java.lang.Object
- com.jogamp.opencl.CLObject
- - com.jogamp.opencl.CLKernel

All Implemented Interfaces:

AutoCloseable, CLResource, AutoCloseable, Cloneable
```
public class CLKernel
extends CLObject
implements Cloneable
```
High level abstraction for an OpenCL Kernel. A kernel is a function declared in a program. A kernel is identified by the kernel qualifier applied to any function in a program. A kernel object encapsulates the specific kernel function declared in a program and the argument values to be used when executing this kernel function. CLKernel is not threadsafe.

Author:

Michael Bien, et al.

See Also:

CLProgram.createCLKernel(java.lang.String), CLProgram.createCLKernels()

Field Summary

Fields
Modifier and Type Field Description

String name

int numArgs
- Fields inherited from class com.jogamp.opencl.CLObject
  context, ID

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`CLKernel`	`clone()`	Returns a new instance of this kernel with uninitialized arguments.
`void`	`close()`	Deprecated. This method is not intended to be called from client code.
`boolean`	`equals(Object obj)`
`long[]`	`getCompileWorkGroupSize(CLDevice device)`	Returns the work-group size specified by the `__attribute__((reqd_work_group_size(X, Y, Z)))` qualifier in kernel sources.
`long`	`getLocalMemorySize(CLDevice device)`	Returns the amount of local memory in bytes being used by a kernel.
`long`	`getPreferredWorkGroupSizeMultiple(CLDevice device)`	Returns the preferred multiple of workgroup size to use for kernel launch.
`long`	`getPrivateMemSize(CLDevice device)`	Returns the number of bytes of private memory used by each work item in the kernel.
`CLProgram`	`getProgram()`
`long`	`getWorkGroupSize(CLDevice device)`	Returns the work group size for this kernel on the given device.
`int`	`hashCode()`
`boolean`	`isForce32BitArgsEnabled()`
`boolean`	`isReleased()`	Returns true if `CLResource.release()` has been called.
`int`	`position()`	Returns the argument index used in the relative putArt(...) methods.
`CLKernel`	`putArg(double value)`
`CLKernel`	`putArg(float value)`
`CLKernel`	`putArg(int value)`
`CLKernel`	`putArg(long value)`
`CLKernel`	`putArg(short value)`
`CLKernel`	`putArg(CLMemory<?> value)`
`CLKernel`	`putArgs(CLMemory<?>... values)`
`CLKernel`	`putNullArg(int size)`
`void`	`release()`	Releases all resources of this kernel from its context.
`CLKernel`	`rewind()`	Resets the argument index to 0.
`CLKernel`	`setArg(int argumentIndex, double value)`
`CLKernel`	`setArg(int argumentIndex, float value)`
`CLKernel`	`setArg(int argumentIndex, int value)`
`CLKernel`	`setArg(int argumentIndex, long value)`
`CLKernel`	`setArg(int argumentIndex, short value)`
`CLKernel`	`setArg(int argumentIndex, CLMemory<?> value)`
`CLKernel`	`setArgs(CLMemory<?>... values)`
`CLKernel`	`setArgs(Object... values)`
`CLKernel`	`setForce32BitArgs(boolean force)`	Forces double and long arguments to be passed as float and int to the OpenCL kernel.
`CLKernel`	`setNullArg(int argumentIndex, int size)`
`String`	`toString()`

Methods inherited from class com.jogamp.opencl.CLObject
getContext, getID, getPlatform

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - name
```
public final String name
```
  - numArgs
```
public final int numArgs
```
- Method Detail
  - putArg
```
public CLKernel putArg(CLMemory<?> value)
```
  - putArg
```
public CLKernel putArg(short value)
```
  - putArg
```
public CLKernel putArg(int value)
```
  - putArg
```
public CLKernel putArg(long value)
```
  - putArg
```
public CLKernel putArg(float value)
```
  - putArg
```
public CLKernel putArg(double value)
```
  - putNullArg
```
public CLKernel putNullArg(int size)
```
  - putArgs
```
public CLKernel putArgs(CLMemory<?>... values)
```
  - rewind
```
public CLKernel rewind()
```
    Resets the argument index to 0.
  - position
```
public int position()
```
    Returns the argument index used in the relative putArt(...) methods.
  - setArg
```
public CLKernel setArg(int argumentIndex,
                       CLMemory<?> value)
```
  - setArg
```
public CLKernel setArg(int argumentIndex,
                       short value)
```
  - setArg
```
public CLKernel setArg(int argumentIndex,
                       int value)
```
  - setArg
```
public CLKernel setArg(int argumentIndex,
                       long value)
```
  - setArg
```
public CLKernel setArg(int argumentIndex,
                       float value)
```
  - setArg
```
public CLKernel setArg(int argumentIndex,
                       double value)
```
  - setNullArg
```
public CLKernel setNullArg(int argumentIndex,
                           int size)
```
  - setArgs
```
public CLKernel setArgs(CLMemory<?>... values)
```
  - setArgs
```
public CLKernel setArgs(Object... values)
```
  - setForce32BitArgs
```
public CLKernel setForce32BitArgs(boolean force)
```
    Forces double and long arguments to be passed as float and int to the OpenCL kernel. This can be used in applications which want to mix kernels with different floating point precision.
  - getProgram
```
public CLProgram getProgram()
```
  - isForce32BitArgsEnabled
```
public boolean isForce32BitArgsEnabled()
```
    See Also:
    
    setForce32BitArgs(boolean)
  - getLocalMemorySize
```
public long getLocalMemorySize(CLDevice device)
```
    Returns the amount of local memory in bytes being used by a kernel. This includes local memory that may be needed by an implementation to execute the kernel, variables declared inside the kernel with the __local address qualifier and local memory to be allocated for arguments to the kernel declared as pointers with the __local address qualifier and whose size is specified with clSetKernelArg. If the local memory size, for any pointer argument to the kernel declared with the __local address qualifier, is not specified, its size is assumed to be 0.
  - getWorkGroupSize
```
public long getWorkGroupSize(CLDevice device)
```
    Returns the work group size for this kernel on the given device. This provides a mechanism for the application to query the work-group size that can be used to execute a kernel on a specific device given by device. The OpenCL implementation uses the resource requirements of the kernel (register usage etc.) to determine what this work-group size should be.
  - getCompileWorkGroupSize
```
public long[] getCompileWorkGroupSize(CLDevice device)
```
    Returns the work-group size specified by the __attribute__((reqd_work_group_size(X, Y, Z))) qualifier in kernel sources. If the work-group size is not specified using the above attribute qualifier new long[]{(0, 0, 0)} is returned. The returned array has always three elements.
  - getPreferredWorkGroupSizeMultiple
```
public long getPreferredWorkGroupSizeMultiple(CLDevice device)
```
    Returns the preferred multiple of workgroup size to use for kernel launch. This is only a performance hint; enqueueing with other sizes will still work, unless the size is more than the maximum allowed.
  - getPrivateMemSize
```
public long getPrivateMemSize(CLDevice device)
```
    Returns the number of bytes of private memory used by each work item in the kernel. This includes private memory declared with the __private qualifier, as well as other private memory used by the implementation.
  - release
```
public void release()
```
    Releases all resources of this kernel from its context.
    
    Specified by:
    
    release in interface CLResource
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class CLObject
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - clone
```
public CLKernel clone()
```
    Returns a new instance of this kernel with uninitialized arguments.
    
    Overrides:
    
    clone in class Object
  - close
```
@Deprecated
public final void close()
```
    Deprecated.
    This method is not intended to be called from client code.
    
    Implementation detail, satisfying AutoCloseable. Might be remove as soon we have extension methods, but shall validate with Java 1.5 specs.
    
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface AutoCloseable
    
    See Also:
    
    AutoCloseable
  - isReleased
```
public boolean isReleased()
```
    Description copied from interface: CLResource
    
    Returns true if CLResource.release() has been called.
    
    Specified by:
    
    isReleased in interface CLResource

Class CLKernel

Field Summary

Fields inherited from class com.jogamp.opencl.CLObject

Method Summary

Methods inherited from class com.jogamp.opencl.CLObject

Methods inherited from class java.lang.Object

Field Detail

name

numArgs

Method Detail

putArg

putArg

putArg

putArg

putArg

putArg

putNullArg

putArgs

rewind

position

setArg

setArg

setArg

setArg

setArg

setArg

setNullArg

setArgs

setArgs

setForce32BitArgs

getProgram

isForce32BitArgsEnabled

getLocalMemorySize

getWorkGroupSize

getCompileWorkGroupSize

getPreferredWorkGroupSizeMultiple

getPrivateMemSize

release

toString

equals

hashCode

clone

close

isReleased