OpenGL小知识

##glClear(GL_DEPTH_BUFFER_BIT);
zbuffer的值为1.f
##glClear(GL_STENCIL_BUFFER_BIT);
value:0.f
##glStencilMask跟glDepthMask的设置对glclear有效

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转载自blog.csdn.net/haseetxwd/article/details/82941815