Name

cgGLGetGLSLVersion - get the GLSL version enumerant from a string

Synopsis

#include <Cg/cgGL.h>

CGGLglslversion cgGLGetGLSLVersion(const char *version_string);

Parameters

version_string

A string containing the GLSL version name.

Return Values

Returns the CGGLglslversion enumerant associated with version_string.

Returns CG_GL_GLSL_DEFAULT if an error occurs.

Description

cgGLGetGLSLVersion returns the CGGLglslversion enumerant from a string.

Examples

CGGLglslversion v100 = cgGLGetGLSLVersion("1");
CGGLglslversion v110 = cgGLGetGLSLVersion("1.1");
CGGLglslversion v120 = cgGLGetGLSLVersion("1.20");
CGGLglslversion vFoo = cgGLGetGLSLVersion("foo");

assert(v100=CG_GL_GLSL_100);
assert(v110=CG_GL_GLSL_110);
assert(v120=CG_GL_GLSL_120);
assert(vFoo=CG_GL_GLSL_DEFAULT);

Errors

CG_INVALID_PARAMETER_ERROR is generated if version_string is NULL.

History

cgGLGetGLSLVersion was introduced in Cg 3.1.

See Also

cgGLGetGLSLVersionString, cgGLGetContextGLSLVersion, cgGLSetContextGLSLVersion