glClearColor

NAME

glClearColor -- specify clear values for the color buffers

C SPECIFICATION

void glClearColor(GLclampf red,
                  GLclampf green,
                  GLclampf blue,
                  GLclampf alpha)

PARAMETERS

red, green, blue, alpha: Specify the red, green, blue, and alpha values used when the color buffers are cleared. The default values are all zero.

DESCRIPTION

glClearColor specifies the red, green, blue, and alpha values used by glClear to clear the color buffers. Values specified by glClearColor are clamped to the range [0, 1].

ERRORS

GL_INVALID_OPERATION is generated if glClearColor is called between a call to glBegin and the corresponding call to glEnd.

ASSOCIATED GETS

glGet with argument GL_COLOR_CLEAR_VALUE