/data/development/ViennaCL/dev/viennacl/ocl/backend.hpp File Reference

Implementations of the OpenCL backend, where all contexts are stored in. More...

#include <vector>
#include "viennacl/ocl/context.hpp"
#include "viennacl/ocl/enqueue.hpp"

Go to the source code of this file.

Data Structures
class	backend< dummy >
	A backend that provides contexts for ViennaCL objects (vector, matrix, etc.). More...
Namespaces
namespace	viennacl
namespace	viennacl::ocl
Functions
viennacl::ocl::context &	current_context ()
	Convenience function for returning the current context.
void	switch_context (long i)
	Convenience function for switching the current context.
void	setup_context (long i, std::vector< cl_device_id > const &devices)
	Convenience function for setting devices for a context.
void	setup_context (long i, cl_context c, std::vector< cl_device_id > const &devices, std::map< cl_device_id, std::vector< cl_command_queue > > const &queues)
	Convenience function for setting up a context in ViennaCL from an existing OpenCL context.
void	setup_context (long i, cl_context c, std::vector< cl_device_id > const &devices, std::vector< cl_command_queue > const &queues)
	Convenience function for setting up a context in ViennaCL from an existing OpenCL context.
void	setup_context (long i, cl_context c, cl_device_id d, cl_command_queue q)
	Convenience function for setting up a context in ViennaCL from an existing OpenCL context.
void	set_context_device_type (long i, cl_device_type dev_type)
	Convenience function for setting the default device type for a context.
void	set_context_device_type (long i, viennacl::ocl::gpu_tag)
	Convenience function for setting the default device type for a context to GPUs.
void	set_context_device_type (long i, viennacl::ocl::cpu_tag)
	Convenience function for setting the default device type for a context to CPUs.
void	set_context_device_type (long i, viennacl::ocl::default_tag)
	Convenience function for setting the default device type for a context to the default OpenCL device type.
void	set_context_device_type (long i, viennacl::ocl::accelerator_tag)
	Convenience function for setting the default device type for a context to accelerators.
viennacl::ocl::command_queue &	get_queue ()
	Convenience function for getting the default queue for the currently active device in the active context.
viennacl::ocl::command_queue &	get_queue (viennacl::ocl::device d, unsigned int queue_id=0)
	Convenience function for getting the queue for a particular device in the current active context.
viennacl::ocl::command_queue &	get_queue (cl_device_id dev_id, unsigned int queue_id=0)
	Convenience function for getting the queue for a particular device in the current active context.
viennacl::ocl::kernel &	get_kernel (std::string const &prog_name, std::string const &kernel_name)
	Convenience function for getting the kernel for a particular program from the current active context.
void	switch_device (viennacl::ocl::device &d)
	Convenience function for switching the active device in the current context.
viennacl::ocl::device const &	current_device ()
	Convenience function for returning the active device in the current context.

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Detailed Description

Implementations of the OpenCL backend, where all contexts are stored in.