54 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			54 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | //---------------------------------------------------------------------------// | ||
|  | // Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com> | ||
|  | // | ||
|  | // Distributed under the Boost Software License, Version 1.0 | ||
|  | // See accompanying file LICENSE_1_0.txt or copy at | ||
|  | // http://www.boost.org/LICENSE_1_0.txt | ||
|  | // | ||
|  | // See http://boostorg.github.com/compute for more information. | ||
|  | //---------------------------------------------------------------------------// | ||
|  | 
 | ||
|  | #ifndef BOOST_COMPUTE_ALLOCATOR_PINNED_ALLOCATOR_HPP | ||
|  | #define BOOST_COMPUTE_ALLOCATOR_PINNED_ALLOCATOR_HPP | ||
|  | 
 | ||
|  | #include <boost/compute/allocator/buffer_allocator.hpp> | ||
|  | 
 | ||
|  | namespace boost { | ||
|  | namespace compute { | ||
|  | 
 | ||
|  | template<class T> | ||
|  | class pinned_allocator : public buffer_allocator<T> | ||
|  | { | ||
|  | public: | ||
|  |     explicit pinned_allocator(const context &context) | ||
|  |         : buffer_allocator<T>(context) | ||
|  |     { | ||
|  |         buffer_allocator<T>::set_mem_flags( | ||
|  |             buffer::read_write | buffer::alloc_host_ptr | ||
|  |         ); | ||
|  |     } | ||
|  | 
 | ||
|  |     pinned_allocator(const pinned_allocator<T> &other) | ||
|  |         : buffer_allocator<T>(other) | ||
|  |     { | ||
|  |     } | ||
|  | 
 | ||
|  |     pinned_allocator<T>& operator=(const pinned_allocator<T> &other) | ||
|  |     { | ||
|  |         if(this != &other){ | ||
|  |             buffer_allocator<T>::operator=(other); | ||
|  |         } | ||
|  | 
 | ||
|  |         return *this; | ||
|  |     } | ||
|  | 
 | ||
|  |     ~pinned_allocator() | ||
|  |     { | ||
|  |     } | ||
|  | }; | ||
|  | 
 | ||
|  | } // end compute namespace | ||
|  | } // end boost namespace | ||
|  | 
 | ||
|  | #endif // BOOST_COMPUTE_ALLOCATOR_PINNED_ALLOCATOR_HPP |