HP Workstation zx2000 OpenGL 1.1 Reference for HP-UX 11.x - Page 53
glClearColor
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C glClearColor glClearColor 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 initial values are all 0. 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 executed between the execution of glBegin and the corresponding execution of glEnd. Associated Gets glGet with argument GL_COLOR_CLEAR_VALUE See Also glClear Chapter 3 53
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 |
C
glClearColor
Chapter 3
53
glClearColor
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 initial values are all 0.
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 executed between the
execution of glBegin and the corresponding execution of glEnd.
Associated Gets
glGet with argument GL_COLOR_CLEAR_VALUE
See Also
glClear