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OpenGL Headline News

GPU raycasting tutorial using the OpenGL API

Jan 31, 2007

GPU raycasting is a technique that can be used to render volumetric effects in real time. GPU raycasting is well suited for modern graphics cards, different optimizations and visual enhancements are easy to implement. This tutorial explains how to implement a simple GPU raycaster using the OpenGL API with vertex-fragment shaders and Nvidia’s CG. Includes demo with source.

Category: DevelopersPermalink

GLCaml Objective Caml interface to OpenGL API

Jan 29, 2007

GLCaml is an Objective Caml (general-purpose programming language) interface for OpenGL versions 1.1, through 2.1, plus extensions. It is intended as a compact drop-in direct, dynamic binding to the OpenGL API. An OCaml SDL binding is provided as well, along with texture-map scaling functions, texture mip-map generators, and a bitmapped font library.

Category: DevelopersPermalink

jslibs native libraries and OpenGL API wrapper for the SpiderMonkey Javascript engine

Jan 29, 2007

jslibs is a set of general-purpose native libraries for the SpiderMonkey Javascript engine (Mozilla’s C implementation of JavaScript). Some of these modules are simple wrappers to familiar libraries including the OpenGL API. Other modules provide tools for Javascript programming. Modules can be used in any project that embeds SpiderMonkey.

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BigWake OpenGL API-based alarm clock

Jan 29, 2007

BigWake is an OpenGL API-based alarm clock that is easy to use, and is rendered like an elegant analog clock.

Category: ApplicationsPermalink

Tao Framework v2.0 RC1 offers .Net and Mono bindings to OpenGL 2.1

Jan 28, 2007

The Tao Framework provides .NET and Mono bindings to various native libraries, including OpenGL, SDL, Cg, DevIL, ODE, OpenAL, Lua, and more. The new v2.0 RC1 includes bindings for OpenGL 2.1, FreeGLUT, OpenAL GLFW, CG 1.4, and SDL. The Tao.OpenGl binding has been completely rewritten with native bindings to OpenGL 2.1.

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GLEX OpenGL API extension specification parser

Jan 27, 2007

GLEX is an Open Source project that implements an OpenGL extension specification parser in PHP that can be used both online (using the OpenGL Extension Registry) or from the command line. It reads the specification text file either from a file or URL and outputs a minimal set of compact C source files that can be easily added to existing projects to initialize the desired extension. It is intended to be used when only a small number of extensions are required and code size should be minimized and to complement existing extension initialization libraries like GLEW or GLee. This makes it a good tool to test new extensions for which a specification is available but which are not yet included in any of the above libraries.  (also available at mirror site)

Category: DevelopersPermalink

Soft shadows dynamic branching benchmark v1.5.4 using OpenGL 2.0

Jan 22, 2007

This benchmark stresses the pixel pipelines by rendering a scene with soft shadows using a 7x7 kernel filter. The benchmark uses an OpenGL 2.0 codepath as well as OpenGL Shading Language shaders to render the soft shadows. You can enable or disable dynamic branching in the pixel shader in order to see the impact on the performances. Very handy to quickly benchmark a graphics card.

Category: DevelopersPermalink

Antiryad Gx 3d game engine v1.6 adds support for OpenGL 2.0

Jan 22, 2007

Antiryad Gx is a cross platform 3d game creator. It includes an embedded BASIC language and is very modular. The new v1.6 adds OpenGL 2.0 support using the OpenGL Shading Language, rendering optimization, new audio and video codec, and more.

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FOX (Free Objects for Crystallography) displays crystal structures using the OpenGL API

Jan 21, 2007

FOX (Free Objects for Crystallography)  in an open source program for determining crystal structure ab initio from diffraction data (mostly powder diffraction). It is built on an object-oriented crystallographic computing library called ObjCryst++. FOX features a graphical interface, including a 3D OpenGL API-based display of the crystal structure.

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Crystal Space v1.0 OpenGL API-based 3D engine framework

Jan 17, 2007

After nearly 10 years of development Crystal Space v1.0 is released. Crystal Space is an Open Source and portable 3D engine framework that runs on GNU/Linux, Windows, and MacOS/X. It fully supports the OpenGL API including vertex and fragment shaders, along with CG shaders and much more.

Category: DevelopersPermalink

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