HP c8000 manual Overview of OpenGL

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1	overview of OpenGL

OpenGL is a hardware-independent Application Programming Interface (API) that provides an interface to graphics operations. HP’s implementation of OpenGL converts API commands to graphical images via hardware and/or software functionality.

Chapter 1

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Contents OpenGL Implementation Guide Legal Notices Contents Installation and setup Programming hints Contents Overview of OpenGL OpenGL Reference Manual IntroductionHp’s implementation of OpenGL OpenGL productHp’s implementation of the OpenGL libraries Supported operating systems Supported graphics devicesVisual Table for HP Visualize fxe Supported visualsVisual Table for ATI Fire GL T2/X1/X3 Visual support for other graphics devices Stereo Visual Support for HP Fire GL-UXSigchld and the GRM daemon Buffer sharing between multiple processes and threadsBit programming SLS support Sample 64-bit compile and link for 11.x onlyOpenGL extensions for the X Window system GLX Standard OpenGL productOpenGL Utilities Library GLU Input and output routinesOpenGL product Mixing of OpenGL and Xlib Gamma correction Occlusion culling code fragments OpenGL extensionsVisibility test extensions Occlusion extensionEnumerated Types for Occlusion GLHPsupersample extension Bow-tie quadrilaterals Default visualsRendering details EXP and EXP2 foggingDecomposition of concave quadrilaterals Index mode ditheringVertices outside of a begin/end pair Environment variables New environment variables as of release Switches to the faster double buffering method Installation and setup Installation and setup Is your system software preloaded with instant ignition? Verification instructionsVerify that OpenGL is on your workstation Install OpenGL Installing 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 Visual support for the VGL mode Virtual GLX VGL modeSpecial considerations 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 Subdirectory This Directory Contains OverviewIncluding header files Linking shared libraries Compiling 32-bit and 64-bit applications for OpenGL OpenGL procedure calls Programming hints Programming hints 4D values OpenGL correctness hintsTexture coordinates Geometric primitives Glcompileandexecute modeOpenGL performance hints Display list performanceDraw array set extensions State changes and their effects on display lists TexturesRegular primitive data Selection performance Texture downloading performanceState change Occlusion culling Optimization of lightingHigh frame rate applications Rescaling normals OpenGL performance hints

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overview of OpenGL