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package com.mbien.opencl;
import java.nio.Buffer;
import static com.mbien.opencl.CL.*;
import static com.mbien.opencl.CLException.*;
/**
*
* @author Michael Bien
*/
public class CLEvent implements CLResource {
public final CLContext context;
public final long ID;
private final CL cl;
private final CLEventInfoAccessor eventInfo;
CLEvent(CLContext context, long id) {
this.context = context;
this.cl = context.cl;
this.ID = id;
this.eventInfo = new CLEventInfoAccessor();
}
public void release() {
int ret = cl.clReleaseEvent(ID);
checkForError(ret, "can not release event");
}
public ExecutionStatus getStatus() {
int status = (int)eventInfo.getLong(CL_EVENT_COMMAND_EXECUTION_STATUS);
return ExecutionStatus.valueOf(status);
}
public CommandType getType() {
int status = (int)eventInfo.getLong(CL_EVENT_COMMAND_TYPE);
return CommandType.valueOf(status);
}
@Override
public String toString() {
return "CLEvent [id: " + ID
+ " name: " + getType()
+ " status: " + getStatus()+"]";
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final CLEvent other = (CLEvent) obj;
if (this.context != other.context && (this.context == null || !this.context.equals(other.context))) {
return false;
}
if (this.ID != other.ID) {
return false;
}
return true;
}
@Override
public int hashCode() {
int hash = 5;
hash = 13 * hash + (this.context != null ? this.context.hashCode() : 0);
hash = 13 * hash + (int) (this.ID ^ (this.ID >>> 32));
return hash;
}
private class CLEventInfoAccessor extends CLInfoAccessor {
@Override
protected int getInfo(int name, long valueSize, Buffer value, long[] valueSizeRet, int valueSizeRetOffset) {
return cl.clGetEventInfo(ID, name, valueSize, value, valueSizeRet, valueSizeRetOffset);
}
}
public enum ExecutionStatus {
/**
* Command has been enqueued in the command-queue.
*/
QUEUED(CL_QUEUED),
/**
* Enqueued command has been submitted by the host to the device
* associated with the command-queue.
*/
SUBMITTED(CL_SUBMITTED),
/**
* Device is currently executing this command.
*/
RUNNING(CL_RUNNING),
/**
* The command has completed.
*/
COMPLETE(CL_COMPLETE);
/**
* Value of wrapped OpenCL command excecution status.
*/
public final int STATUS;
private ExecutionStatus(int status) {
this.STATUS = status;
}
public static ExecutionStatus valueOf(int status) {
switch(status) {
case(CL_QUEUED):
return QUEUED;
case(CL_SUBMITTED):
return SUBMITTED;
case(CL_RUNNING):
return RUNNING;
case(CL_COMPLETE):
return COMPLETE;
}
return null;
}
}
public enum CommandType {
NDRANGE_KERNEL(CL_COMMAND_NDRANGE_KERNEL),
TASK(CL_COMMAND_TASK),
NATIVE_KERNEL(CL_COMMAND_NATIVE_KERNEL),
READ_BUFFER(CL_COMMAND_READ_BUFFER),
WRITE_BUFFER(CL_COMMAND_WRITE_BUFFER),
COPY_BUFFER(CL_COMMAND_COPY_BUFFER),
READ_IMAGE(CL_COMMAND_READ_IMAGE),
WRITE_IMAGE(CL_COMMAND_WRITE_IMAGE),
COPY_IMAGE(CL_COMMAND_COPY_IMAGE),
COPY_BUFFER_TO_IMAGE(CL_COMMAND_COPY_BUFFER_TO_IMAGE),
COPY_IMAGE_TO_BUFFER(CL_COMMAND_COPY_IMAGE_TO_BUFFER),
MAP_BUFFER(CL_COMMAND_MAP_BUFFER),
MAP_IMAGE(CL_COMMAND_MAP_IMAGE),
UNMAP_MEM_OBJECT(CL_COMMAND_UNMAP_MEM_OBJECT),
MARKER(CL_COMMAND_MARKER),
ACQUIRE_GL_OBJECTS(CL_COMMAND_ACQUIRE_GL_OBJECTS),
RELEASE_GL_OBJECTS(CL_COMMAND_RELEASE_GL_OBJECTS);
/**
* Value of wrapped OpenCL command type.
*/
public final int TYPE;
private CommandType(int type) {
this.TYPE = type;
}
public static CommandType valueOf(int commandType) {
CommandType[] values = CommandType.values();
for (CommandType value : values) {
if(value.TYPE == commandType)
return value;
}
return null;
}
}
}
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