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