GL_NV_primitive_restart http://www.opengl.org/registry/specs/NV/primitive_restart.txt GL_NV_primitive_restart GL_PRIMITIVE_RESTART_NV 0x8558 GL_PRIMITIVE_RESTART_INDEX_NV 0x8559 void glPrimitiveRestartIndexNV (GLuint index) void glPrimitiveRestartNV (void)