HP c8000 manual Contents

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Contents

1. overview of OpenGL

introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 the OpenGL product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 hp’s implementation of OpenGL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 hp’s implementation of the OpenGL libraries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 supported graphics devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 supported operating systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 supported visuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 visual support for other graphics devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 buffer sharing between multiple processes and threads. . . . . . . . . . . . . . . . . . . . . 11 SIGCHLD and the GRM daemon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 threads support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

threads support in November, 1999 11. ACE release . . . . . . . . . . . . . . . . . . . . . 12 multiple graphics threads support in June, 2000 11. ACE OpenGL . . . . . . . . . 13 additional documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

64-bit programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 using libGL in 64-bit together with the +compat linker option . . . . . . . . . . . . . 14 SLS support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 the standard OpenGL product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 the OpenGL Utilities Library (GLU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 input and output routines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 the OpenGL extensions for the X Window system (GLX) . . . . . . . . . . . . . . . . . . . . 15

mixing of OpenGL and Xlib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Gamma correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 OpenGL extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 visibility test extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 occlusion extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 occlusion culling code fragments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 GL_HP_supersample extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 rendering details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 default visuals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 EXP and EXP2 fogging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 bow-tie quadrilaterals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 decomposition of concave quadrilaterals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 vertices outside of a begin/end pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 index mode dithering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 environment variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

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Contents OpenGL Implementation Guide Legal Notices Contents Installation and setup Programming hints Contents Overview of OpenGL OpenGL Reference Manual IntroductionOpenGL product Hp’s implementation of OpenGLHp’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 foggingIndex mode dithering Decomposition of concave quadrilateralsVertices 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 Verification instructions Is your system software preloaded with instant ignition?Verify 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 Virtual GLX VGL mode Visual support for the 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 OpenGL correctness hints 4D valuesTexture 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 Optimization of lighting Occlusion cullingHigh frame rate applications Rescaling normals OpenGL performance hints
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