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MeVisLab 2.3 adds advanced rendering features based on GLSL

Jul 23, 2012

MeVisLab 2.3 adds several new visualization features based on OpenGL and GLSL: - deep shadow mapping (DSM) and local ambient occlusion (LAO) for Volume Rendering - screen-space ambient occlusion (SSAO, HBAO) - percentage closer soft shadows (PCSS) - mixing Volume Rendering and geometry with consistent shading - rendering of 3D geometry intersections on 2D slices (using the geometry shader) - the open source Open Inventor version provided with MeVisLab now supports fast VA/VBO rendering MeVisLab is a cross-platform image processing and visualization application focused on medical imaging. MeVisLab 2.3 is available as free download for non-commercial use for Windows/Linux/MacOS X, including 64bit versions.

Category: DevelopersPermalink

Invitation to attend the OpenGL BOF at SIGGRAPH 2012

Jul 20, 2012

You are cordially invited to attend the OpenGL BOF on Wednesday 6-7pm in the Gold Ballroom in the JW Marriott hotel to celebrate 20 years of OpenGL with us. You’ll learn what is new and upcoming with the OpenGL API. We will also have two special guest speakers. Rich Geldreich from Valve will talk about their awesome project “Steam’d Penguins” that brings Steam and OpenGL games to Linux. Rich will be speaking about their challenges and successes porting Left 4 Dead 2 to OpenGL on Linux. Kurt Akeley, co-founder of SGI and of the OpenGL API will give his perspective on 20 years of OpenGL development. Right after the BOF we’ll open the doors for the OpenGL 20th anniversary party, with free drinks and various prizes to win. For more information, visit our Siggraph webpage.

Category: GeneralDevelopersPermalink

Book: OpenGL Insights - pre order now available

Jul 20, 2012

Get Real-World Insight from Experienced Professionals in the OpenGL Community. With OpenGL, OpenGL ES, and WebGL, real-time rendering is becoming available everywhere, from AAA games to mobile phones to web pages. Assembling contributions from experienced developers, vendors, researchers, and educators, OpenGL Insights presents real-world techniques for intermediate and advanced OpenGL, OpenGL ES, and WebGL developers.

Category: GeneralDevelopersPermalink

Optimized OpenGL Texture Transfers

Jul 18, 2012

Watch Shalini Venkataraman explain how to optimize OpenGL texture transfers (or review the slides) using the ARB_sync extension and debug your transfers with the ARB_debug_output extension. Also look for her article on the subject in the soon-to-be-released OpenGL Insights book.

Category: DevelopersPermalink

OGLplus 0.15.0 released

Jul 18, 2012

OGLplus is a lightweight open-source library implementing an object-oriented facade over the OpenGL® (version 3 and higher) C-language API. It provides wrappers which automate resource management and make the use of OpenGL in C++ safer and easier. It includes more than 80 examples of usage and is available for Linux and Windows.

Category: DevelopersPermalink

Valve ports Left for Dead 2 to Ubuntu with OpenGL

Jul 17, 2012

Valve Software has started a new Linux blog; the first entry discusses their port of Left for Dead 2 to Ubuntu Linux. Future work involves “optimizing a version of L4D2 running at a high frame rate with OpenGL”, porting the Steam client, and “porting additional Valve titles”.

Category: DevelopersApplicationsPermalink

GLFW 2.7.6 released

Jul 12, 2012

GLFW is a library for portable OpenGL application development. It manages windows and OpenGL contexts, resolution switching, keyboard, mouse, joystick and time input, and more. Version 2.7.6 adds support for joystick input on Mac OS X, support for 64-bit builds using MinGW-w64 and fixes for a number of bugs.

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ogldev: ‘Skeletal Animation With Assimp’ tutorial published

Jul 12, 2012

The 38th installment in a series of tutorials dedicated to promoting modern OpenGL development on Linux, with a focus on version 3.x and beyond. This tutorial demonstrates how to do skeletal animation (a.k.a skinning) using the Assimp library.

Category: DevelopersPermalink

Sponsor the OpenGL 20th anniversary party and get great exposure

Jul 12, 2012

OpenGL is celebrating 20 years this summer at SIGGRAPH 2012! The Khronos Group cordially invites you to attend this celebration on August 8th 2012 at the JW Marriott Los Angeles at LA Live in Gold Ballroom–Salon 1 for this momentous occasion. If you company would like to help sponsor this event, there are a few corporate sponsorship spots still available, and your company will get great exposure. We hope we’ll see you there! Your sponsorship can range anywhere from $100 up to $5000. If you’re company is looking for more exposure, this is it. Spaces are limited, on the larger sponsorship packages, so don’t wait!

Category: GeneralDevelopersPermalink

Voreen (Volume Rendering Engine) Version 4.0 Released

Jun 22, 2012

Voreen 4.0 integrates ITK for a wide range of ready-to-use filtering and segmentation algorithms. Runtime editing of OpenCL kernels for volume and image processing has been added and GLSL shaders of most processors can now be modified using a shader property. In addition, the multi-view capabilities have been extended. The volume classes have been re-designed for improved meta-data support, including handling of spacing, transformations and units. A new, vastly improved DICOM reader based on GDCM library has been implemented that supports JPEG 2000 compressed DICOMs, direct reading from PACS servers and is configurable using XML. Registration in Voreen is now also a lot easier for the developer and user. On the technical side, we have switched to the CMake build system resulting in a much smoother build process, especially on Windows. Furthermore, a pre-compiled 64-bit version of Voreen for Windows is provided.

Category: DevelopersPermalink

Volume rendering plugins for the PixelLight engine

Jun 21, 2012

As part of a master thesis, volume rendering plugins using GPU shader based volume raycasting were written for the free open-source, cross-platform 3D application framework PixelLight. The renderer is using OpenGL and GLSL shaders, which are dynamically composed during runtime. Beside a demo, videos and screenshots, the source codes are available as well.

Category: ApplicationsPermalink

ImgTec PowerVR G6230, G6430 extend IP family range-two and four cluster cores with OpenGL support

Jun 20, 2012

Following on from the G6200 and G6400 cores, Imagination Technologies PowerVR G6230 and G6430 offer two further design points in the Series6 family, which now includes two ‘two-cluster’ and two ‘four-cluster’ IP cores. All members of the Series6 family are designed to support all features of the latest graphics APIs including the next generation of the OpenGL ES API and OpenGL 3.x/4.x

Category: DevelopersProcessorsPermalink

Gizmo3D - New Terrain Rendering Features

Jun 18, 2012

Gizmo3D OpenGL engine releases new features for terrain rendering and vegetation details for large scale DB visualization. Databases can contain near infinite details down to micro level but still cover wast landscapes. The new databases can be spread on multiple hosts and each distributed database can link to further sub databases on other hosts. Databases can also be modified in runtime by multiple clients.

Category: DevelopersApplicationsPermalink

Sponsor the epic OpenGL 20th anniversary party!

Jun 15, 2012

OpenGL is celebrating 20 years this summer at SIGGRAPH 2012! The Khronos Group cordially invites you to attend this celebration on August 8th 2012 at the JW Marriott Los Angeles at LA Live in Gold Ballroom–Salon 1 for this momentous occasion. If you company would like to help sponsor this event, there are a few corporate sponsorship spots still available, and your company will get great exposure. We hope we’ll see you there!

Category: GeneralDevelopersPermalink

OpenGL article update on spieleprogrammierung.net

Jun 11, 2012

Three new OpenGL articles (in German) are presented on spieleprogrammierung.net as part of the parallel development of a space strategy game prototype. The articles cover the following topics: Texture Array Objects Texture Buffer Objects Texture Buffer based Geometry Instancing

Category: DevelopersPermalink

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