glClearColor — specify clear values for the color buffers
void glClearColor( | GLclampf | red, |
GLclampf | green, | |
GLclampf | blue, | |
GLclampf | alpha) ; |
red
, green
, blue
, alpha
Specify the red, green, blue, and alpha values used when the color buffers are cleared. The initial values are all 0.
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
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