Интерактивная система просмотра системных руководств (man-ов)
glClearAccum (3)
>> glClearAccum (3) ( Разные man: Библиотечные вызовы )
NAME
glClearAccum
- specify clear values for the accumulation buffer
C SPECIFICATION
void glClearAccum(
GLfloat red,
GLfloat green,
GLfloat blue,
GLfloat alpha )
PARAMETERS
red, green, blue, alpha
Specify the red, green, blue, and alpha values used when the
accumulation buffer is cleared.
The initial values are all 0.
DESCRIPTION
glClearAccum 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].
ERRORS
GL_INVALID_OPERATION is generated if glClearAccum
is executed between the execution of glBegin
and the corresponding execution of glEnd.