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/usr/include/boost/compute

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algorithm/	-	0755	rm
allocator/	-	0755	rm
async/	-	0755	rm
container/	-	0755	rm
detail/	-	0755	rm
exception/	-	0755	rm
experimental/	-	0755	rm
functional/	-	0755	rm
image/	-	0755	rm
interop/	-	0755	rm
iterator/	-	0755	rm
lambda/	-	0755	rm
memory/	-	0755	rm
random/	-	0755	rm
types/	-	0755	rm
type_traits/	-	0755	rm
utility/	-	0755	rm
algorithm.hpp	4399	0644	edit dl rm
allocator.hpp	748	0644	edit dl rm
async.hpp	703	0644	edit dl rm
buffer.hpp	6783	0644	edit dl rm
cl.hpp	1625	0644	edit dl rm
closure.hpp	10111	0644	edit dl rm
cl_ext.hpp	664	0644	edit dl rm
command_queue.hpp	62500	0644	edit dl rm
config.hpp	2359	0644	edit dl rm
container.hpp	1021	0644	edit dl rm
context.hpp	6594	0644	edit dl rm
core.hpp	1141	0644	edit dl rm
device.hpp	21203	0644	edit dl rm
event.hpp	10280	0644	edit dl rm
exception.hpp	858	0644	edit dl rm
function.hpp	12138	0644	edit dl rm
functional.hpp	1343	0644	edit dl rm
image.hpp	894	0644	edit dl rm
image2d.hpp	549	0644	edit dl rm
image3d.hpp	549	0644	edit dl rm
image_format.hpp	559	0644	edit dl rm
image_sampler.hpp	561	0644	edit dl rm
iterator.hpp	1140	0644	edit dl rm
kernel.hpp	17580	0644	edit dl rm
lambda.hpp	862	0644	edit dl rm
memory.hpp	717	0644	edit dl rm
memory_object.hpp	6994	0644	edit dl rm
pipe.hpp	4008	0644	edit dl rm
platform.hpp	7420	0644	edit dl rm
program.hpp	25342	0644	edit dl rm
random.hpp	1148	0644	edit dl rm
source.hpp	551	0644	edit dl rm
svm.hpp	1969	0644	edit dl rm
system.hpp	9388	0644	edit dl rm
types.hpp	870	0644	edit dl rm
type_traits.hpp	1106	0644	edit dl rm
user_event.hpp	2414	0644	edit dl rm
utility.hpp	823	0644	edit dl rm
version.hpp	665	0644	edit dl rm
wait_list.hpp	557	0644	edit dl rm

Edit: /usr/include/boost/compute/memory_object.hpp (6994B)

//---------------------------------------------------------------------------//
// Copyright (c) 2013 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_MEMORY_OBJECT_HPP
#define BOOST_COMPUTE_MEMORY_OBJECT_HPP

#include <boost/compute/config.hpp>
#include <boost/compute/context.hpp>
#include <boost/compute/kernel.hpp>
#include <boost/compute/detail/get_object_info.hpp>
#include <boost/compute/detail/assert_cl_success.hpp>

namespace boost {
namespace compute {

/// \class memory_object
/// \brief Base-class for memory objects.
///
/// The memory_object class is the base-class for memory objects on
/// compute devices.
///
/// \see buffer, vector
class memory_object
{
public:
    /// Flags for the creation of memory objects.
    enum mem_flags {
        read_write = CL_MEM_READ_WRITE,
        read_only = CL_MEM_READ_ONLY,
        write_only = CL_MEM_WRITE_ONLY,
        use_host_ptr = CL_MEM_USE_HOST_PTR,
        alloc_host_ptr = CL_MEM_ALLOC_HOST_PTR,
        copy_host_ptr = CL_MEM_COPY_HOST_PTR
        #ifdef BOOST_COMPUTE_CL_VERSION_1_2
        ,
        host_write_only = CL_MEM_HOST_WRITE_ONLY,
        host_read_only = CL_MEM_HOST_READ_ONLY,
        host_no_access = CL_MEM_HOST_NO_ACCESS
        #endif
    };

/// Symbolic names for the OpenCL address spaces.
    enum address_space {
        global_memory,
        local_memory,
        private_memory,
        constant_memory
    };

/// Returns the underlying OpenCL memory object.
    cl_mem& get() const
    {
        return const_cast<cl_mem &>(m_mem);
    }

/// Returns the size of the memory object in bytes.
    size_t get_memory_size() const
    {
        return get_memory_info<size_t>(CL_MEM_SIZE);
    }

/// Returns the type for the memory object.
    cl_mem_object_type get_memory_type() const
    {
        return get_memory_info<cl_mem_object_type>(CL_MEM_TYPE);
    }

/// Returns the flags for the memory object.
    cl_mem_flags get_memory_flags() const
    {
        return get_memory_info<cl_mem_flags>(CL_MEM_FLAGS);
    }

/// Returns the context for the memory object.
    context get_context() const
    {
        return context(get_memory_info<cl_context>(CL_MEM_CONTEXT));
    }

/// Returns the host pointer associated with the memory object.
    void* get_host_ptr() const
    {
        return get_memory_info<void *>(CL_MEM_HOST_PTR);
    }

/// Returns the reference count for the memory object.
    uint_ reference_count() const
    {
        return get_memory_info<uint_>(CL_MEM_REFERENCE_COUNT);
    }

/// Returns information about the memory object.
    ///
    /// \see_opencl_ref{clGetMemObjectInfo}
    template<class T>
    T get_memory_info(cl_mem_info info) const
    {
        return detail::get_object_info<T>(clGetMemObjectInfo, m_mem, info);
    }

#if defined(BOOST_COMPUTE_CL_VERSION_1_1) || defined(BOOST_COMPUTE_DOXYGEN_INVOKED)
    /// Registers a function to be called when the memory object is deleted
    /// and its resources freed.
    ///
    /// \see_opencl_ref{clSetMemObjectDestructorCallback}
    ///
    /// \opencl_version_warning{1,1}
    void set_destructor_callback(void (BOOST_COMPUTE_CL_CALLBACK *callback)(
                                     cl_mem memobj, void *user_data
                                 ),
                                 void *user_data = 0)
    {
        cl_int ret = clSetMemObjectDestructorCallback(m_mem, callback, user_data);
        if(ret != CL_SUCCESS){
            BOOST_THROW_EXCEPTION(opencl_error(ret));
        }
    }
    /// Registers a function to be called when the memory object is deleted
    /// and its resources freed.
    ///
    /// The function specified by \p callback must be invokable with zero
    /// arguments (e.g. \c callback()).
    ///
    /// \opencl_version_warning{1,1}
    template<class Function>
    void set_destructor_callback(Function callback)
    {
        set_destructor_callback(
            destructor_callback_invoker,
            new boost::function<void()>(callback)
        );
    }
    #endif // BOOST_COMPUTE_CL_VERSION_1_1

/// Returns \c true if the memory object is the same as \p other.
    bool operator==(const memory_object &other) const
    {
        return m_mem == other.m_mem;
    }

/// Returns \c true if the memory object is different from \p other.
    bool operator!=(const memory_object &other) const
    {
        return m_mem != other.m_mem;
    }

private:
    #ifdef BOOST_COMPUTE_CL_VERSION_1_1
    /// \internal_
    static void BOOST_COMPUTE_CL_CALLBACK
    destructor_callback_invoker(cl_mem, void *user_data)
    {
        boost::function<void()> *callback =
            static_cast<boost::function<void()> *>(user_data);

(*callback)();

delete callback;
    }
    #endif // BOOST_COMPUTE_CL_VERSION_1_1

protected:
    /// \internal_
    memory_object()
        : m_mem(0)
    {
    }

/// \internal_
    explicit memory_object(cl_mem mem, bool retain = true)
        : m_mem(mem)
    {
        if(m_mem && retain){
            clRetainMemObject(m_mem);
        }
    }

/// \internal_
    memory_object(const memory_object &other)
        : m_mem(other.m_mem)
    {
        if(m_mem){
            clRetainMemObject(m_mem);
        }
    }

/// \internal_
    memory_object& operator=(const memory_object &other)
    {
        if(this != &other){
            if(m_mem){
                clReleaseMemObject(m_mem);
            }

m_mem = other.m_mem;

if(m_mem){
                clRetainMemObject(m_mem);
            }
        }

return *this;
    }

#ifndef BOOST_COMPUTE_NO_RVALUE_REFERENCES
    /// \internal_
    memory_object(memory_object&& other) BOOST_NOEXCEPT
        : m_mem(other.m_mem)
    {
        other.m_mem = 0;
    }

/// \internal_
    memory_object& operator=(memory_object&& other) BOOST_NOEXCEPT
    {
        if(m_mem){
            clReleaseMemObject(m_mem);
        }

m_mem = other.m_mem;
        other.m_mem = 0;

return *this;
    }
    #endif // BOOST_COMPUTE_NO_RVALUE_REFERENCES

/// \internal_
    ~memory_object()
    {
        if(m_mem){
            BOOST_COMPUTE_ASSERT_CL_SUCCESS(
                clReleaseMemObject(m_mem)
            );
        }
    }

protected:
    cl_mem m_mem;
};

namespace detail {

// set_kernel_arg specialization for memory_object
template<>
struct set_kernel_arg<memory_object>
{
    void operator()(kernel &kernel_, size_t index, const memory_object &mem)
    {
        kernel_.set_arg(index, mem.get());
    }
};

} // end detail namespace
} // end compute namespace
} // end boost namespace

#endif // BOOST_COMPUTE_MEMORY_OBJECT_HPP

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