lwjgl/src/java/org/lwjgl/opencl/CLDeviceImpl.java

104 lines
3.4 KiB
Java

/*
* Copyright (c) 2002-2010 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl.opencl;
import org.lwjgl.PointerBuffer;
import java.nio.ByteBuffer;
import static org.lwjgl.opencl.CL10.*;
/**
* Implementation of CLDevice helper methods.
*
* @author Spasi
*/
final class CLDeviceImpl implements CLDevice.CLDeviceImpl {
CLDeviceImpl() {
}
static CLDeviceCapabilities getCapabilities(final CLDevice device) {
device.checkValid();
CLDeviceCapabilities caps = (CLDeviceCapabilities)device.getCapabilities();
if ( caps == null )
device.setCapabilities(caps = new CLDeviceCapabilities(device));
return caps;
}
private static int getInfoBytes(final CLDevice device, final int param_name) {
final PointerBuffer bytes = APIUtil.getBufferPointer();
clGetDeviceInfo(device, param_name, null, bytes);
return (int)bytes.get(0);
}
public String getInfoString(final CLDevice device, final int param_name) {
device.checkValid();
final int bytes = getInfoBytes(device, param_name);
final ByteBuffer versionBuffer = APIUtil.getBufferByte(bytes);
clGetDeviceInfo(device, param_name, versionBuffer, null);
versionBuffer.limit(bytes - 1); // Exclude null-termination
return APIUtil.getString(versionBuffer);
}
public int getInfoInt(final CLDevice device, final int param_name) {
device.checkValid();
final ByteBuffer versionBuffer = APIUtil.getBufferByte(4);
clGetDeviceInfo(device, param_name, versionBuffer, null);
return versionBuffer.getInt(0);
}
public long getInfoSize(final CLDevice device, final int param_name) {
device.checkValid();
final PointerBuffer pointerBuffer = APIUtil.getBufferPointer();
clGetDeviceInfo(device, param_name, pointerBuffer.getBuffer(), null);
return pointerBuffer.get(0);
}
public long getInfoLong(final CLDevice device, final int param_name) {
device.checkValid();
final ByteBuffer versionBuffer = APIUtil.getBufferByte(8);
clGetDeviceInfo(device, param_name, versionBuffer, null);
return versionBuffer.getLong(0);
}
}