By Dave Shreiner, The Khronos OpenGL ARB Working Group
OpenGL is a robust software program interface used to supply fine quality, computer-generated pictures and interactive purposes utilizing 2nd and 3D gadgets, bitmaps, and colour images.
The OpenGL®Programming consultant, 7th Edition, provides definitive and entire details on OpenGL and the OpenGL application Library. the former version lined OpenGL via model 2.1. This 7th version of the best-selling “red book” describes the newest positive factors of OpenGL models 3.0 and 3.1. you'll find transparent factors of OpenGL performance and lots of easy special effects thoughts, similar to construction and rendering 3D versions; interactively viewing items from varied point of view issues; and utilizing shading, lighting fixtures, and texturing results for higher realism. moreover, this e-book offers in-depth insurance of complex strategies, together with texture mapping, antialiasing, fog and atmospheric results, NURBS, photograph processing, and extra. The textual content additionally explores different key themes akin to improving functionality, OpenGL extensions, and cross-platform techniques.
This 7th variation has been up to date to incorporate the most recent positive factors of OpenGL models 3.0 and 3.1, including
* utilizing framebuffer gadgets for off-screen rendering and texture updates
* Examples of a few of the new buffer item kinds, together with uniform-buffer items, rework suggestions buffers, and vertex array objects
* utilizing texture arrays to extend functionality while utilizing various textures
* effective rendering utilizing primitive restart and conditional rendering
* dialogue of OpenGL’s deprecation mechanism and the way to make sure your courses for destiny types of OpenGL
This version keeps the dialogue of the OpenGL Shading Language (GLSL) and explains the mechanics of utilizing this language to create advanced pictures results and develop the computational energy of OpenGL. The OpenGL Technical Library presents educational and reference books for OpenGL. The Library permits programmers to achieve a realistic knowing of OpenGL and indicates them find out how to liberate its complete capability. initially built by means of SGI, the Library keeps to conform below the auspices of the Khronos OpenGL ARB operating team, an consortium chargeable for guiding the evolution of OpenGL and comparable technologies.
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Extra info for OpenGL Programming Guide: The Official Guide to Learning OpenGL, Versions 3.0 and 3.1 (7th Edition)
For example, glColor*() stands for all variations of the command you use to set the current color. If we want to make a specific point about one version of a particular command, we include the suffix necessary to define that version. For example, glVertex*v() refers to all the vector versions of the command you use to specify vertices. OpenGL as a State Machine OpenGL is a state machine, particularly if you’re using the fixed-function pipeline. You put it into various states (or modes) that then remain in effect until you change them.
I’d also like to thank ACM/SIGGRAPH, Afrigraph, Seagraph, and SGI for the ample opportunities to talk about OpenGL to wonderful audiences worldwide. Brad Grantham, who’s been willing to help out with all my OpenGL escapades, deserves special thanks. A couple of friends who deserve special mention are Eric England and Garth Honhart. The biggest thanks goes to those I love most: Vicki, my folks, and Squiggles, Phantom, and Toby. They continue to make me more successful than I ever imagined. —DRS And for the fifth edition: First and foremost, a tremendous thanks goes to Vicki, my wife, who patiently waited the countless hours needed to finish this project, and to the rest of my family: Phantom, Toby, Bonnie, and Bob.
OpenGL-Related Libraries” describes sets of OpenGL-related routines, including a detailed introduction to GLUT (Graphics Library Utility Toolkit), a portable toolkit. • “Animation” explains in general terms how to create pictures on the screen that move. • “OpenGL and Its Deprecation Mechanism” describes which changes deprecation brought into the latest version(s) of OpenGL, how those changes will affect your applications, and how OpenGL will evolve in the future in light of those changes. What Is OpenGL?