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="trademarks.htm#trademarks.htm">Trademarks and Acknowledgements</A></H1> <H1><A HREF="about.htm#about.htm">About This Book</A></H1> <H1><A HREF="gloverview.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="glsubcats.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="helloexmp.htm#helloexmp.htm">Hello World Example Program </A></H2> <H2><A HREF="animatexmp.htm#animatexmp.htm">Animation Example Program </A></H2> <H2><A HREF="eventsxmp.htm#eventsxmp.htm">Events Example Program </A></H2> <H1><A HREF="drawwithgl.htm#drawwithgl.htm">Chapter 3. Drawing with Graphics Library</A></H1> <H2><A HREF="drawbeg-end.htm#drawbeg-end.htm">Drawing with Begin-End Style Subroutines</A></H2> <H2><A HREF="move-draw.htm#move-draw.htm">Drawing with Move-Draw Style Subroutines</A></H2> <H2><A HREF="setglattrib.htm#setglattrib.htm">Setting Drawing Attributes </A></H2> <H2><A HREF="setglpipeops.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="textchars.htm#textchars.htm">Creating Text Characters</A></H2> <H2><A HREF="smjaglines.htm#smjaglines.htm">Smoothing Jagged Lines with Antialiasing</A></H2> <H2><A HREF="drawwfcvs.htm#drawwfcvs.htm">Drawing Wire Frame Curves and Surface Patches</A></H2> <H2><A HREF="drawnurbs.htm#drawnurbs.htm">Drawing NURBS Curves and Surface Patches</A></H2> <H1><A HREF="workcoords.htm#workcoords.htm">Chapter 4. Working with Coordinate Systems</A></H1> <H2><A HREF="listofcoords.htm#listofcoords.htm">List of GL Coordinate Transformation Subroutines</A></H2> <H2><A HREF="coordtransfrms.htm#coordtransfrms.htm">Coordinate Transformations </A></H2> <H2><A HREF="user-deftrans.htm#user-deftrans.htm">User-Defined Transformations</A></H2> <H2><A HREF="cntrltransfrms.htm#cntrltransfrms.htm">Controlling the Order of Transformations </A></H2> <H2><A HREF="mathdetails.htm#mathdetails.htm">Mathematical Details of the Matrix Subroutines</A></H2> <H1><A HREF="useviewprts.htm#useviewprts.htm">Chapter 5. Using Viewports and Screenmasks</A></H1> <H2><A HREF="listofviewprts.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="getviewport.htm#getviewport.htm">getviewport Subroutine </A></H2> <H2><A HREF="scrmask.htm#scrmask.htm">scrmask Subroutine </A></H2> <H2><A HREF="getscrmask.htm#getscrmask.htm">getscrmask Subroutine </A></H2> <H2><A HREF="pushviewport.htm#pushviewport.htm">pushviewport Subroutine </A></H2> <H2><A HREF="popviewport.htm#popviewport.htm">popviewport Subroutine </A></H2> <H1><A HREF="remhidden.htm#remhidden.htm">Chapter 6. Removing Hidden Surfaces </A></H1> <H2><A HREF="listhidden.htm#listhidden.htm">List of GL Hidden Surface Removal Subroutines</A></H2> <H2><A HREF="underhidden.htm#underhidden.htm">Understanding Hidden Surface Removal</A></H2> <H2><A HREF="backfacepoly.htm#backfacepoly.htm">Backfacing Polygon Removal </A></H2> <H2><A HREF="Z-Buffering.htm#Z-Buffering.htm">Z-Buffering</A></H2> <H2><A HREF="contrzvals.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="crlighteff.htm#crlighteff.htm">Chapter 7. Creating Lighting Effects </A></H1> <H2><A HREF="listlightsubs.htm#listlightsubs.htm">List of GL Lighting Subroutines</A></H2> <H2><A HREF="lightintro.htm#lightintro.htm">Lighting Introduction</A></H2> <H2><A HREF="lightbasics.htm#lightbasics.htm">Lighting Basics </A></H2> <H2><A HREF="advlightcap.htm#advlightcap.htm">Advanced Lighting Capabilities </A></H2> <H2><A HREF="lightmatrix.htm#lightmatrix.htm">Lighting in Matrix Mode </A></H2> <H2><A HREF="lightsubs.htm#lightsubs.htm">Lighting Subroutines </A></H2> <H2><A HREF="lightexec.htm#lightexec.htm">Lighting Execution Time and Performance</A></H2> <H2><A HREF="lightformula.htm#lightformula.htm">Formula for Lighting Calculation</A></H2> <H1><A HREF="depth-cueing.htm#depth-cueing.htm">Chapter 8. Performing Depth-Cueing </A></H1> <H2><A HREF="listofdepth-cues.htm#listofdepth-cues.htm">List of GL Depth-Cueing Subroutines</A></H2> <H2><A HREF="depth-cuecolor.htm#depth-cuecolor.htm">Depth-Cueing in Color Map Mode </A></H2> <H2><A HREF="depth-dueRGB.htm#depth-dueRGB.htm">Depth-Cueing in RGB Mode</A></H2> <H1><A HREF="configframebuf.htm#configframebuf.htm">Chapter 9. Configuring the Frame Buffer </A></H1> <H2><A HREF="listframebufsubs.htm#listframebufsubs.htm">List of GL Frame Buffer Configuration Subroutines</A></H2> <H2><A HREF="underframebuf.htm#underframebuf.htm">Understanding the Frame Buffer </A></H2> <H2><A HREF="workcolor.htm#workcolor.htm">Working in Color Map and RGB Modes</A></H2> <H2><A HREF="animatescene.htm#animatescene.htm">Creating Animated Scenes</A></H2> <H2><A HREF="underovermodes.htm#underovermodes.htm">Underlay and Overlay Modes</A></H2> <H2><A HREF="alphablend.htm#alphablend.htm">Alpha Blending Modes </A></H2> <H2><A HREF="writemasks.htm#writemasks.htm">Writemasks and Logical Operations</A></H2> <H2><A HREF="clrrstintgl.htm#clrrstintgl.htm">Clearing, Resetting, and Initializing GL</A></H2> <H1><A HREF="workobjects.htm#workobjects.htm">Chapter 10. Working with Objects (DisplayLists) </A></H1> <H2><A HREF="listobjects.htm#listobjects.htm">List of GL Object (Display List) Subroutines</A></H2> <H2><A HREF="defobject.htm#defobject.htm">Defining an Object</A></H2> <H2><A HREF="useobject.htm#useobject.htm">Using Objects </A></H2> <H2><A HREF="mapcoords2wrld.htm#mapcoords2wrld.htm">Mapping Screen Coordinates to World Coordinates</A></H2> <H2><A HREF="objectedit.htm#objectedit.htm">Object Editing</A></H2> <H1><A HREF="picknselect.htm#picknselect.htm">Chapter 11. Picking and Selecting </A></H1> <H2><A HREF="listofpkselsbs.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="Selecting.htm#Selecting.htm">Selecting </A></H2> <H1><A HREF="underwininput.htm#underwininput.htm">Chapter 12. Understanding Windows and InputControl </A></H1> <H2><A HREF="managewinds.htm#managewinds.htm">Creating and Managing Windows</A></H2> <H2><A HREF="cursorgl.htm#cursorgl.htm">Creating a Cursor</A></H2> <H2><A HREF="keyboardgl.htm#keyboardgl.htm">Using the Keyboard</A></H2> <H2><A HREF="cntrlques.htm#cntrlques.htm">Controlling Queues and Devices</A></H2> <H2><A HREF="querysys.htm#querysys.htm">Querying the System</A></H2> <H2><A HREF="popupmenus.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="exhwindcalls.htm#exhwindcalls.htm">Chapter 13. Using Enhanced X-WindowsCalls with GL Subroutines </A></H1> <H2><A HREF="enhxwndrestr.htm#enhxwndrestr.htm">Restrictions on Using Enhanced X-Windows Calls with GL Subroutines</A></H2> <H2><A HREF="enhxinterop.htm#enhxinterop.htm">Enhanced X-Windows and GL Interoperability</A></H2> <H1><A HREF="portabilty.htm#portabilty.htm">Chapter 14. Portability, Compatibility,and Performance </A></H1> <H2><A HREF="aixwind3d.htm#aixwind3d.htm">AIXwindows Environment/6000 3-DFeature Version 1 </A></H2> <H2><A HREF="exampprogs.htm#exampprogs.htm">Example Programs </A></H2> <H2><A HREF="perftuning.htm#perftuning.htm">Performance Tuning </A></H2> <H1><A HREF="progconsider.htm#progconsider.htm">Chapter 15. System Programming Considerations</A></H1> <H2><A HREF="multiprocman.htm#multiprocman.htm">Multiple Process Management</A></H2> <H2><A HREF="linkncompil.htm#linkncompil.htm">Linking and Compiling Using the GL Shared Library</A></H2> <H2><A HREF="FORTRANnC.htm#FORTRANnC.htm">Linking FORTRAN and C Modules </A></H2> <H2><A HREF="unsupsubs.htm#unsupsubs.htm">Unsupported Subroutines</A></H2> <H2><A HREF="obsoletesubs.htm#obsoletesubs.htm">Obsolete Subroutines</A></H2> <H1><A HREF="undergraphadapt.htm#undergraphadapt.htm">Chapter 16. Understanding the Graphics Adapter</A></H1> <H2><A HREF="3dclrproc.htm#3dclrproc.htm">3-D Color Graphics Processor </A></H2> <H2><A HREF="powerstation730.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 Gt4xAdapters </A></H2> <H2><A HREF="PGXT1000.htm#PGXT1000.htm">POWER GXT1000 Adapter </A></H2> <H2><A HREF="hdwrcolormap.htm#hdwrcolormap.htm">Hardware Colormap Organization</A></H2> <H1><A HREF="glsublist.htm#glsublist.htm">Appendix A. GL Subroutines</A></H1> <H2><A HREF="glsubsA-F.htm#glsubsA-F.htm">GL Subroutines (A-F)</A></H2> <H2><A HREF="glsubsM-R.htm#glsubsM-R.htm">GL Subroutines (M-R)</A></H2> <H2><A HREF="glsubsS-Z.htm#glsubsS-Z.htm">GL Subroutines (S-Z)</A></H2> <H1><A HREF="glsubmodal.htm#glsubmodal.htm">Appendix B. GL Subroutine Modality </A></H1> <H1><A HREF="descrtable.htm#descrtable.htm">Appendix C. Adapter Description Table for GL</A></H1> <H1><A HREF="portSGIapps.htm#portSGIapps.htm">Appendix D. Porting SGI GL Applications to Your GL Environment</A></H1> <H2><A HREF="SGIfiletrans.htm#SGIfiletrans.htm">SGI GL File Transfer Compiling and Linking</A></H2> <H2><A HREF="SGIperformance.htm#SGIperformance.htm">SGI GL Performance and System Environment Considerations</A></H2> <H1><A HREF="specialterms.htm#specialterms.htm">Special Terms Used in GL </A></H1>