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Khronos Group News Archives

International Standards Workshop on Augmented Reality call for papers

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This international meeting of experts provides a single forum for representatives of all standards bodies and the contributors to AR standards development processes to meet and discuss their activities and progress, and to advance new specifications more rapidly than is possible without face-to-face interactions. This meeting will be based on a mixture of submitted papers, invited talks and open format, group discussions. In order to inform discussions and to select speakers, participants are encouraged, but not required, to submit papers. Read More

Suggestions for OpenGL 4.2 and beyond

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The Khronos Group did a great job in the last few years to once again prove that OpenGL is still in game and that it can become the ultimate graphics API of choice, if it is not that already. However, we must note that it is not quite yet true that OpenGL 4.1 is a superset of its competitor, DirectX 11. We still have some holes that still have to be filled and I think the ARB should not stop just there as there is much more potential in the current hardware architectures than that is currently exposed by any graphics API so establishing the future of OpenGL should start by going one step further than DX11. In this article I would like to present my vision of items of importance that should be included in the next revision of the specification and how I see the future of OpenGL. Read More

AMD at SC10 showing off OpenCL demo’s

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AMD will be hosting a bunch of cool demo's at their booth (#3119). Demo's range from the latest 12-core AMD OpteronTM 6100 Series processor-based OEM servers to some new applications leveraging AMD graphics technology and OpenCL™. Read More

OpenGL based ClanLib 2.2.5 toolkit library released

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ClanLib is a cross platform C++ toolkit library based around OpenGL. It's primary focus is on games (free or commerical thanks to a BSD style license). Image, Sprite and Font drawing are optimised to give high frame rates by drawing in batches, reducing OpenGL state changes. If OpenGL v2.0 or above is not available, the library seamlessly provides OpenGL v1.3 or a high performance software renderer. Supports multiple windows with a full GUI framework for use in 2D or 3D applications. This latest version contains new examples demonstrating the ease of creating custom shaders. In addition, a HDR test has been updated to demonstrate using OpenGL floating point textures. Read More

ARM Mali-T604 GPU announced at ARM Technology Conference 2010

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The Khronos Group congratulates ARM on the announcement of the Mali-T604 and its plan to support full profile OpenCL 1.1 on both ARMv7 CPUs and the GPU. Read More

Hardware Video Decode and OpenGL Video Texturing for Linux

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VDPAU (Video Decode and Presentation API for Unix) allows Linux systems to offload portions of video decode to the GPU. The resulting video can be post-processed with OpenGL, CUDA, or both. Watch Stephen Warren from NVIDIA explain VDPAU and demonstrate OpenGL texturing of hardware-decoded video frames. Slides (PDF) are also available. Read More

GPU Pro 3: Call for Authors

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After the success of the first seven entries to the ShaderX book series, of GPU Pro and the soon to be released GPU Pro 2, we are looking for authors for GPU Pro 3. The upcoming book will cover advanced rendering techniques that run on the DirectX or OpenGL run-times, or any other run-time with any language available. It will include topics on: Geometry Manipulation; Rendering Techniques; Handheld Devices Programming; Effects in Image Space; Shadows; 3D Engine Design; Graphics Related Tools; Environmental Effects and a dedicated section on General Purpose GPU Programming that will cover CUDA, DirectCompute and OpenCL examples. Proposals are due by March 17th, 2011. Contact details, an example proposal, writing guidelines and a FAQ can be downloaded from gpupro3.blogspot.com. Read More

G-Truc update on OpenGL 4.1 driver status

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After receiving feedback from AMD, G-Truc has written a follow-up article to his original post on the current status of OpenGL 4.1 drivers. Read More

New OpenGL 3.3 and 4.0 examples on the nopper.tv website available

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The nopper.tv website now contains one more OpenGL 3.3 and one OpenGL 4.0 example. The OpenGL 4.0 example is a simple tesselation implementation. There are now 13 different OpenGL source code examples available. Read More

UK researchers study GPGPU vs Blue Gene

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Researchers from the University of Warwick’s Performance Computing and Visualization Department and Oxford University’s eResearch Centre have put together a study: should we install a GPGPU-based system or a more traditional IMB Blue Gene-like supercomputer? The team’s research will present their work at the 1st International Workshop on Performance Modeling, Benchmarking and Simulation of High Performance Computing Systems at the SC10 conference in New Orleans. The Khronos Group will be at Booth # 1132 at SC10. Read More

Texture and buffer access performance in OpenGL

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Currently there are several ways to feed data to the GPU no matter of what API we use and what type of application we develop. In case of OpenGL we have uniform buffers, texture buffers, texture images, etc. The same is true for OpenCL and other compute APIs that even provide more fine-grained memory management taking advantage of the local data store (LDS) available on today’s hardware. In this article I’ll present the memory access performance characteristics of AMD’s Evergreen-class GPUs focusing on what this all means from OpenGL point of view. While most of the data is about the HD5870, the general principles and relative performance characteristics are valid for other GPUs, including ones from other vendors. Read More

Copperlicht 1.3.1 released

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CopperLicht is a JavaScript 3D engine for creating games and 3d applications in the webbrowser. It uses the WebGL canvas supported by modern browsers and is able to render hardware accelerated 3d graphics without any plugins. This update sees a few bug fixes as well as having its own name space defined in JS to avoid conflicts with other libraries, such as jQuery. Read More

AMD and NVIDIA release OpenGL 4.1 drivers

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Only a few days since AMD released Catalyst 10.10a, they have released Catalyst 10.10c Hotfix with beta support for OpenGL 4.1. NVIDIA also recently released drivers for OpenGL 4.1. See how each driver does on G-Truc's website. Read More

China takes top spot with the Tianhe-1A Super Computer

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What would you have if you put over 7000 NVIDIA Tesla GPUs together? Chances are you would have the worlds fastest computer. Chinas National University of Defense Technology has put together 7,168 NVIDIA Tesla M2050 (Fermi) GPUs, 14,336 CPUs, 262TB of memory and 2PB of storage, giving them the worlds fastest super computer with a Linpack performance of 2.5 petaflops. Peak performance of the new Tianhe-1A super computer is 4.7 petaflops. Oh, did I mention it draws 4 Megawatts of power! The Tianhe-1A super computer means the Us has lost its top spot in the TOP500. Read More

OpenCL tutorial in two parts

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Rob Farber has an in-depth two part tutorial on OpenCL. The first part of the tutorial will get you going using the ATI Stream software development kit (SDK). Part two of the OpenCL tutorial covers memory spaces and the OpenCL memory hierarchy, as well, how to start thinking in terms of work items and work groups. Both parts contain lots of code examples to help the novice OpenCL programmer get started. Read More

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