GL_ATI_vertex_attrib_array_object http://www.opengl.org/registry/specs/gl/ATI/vertex_attrib_array_object.txt GL_ATI_vertex_attrib_array_object void glGetVertexAttribArrayObjectfvATI (GLuint index, GLenum pname, GLfloat* params) void glGetVertexAttribArrayObjectivATI (GLuint index, GLenum pname, GLint* params) void glVertexAttribArrayObjectATI (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, GLuint buffer, GLuint offset)