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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

05/02/2014 opengl.org