Technical Q&A QA1218
How do I tell if a particular display is being hardware accelerated by Quartz Extreme?

Q: Quartz Extreme Ç…ÇÊǡǃì¡íËÇÃÉfÉBÉXÉvÉåÉCÇ™ÉnÅ[ÉhÉEÉFÉAÉAÉNÉZÉâÉåÅ[ÉgÇ≥ÇÍǃǢÇÈǩǫǧǩÇämîFÇ∑ÇÈÇ…ÇÕÅAǫǧÇ∑ÇÍÇŒÇÊÇ¢Ç≈Ç∑Ç©ÅH

A: Mac OS X v10.2 (Jaguar) Ç…ÇÕÅAÇ‹Ç≥ǵÇ≠ǪÇÍÇñ⁄ìIÇΔǵÇΩ CGDisplayUsesOpenGLAcceleration ÇΔǢǧêVãK API Ç™ÅuCGDisplayConfiguration.hÅvÉwÉbÉ_ÉtÉ@ÉCÉãDždžÇËÇ‹Ç∑ÅBÅuCGDisplayConfiguration.hÅvÉwÉbÉ_ÉtÉ@ÉCÉãÇÕÅACore Graphics framework (CoreGraphics.framework) Ç…ä‹Ç‹ÇÍǃǢNjÇ∑ÅBDZÇà Core Graphics framework ÇÕÅAApplication Services framework (ApplicationServices.framework) ÇÃàÍïîÇ≈Ç∑ÅBÉäÉXÉg 1 Ç… CGDisplayUsesOpenGLAcceleration ÇÃìTå^ìIÇ»égópñ@Çé¶ÇµÇ‹Ç∑ÅB



/*
 CGDisplayUsesOpenGLAcceleration() ÇÕ CGDirectDisplayID
 ÉpÉâÉÅÉ^ÇéÛÇØéÊǡǃÅAboolean_t ÇÃåãâ Çï‘ǵNjÇ∑
 */



    /* CGDisplayUsesOpenGLAcceleration() ÇÃÉvÉçÉgÉ^ÉCÉv */
#include <ApplicationServices/ApplicationServices.h>


    /* ÉfÉBÉXÉvÉåÉCÇ™ÉAÉNÉZÉâÉåÅ[ÉgÇ≥
       ÇÍǃǢÇÈǩǫǧǩÇämîFÇ∑ÇÈÉRÅ[Éh */

if ( CGDisplayUsesOpenGLAcceleration( displayID ) )
{
    /* ÉOÉâÉtÉBÉbÉNÉXã@î\ÇÉtÉãäàópÇ∑ÇÈ */
}
else
{
    /* ÉOÉâÉtÉBÉbÉNÉXã@î\Çå¿íËégópÇ∑ÇÈ */
}

ÉäÉXÉg 1. OpenGL ÉAÉNÉZÉâÉåÅ[ÉVÉáÉìÇÃÉ`ÉFÉbÉN



[2002 îN 12 åé 3 ì˙]