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Apple releases free Tech Talks 2009 videos covering OpenGL ES and much more

Apple announced the availability of free iPhone Tech Talks 2009 videos for iPhone Developer Program members. The presentations are given by Apple's Technology Evangelists and take a deep dive into app design and coding techniques. Presentation topics in the videos include: audio development, using video effectively, user interface design, Core Data, OpenGL ES, using Web content, testing and debugging apps, using location and maps, and push notification.
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Call for Participation - Game Development Tools

We invite you to submit a proposal for an innovative article to be included in a forthcoming book, Game Development Tools, which will be edited by Marwan Y. Ansari and published by A. K. Peters. We expect to publish the volume in time for GDC 2011. We are open to any tools articles that you feel would make a valuable contribution to this book. Some topics that would be of interest include:

  • Content Pipeline tools (creation, streamlining, management)
  • Graphics/Rendering tools
  • Profiling tools
  • COLLADA import/export/inspection
  • Sound tools
  • In-Game debugging tools
  • Memory management & analysis
  • Console tools (single and cross platform)

This list is not meant to be exclusive and other topics are welcome.


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The Open Toolkit library 1.0 rc1 released

The Open Toolkit is an advanced, open-source C# OpenGL/OpenAL/OpenCL wrapper. It is fast, easy to use and is compatible with all .Net/Mono languages (C#, VB, C++, F#, Boo) and all major platforms (Windows, Mac OS X, Linux, BSD, Solaris, iPhone/iPad). This release introduces a NSIS-based installer for Windows, an improved build system and various documentation and stability fixes. Users of previous versions are strongly encouraged to upgrade. Downloads available here. With the 1.0 release imminent, the Open Toolkit is actively looking for packagers and maintainers for various platforms. If you are interested in creating a package for a specific platform please contact “the_fiddler” on http://sourceforge.net or create an issue report on http://www.opentk.com.
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Fixstars Releases “OpenCL Programming Book” Introduction to OpenCL

Fixstars Corporation announced the release of their OpenCL Programming Book which is available on Amazon Kindle, Apple iPad and Fixstars' website. More information on the OpenCL book is available on the Fixstars website.
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Qt Labs experimenting with OpenCL

Introducing the QtOpenCL library, which wraps the OpenCL 1.0 API in a Qt-style API. It takes the pain out of OpenCL initialization, program compilation, and kernel execution. It also provides convenience functions for interfacing to existing Qt facilities such as QImage and QtOpenGL. QtOpenCL is still a work in progress, distributed as a standalone module outside of the normal Qt source repositories.
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NVIDIA releases OpenGL 4.0 drivers

NVIDIA is proud to announce the immediate availability of OpenGL 4 drivers for Linux as well as OpenGL 4 WHQL-certified drivers for Windows. Additionally, support for eight new extensions is provided:

  • ARB_texture_compression_bptc – provides new texture compression formats for both fixed-point and high dynamic range floating-point texels.
  • EXT_shader_image_load_store - allows GLSL- and assembly-based shaders to load from, store to, and perform atomic read-modify-write operations to texture images.
  • EXT_vertex_attrib_64bit - provides OpenGL shading language support for vertex shader inputs with 64-bit floating-point components and OpenGL API support for specifying the value of those inputs.
  • NV_vertex_attrib_integer_64bit - provides support for specifying vertex attributes with 64-bit integer components, analogous to the 64-bit floating point support added in EXT_vertex_attrib_64bit.
  • NV_gpu_program5 - provides assembly programmability support for new hardware features provided by NVIDIA’s OpenGL 4.0-capable hardware in vertex, fragment, and geometry programs.
  • NV_tesssellation_program5 - provides assembly programmability support for tessellation control and evaluation programs.
  • NV_gpu_shader5 - provides a superset of the features provided in ARB_gpu_shader5 and GLSL 4.00. This includes support for a full set of 8-, 16-, 32-, and 64-bit scalar and vector integer data types, and more. Additionally, it allows patches (as used in tessellation) to be passed on to the geometry shader, used as input to transform feedback, and rasterized as a set of control points.
  • NV_shader_buffer_store – extends the bindless graphics capabilities of the NV_shader_buffer_load extension. This extension provides the ability to store to buffer object memory, and to perform atomic read-modify-write operations, using either GLSL- or assembly-based shaders.

The official feedback thread is available in the OpenGL Discussion Forums. The drivers and extension documentation can be downloaded from http://developer.nvidia.com/object/opengl_driver.html


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OpenCL - OpenGL Interop Tutorial

Using OpenCL to manipulate OpenGL objects has important advantages: the GPU is usually faster and data transfer from Host memory to Device memory is kept to a minimum. CMSoft OpenCL/GL interop tutorial shows detailed implementation of circular wave interference simulation using CL/GL interop, including commented source code available for download.
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Khronos Drives Momentum of Parallel Computing Standard with Release of OpenCL 1.1 Specification

The Khronos™ Group today announced the ratification and public release of the OpenCL™ 1.1 specification, the latest version of the open, royalty-free standard for cross-platform, parallel programming of modern processors. OpenCL 1.1 adds significant functionality for enhanced parallel programming flexibility, functionality and performance including:

  • New data types including 3-component vectors and additional image formats;
  • Handling commands from multiple hosts and processing buffers across multiple devices;
  • Operations on regions of a buffer including read, write and copy of 1D, 2D or 3D rectangular regions;
  • Enhanced use of events to drive and control command execution;
  • Additional OpenCL C built-in functions such as integer clamp, shuffle and asynchronous strided copies;
  • Improved OpenGL interoperability through efficient sharing of images and buffers by linking OpenCL and OpenGL events.

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Perth GPU Users Group to discus OpenCL and OpenGL

Learn and share ideas at the Perth GPU Users group. Founded to bring together GPU users from all fields and experience levels in Western Australia. Topics of discussion include general GPU computing, GPGPU, CUDA, OpenCL, OpenGL, DirectCompute, DirectX and related technologies. The next meetup is tentatively scheduled for June 23rd at the ground Floor Physics Building, University of Western Australia (Crawley Campus) 35 Stirling Highway, Crawley WA. 5:30pm - 7pm. You can find additional Khronos API related events and meet-ups on the Khronos Group events page.
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OpenCL Getting Started Tutorial

Are you having trouble getting start in OpenCL development. Enj has started a tutorial series aimed at developers trying to learn OpenCL from the bottom up, with a focus on practicality.
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