GLCLEARDEPTH(3G) GLCLEARDEPTH(3G)

glClearDepth - specify the clear value for the depth buffer

void glClearDepth( GLclampd depth )












  

  
Specifies the depth value used when the depth buffer is cleared. The
      initial value is 1.










glClearDepth specifies the depth value used by
    glClear to clear the depth buffer. Values specified by
    glClearDepth are clamped to the range [0, 1].








GL_INVALID_OPERATION is generated if glClearDepth is
    executed between the execution of glBegin and the corresponding
    execution of glEnd.








glGet with argument GL_DEPTH_CLEAR_VALUE








glClear