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Date: Sunday, November 17th
Time: 2:15pm - 6:00pm
Venue: Mezzanine Meeting Room M2


Abstract: OpenGL and its derivatives including WebGL are the most widely available APIs for creating interactive computer graphics applications across all major platforms. Their uses span virtually all application areas and reveal the most up-to-date features of modern graphics hardware. In recent years, OpenGL has undergone numerous updates that have fundamentally changed how programmers interact with the application-programming interface (API). Over the past four years, there has been extraordinary interest in WebGL, the JavaScript implementation of OpenGL ES 2.0. WebGL is fully shader-based and allows applications to be hosted on Web servers, but execute locally in a Web browser. WebGL applications can use the full power of the local GPU, and its integration with the wealth of Web packages and technologies allows the creation of complex and engaging Web-based applications. Although WebGL is “simpler” than recent versions of desktop OpenGL, there are some significant differences between using WebGL and desktop OpenGL. Working within a browser brings up a variety of issues have not been covered in previous introductory courses. This course provides an accelerated introduction to programming with WebGL. This course starts with an overview of the WebGL pipeline, focusing on the basic shader-based pipeline Participants will see complete examples that include the required shaders and the interface to the application program. We will discuss some of the key differences between working with WebGL and desktop OpenGL and survey advanced applications of the API. An introductory OpenGL course has been a popular offering at SIGGRAPH for over 15 years. Four years ago, the course was switched from desktop OpenGL to WebGL at both SIGGRAPH and SIGGRAPH Asia. The updated course proposed here should appeal to not only attendees who have not programmed graphics applications but also to experienced desktop OpenGL programmers who are considering switching over to WebGL.

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