glClearAccum : PyOpenGL 3.0.1b2 GL Man Pages

specify clear values for the accumulation buffer

Deprecation Notice

Note that this function has been marked deprecated in the OpenGL 3.0 specification. You should not be using this function in new code, though it will likely be supported by most implementations via the GL_ARB_compatibility extension. For more information on OpenGL 3.x deprecations, see the deprecations page.

Signature

glClearAccum( GLfloat ( red ) , GLfloat ( green ) , GLfloat ( blue ) , GLfloat ( alpha ) )-> void

glClearAccum( red , green , blue , alpha )

glClearAccum( GLfloat(red), GLfloat(green), GLfloat(blue), GLfloat(alpha) ) -> None

Parameters

Variables	Description
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 .

Associated Gets

glGet with argument GL_ACCUM_CLEAR_VALUE

Copyright

1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/ .

glClearAccum