Copy state from src rendering context to glcontext. mask contains the bitwise-OR of the same symbolic names that are passed to the glPushAttrib() function. You can use GL_ALL_ATTRIB_BITS to copy all the rendering state information.
the source context.
which portions of src state are to be copied to glcontext.
FALSE if it fails, TRUE otherwise.
See Implementation
Copy state from src rendering context to glcontext. mask contains the bitwise-OR of the same symbolic names that are passed to the glPushAttrib() function. You can use GL_ALL_ATTRIB_BITS to copy all the rendering state information.