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gluerrorstring(3g) [xfree86 man page]


gluErrorString - produce an error string from a GL or GLU error code C SPECIFICATION
const GLubyte * gluErrorString( GLenum error ) PARAMETERS
error Specifies a GL or GLU error code. DESCRIPTION
gluErrorString produces an error string from a GL or GLU error code. The string is in ISO Latin 1 . For example, gluErrorString(- GL_OUT_OF_MEMORY) returns the string out of memory. The standard GLU error codes are GLU_INVALID_ENUM, GLU_INVALID_VALUE, and GLU_OUT_OF_MEMORY. Certain other GLU functions can return spe- cialized error codes through callbacks. See the glGetError reference page for the list of GL error codes. ERRORS
NULL is returned if error is not a valid GL or GLU error code. SEE ALSO
glGetError(3G), gluNurbsCallback(3G), gluQuadricCallback(3G), gluTessCallback(3G) GLUERRORSTRING(3G)

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gluGetString - return a string describing the GLU version or GLU extensions C SPECIFICATION
const GLubyte * gluGetString( GLenum name ) PARAMETERS
name Specifies a symbolic constant, one of GLU_VERSION, or GLU_EXTENSIONS. DESCRIPTION
gluGetString returns a pointer to a static string describing the GLU version or the GLU extensions that are supported. The version number is one of the following forms: major_number.minor_number major_number.minor_number.release_number. The version string is of the following form: version number<space>vendor-specific information Vendor-specific information is optional. Its and contents depend on the implementation. The standard GLU contains a basic set of features and capabilities. If a company or group of companies wish to support other features, these may be included as extensions to the GLU. If name is GLU_EXTENSIONS, then gluGetString returns a space-separated list of names of supported GLU extensions. (Extension names never contain spaces.) All strings are null-terminated. NOTES
gluGetString only returns information about GLU extensions. Call glGetString to get a list of GL extensions. gluGetString is an initialization routine. Calling it after a glNewList results in undefined behavior. ERRORS
NULL is returned if name is not GLU_VERSION or GLU_EXTENSIONS. SEE ALSO
glGetString(3G) GLUGETSTRING(3G)
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