Name
cgGetSamplerStateAssignmentParameter - get the sampler parameter being set up given a state assignment in its sampler_state block
Synopsis
#include <Cg/cg.h> CGparameter cgGetSamplerStateAssignmentParameter( CGstateassignment sa );Parameters
- sa
- The state assignment in a sampler_state block
Return Values
Returns a handle to a parameter.
Returns NULL if sa is not a state assignment in a sampler_state block.
Description
Given the handle to a state assignment in a sampler_state block in an effect file, cgGetSamplerStateAssignmentParameter returns a handle to the sampler parameter being initialized.
Examples
Given an effect file with:
sampler2D foo = sampler_state { GenerateMipmap = true; }cgGetSamplerStateAssignmentParameter returns a handle to foo if passed a handle to the GenerateMipmap state assignment.
Errors
CG_INVALID_STATE_ASSIGNMENT_HANDLE_ERROR is generated if sa is not a valid state assignment.
History
cgGetSamplerStateAssignmentParameter was introduced in Cg 1.4.
See Also