2005! This should enable many more developers to complete entries, and allow others to further enhance their almost ready entries. Entry categories can be visual fx demos, games, Linux applications or a series of tutorials. Entries are accepted on Windows, Linux or Pocket PC. All levels of developer from beginner to advanced are encouraged to enter. There are over 50 prizes ranging from OpenGL ES handhelds and OpenGL video cards to travel and classes to developer software.  (This gives any quality entry a reasonable chance of winning). All demos and code goes into an open source library for other OpenGL ES/OpenGL developers to use.

Feb 11, 2005 | Read article... | Permalink

Nvidia to present full-day tutorial at GDC 2005: Next-Generation Rendering with OpenGL

This day-long tutorial (Tuesday, March 9, 10am-6pm) provides an in-depth look at the latest technologies in OpenGL, and how they can be applied to next generation game graphics. Takeaway: How to use the latest features of OpenGL to improve the look and performance of your games and art tools.  Also check out the OpenGL ES presentation on Wed March 9, 12pm-1pm.

Feb 11, 2005 | Read article... | Permalink

ZP+: correct Z-pass stencil shadows using the OpenGL Shading Language

feature graphic

ZP+ ( “Z-Pass Plus” ) is a new method for correcting the defects of the Z-pass method for rendering shadow volumes cast by a point light source. ZP+ uses an OpenGL Shading Language vertex program to clip the shadow-volume quads in a special way. It also takes advantage of triangle-strips and VBO since the mesh need not be cut into a light-cap and a dark-cap anymore. This yields frame-rates faster than Z-fail in most cases, and stencil shadows become more applicable to large meshes.

Feb 11, 2005 | Read article... | Permalink

Animadead V2.0 skeletal animation library offers OpenGL API example implementations

Animadead is a skeletal animation library that provides game developers with an easy to use interface for implementing skeletal animations in a game. Release 2.0 uses quaternions internally to store local transformations, skeletal hierarchies, can blend animations, and improve the export plugin for Maya. Animadead is written in C++ and has no dependencies. Example implementations are provided that use the OpenGL and SDL APIs.

Feb 11, 2005 | Read article... | Permalink

Per-Pixel Displacement Mapping with Distance Functions - sample chapter from GPU Gems 2

A sample chapter from GPU Gems 2 is available entitled “Per-Pixel Displacement Mapping with Distance Functions”, a technique for adding small-scale details to surfaces using displacement mapping of objects in a pixel shader. The algorithm, implemented using the OpenGL API, Cg and Sh, significantly increases the perceived geometric complexity of a scene while maintaining real-time performance.

Feb 11, 2005 | Read article... | Permalink

ActiveSolid v1.5 OpenGL API-based ActiveX control adds associative dimensioning

ActiveSolid is an OpenGL API-based 3D ActiveX control with built-in GUI and an import/export plugin architecture. The new v1.5 adds associative 3D dimensions for accurate model measurements, 3D slicing for axis-aligned or arbitrary profile generation, local vertex editing and more.

Feb 10, 2005 | Read article... | Permalink

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