diff options
Diffstat (limited to 'boost/compute/command_queue.hpp')
| -rw-r--r-- | boost/compute/command_queue.hpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/boost/compute/command_queue.hpp b/boost/compute/command_queue.hpp index d9e81e0bd4..99cdc9b45b 100644 --- a/boost/compute/command_queue.hpp +++ b/boost/compute/command_queue.hpp @@ -97,6 +97,13 @@ public: #endif }; + #ifdef BOOST_COMPUTE_CL_VERSION_1_2 + enum mem_migration_flags { + migrate_to_host = CL_MIGRATE_MEM_OBJECT_HOST, + migrate_content_undefined = CL_MIGRATE_MEM_OBJECT_CONTENT_UNDEFINED + }; + #endif // BOOST_COMPUTE_CL_VERSION_1_2 + /// Creates a null command queue. command_queue() : m_queue(0) @@ -253,6 +260,35 @@ public: return get_info<cl_command_queue_properties>(CL_QUEUE_PROPERTIES); } + #if defined(BOOST_COMPUTE_CL_VERSION_2_1) || defined(BOOST_COMPUTE_DOXYGEN_INVOKED) + /// Returns the current default device command queue for the underlying device. + /// + /// \opencl_version_warning{2,1} + command_queue get_default_device_queue() const + { + return command_queue(get_info<cl_command_queue>(CL_QUEUE_DEVICE_DEFAULT)); + } + + /// Replaces the default device command queue for the underlying device + /// with this command queue. Command queue must have been created + /// with CL_QUEUE_ON_DEVICE flag. + /// + /// \see_opencl21_ref{clSetDefaultDeviceCommandQueue} + /// + /// \opencl_version_warning{2,1} + void set_as_default_device_queue() const + { + cl_int ret = clSetDefaultDeviceCommandQueue( + this->get_context().get(), + this->get_device().get(), + m_queue + ); + if(ret != CL_SUCCESS){ + BOOST_THROW_EXCEPTION(opencl_error(ret)); + } + } + #endif // BOOST_COMPUTE_CL_VERSION_2_1 + /// Enqueues a command to read data from \p buffer to host memory. /// /// \see_opencl_ref{clEnqueueReadBuffer} @@ -1810,6 +1846,80 @@ public: } #endif // BOOST_COMPUTE_CL_VERSION_2_0 + #if defined(BOOST_COMPUTE_CL_VERSION_2_1) || defined(BOOST_COMPUTE_DOXYGEN_INVOKED) + /// Enqueues a command to indicate which device a set of ranges of SVM allocations + /// should be associated with. The pair \p svm_ptrs[i] and \p sizes[i] together define + /// the starting address and number of bytes in a range to be migrated. + /// + /// If \p sizes is empty, then that means every allocation containing any \p svm_ptrs[i] + /// is to be migrated. Also, if \p sizes[i] is zero, then the entire allocation containing + /// \p svm_ptrs[i] is migrated. + /// + /// \opencl_version_warning{2,1} + /// + /// \see_opencl21_ref{clEnqueueSVMMigrateMem} + event enqueue_svm_migrate_memory(const std::vector<const void*> &svm_ptrs, + const std::vector<size_t> &sizes, + const cl_mem_migration_flags flags = 0, + const wait_list &events = wait_list()) + { + BOOST_ASSERT(svm_ptrs.size() == sizes.size() || sizes.size() == 0); + event event_; + + cl_int ret = clEnqueueSVMMigrateMem( + m_queue, + static_cast<cl_uint>(svm_ptrs.size()), + const_cast<void const **>(&svm_ptrs[0]), + sizes.size() > 0 ? &sizes[0] : NULL, + flags, + events.size(), + events.get_event_ptr(), + &event_.get() + ); + + if(ret != CL_SUCCESS){ + BOOST_THROW_EXCEPTION(opencl_error(ret)); + } + + return event_; + } + + /// Enqueues a command to indicate which device a range of SVM allocation + /// should be associated with. The pair \p svm_ptr and \p size together define + /// the starting address and number of bytes in a range to be migrated. + /// + /// If \p size is 0, then the entire allocation containing \p svm_ptr is + /// migrated. The default value for \p size is 0. + /// + /// \opencl_version_warning{2,1} + /// + /// \see_opencl21_ref{clEnqueueSVMMigrateMem} + event enqueue_svm_migrate_memory(const void* svm_ptr, + const size_t size = 0, + const cl_mem_migration_flags flags = 0, + const wait_list &events = wait_list()) + { + event event_; + + cl_int ret = clEnqueueSVMMigrateMem( + m_queue, + cl_uint(1), + &svm_ptr, + &size, + flags, + events.size(), + events.get_event_ptr(), + &event_.get() + ); + + if(ret != CL_SUCCESS){ + BOOST_THROW_EXCEPTION(opencl_error(ret)); + } + + return event_; + } + #endif // BOOST_COMPUTE_CL_VERSION_2_1 + /// Returns \c true if the command queue is the same at \p other. bool operator==(const command_queue &other) const { @@ -1886,6 +1996,12 @@ BOOST_COMPUTE_DETAIL_DEFINE_GET_INFO_SPECIALIZATIONS(command_queue, ((cl_command_queue_properties, CL_QUEUE_PROPERTIES)) ) +#ifdef BOOST_COMPUTE_CL_VERSION_2_1 +BOOST_COMPUTE_DETAIL_DEFINE_GET_INFO_SPECIALIZATIONS(command_queue, + ((cl_command_queue, CL_QUEUE_DEVICE_DEFAULT)) +) +#endif // BOOST_COMPUTE_CL_VERSION_2_1 + } // end compute namespace } // end boost namespace |