opencl_utils.cpp File Reference

#include <opencl_utils.h>
#include <fstream>
#include <vector>
#include <string.h>
#include <iostream>
#include <algorithm>
#include <stdarg.h>
#include <stdlib.h>

Include dependency graph for opencl_utils.cpp:

Go to the source code of this file.

Defines
#define	HDASHLINE   "-----------------------------------------------------------\n"
Functions
const char *	oclErrorString (cl_int error)
char *	oclFindFilePath (const char *filename, const char *executable_path)
cl_device_id	oclGetFirstDev (cl_context cxGPUContext)
cl_context	oclGetGlobalContext ()
cl_command_queue	oclGetGlobalQueue ()
cl_int	oclGetPlatformID (cl_platform_id *clSelectedPlatformID)
void	oclGetProgBinary (cl_program cpProgram, cl_device_id cdDevice, char **binary, size_t *length)
void	oclInit ()
char *	oclLoadProgSource (const char *cFilename, const char *cPreamble, size_t *szFinalLength)
void	oclLogBuildInfo (cl_program cpProgram, cl_device_id cdDevice)
void	oclLogPtx (cl_program cpProgram, cl_device_id cdDevice, const char *cPtxFileName)
void	oclShutdown (cl_context clContext, cl_command_queue clQueue)
Variables
cl_context	g_clDeviceContext
cl_command_queue	g_clDeviceQueue

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Define Documentation

#define HDASHLINE   "-----------------------------------------------------------\n"

Definition at line 3 of file opencl_utils.cpp.

---

Function Documentation

const char* oclErrorString

(

cl_int

error

)

Definition at line 346 of file opencl_utils.cpp.

char* oclFindFilePath	(	const char *	filename,
		const char *	executable_path
	)

Definition at line 421 of file opencl_utils.cpp.

cl_device_id oclGetFirstDev

(

cl_context

cxGPUContext

)

Get the first device associated with the given context

Returns:

the first device id associated with the context

Parameters:

cxGPUContext

the context with which the device is associated

Definition at line 96 of file opencl_utils.cpp.

cl_context oclGetGlobalContext

(

)

Definition at line 16 of file opencl_utils.cpp.

cl_command_queue oclGetGlobalQueue

(

)

Definition at line 20 of file opencl_utils.cpp.

cl_int oclGetPlatformID

(

cl_platform_id *

clSelectedPlatformID

)

Gets the platform ID for NVIDIA if available, otherwise default

Returns:

the id

Parameters:

clSelectedPlatformID

OpenCL platoform ID

Definition at line 30 of file opencl_utils.cpp.

void oclGetProgBinary	(	cl_program	cpProgram,
		cl_device_id	cdDevice,
		char **	binary,
		size_t *	length
	)

Get the binary (PTX) of the program associated with the device

Parameters:

cpProgram	OpenCL program
cdDevice	device of interest
binary	returned code
length	length of returned code

Definition at line 211 of file opencl_utils.cpp.

void oclInit

(

)

Initializes the global context and command queue

Definition at line 116 of file opencl_utils.cpp.

char* oclLoadProgSource	(	const char *	cFilename,
		const char *	cPreamble,
		size_t *	szFinalLength
	)

Loads a Program file and prepends the cPreamble to the code.

Returns:

the source string if succeeded, 0 otherwise

Parameters:

cFilename	program filename
cPreamble	code that is prepended to the loaded file, typically a set of #defines or a header
szFinalLength	returned length of the code string

Definition at line 155 of file opencl_utils.cpp.

void oclLogBuildInfo	(	cl_program	cpProgram,
		cl_device_id	cdDevice
	)

Get and log the binary (PTX) from the OpenCL compiler for the requested program & device

Parameters:

cpProgram	OpenCL program
cdDevice	device of interest

Definition at line 328 of file opencl_utils.cpp.

void oclLogPtx	(	cl_program	cpProgram,
		cl_device_id	cdDevice,
		const char *	cPtxFileName
	)

Get and log the binary (PTX) from the OpenCL compiler for the requested program & device

Parameters:

cpProgram	OpenCL program
cdDevice	device of interest
const	char* cPtxFileName optional PTX file name

Definition at line 259 of file opencl_utils.cpp.

void oclShutdown	(	cl_context	clContext,
		cl_command_queue	clQueue
	)

Releases the global context and command queue

Parameters:

clContext	the context to release
clQueue	the command queue to release

Definition at line 140 of file opencl_utils.cpp.

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Variable Documentation

cl_context g_clDeviceContext

Definition at line 13 of file opencl_utils.cpp.

cl_command_queue g_clDeviceQueue

Definition at line 14 of file opencl_utils.cpp.