Specifies whether red has to be written into the frame buffer. The initial values is GL_TRUE, indicating that the color components are written.
Specifies whether green has to be written into the frame buffer. The initial values is GL_TRUE, indicating that the color components are written.
Specifies whether blue has to be written into the frame buffer. The initial values is GL_TRUE, indicating that the color components are written.
Specifies whether alpha has to be written into the frame buffer. The initial values is GL_TRUE, indicating that the color components are written.
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glColorMaskspecify whether the individual color components in the frame buffer can or cannot be written.glColorMasksets the mask for all draw buffers. If red is GL_FALSE, for example, no change is made to the red component of any pixel in any of the color buffers, regardless of the drawing operation attempted.Changes to individual bits of components cannot be controlled. Rather, changes are either enabled or disabled for entire color components.