3
当我设置glEnable的东西,或指定func的东西,我启用,然后切换帧缓冲区对象,我的设置保存为每个帧缓冲区对象,还是我必须为每个设置它们?在实践中,这是否工作?切换FBO时是否保持glEnable?
glEnable(GL_CULL_FACE);
glCullFace(GL_FRONT);
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
for int i=0; i<N; i++{
glBindFramebuffer(GL_FRAMEBUFFER, fbos[i]);
rendering something to the fbos here
}
还是我必须写
for int i=0; i<N; i++{
glBindFramebuffer(GL_FRAMEBUFFER, fbos[i]);
glEnable(GL_CULL_FACE);
glCullFace(GL_FRONT);
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
rendering something to the fbos here
}
编辑:又是怎么回事glUseProgram?那是保存的吗?