Name

cgGetNumProgramDomains - get the number of domains in a combined program

Synopsis

#include <Cg/cg.h>

int cgGetNumProgramDomains( CGprogram program );

Parameters

program

The combined program object to be queried.

Return Values

Returns the number of domains in the combined program program.

Returns 0 if an error occurs.

Description

cgGetNumProgramDomains returns the number of domains in a combined program. For example, if the combined program contained a vertex program and a fragment program, cgGetNumProgramDomains will return 2.

cgGetNumProgramDomains will always return 1 for a non-combined program.

Examples

CGprogram combined = cgCombinePrograms2( prog1, prog2 );
int numDomains = cgGetNumProgramDomains( combined );
/* numDomains == 2 */

Errors

CG_INVALID_PROGRAM_HANDLE_ERROR is generated if program is not a valid program handle.

History

cgGetNumProgramDomains was introduced in Cg 1.5.

See Also

cgGetProfileDomain, cgGetProgramDomainProfile, cgGetProgramDomainProgram