1GL_ARB_vertex_attrib_64bit
2http://www.opengl.org/registry/specs/ARB/vertex_attrib_64bit.txt
3GL_ARB_vertex_attrib_64bit
4	GL_DOUBLE_MAT2 0x8F46
5	GL_DOUBLE_MAT3 0x8F47
6	GL_DOUBLE_MAT4 0x8F48
7	GL_DOUBLE_VEC2 0x8FFC
8	GL_DOUBLE_VEC3 0x8FFD
9	GL_DOUBLE_VEC4 0x8FFE
10	void glGetVertexAttribLdv (GLuint index, GLenum pname, GLdouble* params)
11	void glVertexAttribL1d (GLuint index, GLdouble x)
12	void glVertexAttribL1dv (GLuint index, const GLdouble* v)
13	void glVertexAttribL2d (GLuint index, GLdouble x, GLdouble y)
14	void glVertexAttribL2dv (GLuint index, const GLdouble* v)
15	void glVertexAttribL3d (GLuint index, GLdouble x, GLdouble y, GLdouble z)
16	void glVertexAttribL3dv (GLuint index, const GLdouble* v)
17	void glVertexAttribL4d (GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w)
18	void glVertexAttribL4dv (GLuint index, const GLdouble* v)
19	void glVertexAttribLPointer (GLuint index, GLint size, GLenum type, GLsizei stride, const void* pointer)
20