Nvidia Corp. Computer Hardware 2 Bedienungsanleitung PDF herunterladen (Seite 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 Bedienungsanleitung Seite 68