diff options
Diffstat (limited to 'src/java/com/jogamp/common/os/MachineDescription.java')
| -rw-r--r-- | src/java/com/jogamp/common/os/MachineDescription.java | 294 |
1 files changed, 145 insertions, 149 deletions
diff --git a/src/java/com/jogamp/common/os/MachineDescription.java b/src/java/com/jogamp/common/os/MachineDescription.java index 7534917..43f2975 100644 --- a/src/java/com/jogamp/common/os/MachineDescription.java +++ b/src/java/com/jogamp/common/os/MachineDescription.java @@ -40,77 +40,93 @@ package com.jogamp.common.os; -import java.nio.ByteBuffer; -import java.nio.IntBuffer; -import java.nio.ShortBuffer; - -import com.jogamp.common.nio.Buffers; - /** * For alignment and size see {@link com.jogamp.gluegen} */ public class MachineDescription { - /* arch os int, long, float, doubl, ldoubl, ptr, page */ - final static int[] size_armeabi = { 4, 4, 4, 8, 8, 4, 4096 }; - final static int[] size_x86_32_unix = { 4, 4, 4, 8, 12, 4, 4096 }; - final static int[] size_x86_32_windows = { 4, 4, 4, 8, 12, 4, 4096 }; - final static int[] size_x86_64_unix = { 4, 8, 4, 8, 16, 8, 4096 }; - final static int[] size_x86_64_windows = { 4, 4, 4, 8, 16, 8, 4096 }; + public enum ID { + /** {@link Platform.CPUType#ARM} EABI Little Endian */ + ARMle_EABI(Platform.CPUType.ARM), + /** {@link Platform.CPUType#X86_32} Little Endian Unix */ + X86_32_UNIX(Platform.CPUType.X86_32), + /** {@link Platform.CPUType#X86_64} Little Endian Unix */ + X86_64_UNIX(Platform.CPUType.X86_64), + /** {@link Platform.CPUType#X86_32} Little Endian Windows */ + X86_32_WINDOWS(Platform.CPUType.X86_32), + /** {@link Platform.CPUType#X86_64} Little Endian Windows */ + X86_64_WINDOWS(Platform.CPUType.X86_64); + + public final Platform.CPUType cpu; + + ID(Platform.CPUType cpu){ + this.cpu = cpu; + } + } + + /* arch os int, long, float, doubl, ldoubl, ptr, page */ + private final static int[] size_armeabi = { 4, 4, 4, 8, 8, 4, 4096 }; + private final static int[] size_x86_32_unix = { 4, 4, 4, 8, 12, 4, 4096 }; + private final static int[] size_x86_32_windows = { 4, 4, 4, 8, 12, 4, 4096 }; + private final static int[] size_x86_64_unix = { 4, 8, 4, 8, 16, 8, 4096 }; + private final static int[] size_x86_64_windows = { 4, 4, 4, 8, 16, 8, 4096 }; - /* arch os i8, i16, i32, i64, int, long, float, doubl, ldoubl, ptr */ - final static int[] align_armeabi = { 1, 2, 4, 8, 4, 4, 4, 8, 8, 4 }; - final static int[] align_x86_32_unix = { 1, 2, 4, 4, 4, 4, 4, 4, 4, 4 }; - final static int[] align_x86_32_windows = { 1, 2, 4, 8, 4, 4, 4, 8, 4, 4 }; - final static int[] align_x86_64_unix = { 1, 2, 4, 8, 4, 8, 4, 8, 16, 8 }; - final static int[] align_x86_64_windows = { 1, 2, 4, 8, 4, 4, 4, 8, 16, 8 }; + /* arch os i8, i16, i32, i64, int, long, float, doubl, ldoubl, ptr */ + private final static int[] align_armeabi = { 1, 2, 4, 8, 4, 4, 4, 8, 8, 4 }; + private final static int[] align_x86_32_unix = { 1, 2, 4, 4, 4, 4, 4, 4, 4, 4 }; + private final static int[] align_x86_32_windows = { 1, 2, 4, 8, 4, 4, 4, 8, 4, 4 }; + private final static int[] align_x86_64_unix = { 1, 2, 4, 8, 4, 8, 4, 8, 16, 8 }; + private final static int[] align_x86_64_windows = { 1, 2, 4, 8, 4, 4, 4, 8, 16, 8 }; - public enum Config { - ARM_EABI(size_armeabi, align_armeabi), - X86_32_UNIX(size_x86_32_unix, align_x86_32_unix), - X86_64_UNIX(size_x86_64_unix, align_x86_64_unix), - X86_32_WINDOWS(size_x86_32_windows, align_x86_32_windows), - X86_64_WINDOWS(size_x86_64_windows, align_x86_64_windows); + public enum StaticConfig { + /** {@link MachineDescription.ID#ARMle_EABI } */ + ARMle_EABI(ID.ARMle_EABI, true, size_armeabi, align_armeabi), + /** {@link MachineDescription.ID#X86_32_UNIX } */ + X86_32_UNIX(ID.X86_32_UNIX, true, size_x86_32_unix, align_x86_32_unix), + /** {@link MachineDescription.ID#X86_64_UNIX } */ + X86_64_UNIX(ID.X86_64_UNIX, true, size_x86_64_unix, align_x86_64_unix), + /** {@link MachineDescription.ID#X86_32_WINDOWS } */ + X86_32_WINDOWS(ID.X86_32_WINDOWS, true, size_x86_32_windows, align_x86_32_windows), + /** {@link MachineDescription.ID#X86_64_WINDOWS } */ + X86_64_WINDOWS(ID.X86_64_WINDOWS, true, size_x86_64_windows, align_x86_64_windows); - public final int intSizeInBytes; - public final int longSizeInBytes; - public final int floatSizeInBytes; - public final int doubleSizeInBytes; - public final int ldoubleSizeInBytes; - public final int pointerSizeInBytes; - public final int pageSizeInBytes; + public final ID id; + public final MachineDescription md; - public final int int8AlignmentInBytes; - public final int int16AlignmentInBytes; - public final int int32AlignmentInBytes; - public final int int64AlignmentInBytes; - public final int intAlignmentInBytes; - public final int longAlignmentInBytes; - public final int floatAlignmentInBytes; - public final int doubleAlignmentInBytes; - public final int ldoubleAlignmentInBytes; - public final int pointerAlignmentInBytes; + StaticConfig(ID id, boolean littleEndian, int[] sizes, int[] alignments) { + this.id = id; + int i=0, j=0; + this.md = new MachineDescription(false, littleEndian, + sizes[i++], + sizes[i++], + sizes[i++], + sizes[i++], + sizes[i++], + sizes[i++], + sizes[i++], + alignments[j++], + alignments[j++], + alignments[j++], + alignments[j++], + alignments[j++], + alignments[j++], + alignments[j++], + alignments[j++], + alignments[j++], + alignments[j++]); + } - Config(int[] sizes, int[] alignments) { - int i=0; - intSizeInBytes = sizes[i++]; - longSizeInBytes = sizes[i++];; - floatSizeInBytes = sizes[i++];; - doubleSizeInBytes = sizes[i++];; - ldoubleSizeInBytes = sizes[i++];; - pointerSizeInBytes = sizes[i++];; - pageSizeInBytes = sizes[i++];; - - i=0; - int8AlignmentInBytes = alignments[i++]; - int16AlignmentInBytes = alignments[i++]; - int32AlignmentInBytes = alignments[i++]; - int64AlignmentInBytes = alignments[i++]; - intAlignmentInBytes = alignments[i++]; - longAlignmentInBytes = alignments[i++]; - floatAlignmentInBytes = alignments[i++]; - doubleAlignmentInBytes = alignments[i++]; - ldoubleAlignmentInBytes = alignments[i++]; - pointerAlignmentInBytes = alignments[i++]; + public StringBuilder toString(StringBuilder sb) { + if(null==sb) { + sb = new StringBuilder(); + } + sb.append("MachineDescriptionStatic: ").append(this.name()).append("(").append(this.ordinal()).append("): "); + md.toString(sb); + return sb; + } + + @Override + public String toString() { + return toString(null).toString(); } } @@ -144,72 +160,6 @@ public class MachineDescription { final private int ldoubleAlignmentInBytes; final private int pointerAlignmentInBytes; - public static boolean queryIsLittleEndian() { - 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); - } - - public static MachineDescription createStaticArmEABI() { - return new MachineDescription(false, queryIsLittleEndian(), Config.ARM_EABI); - } - public static MachineDescription createStaticUnix32() { - return new MachineDescription(false, queryIsLittleEndian(), Config.X86_32_UNIX); - } - public static MachineDescription createStaticUnix64() { - return new MachineDescription(false, queryIsLittleEndian(), Config.X86_64_UNIX); - } - public static MachineDescription createStaticWindows32() { - return new MachineDescription(false, queryIsLittleEndian(), Config.X86_32_WINDOWS); - } - public static MachineDescription createStaticWindows64() { - return new MachineDescription(false, queryIsLittleEndian(), Config.X86_64_WINDOWS); - } - public static MachineDescription createStatic(boolean is32BitByCPUArch) { - if(is32BitByCPUArch) { - if(Platform.getCPUFamily() == Platform.CPUFamily.ARM) { - return createStaticArmEABI(); - } else if(Platform.getOSType() == Platform.OSType.WINDOWS) { - return createStaticWindows32(); - } - return createStaticUnix32(); - } else { - if(Platform.getOSType() == Platform.OSType.WINDOWS) { - return createStaticWindows64(); - } - return createStaticUnix64(); - } - } - - public MachineDescription(boolean runtimeValidated, - boolean littleEndian, - Config config) { - this.runtimeValidated = runtimeValidated; - this.littleEndian = littleEndian; - - this.intSizeInBytes = config.intSizeInBytes; - this.longSizeInBytes = config.longSizeInBytes; - this.floatSizeInBytes = config.floatSizeInBytes; - this.doubleSizeInBytes = config.doubleSizeInBytes; - this.ldoubleSizeInBytes = config.ldoubleSizeInBytes; - this.pointerSizeInBytes = config.pointerSizeInBytes; - this.pageSizeInBytes = config.pageSizeInBytes; - this.is32Bit = 4 == config.pointerSizeInBytes; - - this.int8AlignmentInBytes = config.int8AlignmentInBytes; - this.int16AlignmentInBytes = config.int16AlignmentInBytes; - this.int32AlignmentInBytes = config.int32AlignmentInBytes; - this.int64AlignmentInBytes = config.int64AlignmentInBytes; - this.intAlignmentInBytes = config.intAlignmentInBytes; - this.longAlignmentInBytes = config.longAlignmentInBytes; - this.floatAlignmentInBytes = config.floatAlignmentInBytes; - this.doubleAlignmentInBytes = config.doubleAlignmentInBytes; - this.ldoubleAlignmentInBytes = config.ldoubleAlignmentInBytes; - this.pointerAlignmentInBytes = config.pointerAlignmentInBytes; - } - public MachineDescription(boolean runtimeValidated, boolean littleEndian, @@ -319,29 +269,75 @@ public class MachineDescription { public int pageAlignedSize(int size) { return pageCount(size) * pageSizeInBytes; } + + /** + * Checks whether two size objects are equal. Two instances + * of <code>MachineDescription</code> are considered equal if all components + * match but {@link #runtimeValidated}, {@link #isRuntimeValidated()}. + * @return <code>true</code> if the two MachineDescription are equal; + * otherwise <code>false</code>. + */ + public final boolean equals(Object obj) { + if (this == obj) { return true; } + if ( !(obj instanceof MachineDescription) ) { return false; } + final MachineDescription md = (MachineDescription) obj; + + return pageSizeInBytes == md.pageSizeInBytes && + compatible(md); + } + + /** + * Checks whether two size objects are equal. Two instances + * of <code>MachineDescription</code> are considered equal if all components + * match but {@link #isRuntimeValidated()} and {@link #pageSizeInBytes()}. + * @return <code>true</code> if the two MachineDescription are equal; + * otherwise <code>false</code>. + */ + public final boolean compatible(MachineDescription md) { + return littleEndian == md.littleEndian && + + intSizeInBytes == md.intSizeInBytes && + longSizeInBytes == md.longSizeInBytes && + floatSizeInBytes == md.floatSizeInBytes && + doubleSizeInBytes == md.doubleSizeInBytes && + ldoubleSizeInBytes == md.ldoubleSizeInBytes && + pointerSizeInBytes == md.pointerSizeInBytes && + is32Bit == md.is32Bit && + + int8AlignmentInBytes == md.int8AlignmentInBytes && + int16AlignmentInBytes == md.int16AlignmentInBytes && + int32AlignmentInBytes == md.int32AlignmentInBytes && + int64AlignmentInBytes == md.int64AlignmentInBytes && + intAlignmentInBytes == md.intAlignmentInBytes && + longAlignmentInBytes == md.longAlignmentInBytes && + floatAlignmentInBytes == md.floatAlignmentInBytes && + doubleAlignmentInBytes == md.doubleAlignmentInBytes && + ldoubleAlignmentInBytes == md.ldoubleAlignmentInBytes && + pointerAlignmentInBytes == md.pointerAlignmentInBytes ; + } - public StringBuilder toString(StringBuilder sb) { - if(null==sb) { - sb = new StringBuilder(); - } - sb.append("MachineDescription: runtimeValidated ").append(isRuntimeValidated()).append(", littleEndian ").append(isLittleEndian()).append(", 32Bit ").append(is32Bit()).append(", primitive size / alignment:").append(Platform.getNewline()); - sb.append(" int8 ").append(int8SizeInBytes) .append(" / ").append(int8AlignmentInBytes); - sb.append(", int16 ").append(int16SizeInBytes) .append(" / ").append(int16AlignmentInBytes).append(Platform.getNewline()); - sb.append(" int ").append(intSizeInBytes) .append(" / ").append(intAlignmentInBytes); - sb.append(", long ").append(longSizeInBytes) .append(" / ").append(longAlignmentInBytes).append(Platform.getNewline()); - sb.append(" int32 ").append(int32SizeInBytes) .append(" / ").append(int32AlignmentInBytes); - sb.append(", int64 ").append(int64SizeInBytes) .append(" / ").append(int64AlignmentInBytes).append(Platform.getNewline()); - sb.append(" float ").append(floatSizeInBytes) .append(" / ").append(floatAlignmentInBytes); - sb.append(", double ").append(doubleSizeInBytes) .append(" / ").append(doubleAlignmentInBytes); - sb.append(", ldouble ").append(ldoubleSizeInBytes).append(" / ").append(ldoubleAlignmentInBytes).append(Platform.getNewline()); - sb.append(" pointer ").append(pointerSizeInBytes).append(" / ").append(pointerAlignmentInBytes); - sb.append(", page ").append(pageSizeInBytes); - return sb; + public StringBuilder toString(StringBuilder sb) { + if(null==sb) { + sb = new StringBuilder(); } + sb.append("MachineDescription: runtimeValidated ").append(isRuntimeValidated()).append(", littleEndian ").append(isLittleEndian()).append(", 32Bit ").append(is32Bit()).append(", primitive size / alignment:").append(Platform.getNewline()); + sb.append(" int8 ").append(int8SizeInBytes) .append(" / ").append(int8AlignmentInBytes); + sb.append(", int16 ").append(int16SizeInBytes) .append(" / ").append(int16AlignmentInBytes).append(Platform.getNewline()); + sb.append(" int ").append(intSizeInBytes) .append(" / ").append(intAlignmentInBytes); + sb.append(", long ").append(longSizeInBytes) .append(" / ").append(longAlignmentInBytes).append(Platform.getNewline()); + sb.append(" int32 ").append(int32SizeInBytes) .append(" / ").append(int32AlignmentInBytes); + sb.append(", int64 ").append(int64SizeInBytes) .append(" / ").append(int64AlignmentInBytes).append(Platform.getNewline()); + sb.append(" float ").append(floatSizeInBytes) .append(" / ").append(floatAlignmentInBytes); + sb.append(", double ").append(doubleSizeInBytes) .append(" / ").append(doubleAlignmentInBytes); + sb.append(", ldouble ").append(ldoubleSizeInBytes).append(" / ").append(ldoubleAlignmentInBytes).append(Platform.getNewline()); + sb.append(" pointer ").append(pointerSizeInBytes).append(" / ").append(pointerAlignmentInBytes); + sb.append(", page ").append(pageSizeInBytes); + return sb; + } - @Override - public String toString() { - return toString(null).toString(); - } + @Override + public String toString() { + return toString(null).toString(); + } } |