func ClearBufferSubData(target uint32, internalformat uint32, offset int, size int, format uint32, xtype uint32, data unsafe.Pointer) {
	syscall.Syscall9(gpClearBufferSubData, 7, uintptr(target), uintptr(internalformat), uintptr(offset), uintptr(size), uintptr(format), uintptr(xtype), uintptr(data), 0, 0)
}
func ClearBufferSubData(target uint32, internalformat uint32, offset int, size int, format uint32, xtype uint32, data unsafe.Pointer) {
	syscall.Syscall9(gpClearBufferSubData, 7, uintptr(target), uintptr(internalformat), uintptr(offset), uintptr(size), uintptr(format), uintptr(xtype), uintptr(data), 0, 0)
}
func ClearBufferSubData ( target uint32 , internalformat uint32 , offset int , size int , format uint32 , xtype uint32 , data unsafe . Pointer ) { syscall . Syscall9 ( gpClearBufferSubData , 7 , uintptr ( target ) , uintptr ( internalformat ) , uintptr ( offset ) , uintptr ( size ) , uintptr ( format ) , uintptr ( xtype ) , uintptr ( data ) , 0 , 0 ) }
// fill all or part of buffer object's data store with a fixed value
fill all or part of buffer object s data store with a fixed value