diff options
Diffstat (limited to 'src/java/jogamp')
3 files changed, 242 insertions, 0 deletions
diff --git a/src/java/jogamp/common/os/MachineDescription32Bit.java b/src/java/jogamp/common/os/MachineDescription32Bit.java new file mode 100644 index 0000000..ec2bb4c --- /dev/null +++ b/src/java/jogamp/common/os/MachineDescription32Bit.java @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * Copyright (c) 2010 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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 Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package jogamp.common.os; + +import com.jogamp.common.os.MachineDescription; + +/** + * Compile time machine description. + * <p>littleEndian is guessed, true</p> + * <p>pageSize is guessed, 4096</p> + * <p>alignments are wrong, just set to sizeof</p> + * For alignment and size see {@link com.jogamp.gluegen} + */ +public class MachineDescription32Bit extends MachineDescription { + public MachineDescription32Bit() { + // size: char, short, int, long, float, double, pointer, pageSize + // alignment: int8, int16, int32, int64, char, short, int, long, float, double, pointer + super( false /* runtime validated */, true /* little endian */, + /* size */ 1, 2, 4, 4, 4, 8, 4, 4096, + /*align */ 1, 2, 4, 8, 1, 2, 4, 4, 4, 8, 4); + + } +} diff --git a/src/java/jogamp/common/os/MachineDescription64Bit.java b/src/java/jogamp/common/os/MachineDescription64Bit.java new file mode 100644 index 0000000..254ba30 --- /dev/null +++ b/src/java/jogamp/common/os/MachineDescription64Bit.java @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * Copyright (c) 2010 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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 Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package jogamp.common.os; + +import com.jogamp.common.os.MachineDescription; + +/** + * Compile time machine description. + * <p>littleEndian is guessed, true</p> + * <p>sizeof(long) is wrong for Windows (64bit only)</p> + * <p>pageSize is guessed, 4096</p> + * <p>alignments are wrong, just set to sizeof</p> + * For alignment and size see {@link com.jogamp.gluegen} + */ +public class MachineDescription64Bit extends MachineDescription { + public MachineDescription64Bit() { + // size: char, short, int, long, float, double, pointer, pageSize + // alignment: int8, int16, int32, int64, char, short, int, long, float, double, pointer + super( false /* runtime validated */, true /* little endian */, + /* size */ 1, 2, 4, 8 /* on win, long is 4 !!! */, 4, 8, 8, 4096, + /*align */ 1, 2, 4, 8, 1, 2, 4, 8, 4, 8, 8); + } +} diff --git a/src/java/jogamp/common/os/MachineDescriptionRuntime.java b/src/java/jogamp/common/os/MachineDescriptionRuntime.java new file mode 100644 index 0000000..f904151 --- /dev/null +++ b/src/java/jogamp/common/os/MachineDescriptionRuntime.java @@ -0,0 +1,120 @@ +/** + * Copyright 2010 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ + +package jogamp.common.os; + +import com.jogamp.common.nio.Buffers; +import com.jogamp.common.os.MachineDescription; +import com.jogamp.common.os.NativeLibrary; + +import java.nio.ByteBuffer; +import java.nio.IntBuffer; +import java.nio.ShortBuffer; + +/** + * Runtime MachineDescription + */ +public class MachineDescriptionRuntime { + + public static MachineDescription getMachineDescription(boolean is32BitByCPUArch) { + boolean libsLoaded = true; + try { + NativeLibrary.ensureNativeLibLoaded(); + } catch (UnsatisfiedLinkError err) { + libsLoaded = false; + } + + if(libsLoaded) { + int pointerSizeInBytes = getPointerSizeInBytesImpl(); + switch(pointerSizeInBytes) { + case 4: + case 8: + break; + default: + throw new RuntimeException("Unsupported pointer size "+pointerSizeInBytes+"bytes, please implement."); + } + + final long pageSizeL = getPageSizeInBytesImpl(); + if(Integer.MAX_VALUE < pageSizeL) { + throw new InternalError("PageSize exceeds integer value: " + pageSizeL); + } + + return getMachineDescriptionImpl(pointerSizeInBytes, (int) pageSizeL); + } else { + if(is32BitByCPUArch) { + return new MachineDescription32Bit(); + } else { + return new MachineDescription64Bit(); + } + } + } + + private static MachineDescription getMachineDescriptionImpl(int pointerSize, int pageSize) { + // size: char, short, int, long, float, double, pointer + // alignment: int8, int16, int32, int64, char, short, int, long, float, double, pointer + return new MachineDescription( + true /* runtime validated */, + isLittleEndianImpl(), + getSizeOfCharImpl(), getSizeOfShortImpl(), getSizeOfIntImpl(), getSizeOfLongImpl(), + getSizeOfFloatImpl(), getSizeOfDoubleImpl(), pointerSize, pageSize, + + getAlignmentInt8Impl(), getAlignmentInt16Impl(), getAlignmentInt32Impl(), getAlignmentInt64Impl(), + getAlignmentCharImpl(), getAlignmentShortImpl(), getAlignmentIntImpl(), getAlignmentLongImpl(), + getAlignmentFloatImpl(), getAlignmentDoubleImpl(), getAlignmentPointerImpl()); + } + private static boolean isLittleEndianImpl() { + ByteBuffer tst_b = Buffers.newDirectByteBuffer(Buffers.SIZEOF_INT); // 32bit in native order + IntBuffer tst_i = tst_b.asIntBuffer(); + ShortBuffer tst_s = tst_b.asShortBuffer(); + tst_i.put(0, 0x0A0B0C0D); + return 0x0C0D == tst_s.get(0); + } + + private static native int getPointerSizeInBytesImpl(); + private static native long getPageSizeInBytesImpl(); + + private static native int getAlignmentInt8Impl(); + private static native int getAlignmentInt16Impl(); + private static native int getAlignmentInt32Impl(); + private static native int getAlignmentInt64Impl(); + private static native int getAlignmentCharImpl(); + private static native int getAlignmentShortImpl(); + private static native int getAlignmentIntImpl(); + private static native int getAlignmentLongImpl(); + private static native int getAlignmentPointerImpl(); + private static native int getAlignmentFloatImpl(); + private static native int getAlignmentDoubleImpl(); + private static native int getSizeOfCharImpl(); + private static native int getSizeOfShortImpl(); + private static native int getSizeOfIntImpl(); + private static native int getSizeOfLongImpl(); + private static native int getSizeOfPointerImpl(); + private static native int getSizeOfFloatImpl(); + private static native int getSizeOfDoubleImpl(); +} + |