/*
* Copyright (c) 2009-2016 jMonkeyEngine
* 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 'jMonkeyEngine' 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 com.jme3.opencl.jocl;
import com.jme3.opencl.MappingAccess;
import com.jme3.opencl.MemoryAccess;
import com.jme3.opencl.OpenCLException;
import com.jme3.util.BufferUtils;
import com.jogamp.common.nio.PointerBuffer;
import com.jogamp.opencl.CLEventList;
import com.jogamp.opencl.CLException;
import com.jogamp.opencl.CLMemory;
import com.jogamp.opencl.CLVersion;
import com.jogamp.opencl.llb.CL;
import java.lang.reflect.Field;
import java.nio.*;
import java.util.EnumSet;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author shaman
*/
public class Utils {
private static final Logger LOG = Logger.getLogger(Utils.class.getName());
private Utils() {}
public static int getMajorVersion(String version, String prefix) {
String s = version.substring(prefix.length());
return Integer.parseInt(s);
}
public static int getMinorVersion(String version, String prefix) {
String s = version.substring(prefix.length());
int major = Integer.parseInt(s);
s = s.substring((int) (Math.log10(major) + 2));
return Integer.parseInt(s);
}
public static final class TempBuffer {
public final ByteBuffer b16;
public final ShortBuffer b16s;
public final IntBuffer b16i;
public final LongBuffer b16l;
public final FloatBuffer b16f;
public final DoubleBuffer b16d;
public TempBuffer() {
b16 = BufferUtils.createByteBuffer(16);
b16s = b16.asShortBuffer();
b16i = b16.asIntBuffer();
b16l = b16.asLongBuffer();
b16f = b16.asFloatBuffer();
b16d = b16.asDoubleBuffer();
}
}
public static final ByteBuffer b80; //needed for ImageDescriptor
public static final LongBuffer b80l;
public static final FloatBuffer b80f;
public static final TempBuffer[] tempBuffers = new TempBuffer[8];
public static final PointerBuffer[] pointers = new PointerBuffer[8];
static {
for (int i=0; i<8; ++i) {
tempBuffers[i] = new TempBuffer();
pointers[i] = PointerBuffer.allocateDirect(4);
}
errorBuffer = BufferUtils.createIntBuffer(1);
b80 = BufferUtils.createByteBuffer(80);
b80l = b80.asLongBuffer();
b80f = b80.asFloatBuffer();
}
public static IntBuffer errorBuffer;
public static void checkError(IntBuffer errorBuffer, String callName) {
checkError(errorBuffer.get(0), callName);
}
public static void checkError(int error, String callName) {
if (error != CL.CL_SUCCESS) {
String errname = getErrorName(error);
if (errname == null) {
errname = "UNKNOWN";
}
throw new OpenCLException("OpenCL error in " + callName + ": " + errname + " (0x" + Integer.toHexString(error) + ")", error);
}
}
public static void reportError(int error, String callName) {
if (error != CL.CL_SUCCESS) {
String errname = getErrorName(error);
if (errname == null) {
errname = "UNKNOWN";
}
LOG.log(Level.WARNING, "OpenCL error in {0}: {1} (0x{2})", new Object[]{callName, errname, Integer.toHexString(error)});
}
}
public static String getErrorName(int code) {
return CLException.resolveErrorCode(code);
}
public static long getMemoryAccessFlags(MemoryAccess ma) {
switch (ma) {
case READ_ONLY: return CL.CL_MEM_READ_ONLY;
case WRITE_ONLY: return CL.CL_MEM_WRITE_ONLY;
case READ_WRITE: return CL.CL_MEM_READ_WRITE;
default: throw new IllegalArgumentException("Unknown memory access: "+ma);
}
}
public static MemoryAccess getMemoryAccessFromFlag(long flag) {
if ((flag & CL.CL_MEM_READ_WRITE) > 0) {
return MemoryAccess.READ_WRITE;
}
if ((flag & CL.CL_MEM_READ_ONLY) > 0) {
return MemoryAccess.READ_ONLY;
}
if ((flag & CL.CL_MEM_WRITE_ONLY) > 0) {
return MemoryAccess.WRITE_ONLY;
}
throw new OpenCLException("Unknown memory access flag: "+flag);
}
public static long getMappingAccessFlags(MappingAccess ma) {
switch (ma) {
case MAP_READ_ONLY: return CL.CL_MAP_READ;
case MAP_READ_WRITE: return CL.CL_MAP_READ | CL.CL_MAP_WRITE;
case MAP_WRITE_ONLY: return CL.CL_MAP_WRITE;
case MAP_WRITE_INVALIDATE: return CL.CL_MAP_WRITE; //MAP_WRITE_INVALIDATE_REGION not supported
default: throw new IllegalArgumentException("Unknown mapping access: "+ma);
}
}
}