GLCLAMPCOLOR man page on RedHat
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GLCLAMPCOLOR(3G) OpenGL Manual GLCLAMPCOLOR(3G)
NAME
glClampColor - specify whether data read via glReadPixels() should be
clamped
C SPECIFICATION
void glClampColor(GLenum target, GLenum clamp);
PARAMETERS
target
Target for color clamping. target must be GL_CLAMP_READ_COLOR.
clamp
Specifies whether to apply color clamping. clamp must be GL_TRUE
or GL_FALSE.
DESCRIPTION
glClampColor controls color clamping that is performed during
glReadPixels(). target must be GL_CLAMP_READ_COLOR. If clamp is
GL_TRUE, read color clamping is enabled; if clamp is GL_FALSE, read
color clamping is disabled. If clamp is GL_FIXED_ONLY, read color
clamping is enabled only if the selected read buffer has fixed point
components and disabled otherwise.
ERRORS
GL_INVALID_ENUM is generated if target is not GL_CLAMP_READ_COLOR.
GL_INVALID_ENUM is generated if clamp is not GL_TRUE or GL_FALSE.
ASSOCIATED GETS
glGet() with argument GL_CLAMP_READ_COLOR.
COPYRIGHT
Copyright © 2010 Khronos Group. This material may be distributed
subject to the terms and conditions set forth in the Open Publication
License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.
AUTHORS
opengl.org
opengl.org 03/16/2013 GLCLAMPCOLOR(3G)
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