我自己学dx9编程时候的一个练习,只渲染了简单的2个三角形(有纹理映射),可以用vk_up来简单控制摄像机视角,可以帮助大家入门-My own school dx9 programming when a practice only render a simple two triangle (texture mapping), with vk_up simple control of the camera angle, you can help people get started