glClearAccum
[New
- Windows 95, OEM Service Release 2]
The glClearAccum
function clears values for the accumulation buffer.
void glClearAccum(
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GLfloat red, |
|
|
GLfloat green, |
|
|
GLfloat blue, |
|
|
GLfloat alpha |
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); |
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Parameters
red,
green, blue, alpha
The red,
green, blue, and alpha values used when the accumulation buffer is cleared. The
default values are all zero.
Remarks
The glClearAccum
function specifies the red, green, blue, and alpha values used by glClear
to clear the accumulation buffer.
Values
specified by glClearAccum are clamped to the range [ - 1,1].
The following
function retrieves information related to glClearAccum:
glGet with
argument GL_ACCUM_CLEAR_VALUE
Error Codes
The following
are the error codes generated and their conditions.
|
Error
Code |
Condition |
|
GL_INVALID_OPERATION
|
glClearAccum was called between a call to glBegin and the
corresponding call to glEnd |
See Also