cgGetFirstEffectAnnotation

Langue: en

Version: 46946 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

cgGetFirstEffectAnnotation - get the first annotation in an effect

SYNOPSIS


  #include <Cg/cg.h>







  CGannotation cgGetFirstEffectAnnotation( CGeffect effect );

PARAMETERS


effect
The effect from which to retrieve the first annotation.

RETURN VALUES

Returns the first annotation in an effect.

Returns NULL if the effect has no annotations.

DESCRIPTION

The first annotation associated with an effect can be retrieved using cgGetFirstEffectAnnotation. The rest of the effect's annotations can be discovered by iterating through them using cgGetNextAnnotation.

EXAMPLES


  CGannotation ann = cgGetFirstEffectAnnotation( effect );

  while( ann )

  {

     /* do something with ann */

     ann = cgGetNextAnnotation( ann );

  }

ERRORS

CG_INVALID_EFFECT_HANDLE_ERROR is generated if effect is not a valid effect.

HISTORY

cgGetFirstEffectAnnotation was introduced in Cg 1.5.

SEE ALSO

cgGetNamedEffectAnnotation, cgGetNextAnnotation