Hardwaresupercache

SunMicrosystems2550GarciaAvenueMountainView,CA94043U.
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802-7304-10August1997,RevisionAPlatformNotes:SPARCstation10SXand20SystemCongurationGuideSolaris2.
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ContentsiiiContentsPrefaceix1.
IntroductiontoGraphicsontheSPARCstation10SXandSPARCstation201-12.
ReservingDRAMforSXAcceleratedApplications2-12.
1Introduction2-12.
2AdvantagesofUsingSXDRAM2-22.
3WhentoReserveSXDRAM2-22.
4CalculatingSXDRAMtoReserve2-22.
5ConfiguringSXDRAM2-32.
5.
1MemoryBankLayoutontheSPARCstation10SX2-32.
5.
2MemoryBankLayoutontheSPARCstation202-62.
5.
3SystemSoftwareConstraintsforSXDRAMConfiguration2-72.
5.
4RecommendedDSIMM/VSIMMConfigurationfortheSPARCstation10SX2-72.
5.
5SXDRAMConfiguration2-83.
RunningOpenWindowsontheSPARCstation10SXandSPARCstation203-13.
1CG14PixelModesforRunningtheWindowSystem3-13.
2VisualsSupportedByOpenwindows3.
33-23.
3FalseColorEffects3-3ivPlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust19974.
XILAccelerationonSX4-15.
XGLAcceleratorGuideforSX5-15.
1Overview5-15.
2TextureMapping5-35.
3XVisuals5-35.
3.
1XGL_3D_CTX_JITTER_OFFSET5-45.
3.
2SIGFPE5-45.
3.
3XGL_CTX_PICK_APERTURE5-45.
3.
4XGL_DEV_COLOR_TYPEandXGL_DEV_REAL_COLOR_TYPE5-45.
4Antialiasing5-45.
5PerformanceConsiderations5-5A.
BootMessagesA-1TablesvTablesTABLE2-1SPARCstation10SXSystemMemoryLayout16MByteDSIMMsonly2-4TABLE2-2SPARCstation10SXSystemMemoryLayoutOne4MByteVSIMM,Seven16MByteDSIMMs2-5TABLE2-3SPARCstation10SXSystemMemoryLayoutOne4MByteVSIMM,Seven64MByteDSIMMs2-5TABLE2-4ComparingSlotLocationsontheSPARCstation10SXandSPARCstation202-6viPlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997FiguresviiFiguresFIGURE2-1MemoryLayoutonMotherBoardofSPARCstation10SX2-4viiiPlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997PrefaceixPrefaceThismanual,SPARCstation10SXand20SystemConfigurationGuide,describesthemachine-dependentfunctionsoftheSolaris2.
xgraphicsandwindowsystemAPIs(ApplicationProgramInterfaces)suchasXGL(2-Dand3-DGraphicsLibrary),andXlib,asrelatedtotheSXvideosubsystem.
Inaddition,thisdocumentdescribesconfiguringandtuningtheSXvideosubsystemtoenhancetheperformanceoftheapplicationsusingtheXGLAPI.
Note–XIL1.
3inthisSolarisreleasedoesnotprovideperformanceenhancementsspecificallyfortheSPARCstation10SXandSPARCstation20.
ThelastreleasetoprovideXILaccelerationspecificallyforthesesystemswastheSolaris2.
5.
1release.
ThisdocumentshouldbeusedasanaddendumtotheSolaris2.
xdocumentsetandtheSPARCstation10SXHardwareOwner'sGuideorSPARCstation20HardwareOwner'sGuide.
HowThisBookIsOrganizedChapter1,"IntroductiontoGraphicsontheSPARCstation10SXandSPARCstation20",givesabriefdescriptionoftheSPARCstation10SXand20SX.
Chapter2,"ReservingDRAMforSXAcceleratedApplications",discussesissuespertinenttoconfiguringtheSPARCstation10SXandSPARCstation20toenhanceSunPixelArithmeticMemoryprocessor(SX)acceleratorperformance.
Chapter3,"RunningOpenWindowsontheSPARCstation10SXandSPARCstation20",discussesthevisualsthatarepresentwhenrunningOpenWindowsontheSPARCstation10SXandSPARCstation20.
xPlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997Chapter4,"XILAccelerationonSX",explainsthatnoXILenhancementsspecificallyfortheSXareprovidedinthisSolarisrelease.
Chapter5,"XGLAcceleratorGuideforSX",discussestheoperationofXGL3.
0.
2ontheSX.
AppendixA,"BootMessages",showsmessagesdisplayedontheSPARCstation10SXor20SXduringthebootprocessfollowingSXDRAMconfiguration.
UsingUNIXCommandsThisdocumentmaynotcontaininformationonbasicUNIXcommandsandproceduressuchasshuttingdownthesystem,bootingthesystem,andconfiguringdevices.
Seeoneormoreofthefollowingforthisinformation:sAnswerBookonlinedocumentationfortheSolaris2.
xsoftwareenvironmentsOthersoftwaredocumentationthatyoureceivedwithyoursystemxiTypographicConventionsShellPromptsTABLEP-1TypographicConventionsTypefaceorSymbolMeaningExamplesAaBbCc123Thenamesofcommands,files,anddirectories;on-screencomputeroutput.
Edityour.
loginfile.
Usels-atolistallfiles.
%Youhavemail.
AaBbCc123Whatyoutype,whencontrastedwithon-screencomputeroutput.
%suPassword:AaBbCc123Booktitles,newwordsorterms,wordstobeemphasized.
Command-linevariable;replacewitharealnameorvalue.
ReadChapter6intheUser'sGuide.
Thesearecalledclassoptions.
Youmustberoottodothis.
Todeleteafile,typermfilename.
TABLEP-2ShellPromptsShellPromptCshellmachine_name%Cshellsuperusermachine_name#BourneshellandKornshell$BourneshellandKornshellsuperuser#xiiPlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997OrderingSunDocumentsSunDocsSMisadistributionprogramforSunMicrosystemstechnicaldocumentation.
ContactSunExpressforeasyorderingandquickdelivery.
YoucanfindalistingofavailableSundocumentationontheWorldWideWeb.
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sEmail:smcc-docs@sun.
comsFax:SMCCDocumentFeedback1-415-786-6443TABLEP-3SunExpressContactInformationCountryTelephoneFaxBelgium02-720-09-0902-725-88-50Canada1-800-873-78691-800-944-0661France0800-90-61-570800-90-61-58Germany01-30-81-61-9101-30-81-61-92Holland06-022-34-4506-022-34-46Japan0120-33-90960120-33-9097Luxembourg32-2-720-09-0932-2-725-88-50Sweden020-79-57-26020-79-57-27Switzerland0800-55-19-260800-55-19-27UnitedKingdom0800-89-88-880800-89-88-87UnitedStates1-800-873-78691-800-944-0661WorldWideWeb:http://www.
sun.
com/sunexpress/1-1CHAPTER1IntroductiontoGraphicsontheSPARCstation10SXandSPARCstation20TheSPARCstation10SXisavariantoftheSPARCstation10.
ThecriticalarchitecturaldifferencebetweentheSPARCstation10andtheSPARCstation10SXisthevideosubsystem.
TheSPARCstation10SXintegratesthegraphics/imagingacceleratorintothesystemmemorycontroller.
ThisassemblyisreferredtoastheScalableMemoryController(SMC).
SMCisanintegervectorprocessorwhichisusedforgraphicsandimagingacceleration.
TheacceleratorrendersdirectlyintoDRAMorvideoRAM.
TheSMCCofficialproductnameforthegraphics/imagingacceleratorisSX.
AllSPARCstation20machineshavetheSXgraphics/imagingaccelerator.
ThevideoRAM(herereferredtoastheframebuffer)fortheSPARCstation10SXisintegratedintothesystemmainmemoryaddressspace.
ItisavailableonavideoSIMMcard(VSIMM)intwoconfigurations:sWith4MBytesofvideoRAMsWith8MBytesofvideoRAM.
Thisframebufferofferstruecolorfunctionality.
ThevideoSIMMbyitselffunctionsasadumbframebuffer.
TheaccelerationwhenrenderingtothevideomemoryisprovidedbytheSXimagingandgraphicsaccelerator.
TheSMCCofficialproductnamefortheframebufferinSPARCstation10SXandSPARCstation20workstationsiscgfourteen.
1-2PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust19972-1CHAPTER2ReservingDRAMforSXAcceleratedApplications2.
1IntroductionOneoftheperformanceenhancementsforSXapplicationsistheavailabilityofphysicallycontiguousDRAM.
PhysicallycontiguousDRAMforSXwillbereferredtointhisdocumentasSXDRAM.
Thisdocumentdescribes:sTheprocessofconfiguringSXDRAMforexclusiveusebytheSXacceleratedapplications.
sTheapplicationcontextinwhichSXDRAMisusedsTheadvantagesofusingSXDRAMSXprovidesaccelerationofthegraphicsandimagingsegmentsofapplicationsthatrunonaSPARCstation10SXorSPARCstation20workstation.
Accelerationcanbeusedforawiderangeofpixeloperations,including2Dand3Dgraphicsrendering,multimedia,andimageprocessing.
TheSXaccelerator,builtintotheSMC,candirectlyaccelerateoperationsonboththesystemmainmemory(DRAM)andthevideomemory(VRAM).
TheSMCiscomprisedof:1.
Anerror-correctingcodememorycontrollerwhichinterfaceswithboththesystemmainmemory(DRAM)andthevideomemory(VRAM;theframebuffer)tothesystemmemorybus.
2.
TheSXimagingandgraphicsaccelerator.
2-2PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust19972.
2AdvantagesofUsingSXDRAMAsaconfigurationoption,youcanreserveSXDRAM.
WhenSXDRAMisreserved,theSXhasadditionaloptimizationsavailabletoitwhenaccessingSXDRAM,andoperationsonSXDRAMexecutemorequickly.
Thereservedmemory,however,isthennotavailableforusebyotherapplications.
Forexample,ona48-megabytesystem,allocating16megabytesofSXDRAMmeansthatthesystemwillineffectrunasa32-megabytesystem.
2.
3WhentoReserveSXDRAMCaution–ThememoryreservedforSXDRAMwillnotbeavailableforsystemuse.
WhenreservingSXDRAM,considertheamountofmemoryleftforsystemuse.
Ensurethatthereissufficientmemoryleftforsystemusethatsystemperformanceisnotadverselyaffected.
ReservingSXDRAMcanimprovetheperformanceofanapplicationthatusesthefoundationlibraryXGL.
ThedefaultconfigurationistousenoSXDRAMXGLusesSXDRAMforZbuffersanddouble-buffering.
Typically,8MBytesofSXDRAMmustbereservedifbothZ-bufferinganddouble-bufferingareused.
4MBytesmustbereservedwhenZ-bufferingisusedorwhendouble-bufferingisusedalone.
Forimagerotationoperations,theamountofSXDRAMthatmustbereservedshouldbethesameasthesizeoftheimage,roundeduptothenearestintegermultipleof1MByte.
Forexample,a1200x1200imagewithfour8-bitchannelsperpixelwillfitin5.
493MBytes,requiring6MBytesofSXDRAM.
2.
4CalculatingSXDRAMtoReserveTocalculatetheamountofSXDRAMtoreserve,adduptheindividualrequirementsandrounduptothenextmultipleof1MByte.
Theindividualrequirementsare:Chapter2ReservingDRAMforSXAcceleratedApplications2-31.
TheXGLZbufferrequires4bytesperpixel.
TheXGLbackbufferisrequiredonlyforRGBdoublebuffering,andisalso4bytesperpixel.
Forexample,iftheapplicationusesananimated24-bitZ-bufferedrasterthatislimitedto900x900pixels,thentheSXDRAMrequirementis900x900x8=6480000≤7MBytes(1048576x7bytes).
2.
5ConfiguringSXDRAMThissectionliststhestepstofollowinordertoconfigureSXDRAM.
Italsodiscussestheconstraintsimposedbythesystemsoftwareandhardware.
ItisessentialthatyouunderstandthesystemmemorymapbeforeyouconfigureSXDRAM.
NotethattherearesomekeydifferencesinthewaymemoryisarrangedontheSPARCstation10SXandtheSPARCstation20:sThephysicalsequenceofslotsisdifferentsTheslotsthatcanuseVSIMMsaredifferentInformationspecifictotheSPARCstation20isprovidedinSection2.
5.
2,"MemoryBankLayoutontheSPARCstation20,"onpage2-6.
ToplanSXDRAMconfigurationsforthosesystems,takethisinformationintoaccountwhenapplyingtheprinciplesexplainedinthematerialcoveringtheSPARCstation10SX.
2.
5.
1MemoryBankLayoutontheSPARCstation10SXTherearetwomemorybanksonaSPARCstation10SX.
Bank0iscomprisedofslots0,1,2,and3.
Bank1iscomprisedofslots4,5,6,and7.
These8slotsareavailableforconfiguringmemoryontheSPARCstation10SX.
Eachbankofmemorycanmap256MByteofphysicaladdressspace.
Eachslotineachmemorybankmaps64MByteofphysicaladdressspace.
Thebeginningphysicaladdressforbank0is0.
Forbank1,itis0x10000000.
2-4PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997Slots4mustbeconfiguredwithaVSIMM;slot5maybeconfiguredwitheitheraDSIMMoraVSIMM(CG14).
TheSPARCstation10SXsupports16MByteand64MByteDSIMMs,and4MByteand8MByteVSIMMs.
Eachslotmaps64MByteofphysicaladdressspaceregardlessofthesizeandtypeofSIMMthatisconfiguredintheslot.
FIGURE2-1MemoryLayoutonMotherBoardofSPARCstation10SXTABLE2-1belowillustratesthephysicaladdressmapofasystemconfiguredwith16MByteDSIMMSinalltheslotsTABLE2-1SPARCstation10SXSystemMemoryLayout16MByteDSIMMsonlySIMMSlotsDSIMMSizePhysicalAddressSlot716MByteDSIMM0x1c000000Slot316MByteDSIMM0xc000000Slot616MByteDSIMM0x18000000Slot216MByteDSIMM0x8000000Slot516MByteDSIMM0x14000000Slot116MByteDSIMM0x4000000Slot416MByteDSIMM0x10000000Slot016MByteDSIMM0x0Chapter2ReservingDRAMforSXAcceleratedApplications2-5TABLE2-2belowillustratesthephysicaladdressmapofasystemconfiguredwithone4MByteVSIMMinstalledinslot4and16MByteDSIMMsintheremainingslots.
Thus,onsystemsconfiguredwith16MByteDSIMMS,themaximumsizeofaphysicallycontiguousblockofDRAMis16MByte.
However,youcanreservemultipleblocksofSXDRAMonsuchsystems.
InordertobeabletoconfigureasingleblockofSXDRAMgreaterthan16MByte,thesystemmustbeconfiguredwith64MByteDSIMMs.
TABLE2-3illustratesasystemconfiguredwithone4MByteVSIMMandseven64MByteDSIMMs.
TABLE2-2SPARCstation10SXSystemMemoryLayoutOne4MByteVSIMM,Seven16MByteDSIMMsSIMMSlotsDSIMM/VSIMMSizePhysicalAddressSlot716MByteDSIMM0x1c000000Slot316MByteDSIMM0xc000000Slot616MByteDSIMM0x18000000Slot216MByteDSIMM0x8000000Slot516MByteDSIMM0x14000000Slot116MByteDSIMM0x4000000Slot44MByteVSIMM0xf0000000Slot016MByteDSIMM0x0TABLE2-3SPARCstation10SXSystemMemoryLayoutOne4MByteVSIMM,Seven64MByteDSIMMsSIMMSlotsDSIMM/VSIMMSizePhysicalAddressSlot764MByteDSIMM0x1c000000Slot364MByteDSIMM0xc000000Slot664MByteDSIMM0x18000000Slot264MByteDSIMM0x8000000Slot564MByteDSIMM0x14000000Slot164MByteDSIMM0x4000000Slot44MByteVSIMM0xf0000000Slot064MByteDSIMM0x02-6PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997Thislayoutresultsinonecontiguousblockof256MBytes(slots0,1,2,and3)beginningatphysicaladdress0,andanotherblockof192MBytes(slots4,5,6,and7)beginningatphysicaladdress0x14000000.
Therefore,themaximumamountofDRAMthatcanbeinstalledinthisconfigurationis448MBytes.
Atypicalsystemwillmostlikelyhave16MByteand64MByteDSIMMs,andVSIMMs.
Therearealargenumberofpossiblepermutationsofthesystemconfigurationwhich,duetospacelimitations,willnotbediscussedhere.
TobeabletoallocatethelargestpossibleblockofSXDRAMwithagivensetofVSIMMsandDSIMMs,usetheillustrationsinthissectionasaguide.
ThenextsectionprovidessomeinformationuniquetotheSPARCstation20.
Thetwosectionsfollowingthatdiscusssystemsoftwareconstraintsandconfigurationrecommendationsthatinvolvebothsystems.
2.
5.
2MemoryBankLayoutontheSPARCstation20OntheSPARCstation20,thephysicalsequenceofslotsisdifferentfromthatslotsontheSPARCstation10SX.
TheslotsthatcanbeusedforVSIMMsdifferaswell.
ThedifferentlayoutsarecomparedinTABLE2-4.
TABLE2-4ComparingSlotLocationsontheSPARCstation10SXandSPARCstation20SlotNamesonSPARCstation10SXSlotNamesonSPARCstation20Slot7Slot0Slot3Slot2Slot6Slot5Slot2Slot3Slot5(canbeVSIMM1)Slot6Slot1Slot1Slot4(canbeVSIMM0)Slot7(canbeVSIMM0)Slot0Slot4(canbeVSIMM1)Chapter2ReservingDRAMforSXAcceleratedApplications2-72.
5.
3SystemSoftwareConstraintsforSXDRAMConfigurationThefollowingconstraintsaredescribedintermsoftheSPARCstation10SX,butthesameconcernsapplytotheSPARCstation20.
1.
Thefirstslot(slot0)mustalwaysbeconfiguredwithaDSIMM.
2.
TheminimumrecommendedamountofmemoryrequiredforreasonableSPARCstation10SXperformanceis32MByte.
Thus,tobeabletoreserveSXDRAM,asystemshouldbeconfiguredwithmorethan32MBytesofDRAM.
However,userscanconfiguretheminimumamountofmemorythatmustbereservedforsystemusebyusingthe-loptionofthesxconfig(1M)command.
ThedifferencebetweentheamountofDRAMinstalledonthesystemandtheconfiguredminimumlimit(32MBytesbydefault)isthemaximumamountofmemorythatcanbereservedforSXDRAM.
3.
Theamountofphysicallycontiguousmemorythatshouldbereservedmustbespecifiedasanintegermultipleof1MByte.
Thus,theminimumamountthatcanbereservedis1MByte.
2.
5.
4RecommendedDSIMM/VSIMMConfigurationfortheSPARCstation10SX1.
TheVSIMMcanonlybeinstalledinslots4or5ontheSPARCstation10SX.
IfthereisonlyoneVSIMM,itcanbeinstalledineitherslot4or5.
ToinstalltheVSIMMinslot5,anAVB(AuxiliaryVideoBoard)cardisrequired.
ThiscardisnotbundledwiththeSPARCstation10SX.
2.
Alwaysinstalla16MByteDSIMMinslot0whenyouhaveacombinationof16MByteand64MByteDSIMMs.
3.
Ifthememorysystemconsistsonlyof16MByteDSIMMs.
Theycanbeconfiguredinanyslots,providedthatthefirst16MByteDSIMMisinstalledinslot0.
4.
Withinamemorybank,alwaysinstalltheDSIMMsintheorderofdecreasingDSIMMsizes(theorderingdoesnotmatterifalltheDSIMMsareofthesamesize).
Inotherwords,ifthereisacombinationof64MByteDSIMMsand16MByteDSIMMs,installthe64MByteDSIMMinthelowest-numberslot,followedbythe16MByteintheimmediatenextslot.
Whenconfiguringthememorysubsystemwith64MByteDSIMMsand16MByteDSIMMs,thefollowingexamplescanbeusedasaguide:Systemconfiguration:1VSIMM,216MByteDSIMMs,264MByteDSIMMs2-8PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997Canbeconfiguredas:116MByteDSIMMinslot0116MByteDSIMMinslot7164MByteDSIMMinslot6164MByteDSIMMinslot51VSIMMinslot4or116MByteDSIMMinslot0116MByteDSIMMinslot3164MByteDSIMMinslot2164MByteDSIMMinslot11VSIMMinslot4or52.
5.
5SXDRAMConfigurationTheoperatingsystemincludesadriverforreservingandmanagingphysicallycontiguousmemory.
Thememoryshouldbereservedaspartofthebootprocess,becauseitislikelytobetheleastfragmentedatthistime,andchancesoffindinglargeblocksofphysicallycontiguousmemoryarehigherduringboottime.
TheamountofSXDRAMtoreservecanbespecifiedbyusingthesxconfig(1M)command.
sxconfigcanbeexecutedonlybyaprocesswithsuperuserprivileges.
Herearesomeexamplesofsxconfigcommanduse.
Todisablefragmentation,enter:Torestoreallconfigurationparameterstothedefaultvalues,enter:Bydefault,0MBytesofphysicallycontiguousmemoryisreserved,fragmentationisnotallowed,and32MBytesofmemoryisreservedforsystemuse.
Todisplaythecurrentconfigurationparametersinthedriverconfigurationfile,enter:#sxconfig-n#sxconfig-d#sxconfig-cChapter2ReservingDRAMforSXAcceleratedApplications2-9Ifthesystemwasnotbootedafterthelasttimetheconfigurationparameterswerechanged,thenthedisplayedvalueswillnotreflecttheactualsystemset-up.
Formoreinformationaboutusingsxconfig,refertotheon-linemanpage.
Thesxconfigcommandresidesinthedirectory/platform/SUNW,SPARCstation-10,SX/sbin;theshellenvironmentvariablePATHmustincludethisdirectory.
TofindoutwhetherthePATHenvironmentvariableincludesthe/platform/SUNW,SPARCstation-10,SX/sbindirectory,type:Yoursearchpathwillbedisplayed.
Anexample:Ifthelinedisplayeddoesnotinclude/platform/SUNW,SPARCstation-10,SX/sbin,enterthefollowingifyouareineithertheBourneshellortheKornshell:followedby:ifyouareintheBourneshell.
IfyouareintheCshell,enter:If16MBytesofmemorymustbereserved,enter:Onasystemconfiguredwith16MByteDSIMMs,themaximumamountofSXDRAMthatcanbereservedinasingleblockis16MBytes.
Onsuchsystems,whenmorethan16MBytesofmemorymustbereservedforSXDRAM,thesxconfigcommand#echo$PATH/bin:/etc/:/usr/bin:#PATH=$PATH:/platform/SUNW,SPARCstation-10,SX/sbinexportPATH#exportPATH#setenvPATH"$PATH/platform/SUNW,SPARCstation-10,SX/sbin"#sxconfig-s162-10PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997canbeusedtospecifythatfragmentedreservationoftherequestedamountofSXDRAMisallowed.
Forexample,toreserve32MBytesofmemoryonasystemconfiguredwith16MBytes,enter:sxconfigandrebootcausesasearchofthesystempagepoolforacontiguousblockofmemoryofthespecifiedsize.
Iftheblockofmemoryisfound,itisreserved.
Iffragmentationisspecified(asshownabove),morethan16MBytesisspecified,andthesearchfails,theoperatingsystemsearchesforcontiguousblocksof16MBytes.
Ifnoblocksofthissizearefound,theoperatingsystemsearchesforcontiguousblocksof256KBytes.
WhentheSXDRAMconfigurationisfinished,haltthesystem:TheOpenBootPROMpromptisdisplayedontheconsole:Bootthesystembyentering:The-roptionspecifiesareconfigurationboot.
The-voptionspecifiesverbosemode.
Aspartofthebootprocess,therequestedamountofSXDRAMwillbereserved.
RefertoAppendixA,"BootMessages"foralistingofthemessagesthatwillbedisplayed.
Afterthesystemisrebooted,login,startOpenWindows,andstarttheXGLapplicationofyourchoice.
#sxconfig-s32-f#haltokokbootdisk-rv3-1CHAPTER3RunningOpenWindowsontheSPARCstation10SXandSPARCstation20ThischapterdiscussesthevisualsthatarepresentwhenrunningOpenWindowsontheSPARCstation10SXandSPARCstation20.
3.
1CG14PixelModesforRunningtheWindowSystemThecgfourteenframebufferisconfigurabletoscanouteither8-bitpixelsor32-bitpixels.
Thisallowsthecgfourteentobeusedinhighresolutionmodes.
Forexample,youcanconfigurea4MBytecgfourteenconnectedtoamulti-syncmonitortodisplay8-bitpixelsat1280x1024resolutionwiththecommand:Whenthesystemisrebootedthemonitordisplaysatthenewresolution.
Since4MBytesisinsufficientmemorytohave32bitsperpixel,invokingOpenWindowswillautomaticallyselect8-bitpixelsonly.
Thesamehardware,whenconfiguredtodisplayat1152x900resolutionwiththecommand:/platform/SUNW,SPARCstation-10,SX/sbin/cg14config-r1280x1024@66/platform/SUNW,SPARCstation-10,SX/sbin/cg14config-r1152x900@763-2PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997willallowOpenWindowstouse32bitsperpixel,afterrebooting.
Inbothmodes,theleft-overVRAMnotdisplayedonthescreenisutilizedbythewindowsystemforpixmapallocation.
Itispossibletousetheframebufferin8-bitpixelmodeevenwhenthereissufficientVRAMfor32-bitpixels.
Thereisasignificantperformanceimprovementwhentheframebufferisin8-bitpixelmode.
Toforcethepixelmode,puttheverbpixelmode="8"intheOWconfigfileusedbytheserver.
TheOWconfigfileistypicallyin/usr/openwin/server/etc.
Acompleteentrywiththisinthefilewouldlooklike:3.
2VisualsSupportedByOpenwindows3.
3Whenthewindowsystemrunsin8-bitmode,itexportsthesamevisualsthatareexportedbyOpenwindows3.
3onother8-bitframebuffers:s8-bitStaticGrays8-bitGrayScales8-bitStaticColors8-bitPseudoColors8-bitTrueColorands8-bitDirectColor.
OnlyonehardwarecolorlookuptableisavailabletobesharedbyallX11colormaps.
In32-bitmode,theserversupportsa24-bitTrueColorvisual,inadditiontoallofthevisualspresentin8-bitmode.
Whentheserverisstartedwiththefollowingoption:thedefaultvisual,inwhichtherootwindowiscreated,isan8-bitPseudoColorvisual.
#CG14displayadapterclass="XSCREEN"name="SUNWcg14"ddxHandler="ddxSUNWcg14.
so.
1"ddxInitFunc="sunCG14Init"pixelmode="8";/usr/openwin/bin/openwin-dev/dev/fbs/cgfourteen0defdepth8Chapter3RunningOpenWindowsontheSPARCstation10SXandSPARCstation203-3Whenthefollowingoptionisused:thedefaultvisualisa24-bitTrueColorvisual.
3.
3FalseColorEffectsThephenomenonofseeingthewrongcolorsinawindowbecauseanotherX11colormapisinstalledinthehardwareiscalledfalsecolor.
ThebestwaytoavoidfalsecoloristouseaTrueColorvisual.
Sinceall32bitsareavailableforTrueColorvisuals,thecolorsalwaysshowupcorrectly.
TheSXhardwarerenders24-bitvisualswiththesamespeedasitrenders8-bitvisuals,sothereisnoperformancepenaltywhenusing24-bitvisuals.
In32-bitmodetheStaticGrayvisualhasitsowndedicatedhardwarecolorlookuptable(actuallyalinearramp).
HenceStaticGraywindowsin32-bitmodewillnevercauseother8-bitwindowstoappearincorrectly.
/usr/openwin/bin/openwin-dev/dev/fbs/cgfourteen0defdepth243-4PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust19974-1CHAPTER4XILAccelerationonSXXIL1.
3,theversionprovidedinthisreleaseoftheSolarisOperatingEnvironment,nolongersupportsXILfunctionsthatareacceleratedspecificallyfortheSPARCstation10SXsystemandSPARCstation20systems.
ThelastSolarisreleasethatprovidedsuchaccelerationwastheSolaris2.
5.
1release.
4-2PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust19975-1CHAPTER5XGLAcceleratorGuideforSXThischapterdiscussestheoperationofXGL3.
1onSX.
ItdescribestheSXandtheimplementationoftheXGL/SXdriversothatyoucanunderstandhowtousetheirfeaturesmosteffectively.
5.
1OverviewTheSXisaprogrammabledevicethatacceleratesoperationsonpixels;forXGL,thisincludes:sDrawingsDotssAntialiaseddotssLinessAntialiasedlinessSpanssTrianglessOperationsonareassuchas:sFillingsCopyingsAccumulationbufferingandanythingelsethatinvolvesreadingandwritingpixeldata(colorandZbufferincluded.
)Thepixeldatacanresideeitherinvideoram(thecg14framebuffer,VRAM),orinmainmemory(DRAM.
)5-2PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997TheSPARCstation10SXsystemandSPARCstation20systemarenowusedtoaccelerateallXGLpixeloperationsexceptaccessingatexturedpixelfromatextureMipMapwhencertainattributesarenotsetTheSXdoesnotsupportfloatingpointoperations.
Thus,thetransformation,clipchecking,clipping,andoptionallylightingstepsthatcomprisethe2Dand3DgraphicspipelinearedoneontheCPU.
SincetheSXrunsinparallelwiththeCPU,typicallytheCPUwillbetransforminganobjectwhiletheSXisrenderingthepreviousobject.
TheSXhasasinglehardwarecontext.
ThiscontextisswitchedamongallprocessesusingSX.
Forexample,usingXlibtorenderpixelsviatheserver'sSXdriver,thenXGLtorenderpixelsviatheXGL/SXdriver,willcauseadelayasthehardwarecontextisswitchedbetweenthetwoprocesses.
Runningaperformancemeter,forexample,cancauseanoticeableglitchinapplicationanimationwhentheSXcontextisswitchedbetweenthemeterprocessandtheapplication.
UseofDirectXwhenmixingXlibandXGLrenderingishighlyrecommendedas,typically,nocontextswitchwilloccur.
ThesameSXcontextwillbesharedbetweentheXlibrenderingcallsandtheXGL/SXdriver.
Similarly,mixingXIL,XGLandDirectXinthesameprocesswillcausenocontextswitches.
Theframebuffer,cg14,supportsboth8and24bitdrawables,andcanhavebothvisiblesimultaneously.
Ifwindowidentifiershavenotallbeenusedupbyother8bitdouble-buffereddrawables,thenthecg14willusebufferswitchingfordoublebuffering.
Otherwise,theXGL/SXdriverusescopydoublebuffering,usingtheSXtoacceleratethecopy.
Thedriveralwaysusescopydoublebufferingfor24bitdrawables.
TheZbufferisstoredinDRAM,withoneallocatedforeachXGLrasterthathasZbufferingturnedon.
TheSXacceleratesZbufferclearingandcomparison.
IfSXDRAMisavailable,theXGL/SXdriverwilluseitforZbuffers,andbackbuffersaswell(ifdoublebufferingisenabled,andcopydoublebufferingisbeingused.
)SXDRAMsignificantlyimprovesline-drawingandcontext-switchingperformance.
Otherpixeloperationsrunabout10%-20%faster.
Chapter5XGLAcceleratorGuideforSX5-35.
2TextureMappingThe3.
1releaseoftheXGL/SXdriverhaslimitedsupportforacceleratedtexturemappingof3dtriangle_stripsandmulti_simple_polygons.
Alltexturemappingfunctionalityisfullysupported.
IfthefollowingXGLattributesaresettotheindicatedvalues,thentheSPARCstation10SXsystemandSPARCstation20systemhardwareisusedtorenderthefollowingtexturedsurfaces:YoualsoneedsufficientSXDRAMavailabletoholdthetexture.
RefertoChapter2,""forfurtherdetails,suchasthesizeofthetexturethatshouldbeincludedwhencalculatingthesizeofSXDRAMthatneedstobereserved.
5.
3XVisualsTheXGL/SXdriversupportsthefollowingsubsetoftheavailablecg14visuals:s8-bitPseudoColors8-bitStaticColors8-bitStaticGrays8-bitGrayScales24-bitTrueColorNotethattheapplicationmustrecognizethat8-bitDirectColorand8-bitTrueColorvisualsexist,andbeprogrammedtonotusethemwithXGL(XGLwillrejectanyattempttomakesuchavisualanXGLraster.
)Also,sincethewindowsystemcancomeupindefdepth24(seetheopenwin(1)manpage),theapplicationshouldnotassumethattherootwindowisofdepth8withadefaultcolormapavailable.
XGL_3D_CTX_SURF_FACE_DISTINGUISHFALSEXGL_3D_CTX_SURF_FRONT_ILLUMINATIONXGL_ILLUM_NONEXGL_3D_CTX_SURF_TMAP_PERSP_CORRECTIONXGL_TEXTURE_PERSP_NONEXgl_texture_interp_methodXGL_TEXTURE_INTERP_POINT(desc.
interp_info.
filter1/filter2)Xgl_texture_opXGL_TEXTURE_OP_REPLACE(desc.
comp_info.
render_component_desc[0].
texture_op)5-4PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust19975.
3.
1XGL_3D_CTX_JITTER_OFFSETIfaccumulationbuffering(globalantialiasing)isintended,anon-zerojittervaluemustbeused.
TheXGL/SXdriverdrawsBresenham-stylelinesin3DwhentheXandYjittervaluesareexactlyzero,andtruesampledlines(suitableforaccumulation)otherwise.
5.
3.
2SIGFPETomaximizeperformance,zerodividesandfloatingpointoverflowsareallowedtooccurinnormaloperationoftheXGL/SXdriver.
Thedefaultistoignoretheseexceptions.
Iftheapplicationenablestheseexceptions,theyshouldbesetuptobeignoredbeforecallingXGL.
5.
3.
3XGL_CTX_PICK_APERTURETheSXusestherasterizationsemanticforpicking.
SeetheSolarisXGL3.
0.
2ReferenceManualforacompletedescriptionofthissemantic.
5.
3.
4XGL_DEV_COLOR_TYPEandXGL_DEV_REAL_COLOR_TYPETheXGL/SXdriversupportsonlymatchingXGL_DEV_COLOR_TYPEandXGL_DEV_REAL_COLOR_TYPE;theymustbothbeeitherXGL_COLOR_INDEXorXGL_COLOR_RGB.
Otherwise,theslowerXGL/Xlibdriverwillbeusedtorenderintothewindowraster.
5.
4Antialiasingcg14config(1M)shouldbeusedtosetthegammavaluetoareasonablevalueforyourmonitorbeforeviewingantialiasedlinesanddots.
Agoodinvocationtostartwithis/platform/SUNW,SPARCstation-10,SX/sbin/cg14config-g2.
2-u2.
2Chapter5XGLAcceleratorGuideforSX5-5Otherwise,theantialiasedobjectswillnotlookright.
5.
5PerformanceConsiderationsThegcacheshouldbeusedwherepossibletodrawpolygonsotherthantriangles.
NotallrenderingfunctionsareequallyacceleratedbytheXGL/SXdriver.
Thegreatesteffortwasfocusedonmaximizingtheperformanceofthemostusefulones.
Thefollowingisanecessarily-incompletelistofthese.
Pleasenotethatfunctionsnotonthislistarenotslow;theyarejustnotasfastastheycouldbeinthenextreleaseoftheXGL/SXdriver.
Ifoperationsthatarecriticaltoyourapplicationarenotinthislist,pleasemakearequestfortheirspeedtobeincreased.
xgl_context_copy_raster()Fromwindowrastertowindowraster.
xgl_multi_marker()2Dcirclesofradii1to32pixels.
xgl_multi_polyline()In2D,thinlines,solidorpatterned,containingnocolororhomogeneousvalues,andwithXGL_CTX_ROPequaltoXGL_ROP_COPY.
In3D,thinlines,solidorpatterned,containingnocolor,flag,homogeneousordatavalues,notmodelclipped,clippedto+wonly,:andwithXGL_CTX_ROPequaltoXGL_ROP_COPY.
xgl_multi_simple_polygon()In3D,triangles.
ThehintflagsmustbesettoXGL_FACET_FLAG_SIDES_ARE_3.
xgl_triangle_strip()Trianglesthathavenohomogeneousordatavalues,arenotmodelclipped,:areclippedto+wonly,are24-bit,haveedgesturnedoff,aresolidandopaque,andhaveXGL_3D_CTX_Z_BUFFER_COMP_METHODequaltoXGL_Z_COMP_LESS_THAN_OR_EQUAL.
xgl_context_accumulate()Alloperations.
5-6PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997A-1APPENDIXABootMessagesThisAppendixlistsmessagessuchasaredisplayedontheSPARCstation10SXorSPARCstation20duringthebootprocessfollowingSXDRAMconfiguration.
Thesemessagesprovideinformationregardingtheamountofcontiguousmemorythathasbeenreserved.
TableE-1TypicalBootMessagesFollowingSXDRAMConfigurationSunOSRelease5.
3Versionalpha2.
3[UNIX(R)SystemVRelease4.
0]Copyright(c)1983-1993,SunMicrosystems,Inc.
pac:enabled-SuperSPARC/SuperCachecpu0:TI,TMS390Z55(mid8impl0x0ver0x0clock40MHz)mem=49152K(0x3000000)availmem=41820160Ethernetaddress=8:0:20:13:0:37rootnexus=SUNW,Premier-24iommu0atroot:obio0xe0000000sbus0atiommu0:obio0xe0001000espdma0atsbus0:SBusslotf0x400000esp0atespdma0:SBusslotf0x800000sparcipl4sd0atesp0:target0lun0sd0is/iommu@f,e0000000/sbus@f,e0001000/espdma@f,400000/esp@f,800000/sd@0,0sd2atesp0:target2lun0sd2is/iommu@f,e0000000/sbus@f,e0001000/espdma@f,400000/esp@f,800000/sd@2,0sd3atesp0:target3lun0sd3is/iommu@f,e0000000/sbus@f,e0001000/espdma@f,400000/esp@f,800000/sd@3,0sd6atesp0:target6lun0sd6is/iommu@f,e0000000/sbus@f,e0001000/espdma@f,400000/esp@f,800000/sd@6,0A-2PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997Unabletoinstall/attachdriver'isp'rooton/iommu@f,e0000000/sbus@f,e0001000/espdma@f,400000/esp@f,800000/sd@3,0:afstypeufsobio0atrootzs0atobio0:obio0x100000sparcipl12zs0is/obio/zs@0,100000zs1atobio0:obio0x0sparcipl12zs1is/obio/zs@0,0configuringnetworkinterfaces:ledma0atsbus0:SBusslotf0x400010le0atledma0:SBusslotf0xc00000sparcipl6le0is/iommu@f,e0000000/sbus@f,e0001000/ledma@f,400010/le@f,c00000le0.
Hostname:exampledumpon/dev/dsk/c0t3d0s1size65860KConfiguringthe/devicesdirectoryUnabletoinstall/attachdriver'bwtwo'Unabletoinstall/attachdriver'audio'Unabletoinstall/attachdriver'cgthree'st4:st4atesp0:target4lun0st4is/iommu@f,e0000000/sbus@f,e0001000/espdma@f,400000/esp@f,800000/st@4,0Unabletoinstall/attachdriver'isp'SUNW,fdtwo0atobio0:obio0x700000sparcipl11SUNW,fdtwo0is/obio/SUNW,fdtwo@0,700000Unabletoinstall/attachdriver'cgsix'Unabletoinstall/attachdriver'vme'Unabletoinstall/attachdriver'ipi3sc'Unabletoinstall/attachdriver'id'Unabletoinstall/attachdriver'vme'Unabletoinstall/attachdriver'vmemem'sbusmem0atsbus0:SBusslot00x0sbusmem0is/iommu@f,e0000000/sbus@f,e0001000/sbusmem@0,0sbusmem1atsbus0:SBusslot10x0sbusmem1is/iommu@f,e0000000/sbus@f,e0001000/sbusmem@1,0sbusmem2atsbus0:SBusslot20x0sbusmem2is/iommu@f,e0000000/sbus@f,e0001000/sbusmem@2,0sbusmem3atsbus0:SBusslot30x0sbusmem3is/iommu@f,e0000000/sbus@f,e0001000/sbusmem@3,0sbusmem14atsbus0:SBusslote0x0sbusmem14is/iommu@f,e0000000/sbus@f,e0001000/sbusmem@e,0sbusmem15atsbus0:SBusslotf0x0sbusmem15is/iommu@f,e0000000/sbus@f,e0001000/sbusmem@f,0Unabletoinstall/attachdriver'xbox'TableE-1TypicalBootMessagesFollowingSXDRAMConfigurationAppendixABootMessagesA-3SUNW,bpp0atsbus0:SBusslotf0x4800000SBuslevel2sparcipl3SUNW,bpp0is/iommu@f,e0000000/sbus@f,e0001000/SUNW,bpp@f,4800000Unabletoinstall/attachdriver'pn'Unabletoinstall/attachdriver'lebuffer'Unabletoinstall/attachdriver'cgeight'Unabletoinstall/attachdriver'ipi3sc'SUNW,DBRIe0atsbus0:SBusslote0x10000SBuslevel5sparcipl9SUNW,DBRIe0is/iommu@f,e0000000/sbus@f,e0001000/SUNW,DBRIe@e,10000MMCODEC:Manufacturerid1,Revision1pseudo-device:vol0vol0is/pseudo/vol@0Unabletoinstall/attachdriver'xbox'Unabletoinstall/attachdriver'vme'Unabletoinstall/attachdriver'mcp'Unabletoinstall/attachdriver'vme'Unabletoinstall/attachdriver'mcp'Unabletoinstall/attachdriver'mcpzsa'Unabletoinstall/attachdriver'vme'Unabletoinstall/attachdriver'mcp'Unabletoinstall/attachdriver'mcpp'SUNW,sx0atroot:obio0x80000000andobio0x80001000SUNW,sx0is/SUNW,sx@f,80000000cgfourteen0atobio0:obio0x0andobio0x0sparcipl8cgfourteen0is/obio/cgfourteen@1,0sx_cmem:Installed112MBReserved8MBFragment0AvailForSystemUse104MBpseudo-device:sx_cmem0sx_cmem0is/pseudo/sx_cmem@0Unabletoinstall/attachdriver'stc'Unabletoinstall/attachdriver'isp'Unabletoinstall/attachdriver'cgtwelve'Unabletoinstall/attachdriver'gt'Unabletoinstall/attachdriver'leo'Unabletoinstall/attachdriver'rtvc'Unabletoinstall/attachdriver'tcx'Configuringthe/devdirectoryConfiguringthe/devdirectory(compatibilitydevices)Thesystemiscomingup.
Pleasewait.
.
.
.
TableE-1TypicalBootMessagesFollowingSXDRAMConfigurationA-4PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997Index-1IndexAantialiasing,5-4Ccg14framebuffer,5-2cg14visuals,5-3cgfourteendevicedriver,1-1conguringSXDRAM,2-3to2-10Ddouble-buffering,2-2Ffalsecoloreffects,3-3OOpenWindowsonSPARCstation10SX,3-1SScalableMemoryController(SMC),1-1SIGFPE,5-4SMC(ScalableMemoryController),1-1,2-1SPARCstation10,1-1SPARCstation10SX,1-1SPARCstation20,1-1SXhardwarecontext,5-2SXimagingandgraphicsaccelerator,1-1,2-1SXDRAM,2-1to2-10calculatingamounttoreserve,2-2conguring,2-3to2-10systemmemorycontroller,1-1VvideoRAM,1-1videosubsystem,1-1visuals,supportedbyOpenWindows,3-2VSIMM,1-1XXGL,2-2XGL3.
0.
2acceleratorguideforSX,5-1to5-5XGL,useofSXDRAMby,2-2to2-3XGL/SXdriver,5-2,5-5XGL_3D_CTX_JITTER_OFFSET,5-4XGL_CTX_PICK_APERTURE,5-4XGL_DEV_COLOR_TYPE,5-4XGL_DEV_REAL_COLOR_TYPE,5-4XILaccelerationonSX,4-1ZZbuffer,5-2Z-buffering,2-2Index-2PlatformNotes:SPARCstation10SXandSPARCstation20SystemConfigurationGuideAugust1997