测试代码如下:
Glubyte data[1][1][1];
Glubyte pixel[1][1][1];
data[0][0][0] = 8;
glGenTexture(1,&texname);
glBindTexture(GL_TEXTURE_3D,texname);
glTexImage3D(GL_TEXTURE_3D,0,GL_ALPHA,1,1,1,GL_ALPHA,GL_UNSIGNED_BYTE,data);
glGetTexImage(GL_TEXTURE_3D,0,GL_ALPHA,GL_UNSIGNED_BYTE,pixel);
这样得到的pixel[0][0][0]并等于8,这是怎么回事?