void * glMapBuffer( GLenum target, GLenum access); void * glMapBufferRange( GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access); void glMinSampleShading( GLfloat value); void glMultiDrawArrays( GLenum mode, const GLint * first, const GLsizei * count, GLsizei drawcount); void glMultiDrawElements( GLenum mode, const GLsizei * count, GLenum type, const void * const * indices, GLsizei drawcount); void glMultiDrawElementsBaseVertex( GLenum mode, const GLsizei *count, GLenum type, const void * const *indices, GLsizei drawcount, const GLint *basevertex);