GL_EXT_secondary_color
http://oss.sgi.com/projects/ogl-sample/registry/EXT/secondary_color.txt
	GL_COLOR_SUM_EXT 0x8458
	GL_CURRENT_SECONDARY_COLOR_EXT 0x8459
	GL_SECONDARY_COLOR_ARRAY_SIZE_EXT 0x845A
	GL_SECONDARY_COLOR_ARRAY_TYPE_EXT 0x845B
	GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT 0x845C
	GL_SECONDARY_COLOR_ARRAY_POINTER_EXT 0x845D
	GL_SECONDARY_COLOR_ARRAY_EXT 0x845E
	void glSecondaryColor3bEXT (GLbyte red, GLbyte green, GLbyte blue)
	void glSecondaryColor3bvEXT (const GLbyte *v)
	void glSecondaryColor3dEXT (GLdouble red, GLdouble green, GLdouble blue)
	void glSecondaryColor3dvEXT (const GLdouble *v)
	void glSecondaryColor3fEXT (GLfloat red, GLfloat green, GLfloat blue)
	void glSecondaryColor3fvEXT (const GLfloat *v)
	void glSecondaryColor3iEXT (GLint red, GLint green, GLint blue)
	void glSecondaryColor3ivEXT (const GLint *v)
	void glSecondaryColor3sEXT (GLshort red, GLshort green, GLshort blue)
	void glSecondaryColor3svEXT (const GLshort *v)
	void glSecondaryColor3ubEXT (GLubyte red, GLubyte green, GLubyte blue)
	void glSecondaryColor3ubvEXT (const GLubyte *v)
	void glSecondaryColor3uiEXT (GLuint red, GLuint green, GLuint blue)
	void glSecondaryColor3uivEXT (const GLuint *v)
	void glSecondaryColor3usEXT (GLushort red, GLushort green, GLushort blue)
	void glSecondaryColor3usvEXT (const GLushort *v)
	void glSecondaryColorPointerEXT (GLint size, GLenum type, GLsizei stride, GLvoid *pointer)