glGetDetailTexFuncSGIS man page on IRIX

glGetDetailTexFuncSGIS man page on IRIX

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glGetDetailTexFuncSGIS(3G)     OpenGL Reference	    glGetDetailTexFuncSGIS(3G)

NAME
     glGetDetailTexFuncSGIS - get detail texture scaling function

C SPECIFICATION
     void glGetDetailTexFuncSGIS( GLenum target,
				  GLfloat *points )

PARAMETERS
     target  The texture whose detail texture scaling function is to be
	     retrieved.	 Must be GL_TEXTURE_2D.

     points  A pointer to a floating-point array which receives the retrieved
	     detail texture function.  Each pair of elements in the array
	     receives an LOD (level-of-detail) value and a scaling function
	     value.

DESCRIPTION
     glGetDetailTexFuncSGIS retrieves the detail texture scaling function
     samples specified by glDetailTexFuncSGIS.	See glDetailTexFuncSGIS for a
     discussion of detail texturing.

NOTES
     The number of elements in points may be queried by calling
     glGetTexParameter with target set to GL_TEXTURE_2D and pname set to
     GL_DETAIL_TEXTURE_FUNC_POINTS_SGIS.

ERRORS
     GL_INVALID_ENUM is generated if target is not an allowable value.

     GL_INVALID_OPERATION is generated if glGetDetailTexFuncSGIS is executed
     between the execution of glBegin and the corresponding execution of
     glEnd.

MACHINE DEPENDENCIES
     On RealityEngine, RealityEngine2, and VTX systems detail texturing may
     not be used when rendering to pixmaps.

     RealityEngine, RealityEngine2, and VTX systems do not support
     glGetDetailTexFuncSGIS correctly.

SEE ALSO
     glDetailTexFuncSGIS.

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