HP c8000 manual Introduction, OpenGL Reference Manual

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overview of OpenGL

introduction

introduction

The OpenGL interface consists of a set of commands that allow applications to define and manipulate three-dimensional objects. The commands include:

Geometric primitive definitions

Viewing operations

Lighting specifications

Primitive attributes

Pipeline control

Rasterization control

OpenGL has been implemented on a large number of vendor platforms where the graphics hardware supports a wide range of capabilities (for example, frame buffer only devices, fully accelerated devices, devices without frame buffer, etc.).

For more information on OpenGL, refer to these documents, published by Addison-Wesley and shipped with HP’s implementation of OpenGL:

OpenGL Programming Guide

Instruction on programming in OpenGL, offered in a tutorial format.

OpenGL Reference Manual

A reference that contains details on all standard OpenGL functions, as well as utility (GLU) functions and X-windows (GLX) functions.

OpenGL Programming for the X Window System

Instructions on interfacing OpenGL with the X Window system.

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Contents OpenGL Implementation Guide Legal Notices Contents Installation and setup Programming hints Contents Overview of OpenGL Introduction OpenGL Reference ManualHp’s implementation of the OpenGL libraries OpenGL productHp’s implementation of OpenGL Supported graphics devices Supported operating systemsSupported visuals Visual Table for HP Visualize fxeVisual Table for ATI Fire GL T2/X1/X3 Stereo Visual Support for HP Fire GL-UX Visual support for other graphics devicesBuffer sharing between multiple processes and threads Sigchld and the GRM daemonBit programming Sample 64-bit compile and link for 11.x only SLS supportStandard OpenGL product OpenGL Utilities Library GLUInput and output routines OpenGL extensions for the X Window system GLXOpenGL product Mixing of OpenGL and Xlib Gamma correction OpenGL extensions Visibility test extensionsOcclusion extension Occlusion culling code fragmentsEnumerated Types for Occlusion GLHPsupersample extension Default visuals Rendering detailsEXP and EXP2 fogging Bow-tie quadrilateralsVertices outside of a begin/end pair Index mode ditheringDecomposition of concave quadrilaterals Environment variables New environment variables as of release Switches to the faster double buffering method Installation and setup Installation and setup Verify that OpenGL is on your workstation Verification instructionsIs your system software preloaded with instant ignition? Installing OpenGL Install OpenGLOpenGL Development Environment Filesets for 11.0 Check log file Verify the product OpenGL file structure 64-bit libraries are in a subdirectory OpenGL file structure Chapter Running OpenGL programs Special considerations Virtual GLX VGL modeVisual support for the VGL mode Bool hpglXDisplayIsVGLDisplay *dpy, int screen Running hps implementation of the OpenGL stereo application Running hps implementation of the OpenGL stereo application Running OpenGL programs Compiling and linking programs Overview Subdirectory This Directory ContainsIncluding header files Linking shared libraries Compiling 32-bit and 64-bit applications for OpenGL OpenGL procedure calls Programming hints Programming hints Texture coordinates OpenGL correctness hints4D values Glcompileandexecute mode OpenGL performance hintsDisplay list performance Geometric primitivesDraw array set extensions Textures State changes and their effects on display listsRegular primitive data Texture downloading performance Selection performanceState change High frame rate applications Optimization of lightingOcclusion culling Rescaling normals OpenGL performance hints
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