Name
cgGetFirstEffect - get the first effect in a context
Synopsis
#include <Cg/cg.h>
CGeffect cgGetFirstEffect( CGcontext context );
Parameters
- context
-
The context from which to retrieve the first effect.
Return Values
Returns the first CGeffect object in context.
Returns NULL if context contains no effects.
Description
cgGetFirstEffect is used to begin iteration over all of the
effects contained by a context. See cgGetNextEffect for
more information.
Examples
/* one or more effects have previously been loaded into context */
CGeffect effect = cgGetFirstEffect( context );
Errors
CG_INVALID_CONTEXT_HANDLE_ERROR is generated if context is not a valid context.
History
cgGetFirstEffect was introduced in Cg 1.4.
See Also
cgGetNextEffect,
cgCreateEffect,
cgCreateEffectFromFile,
cgDestroyEffect,
cgIsEffect,
cgGetFirstProgram
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