cgGetStateAssignmentIndex

> # NAME

> cgGetStateAssignmentIndex - get the array index of a state assignment for array-valued state

> # SYNOPSIS

>       #include <Cg/cg.h>

>       int cgGetStateAssignmentIndex( CGstateassignment sa );

> # PARAMETERS

> sa

>   The state assignment.

> # RETURN VALUES

> Returns an integer index value.

> Returns 0 if the CGstate for this state assignment is not an array type.

> # DESCRIPTION

> cgGetStateAssignmentIndex returns the array index of a state assignment if the state it is based on is an array type.

> # EXAMPLES

> Given a "LightPosition" state defined as an array of eight float3 values and an effect file with the following state assignment:

>        pass { LightPosition[3] = float3(10,0,0); }

> cgGetStateAssignmentIndex will return 3 when passed a handle to this state assignment.

> # ERRORS

> CG_INVALID_STATE_ASSIGNMENT_HANDLE_ERROR is generated if sa is not a valid state assignment.

> # HISTORY

> cgGetStateAssignmentIndex was introduced in Cg 1.4.

> # SEE ALSO

> cgIsStateAssignment, cgCreateStateAssignmentIndex