GL3.2 Version 4.1 for AIX: Programming Concepts

<BODY BGCOLOR="FCFBF0"> <CENTER> <FONT COLOR="#A62A2A" SIZE="+2"> </FONT> </CENTER> <HR> <H1><a href="edition.htm#edition.htm">First Edition (October 1994) </a></H1> <H1><a href="trademar.htm#trademarks.htm">Trademarks and Acknowledgements</a></H1> <H1><a href="about.htm#about.htm">About This Book</a></H1> <H1><a href="glovervi.htm#gloverview.htm">Chapter 1. AIX Graphics Library Overview </a></H1> <H2><a href="glintro.htm#glintro.htm">Introducing AIX Graphics Library</a></H2> <H2><a href="glsubcat.htm#glsubcats.htm">Graphics Library Subroutines and Functional Categories</a></H2> <H1><a href="getstart.htm#getstart.htm">Chapter 2. Getting Started in GL </a></H1> <H2><a href="helloexm.htm#helloexmp.htm">Hello World Example Program </a></H2> <H2><a href="animatex.htm#animatexmp.htm">Animation Example Program </a></H2> <H2><a href="eventsxm.htm#eventsxmp.htm">Events Example Program </a></H2> <H1><a href="drawwith.htm#drawwithgl.htm">Chapter 3. Drawing with Graphics Library</a></H1> <H2>Drawing with Begin-End Style Subroutines</a></H2> <H2>Drawing with Move-Draw Style Subroutines</a></H2> <H2><a href="setglatt.htm#setglattrib.htm">Setting Drawing Attributes </a></H2> <H2><a href="setglpip.htm#setglpipeops.htm">Setting Pipeline Options </a></H2> <H2><a href="drawpoly.htm#drawpoly.htm">Drawing Rectangles, Circles, Arcs, and Polygons</a></H2> <H2><a href="rwpixels.htm#rwpixels.htm">Reading and Writing Pixels</a></H2> <H2><a href="textchar.htm#textchars.htm">Creating Text Characters</a></H2> <H2><a href="smjaglin.htm#smjaglines.htm">Smoothing Jagged Lines with Antialiasing</a></H2> <H2><a href="drawwfcv.htm#drawwfcvs.htm">Drawing Wire Frame Curves and Surface Patches</a></H2> <H2><a href="drawnurb.htm#drawnurbs.htm">Drawing NURBS Curves and Surface Patches</a></H2> <H1><a href="workcoor.htm#workcoords.htm">Chapter 4. Working with Coordinate Systems</a></H1> <H2><a href="listofco.htm#listofcoords.htm">List of GL Coordinate Transformation Subroutines</a></H2> <H2><a href="coordtra.htm#coordtransfrms.htm">Coordinate Transformations </a></H2> <H2>User-Defined Transformations</a></H2> <H2><a href="cntrltra.htm#cntrltransfrms.htm">Controlling the Order of Transformations </a></H2> <H2><a href="mathdeta.htm#mathdetails.htm">Mathematical Details of the Matrix Subroutines</a></H2> <H1><a href="useviewp.htm#useviewprts.htm">Chapter 5. Using Viewports and Screenmasks</a></H1> <H2><a href="listofvi.htm#listofviewprts.htm">List of GL Viewport and Screenmask Subroutines</a></H2> <H2><a href="viewport.htm#viewport.htm">viewport Subroutine </a></H2> <H2><a href="getviewp.htm#getviewport.htm">getviewport Subroutine </a></H2> <H2><a href="scrmask.htm#scrmask.htm">scrmask Subroutine </a></H2> <H2><a href="getscrma.htm#getscrmask.htm">getscrmask Subroutine </a></H2> <H2><a href="pushview.htm#pushviewport.htm">pushviewport Subroutine </a></H2> <H2><a href="popviewp.htm#popviewport.htm">popviewport Subroutine </a></H2> <H1><a href="remhidde.htm#remhidden.htm">Chapter 6. Removing Hidden Surfaces </a></H1> <H2><a href="listhidd.htm#listhidden.htm">List of GL Hidden Surface Removal Subroutines</a></H2> <H2><a href="underhid.htm#underhidden.htm">Understanding Hidden Surface Removal</a></H2> <H2><a href="backface.htm#backfacepoly.htm">Backfacing Polygon Removal </a></H2> <H2>Z-Buffering</a></H2> <H2><a href="contrzva.htm#contrzvals.htm">Control of Z Values </a></H2> <H2><a href="addzvals.htm#addzvals.htm">Additional Z-Buffer Features</a></H2> <H1><a href="crlighte.htm#crlighteff.htm">Chapter 7. Creating Lighting Effects </a></H1> <H2><a href="listligh.htm#listlightsubs.htm">List of GL Lighting Subroutines</a></H2> <H2><a href="lightint.htm#lightintro.htm">Lighting Introduction</a></H2> <H2><a href="lightbas.htm#lightbasics.htm">Lighting Basics </a></H2> <H2><a href="advlight.htm#advlightcap.htm">Advanced Lighting Capabilities </a></H2> <H2><a href="lightmat.htm#lightmatrix.htm">Lighting in Matrix Mode </a></H2> <H2><a href="lightsub.htm#lightsubs.htm">Lighting Subroutines </a></H2> <H2><a href="lightexe.htm#lightexec.htm">Lighting Execution Time and Performance</a></H2> <H2><a href="lightfor.htm#lightformula.htm">Formula for Lighting Calculation</a></H2> <H1>Chapter 8. Performing Depth-Cueing </a></H1> <H2>List of GL Depth-Cueing Subroutines</a></H2> <H2>Depth-Cueing in Color Map Mode </a></H2> <H2>Depth-Cueing in RGB Mode</a></H2> <H1><a href="configfr.htm#configframebuf.htm">Chapter 9. Configuring the Frame Buffer </a></H1> <H2><a href="listfram.htm#listframebufsubs.htm">List of GL Frame Buffer Configuration Subroutines</a></H2> <H2><a href="underfra.htm#underframebuf.htm">Understanding the Frame Buffer </a></H2> <H2><a href="workcolo.htm#workcolor.htm">Working in Color Map and RGB Modes</a></H2> <H2><a href="animates.htm#animatescene.htm">Creating Animated Scenes</a></H2> <H2><a href="underove.htm#underovermodes.htm">Underlay and Overlay Modes</a></H2> <H2><a href="alphable.htm#alphablend.htm">Alpha Blending Modes </a></H2> <H2><a href="writemas.htm#writemasks.htm">Writemasks and Logical Operations</a></H2> <H2><a href="clrrstin.htm#clrrstintgl.htm">Clearing, Resetting, and Initializing GL</a></H2> <H1><a href="workobje.htm#workobjects.htm">Chapter 10. Working with Objects (Display Lists) </a></H1> <H2><a href="listobje.htm#listobjects.htm">List of GL Object (Display List) Subroutines</a></H2> <H2><a href="defobjec.htm#defobject.htm">Defining an Object</a></H2> <H2><a href="useobjec.htm#useobject.htm">Using Objects </a></H2> <H2><a href="mapcoord.htm#mapcoords2wrld.htm">Mapping Screen Coordinates to World Coordinates</a></H2> <H2><a href="objected.htm#objectedit.htm">Object Editing</a></H2> <H1><a href="picknsel.htm#picknselect.htm">Chapter 11. Picking and Selecting </a></H1> <H2><a href="listofpk.htm#listofpkselsbs.htm">List of GL Picking and Selecting Subroutines</a></H2> <H2><a href="picking.htm#Picking.htm">Picking </a></H2> <H2><a href="selectin.htm#Selecting.htm">Selecting </a></H2> <H1><a href="underwin.htm#underwininput.htm">Chapter 12. Understanding Windows and Input Control </a></H1> <H2><a href="managewi.htm#managewinds.htm">Creating and Managing Windows</a></H2> <H2><a href="cursorgl.htm#cursorgl.htm">Creating a Cursor</a></H2> <H2><a href="keyboard.htm#keyboardgl.htm">Using the Keyboard</a></H2> <H2><a href="cntrlque.htm#cntrlques.htm">Controlling Queues and Devices</a></H2> <H2><a href="querysys.htm#querysys.htm">Querying the System</a></H2> <H2><a href="popupmen.htm#popupmenus.htm">Creating and Managing Pop-Up Menus</a></H2> <H2><a href="textport.htm#textport.htm">Working with the Textport</a></H2> <H1><a href="exhwindc.htm#exhwindcalls.htm">Chapter 13. Using Enhanced X-Windows Calls with GL Subroutines </a></H1> <H2><a href="enhxwndr.htm#enhxwndrestr.htm">Restrictions on Using Enhanced X-Windows Calls with GL Subroutines</a></H2> <H2><a href="enhxinte.htm#enhxinterop.htm">Enhanced X-Windows and GL Interoperability</a></H2> <H1><a href="portabil.htm#portabilty.htm">Chapter 14. Portability, Compatibility, and Performance </a></H1> <H2><a href="aixwind3.htm#aixwind3d.htm">AIXwindows Environment/6000 3-D Feature Version 1 </a></H2> <H2><a href="examppro.htm#exampprogs.htm">Example Programs </a></H2> <H2><a href="perftuni.htm#perftuning.htm">Performance Tuning </a></H2> <H1><a href="progcons.htm#progconsider.htm">Chapter 15. System Programming Considerations</a></H1> <H2><a href="multipro.htm#multiprocman.htm">Multiple Process Management</a></H2> <H2><a href="linkncom.htm#linkncompil.htm">Linking and Compiling Using the GL Shared Library</a></H2> <H2><a href="fortrann.htm#FORTRANnC.htm">Linking FORTRAN and C Modules </a></H2> <H2><a href="unsupsub.htm#unsupsubs.htm">Unsupported Subroutines</a></H2> <H2><a href="obsolete.htm#obsoletesubs.htm">Obsolete Subroutines</a></H2> <H1><a href="undergra.htm#undergraphadapt.htm">Chapter 16. Understanding the Graphics Adapter</a></H1> <H2><a href="3dclrpro.htm#3dclrproc.htm">3-D Color Graphics Processor </a></H2> <H2><a href="powersta.htm#powerstation730.htm">IBM RISC System/6000 POWERstation 730 and POWERgraphics GTO Supergraphics Processor Subsystem</a></H2> <H2><a href="powergt4.htm#powerGt4.htm">POWER Gt4 and POWER Gt4x Adapters </a></H2> <H2><a href="pgxt1000.htm#PGXT1000.htm">POWER GXT1000 Adapter </a></H2> <H2><a href="hdwrcolo.htm#hdwrcolormap.htm">Hardware Colormap Organization</a></H2> <H1><a href="glsublis.htm#glsublist.htm">Appendix A. GL Subroutines</a></H1> <H2>GL Subroutines (A-F)</a></H2> <H2>GL Subroutines (M-R)</a></H2> <H2>GL Subroutines (S-Z)</a></H2> <H1><a href="glsubmod.htm#glsubmodal.htm">Appendix B. GL Subroutine Modality </a></H1> <H1><a href="descrtab.htm#descrtable.htm">Appendix C. Adapter Description Table for GL</a></H1> <H1><a href="portsgia.htm#portSGIapps.htm">Appendix D. Porting SGI GL Applications to Your GL Environment</a></H1> <H2><a href="sgifilet.htm#SGIfiletrans.htm">SGI GL File Transfer Compiling and Linking</a></H2> <H2><a href="sgiperfo.htm#SGIperformance.htm">SGI GL Performance and System Environment Considerations</a></H2> <H1><a href="specialt.htm#specialterms.htm">Special Terms Used in GL </a></H1>