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glBlendColor.3gl
Langue: en
Version: 47365 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
NAME
glBlendColor - set the blend colorC SPECIFICATION
void glBlendColor( GLclampf red,GLclampf green, GLclampf blue, GLclampf alpha )
delim $$
PARAMETERS
- red, green, blue, alpha
- specify the components of GL_BLEND_COLOR
DESCRIPTION
The GL_BLEND_COLOR may be used to calculate the source and destination blending factors. The color components are clamped to the range [0, 1] before being stored. See glBlendFunc for a complete description of the blending operations. Initially the GL_BLEND_COLOR is set to (0, 0, 0, 0).NOTES
glBlendColor is part of the GL_ARB_imaging subset. glBlendColor is present only if GL_ARB_imaging is returned when glGetString is called with GL_EXTENSIONS as its argument.ERRORS
GL_INVALID_OPERATION is generated if glBlendColor is executed between the execution of glBegin and the corresponding execution of glEnd.ASSOCIATED GETS
glGet with an argument of GL_BLEND_COLORSEE ALSO
glBlendEquation(3G), glBlendFunc(3G), glGetString(3G)Contenus ©2006-2024 Benjamin Poulain
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