Nvidia Corp. Computer Hardware 2 Manuel d'utilisateur télécharger pdf (Page 68)

wglQuerySwapGroupNV(),

glxQuerySwapGroupNV()

This call returns the swap group number and barrier number to which the

device context is bound.

Function B00L QuerySwapGroupNV (HDC hDC, GLuint *group,

GLuint *barrier);

Parameters In hDC - Device context for the frame lock card, or a

window residing on the frame lock card.

Parameters Out *group - The group number to which the device

context is bound, or assigned.

*barrier - The barrier number to which the device

context is bound.

Return Values TRUE: Success

FALSE: Failure. In this case *group and *barrier are

undeﬁ ned.

wglQueryMaxSwapGroupsNV(),

glxQueryMaxSwapGroupsNV()

This call returns the maximum number of swap groups and swap barriers

that are supported by the implementation.

Function B00L QueryMaxSwapGroupsNV (HDC hDC, GLuint

*maxGroup, GLuint *maxBarrier);

Parameters In hDC - Device context for the frame lock card, or a

window residing on the frame lock card.

Parameters Out *maxGroups - The maximum group number

supported by the implementation.

*maxBarriers - The maximum barrier number

supported by the implementation.

Return Values TRUE: Success

FALSE: Failure. In this case *maxGroups and

*maxBarriers are undeﬁ ned.

Using the OpenGL Extensions

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Nvidia Corp. Computer Hardware 2 Manuel d'utilisateur Page 68