: Specifies the depth value used when the depth buffer is cleared. The initial value is 1.
{{PageDescription}}
'''_glClearDepth''' specifies the depth value used by {{KW|_glClear}} to clear the depth buffer. Values specified by '''_glClearDepth''' are clamped to the range [0, 1].
{{PageNotes}}
The type of the {{Parameter|depth}} parameter was changed from GLclampf to GLfloat for '''_glClearDepthf''' and from GLclampd to GLdouble for '''_glClearDepth'''. This change is transparent to user code.
{{PageUseWith}}
{{KW|_glGet}} with argument {{KW|_GL_DEPTH_CLEAR_VALUE}}