diff options
Diffstat (limited to 'src/java/com/jogamp')
-rw-r--r-- | src/java/com/jogamp/common/os/MachineDataInfo.java (renamed from src/java/com/jogamp/common/os/MachineDescription.java) | 156 | ||||
-rw-r--r-- | src/java/com/jogamp/common/os/Platform.java | 87 | ||||
-rw-r--r-- | src/java/com/jogamp/common/util/IOUtil.java | 8 | ||||
-rw-r--r-- | src/java/com/jogamp/common/util/VersionUtil.java | 4 | ||||
-rw-r--r-- | src/java/com/jogamp/gluegen/CMethodBindingEmitter.java | 8 | ||||
-rw-r--r-- | src/java/com/jogamp/gluegen/JavaConfiguration.java | 20 | ||||
-rw-r--r-- | src/java/com/jogamp/gluegen/JavaEmitter.java | 32 | ||||
-rw-r--r-- | src/java/com/jogamp/gluegen/cgram/types/Field.java | 6 | ||||
-rw-r--r-- | src/java/com/jogamp/gluegen/cgram/types/SizeThunk.java | 91 | ||||
-rw-r--r-- | src/java/com/jogamp/gluegen/cgram/types/StructLayout.java | 6 | ||||
-rw-r--r-- | src/java/com/jogamp/gluegen/cgram/types/Type.java | 8 | ||||
-rw-r--r-- | src/java/com/jogamp/gluegen/package.html | 18 | ||||
-rw-r--r-- | src/java/com/jogamp/gluegen/procaddress/ProcAddressCMethodBindingEmitter.java | 2 |
13 files changed, 265 insertions, 181 deletions
diff --git a/src/java/com/jogamp/common/os/MachineDescription.java b/src/java/com/jogamp/common/os/MachineDataInfo.java index 2a4627e..0192cd8 100644 --- a/src/java/com/jogamp/common/os/MachineDescription.java +++ b/src/java/com/jogamp/common/os/MachineDataInfo.java @@ -43,48 +43,80 @@ package com.jogamp.common.os; import jogamp.common.os.PlatformPropsImpl; /** - * For alignment and size see {@link com.jogamp.gluegen} + * Machine data description for alignment and size onle, see {@link com.jogamp.gluegen}. + * <p> + * {@code little-endian} / {@code big/endian} description is left, + * allowing re-using instances in {@link MachineDataInfo.StaticConfig StaticConfig}. + * Use {@link {@link PlatformPropsImpl#LITTLE_ENDIAN}. + * </p> + * <p> + * Further more, the value {@ MachineDataInfo#pageSizeInBytes} shall be ignored + * in {@link MachineDataInfo.StaticConfig StaticConfig}, see {@link MachineDataInfo#compatible(MachineDataInfo)}. + * </p> */ -public class MachineDescription { +public class MachineDataInfo { /* 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_arm_mips_32 = { 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_macos = { 4, 4, 4, 8, 16, 4, 4096 }; + private final static int[] size_ppc_32_unix = { 4, 4, 4, 8, 16, 4, 4096 }; + private final static int[] size_sparc_32_sunos = { 4, 4, 4, 8, 16, 4, 8192 }; private final static int[] size_x86_32_windows = { 4, 4, 4, 8, 12, 4, 4096 }; private final static int[] size_lp64_unix = { 4, 8, 4, 8, 16, 8, 4096 }; private final static int[] size_x86_64_windows = { 4, 4, 4, 8, 16, 8, 4096 }; - private final static int[] size_sparc_32_sunos = { 4, 4, 4, 8, 16, 4, 8192 }; /* 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_arm_mips_32 = { 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_macos = { 1, 2, 4, 4, 4, 4, 4, 4, 16, 4 }; + private final static int[] align_ppc_32_unix = { 1, 2, 4, 8, 4, 4, 4, 8, 16, 4 }; + private final static int[] align_sparc_32_sunos = { 1, 2, 4, 8, 4, 4, 4, 8, 8, 4 }; private final static int[] align_x86_32_windows = { 1, 2, 4, 8, 4, 4, 4, 8, 4, 4 }; private final static int[] align_lp64_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 }; - private final static int[] align_sparc_32_sunos = { 1, 2, 4, 8, 4, 4, 4, 8, 8, 4 }; + /** + * Static enumeration of {@link MachineDataInfo} instances + * used for high performance data size and alignment lookups, + * e.g. for generated structures. + * <p> + * The value {@link MachineDataInfo#pageSizeInBytes} shall be ignored + * for static instances! + * </p> + * <p> + * If changing this table, you need to: + * <ul> + * <li>Rebuild GlueGen.</li> + * <li>Run ant {@code build.xml} target {@code generate.os.sources}.</li> + * <li>Rebuild everything.</li> + * </ul> + * .. b/c the generated code for glued structures must reflect this change! + * </p> + */ public enum StaticConfig { - /** {@link Platform.CPUType#ARM} EABI Little Endian */ - ARMle_EABI(true, size_armeabi, align_armeabi), - /** {@link Platform.CPUType#X86_32} Little Endian Unix */ - X86_32_UNIX(true, size_x86_32_unix, align_x86_32_unix), - /** LP64 Unix, e.g.: {@link Platform.CPUType#X86_64} Little Endian Unix, {@link Platform.CPUType#ARM64} EABI Little Endian, ... */ - LP64_UNIX(true, size_lp64_unix, align_lp64_unix), - /** {@link Platform.CPUType#X86_32} Little Endian MacOS (Special case gcc4/OSX) */ - X86_32_MACOS(true, size_x86_32_macos, align_x86_32_macos), - /** {@link Platform.CPUType#X86_32} Little Endian Windows */ - X86_32_WINDOWS(true, size_x86_32_windows, align_x86_32_windows), - /** {@link Platform.CPUType#X86_64} Little Endian Windows */ - X86_64_WINDOWS(true, size_x86_64_windows, align_x86_64_windows), - /** {@link Platform.CPUType#SPARC_32} Big Endian Solaris */ - SPARC_32_SUNOS(false, size_sparc_32_sunos, align_sparc_32_sunos); - - public final MachineDescription md; - - StaticConfig(final boolean littleEndian, final int[] sizes, final int[] alignments) { + /** {@link Platform.CPUType#ARM} or {@link Platform.CPUType#MIPS_32} */ + ARM_MIPS_32( size_arm_mips_32, align_arm_mips_32), + /** {@link Platform.CPUType#X86_32} Unix */ + X86_32_UNIX( size_x86_32_unix, align_x86_32_unix), + /** {@link Platform.CPUType#X86_32} MacOS (Special case gcc4/OSX) */ + X86_32_MACOS( size_x86_32_macos, align_x86_32_macos), + /** {@link Platform.CPUType#PPC} Unix */ + PPC_32_UNIX( size_ppc_32_unix, align_ppc_32_unix), + /** {@link Platform.CPUType#SPARC_32} Solaris */ + SPARC_32_SUNOS( size_sparc_32_sunos, align_sparc_32_sunos), + /** {@link Platform.CPUType#X86_32} Windows */ + X86_32_WINDOWS( size_x86_32_windows, align_x86_32_windows), + /** LP64 Unix, e.g.: {@link Platform.CPUType#X86_64} Unix, {@link Platform.CPUType#ARM64} EABI, {@link Platform.CPUType#PPC64} Unix, .. */ + LP64_UNIX( size_lp64_unix, align_lp64_unix), + /** {@link Platform.CPUType#X86_64} Windows */ + X86_64_WINDOWS( size_x86_64_windows, align_x86_64_windows); + // 8 + + public final MachineDataInfo md; + + StaticConfig(final int[] sizes, final int[] alignments) { int i=0, j=0; - this.md = new MachineDescription(false, littleEndian, + this.md = new MachineDataInfo(false, sizes[i++], sizes[i++], sizes[i++], @@ -108,7 +140,7 @@ public class MachineDescription { if(null==sb) { sb = new StringBuilder(); } - sb.append("MachineDescriptionStatic: ").append(this.name()).append("(").append(this.ordinal()).append("): "); + sb.append("MachineDataInfoStatic: ").append(this.name()).append("(").append(this.ordinal()).append("): "); md.toString(sb); return sb; } @@ -119,13 +151,44 @@ public class MachineDescription { public String toString() { return toString(null).toString(); } - } + /** + * Static's {@link MachineDataInfo} shall be unique by the + * {@link MachineDataInfo#compatible(MachineDataInfo) compatible} criteria. + */ + public static final void validateUniqueMachineDataInfo() { + final StaticConfig[] scs = StaticConfig.values(); + for(int i=scs.length-1; i>=0; i--) { + final StaticConfig a = scs[i]; + for(int j=scs.length-1; j>=0; j--) { + if( i != j ) { + final StaticConfig b = scs[j]; + if( a.md.compatible(b.md) ) { + // oops + final String msg = "Duplicate/Compatible MachineDataInfo in StaticConfigs: Elements ["+i+": "+a.toShortString()+"] and ["+j+": "+b.toShortString()+"]"; + System.err.println(msg); + System.err.println(a); + System.err.println(b); + throw new InternalError(msg); + } + } + } + } + } + public static final StaticConfig findCompatible(final MachineDataInfo md) { + final StaticConfig[] scs = StaticConfig.values(); + for(int i=scs.length-1; i>=0; i--) { + final StaticConfig a = scs[i]; + if( a.md.compatible(md) ) { + return a; + } + } + return null; + } + } final private boolean runtimeValidated; - final private boolean littleEndian; - final private int int8SizeInBytes = 1; final private int int16SizeInBytes = 2; final private int int32SizeInBytes = 4; @@ -150,8 +213,7 @@ public class MachineDescription { final private int ldoubleAlignmentInBytes; final private int pointerAlignmentInBytes; - public MachineDescription(final boolean runtimeValidated, - final boolean littleEndian, + public MachineDataInfo(final boolean runtimeValidated, final int intSizeInBytes, final int longSizeInBytes, @@ -172,7 +234,6 @@ public class MachineDescription { final int ldoubleAlignmentInBytes, final int pointerAlignmentInBytes) { this.runtimeValidated = runtimeValidated; - this.littleEndian = littleEndian; this.intSizeInBytes = intSizeInBytes; this.longSizeInBytes = longSizeInBytes; @@ -201,13 +262,6 @@ public class MachineDescription { return runtimeValidated; } - /** - * Returns true only if this system uses little endian byte ordering. - */ - public final boolean isLittleEndian() { - return littleEndian; - } - public final int intSizeInBytes() { return intSizeInBytes; } public final int longSizeInBytes() { return longSizeInBytes; } public final int int8SizeInBytes() { return int8SizeInBytes; } @@ -247,32 +301,32 @@ public class MachineDescription { /** * Checks whether two size objects are equal. Two instances - * of <code>MachineDescription</code> are considered equal if all components + * of <code>MachineDataInfo</code> are considered equal if all components * match but {@link #runtimeValidated}, {@link #isRuntimeValidated()}. - * @return <code>true</code> if the two MachineDescription are equal; + * @return <code>true</code> if the two MachineDataInfo are equal; * otherwise <code>false</code>. */ @Override public final boolean equals(final Object obj) { if (this == obj) { return true; } - if ( !(obj instanceof MachineDescription) ) { return false; } - final MachineDescription md = (MachineDescription) obj; + if ( !(obj instanceof MachineDataInfo) ) { return false; } + final MachineDataInfo md = (MachineDataInfo) 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 + * Checks whether two {@link MachineDataInfo} objects are equal. + * <p> + * Two {@link MachineDataInfo} instances are considered equal if all components * match but {@link #isRuntimeValidated()} and {@link #pageSizeInBytes()}. - * @return <code>true</code> if the two MachineDescription are equal; + * </p> + * @return <code>true</code> if the two {@link MachineDataInfo} are equal; * otherwise <code>false</code>. */ - public final boolean compatible(final MachineDescription md) { - return littleEndian == md.littleEndian && - - intSizeInBytes == md.intSizeInBytes && + public final boolean compatible(final MachineDataInfo md) { + return intSizeInBytes == md.intSizeInBytes && longSizeInBytes == md.longSizeInBytes && floatSizeInBytes == md.floatSizeInBytes && doubleSizeInBytes == md.doubleSizeInBytes && @@ -295,7 +349,7 @@ public class MachineDescription { if(null==sb) { sb = new StringBuilder(); } - sb.append("MachineDescription: runtimeValidated ").append(isRuntimeValidated()).append(", littleEndian ").append(isLittleEndian()).append(", 32Bit ").append(4 == pointerAlignmentInBytes).append(", primitive size / alignment:").append(PlatformPropsImpl.NEWLINE); + sb.append("MachineDataInfo: runtimeValidated ").append(isRuntimeValidated()).append(", 32Bit ").append(4 == pointerAlignmentInBytes).append(", primitive size / alignment:").append(PlatformPropsImpl.NEWLINE); 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); diff --git a/src/java/com/jogamp/common/os/Platform.java b/src/java/com/jogamp/common/os/Platform.java index 6f6c99d..2e63550 100644 --- a/src/java/com/jogamp/common/os/Platform.java +++ b/src/java/com/jogamp/common/os/Platform.java @@ -41,7 +41,7 @@ import com.jogamp.common.util.VersionNumber; import com.jogamp.common.util.cache.TempJarCache; import jogamp.common.jvm.JVMUtil; -import jogamp.common.os.MachineDescriptionRuntime; +import jogamp.common.os.MachineDataInfoRuntime; import jogamp.common.os.PlatformPropsImpl; /** @@ -50,7 +50,7 @@ import jogamp.common.os.PlatformPropsImpl; * Some field declarations and it's static initialization has been delegated * to it's super class {@link PlatformPropsImpl} to solve * static initialization interdependencies w/ the GlueGen native library loading - * and it's derived information {@link #getMachineDescription()}, {@link #is32Bit()}, ..<br> + * and it's derived information {@link #getMachineDataInfo()}, {@link #is32Bit()}, ..<br> * This mechanism is preferred in this case to avoid synchronization and locking * and allow better performance accessing the mentioned fields/methods. * </p> @@ -75,42 +75,51 @@ public class Platform extends PlatformPropsImpl { /** PA RISC */ PA_RISC, /** Itanium */ - IA64; + IA64, + /** Hitachi SuperH */ + SuperH; } public enum CPUType { - /** X86 32bit */ - X86_32( CPUFamily.X86, true), - /** X86 64bit */ - X86_64( CPUFamily.X86, false), - /** ARM 32bit default */ + /** ARM 32bit default, usually little endian */ ARM( CPUFamily.ARM, true), - /** ARM7EJ, ARM9E, ARM10E, XScale */ + /** ARM7EJ, ARM9E, ARM10E, XScale, usually little endian */ ARMv5( CPUFamily.ARM, true), - /** ARM11 */ + /** ARM11, usually little endian */ ARMv6( CPUFamily.ARM, true), - /** ARM Cortex */ + /** ARM Cortex, usually little endian */ ARMv7( CPUFamily.ARM, true), - /** ARM64 default (64bit) */ + // 4 + + /** X86 32bit, little endian */ + X86_32( CPUFamily.X86, true), + /** PPC 32bit default, usually big endian */ + PPC( CPUFamily.PPC, true), + /** MIPS 32bit, big endian (mips) or little endian (mipsel) */ + MIPS_32( CPUFamily.MIPS, true), + /** Hitachi SuperH 32bit default, ??? endian */ + SuperH( CPUFamily.SuperH, true), + /** SPARC 32bit, big endian */ + SPARC_32( CPUFamily.SPARC, true), + // 9 + + /** ARM64 default (64bit), usually little endian */ ARM64( CPUFamily.ARM, false), - /** ARM AArch64 (64bit) */ + /** ARM AArch64 (64bit), usually little endian */ ARMv8_A( CPUFamily.ARM, false), - /** PPC 32bit default */ - PPC( CPUFamily.PPC, true), - /** PPC 64bit default */ + /** X86 64bit, little endian */ + X86_64( CPUFamily.X86, false), + /** PPC 64bit default, usually big endian */ PPC64( CPUFamily.PPC, false), - /** SPARC 32bit */ - SPARC_32( CPUFamily.SPARC, true), - /** SPARC 64bit */ - SPARCV9_64(CPUFamily.SPARC, false), - /** MIPS 32bit */ - MIPS_32( CPUFamily.MIPS, true), - /** MIPS 64bit */ + /** MIPS 64bit, big endian (mips64) or little endian (mipsel64) ? */ MIPS_64( CPUFamily.MIPS, false), - /** Itanium 64bit default */ + /** Itanium 64bit default, little endian */ IA64( CPUFamily.IA64, false), - /** PA_RISC2_0 64bit */ + /** SPARC 64bit, big endian */ + SPARCV9_64(CPUFamily.SPARC, false), + /** PA_RISC2_0 64bit, ??? endian */ PA_RISC2_0(CPUFamily.PA_RISC, false); + // 17 public final CPUFamily family; public final boolean is32Bit; @@ -186,8 +195,12 @@ public class Platform extends PlatformPropsImpl { return PPC64; } else if( cpuABILower.startsWith("ppc") ) { return PPC; + } else if( cpuABILower.startsWith("mips64") ) { + return MIPS_64; } else if( cpuABILower.startsWith("mips") ) { return MIPS_32; + } else if( cpuABILower.startsWith("superh") ) { + return SuperH; } else { throw new RuntimeException("Please port CPUType detection to your platform (CPU_ABI string '" + cpuABILower + "')"); } @@ -259,7 +272,7 @@ public class Platform extends PlatformPropsImpl { // post loading native lib: // - private static final MachineDescription machineDescription; + private static final MachineDataInfo machineDescription; /** <code>true</code> if AWT is available and not in headless mode, otherwise <code>false</code>. */ public static final boolean AWT_AVAILABLE; @@ -320,19 +333,11 @@ public class Platform extends PlatformPropsImpl { USE_TEMP_JAR_CACHE = _USE_TEMP_JAR_CACHE[0]; AWT_AVAILABLE = _AWT_AVAILABLE[0]; - final MachineDescription.StaticConfig smd = MachineDescriptionRuntime.getStatic(); - MachineDescription md = MachineDescriptionRuntime.getRuntime(); - if(null == md) { - md = smd.md; - System.err.println("Warning: Using static MachineDescription: "+smd); - } else { - if(!md.compatible(smd.md)) { - throw new RuntimeException("Incompatible MachineDescriptions:"+PlatformPropsImpl.NEWLINE+ - " Static "+smd+PlatformPropsImpl.NEWLINE+ - " Runtime "+md); - } - } - machineDescription = md; + // + // Validate and setup MachineDataInfo.StaticConfig + // + MachineDataInfoRuntime.initialize(); + machineDescription = MachineDataInfoRuntime.getRuntime(); } private Platform() {} @@ -496,9 +501,9 @@ public class Platform extends PlatformPropsImpl { } /** - * Returns the MachineDescription of the running machine. + * Returns the MachineDataInfo of the running machine. */ - public static MachineDescription getMachineDescription() { + public static MachineDataInfo getMachineDataInfo() { return machineDescription; } diff --git a/src/java/com/jogamp/common/util/IOUtil.java b/src/java/com/jogamp/common/util/IOUtil.java index 1fd7cbf..c773b21 100644 --- a/src/java/com/jogamp/common/util/IOUtil.java +++ b/src/java/com/jogamp/common/util/IOUtil.java @@ -54,7 +54,7 @@ import jogamp.common.os.PlatformPropsImpl; import com.jogamp.common.net.AssetURLContext; import com.jogamp.common.net.Uri; import com.jogamp.common.nio.Buffers; -import com.jogamp.common.os.MachineDescription; +import com.jogamp.common.os.MachineDataInfo; import com.jogamp.common.os.Platform; public class IOUtil { @@ -160,14 +160,14 @@ public class IOUtil { * @throws IOException */ public static int copyStream2Stream(final InputStream in, final OutputStream out, final int totalNumBytes) throws IOException { - return copyStream2Stream(Platform.getMachineDescription().pageSizeInBytes(), in, out, totalNumBytes); + return copyStream2Stream(Platform.getMachineDataInfo().pageSizeInBytes(), in, out, totalNumBytes); } /** * Copy the specified input stream to the specified output stream. The total * number of bytes written is returned. * - * @param bufferSize the intermediate buffer size, should be {@link MachineDescription#pageSizeInBytes()} for best performance. + * @param bufferSize the intermediate buffer size, should be {@link MachineDataInfo#pageSizeInBytes()} for best performance. * @param in the source * @param out the destination * @param totalNumBytes informal number of expected bytes, maybe used for user feedback while processing. -1 if unknown @@ -246,7 +246,7 @@ public class IOUtil { if( initialCapacity < avail ) { initialCapacity = avail; } - final MachineDescription machine = Platform.getMachineDescription(); + final MachineDataInfo machine = Platform.getMachineDataInfo(); ByteBuffer data = Buffers.newDirectByteBuffer( machine.pageAlignedSize( initialCapacity ) ); final byte[] chunk = new byte[machine.pageSizeInBytes()]; int chunk2Read = Math.min(machine.pageSizeInBytes(), avail); diff --git a/src/java/com/jogamp/common/util/VersionUtil.java b/src/java/com/jogamp/common/util/VersionUtil.java index aef3fc2..6fec8fa 100644 --- a/src/java/com/jogamp/common/util/VersionUtil.java +++ b/src/java/com/jogamp/common/util/VersionUtil.java @@ -59,7 +59,7 @@ public class VersionUtil { // environment sb.append("Platform: ").append(Platform.getOSType()).append(" / ").append(Platform.getOSName()).append(' ').append(Platform.getOSVersion()).append(" (").append(Platform.getOSVersionNumber()).append("), "); sb.append(Platform.getArchName()).append(" (").append(Platform.getCPUType()).append(", ").append(Platform.getABIType()).append("), "); - sb.append(Runtime.getRuntime().availableProcessors()).append(" cores"); + sb.append(Runtime.getRuntime().availableProcessors()).append(" cores, ").append("littleEndian ").append(PlatformPropsImpl.LITTLE_ENDIAN); sb.append(Platform.getNewline()); if( Platform.OSType.ANDROID == PlatformPropsImpl.OS_TYPE ) { sb.append("Platform: Android Version: ").append(AndroidVersion.CODENAME).append(", "); @@ -67,7 +67,7 @@ public class VersionUtil { sb.append(Platform.getNewline()); } - Platform.getMachineDescription().toString(sb).append(Platform.getNewline()); + Platform.getMachineDataInfo().toString(sb).append(Platform.getNewline()); // JVM/JRE sb.append("Platform: Java Version: ").append(Platform.getJavaVersion()).append(" (").append(Platform.getJavaVersionNumber()).append("u").append(PlatformPropsImpl.JAVA_VERSION_UPDATE).append("), VM: ").append(Platform.getJavaVMName()); diff --git a/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java b/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java index 5673aac..93a1ecc 100644 --- a/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java +++ b/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java @@ -43,7 +43,7 @@ import java.util.*; import java.io.*; import java.text.MessageFormat; -import com.jogamp.common.os.MachineDescription; +import com.jogamp.common.os.MachineDataInfo; import com.jogamp.gluegen.cgram.types.*; import java.util.logging.Logger; @@ -109,7 +109,7 @@ public class CMethodBindingEmitter extends FunctionEmitter { protected static final String STRING_CHARS_PREFIX = "_strchars_"; // We need this in order to compute sizes of certain types - protected MachineDescription machDesc; + protected MachineDataInfo machDesc; /** * Constructs an emitter for the specified binding, and sets a default @@ -124,7 +124,7 @@ public class CMethodBindingEmitter extends FunctionEmitter { final boolean isJavaMethodStatic, final boolean forImplementingMethodCall, final boolean forIndirectBufferAndArrayImplementation, - final MachineDescription machDesc) + final MachineDataInfo machDesc) { super(output, false); @@ -289,7 +289,7 @@ public class CMethodBindingEmitter extends FunctionEmitter { /** * Used for certain internal type size computations */ - public final MachineDescription getMachineDescription() { return machDesc; } + public final MachineDataInfo getMachineDataInfo() { return machDesc; } @Override diff --git a/src/java/com/jogamp/gluegen/JavaConfiguration.java b/src/java/com/jogamp/gluegen/JavaConfiguration.java index 3924ec2..346920d 100644 --- a/src/java/com/jogamp/gluegen/JavaConfiguration.java +++ b/src/java/com/jogamp/gluegen/JavaConfiguration.java @@ -54,7 +54,7 @@ import com.jogamp.gluegen.cgram.types.*; import java.util.logging.Logger; -import jogamp.common.os.MachineDescriptionRuntime; +import jogamp.common.os.MachineDataInfoRuntime; import static java.util.logging.Level.*; import static com.jogamp.gluegen.JavaEmitter.MethodAccess.*; import static com.jogamp.gluegen.JavaEmitter.EmissionStyle.*; @@ -166,7 +166,7 @@ public class JavaConfiguration { private final Map<String, String> structPackages = new HashMap<String, String>(); private final List<String> customCCode = new ArrayList<String>(); private final List<String> forcedStructs = new ArrayList<String>(); - private final Map<String, String> structMachineDescriptorIndex = new HashMap<String, String>(); + private final Map<String, String> structMachineDataInfoIndex = new HashMap<String, String>(); private final Map<String, String> returnValueCapacities = new HashMap<String, String>(); private final Map<String, String> returnValueLengths = new HashMap<String, String>(); private final Map<String, List<String>> temporaryCVariableDeclarations = new HashMap<String, List<String>>(); @@ -650,12 +650,12 @@ public class JavaConfiguration { * <p> * If undefined, code generation uses the default expression: * <pre> - * private static final int mdIdx = MachineDescriptionRuntime.getStatic().ordinal(); + * private static final int mdIdx = MachineDataInfoRuntime.getStatic().ordinal(); * </pre> * </p> */ - public String returnStructMachineDescriptorIndex(final String structName) { - return structMachineDescriptorIndex.get(structName); + public String returnStructMachineDataInfoIndex(final String structName) { + return structMachineDataInfoIndex.get(structName); } /** @@ -1123,8 +1123,8 @@ public class JavaConfiguration { readTemporaryCVariableAssignment(tok, filename, lineNo); // Warning: make sure delimiters are reset at the top of this loop // because TemporaryCVariableAssignment changes them. - } else if (cmd.equalsIgnoreCase("StructMachineDescriptorIndex")) { - readStructMachineDescriptorIndex(tok, filename, lineNo); + } else if (cmd.equalsIgnoreCase("StructMachineDataInfoIndex")) { + readStructMachineDataInfoIndex(tok, filename, lineNo); // Warning: make sure delimiters are reset at the top of this loop // because StructMachineDescriptorIndex changes them. } else if (cmd.equalsIgnoreCase("ReturnValueCapacity")) { @@ -1525,14 +1525,14 @@ public class JavaConfiguration { } } - protected void readStructMachineDescriptorIndex(final StringTokenizer tok, final String filename, final int lineNo) { + protected void readStructMachineDataInfoIndex(final StringTokenizer tok, final String filename, final int lineNo) { try { final String structName = tok.nextToken(); String restOfLine = tok.nextToken("\n\r\f"); restOfLine = restOfLine.trim(); - structMachineDescriptorIndex.put(structName, restOfLine); + structMachineDataInfoIndex.put(structName, restOfLine); } catch (final NoSuchElementException e) { - throw new RuntimeException("Error parsing \"StructMachineDescriptorIndex\" command at line " + lineNo + + throw new RuntimeException("Error parsing \"StructMachineDataInfoIndex\" command at line " + lineNo + " in file \"" + filename + "\"", e); } } diff --git a/src/java/com/jogamp/gluegen/JavaEmitter.java b/src/java/com/jogamp/gluegen/JavaEmitter.java index 48c7047..d2dc4ba 100644 --- a/src/java/com/jogamp/gluegen/JavaEmitter.java +++ b/src/java/com/jogamp/gluegen/JavaEmitter.java @@ -42,7 +42,7 @@ package com.jogamp.gluegen; import com.jogamp.common.nio.Buffers; import com.jogamp.common.os.DynamicLookupHelper; -import com.jogamp.common.os.MachineDescription; +import com.jogamp.common.os.MachineDataInfo; import java.io.*; import java.util.*; @@ -53,7 +53,7 @@ import com.jogamp.gluegen.cgram.types.*; import java.nio.Buffer; import java.util.logging.Logger; -import jogamp.common.os.MachineDescriptionRuntime; +import jogamp.common.os.MachineDataInfoRuntime; import static java.util.logging.Level.*; import static com.jogamp.gluegen.JavaEmitter.MethodAccess.*; @@ -100,8 +100,8 @@ public class JavaEmitter implements GlueEmitter { private PrintWriter javaWriter; // Emits either interface or, in AllStatic mode, everything private PrintWriter javaImplWriter; // Only used in non-AllStatic modes for impl class private PrintWriter cWriter; - private final MachineDescription machDescJava = MachineDescription.StaticConfig.LP64_UNIX.md; - private final MachineDescription.StaticConfig[] machDescTargetConfigs = MachineDescription.StaticConfig.values(); + private final MachineDataInfo machDescJava = MachineDataInfo.StaticConfig.LP64_UNIX.md; + private final MachineDataInfo.StaticConfig[] machDescTargetConfigs = MachineDataInfo.StaticConfig.values(); protected final static Logger LOG = Logger.getLogger(JavaEmitter.class.getPackage().getName()); @@ -858,7 +858,7 @@ public class JavaEmitter implements GlueEmitter { this.requiresStaticInitialization = false; // reset - // machDescJava global MachineDescription is the one used to determine + // machDescJava global MachineDataInfo is the one used to determine // the sizes of the primitive types seen in the public API in Java. // For example, if a C long is an element of a struct, it is the size // of a Java int on a 32-bit machine but the size of a Java long @@ -868,11 +868,11 @@ public class JavaEmitter implements GlueEmitter { // implementation on a 32-bit platform must downcast this to an // int and set only an int's worth of data in the struct. // - // The machDescTarget MachineDescription is the one used to determine how + // The machDescTarget MachineDataInfo is the one used to determine how // much data to set in or get from the struct and exactly from // where it comes. // - // Note that machDescJava MachineDescription is always 64bit unix, + // Note that machDescJava MachineDataInfo is always 64bit unix, // which complies w/ Java types. boolean needsNativeCode = false; @@ -935,7 +935,7 @@ public class JavaEmitter implements GlueEmitter { javaWriter.println("import " + cfg.gluegenRuntimePackage() + ".*;"); javaWriter.println("import " + DynamicLookupHelper.class.getPackage().getName() + ".*;"); javaWriter.println("import " + Buffers.class.getPackage().getName() + ".*;"); - javaWriter.println("import " + MachineDescriptionRuntime.class.getName() + ";"); + javaWriter.println("import " + MachineDataInfoRuntime.class.getName() + ";"); javaWriter.println(); final List<String> imports = cfg.imports(); for (final String str : imports) { @@ -963,10 +963,10 @@ public class JavaEmitter implements GlueEmitter { javaWriter.println(); javaWriter.println(" StructAccessor accessor;"); javaWriter.println(); - final String cfgMachDescrIdxCode = cfg.returnStructMachineDescriptorIndex(containingJTypeName); - final String machDescrIdxCode = null != cfgMachDescrIdxCode ? cfgMachDescrIdxCode : "private static final int mdIdx = MachineDescriptionRuntime.getStatic().ordinal();"; + final String cfgMachDescrIdxCode = cfg.returnStructMachineDataInfoIndex(containingJTypeName); + final String machDescrIdxCode = null != cfgMachDescrIdxCode ? cfgMachDescrIdxCode : "private static final int mdIdx = MachineDataInfoRuntime.getStatic().ordinal();"; javaWriter.println(" "+machDescrIdxCode); - javaWriter.println(" private final MachineDescription md;"); + javaWriter.println(" private final MachineDataInfo md;"); javaWriter.println(); // generate all offset and size arrays generateOffsetAndSizeArrays(javaWriter, " ", containingJTypeName, structCType, null, null); /* w/o offset */ @@ -1058,7 +1058,7 @@ public class JavaEmitter implements GlueEmitter { } if( !cfg.manuallyImplement(JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, containingJTypeName)) ) { javaWriter.println(" " + containingJTypeName + "(java.nio.ByteBuffer buf) {"); - javaWriter.println(" md = MachineDescription.StaticConfig.values()[mdIdx].md;"); + javaWriter.println(" md = MachineDataInfo.StaticConfig.values()[mdIdx].md;"); javaWriter.println(" accessor = new StructAccessor(buf);"); javaWriter.println(" }"); javaWriter.println(); @@ -1948,7 +1948,7 @@ public class JavaEmitter implements GlueEmitter { } private static final boolean DEBUG_TYPEC2JAVA = false; - private JavaType typeToJavaType(final Type cType, final MachineDescription curMachDesc) { + private JavaType typeToJavaType(final Type cType, final MachineDataInfo curMachDesc) { final JavaType jt = typeToJavaTypeImpl(cType, curMachDesc); if( DEBUG_TYPEC2JAVA ) { System.err.println("typeToJavaType: "+cType.getDebugString()+" -> "+jt.getDebugString()); @@ -1961,7 +1961,7 @@ public class JavaEmitter implements GlueEmitter { (opt.getTargetType().getName() != null) && (opt.getTargetType().getName().equals("JNIEnv")); } - private JavaType typeToJavaTypeImpl(final Type cType, final MachineDescription curMachDesc) { + private JavaType typeToJavaTypeImpl(final Type cType, final MachineDataInfo curMachDesc) { // Recognize JNIEnv* case up front if( isJNIEnvPointer(cType) ) { return JavaType.createForJNIEnv(); @@ -2194,7 +2194,7 @@ public class JavaEmitter implements GlueEmitter { private String compatiblePrimitiveJavaTypeName(final Type fieldType, final JavaType javaType, - final MachineDescription curMachDesc) { + final MachineDataInfo curMachDesc) { final Class<?> c = javaType.getJavaClass(); if (!isIntegerType(c)) { // FIXME @@ -2583,7 +2583,7 @@ public class JavaEmitter implements GlueEmitter { private MethodBinding bindFunction(final FunctionSymbol sym, final JavaType containingType, final Type containingCType, - final MachineDescription curMachDesc) { + final MachineDataInfo curMachDesc) { final MethodBinding binding = new MethodBinding(sym, containingType, containingCType); diff --git a/src/java/com/jogamp/gluegen/cgram/types/Field.java b/src/java/com/jogamp/gluegen/cgram/types/Field.java index afaeade..858d81a 100644 --- a/src/java/com/jogamp/gluegen/cgram/types/Field.java +++ b/src/java/com/jogamp/gluegen/cgram/types/Field.java @@ -39,7 +39,7 @@ package com.jogamp.gluegen.cgram.types; -import com.jogamp.common.os.MachineDescription; +import com.jogamp.common.os.MachineDataInfo; /** Represents a field in a struct or union. */ @@ -83,8 +83,8 @@ public class Field { public SizeThunk getOffset() { return offset; } /** Offset, in bytes, of this field in the containing data structure - given the specified MachineDescription. */ - public long getOffset(final MachineDescription machDesc) { return offset.computeSize(machDesc); } + given the specified MachineDataInfo. */ + public long getOffset(final MachineDataInfo machDesc) { return offset.computeSize(machDesc); } /** Sets the offset of this field in the containing data structure. */ public void setOffset(final SizeThunk offset) { this.offset = offset; } diff --git a/src/java/com/jogamp/gluegen/cgram/types/SizeThunk.java b/src/java/com/jogamp/gluegen/cgram/types/SizeThunk.java index c13e5d5..9843d6b 100644 --- a/src/java/com/jogamp/gluegen/cgram/types/SizeThunk.java +++ b/src/java/com/jogamp/gluegen/cgram/types/SizeThunk.java @@ -40,7 +40,7 @@ package com.jogamp.gluegen.cgram.types; -import com.jogamp.common.os.MachineDescription; +import com.jogamp.common.os.MachineDataInfo; /** Provides a level of indirection between the definition of a type's size and the absolute value of this size. Necessary when @@ -64,104 +64,104 @@ public abstract class SizeThunk implements Cloneable { public final boolean hasFixedNativeSize() { return fixedNativeSize; } - public abstract long computeSize(MachineDescription machDesc); - public abstract long computeAlignment(MachineDescription machDesc); + public abstract long computeSize(MachineDataInfo machDesc); + public abstract long computeAlignment(MachineDataInfo machDesc); public static final SizeThunk INT8 = new SizeThunk(true) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return machDesc.int8SizeInBytes(); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return machDesc.int8AlignmentInBytes(); } }; public static final SizeThunk INT16 = new SizeThunk(true) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return machDesc.int16SizeInBytes(); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return machDesc.int16AlignmentInBytes(); } }; public static final SizeThunk INT32 = new SizeThunk(true) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return machDesc.int32SizeInBytes(); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return machDesc.int32AlignmentInBytes(); } }; public static final SizeThunk INTxx = new SizeThunk(false) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return machDesc.intSizeInBytes(); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return machDesc.intAlignmentInBytes(); } }; public static final SizeThunk LONG = new SizeThunk(false) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return machDesc.longSizeInBytes(); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return machDesc.longAlignmentInBytes(); } }; public static final SizeThunk INT64 = new SizeThunk(true) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return machDesc.int64SizeInBytes(); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return machDesc.int64AlignmentInBytes(); } }; public static final SizeThunk FLOAT = new SizeThunk(true) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return machDesc.floatSizeInBytes(); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return machDesc.floatAlignmentInBytes(); } }; public static final SizeThunk DOUBLE = new SizeThunk(true) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return machDesc.doubleSizeInBytes(); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return machDesc.doubleAlignmentInBytes(); } }; public static final SizeThunk POINTER = new SizeThunk(false) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return machDesc.pointerSizeInBytes(); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return machDesc.pointerAlignmentInBytes(); } }; @@ -172,11 +172,11 @@ public abstract class SizeThunk implements Cloneable { final SizeThunk thunk2) { return new SizeThunk(false) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return thunk1.computeSize(machDesc) + thunk2.computeSize(machDesc); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { final long thunk1A = thunk1.computeAlignment(machDesc); final long thunk2A = thunk2.computeAlignment(machDesc); return ( thunk1A > thunk2A ) ? thunk1A : thunk2A ; @@ -188,11 +188,11 @@ public abstract class SizeThunk implements Cloneable { final SizeThunk thunk2) { return new SizeThunk(false) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return thunk1.computeSize(machDesc) * thunk2.computeSize(machDesc); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { final long thunk1A = thunk1.computeAlignment(machDesc); final long thunk2A = thunk2.computeAlignment(machDesc); return ( thunk1A > thunk2A ) ? thunk1A : thunk2A ; @@ -204,22 +204,37 @@ public abstract class SizeThunk implements Cloneable { final SizeThunk alignmentThunk) { return new SizeThunk(false) { @Override - public long computeSize(final MachineDescription machDesc) { - // x % 2n == x & (2n - 1) - // remainder = net_size & ( alignment - 1 ) - // padding = alignment - remainder ; - // aligned_size = net_size + padding ; + public long computeSize(final MachineDataInfo machDesc) { + /** + * padding = ( alignment - ( net_size % alignment ) ) % alignment ; + * aligned_size = net_size + padding ; + * + * With x % 2n == x & (2n - 1) + * + * Either: + * remainder = net_size & ( alignment - 1 ) + * padding = ( remainder > 0 ) ? alignment - remainder ; + * aligned_size = net_size + padding ; + * + * Or: + * padding = ( alignment - ( net_size & ( alignment - 1 ) ) ) & ( alignment - 1 ); + * aligned_size = net_size + padding ; + * + */ - final long size = offsetThunk.computeSize(machDesc); + final long net_size = offsetThunk.computeSize(machDesc); final long alignment = alignmentThunk.computeAlignment(machDesc); - final long remainder = size & ( alignment - 1 ) ; + /** + final long remainder = net_size & ( alignment - 1 ) ; final long padding = (remainder > 0) ? alignment - remainder : 0; - return size + padding; + */ + final long padding = ( alignment - ( net_size & ( alignment - 1 ) ) ) & ( alignment - 1 ); + return net_size + padding; } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { final long thunk1A = offsetThunk.computeAlignment(machDesc); final long thunk2A = alignmentThunk.computeAlignment(machDesc); return ( thunk1A > thunk2A ) ? thunk1A : thunk2A ; @@ -231,11 +246,11 @@ public abstract class SizeThunk implements Cloneable { final SizeThunk thunk2) { return new SizeThunk(false) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return Math.max(thunk1.computeSize(machDesc), thunk2.computeSize(machDesc)); } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { final long thunk1A = thunk1.computeAlignment(machDesc); final long thunk2A = thunk2.computeAlignment(machDesc); return ( thunk1A > thunk2A ) ? thunk1A : thunk2A ; @@ -246,11 +261,11 @@ public abstract class SizeThunk implements Cloneable { public static SizeThunk constant(final int constant) { return new SizeThunk(false) { @Override - public long computeSize(final MachineDescription machDesc) { + public long computeSize(final MachineDataInfo machDesc) { return constant; } @Override - public long computeAlignment(final MachineDescription machDesc) { + public long computeAlignment(final MachineDataInfo machDesc) { return 1; // no alignment for constants } }; diff --git a/src/java/com/jogamp/gluegen/cgram/types/StructLayout.java b/src/java/com/jogamp/gluegen/cgram/types/StructLayout.java index 9d1a293..86f1ae1 100644 --- a/src/java/com/jogamp/gluegen/cgram/types/StructLayout.java +++ b/src/java/com/jogamp/gluegen/cgram/types/StructLayout.java @@ -40,7 +40,7 @@ package com.jogamp.gluegen.cgram.types; -import com.jogamp.common.os.MachineDescription; +import com.jogamp.common.os.MachineDataInfo; import com.jogamp.gluegen.GlueGen; /** Encapsulates algorithm for laying out data structures. Note that @@ -67,9 +67,9 @@ public class StructLayout { SizeThunk curOffset = SizeThunk.constant(baseOffset); SizeThunk maxSize = SizeThunk.constant(0); - final MachineDescription dbgMD; + final MachineDataInfo dbgMD; if( GlueGen.debug() ) { - dbgMD = MachineDescription.StaticConfig.LP64_UNIX.md; + dbgMD = MachineDataInfo.StaticConfig.LP64_UNIX.md; System.err.printf("SL.__: o %03d, s %03d, t %s{%d}%n", curOffset.computeSize(dbgMD), 0, t, t.getNumFields()); } else { dbgMD = null; diff --git a/src/java/com/jogamp/gluegen/cgram/types/Type.java b/src/java/com/jogamp/gluegen/cgram/types/Type.java index 63890a1..28ba6b4 100644 --- a/src/java/com/jogamp/gluegen/cgram/types/Type.java +++ b/src/java/com/jogamp/gluegen/cgram/types/Type.java @@ -42,7 +42,7 @@ package com.jogamp.gluegen.cgram.types; import java.util.List; -import com.jogamp.common.os.MachineDescription; +import com.jogamp.common.os.MachineDataInfo; /** Models a C type. Primitive types include int, float, and double. All types have an associated name. Structs and unions are @@ -112,7 +112,7 @@ public abstract class Type implements Cloneable { { long _mdSize = -1; try { - _mdSize = size.computeSize(MachineDescription.StaticConfig.LP64_UNIX.md); + _mdSize = size.computeSize(MachineDataInfo.StaticConfig.LP64_UNIX.md); } catch (final Exception e) {} mdSize = _mdSize; } @@ -180,8 +180,8 @@ public abstract class Type implements Cloneable { /** SizeThunk which computes size of this type in bytes. */ public SizeThunk getSize() { return size; } - /** Size of this type in bytes according to the given MachineDescription. */ - public long getSize(final MachineDescription machDesc) { + /** Size of this type in bytes according to the given MachineDataInfo. */ + public long getSize(final MachineDataInfo machDesc) { final SizeThunk thunk = getSize(); if (thunk == null) { throw new RuntimeException("No size set for type \"" + getName() + "\""); diff --git a/src/java/com/jogamp/gluegen/package.html b/src/java/com/jogamp/gluegen/package.html index 2b4f1fa..689fa05 100644 --- a/src/java/com/jogamp/gluegen/package.html +++ b/src/java/com/jogamp/gluegen/package.html @@ -60,13 +60,23 @@ </ul> <h5>Simple alignment arithmetic</h5> - <blockquote>remainder = offset % alignment</blockquote> - since alignment is a multiple of 2 <code>-> x % 2n == x & (2n - 1)</code><br> - <blockquote>remainder = offset & ( alignment - 1 )</blockquote> + Modulo operation, where the 2nd handles the case offset == alignment: <blockquote> - padding = (remainder > 0) ? alignment - remainder : 0 ;<br> + padding = ( alignment - ( offset % alignment ) ) % alignment ; <br> + aligned_offset = offset + padding ; + </blockquote> + Optimization utilizing alignment as a multiple of 2 <code>-> x % 2n == x & ( 2n - 1 )</code><br> + <blockquote> + remainder = offset & ( alignment - 1 ) ; <br> + padding = ( remainder > 0 ) ? alignment - remainder : 0 ;<br> + aligned_offset = offset + padding ; + </blockquote> + Without branching, using the 2nd modulo operation for the case offset == alignment: + <blockquote> + padding = ( alignment - ( offset & ( alignment - 1 ) ) ) & ( alignment - 1 ) ;<br> aligned_offset = offset + padding ; </blockquote> + See <code>com.jogamp.gluegen.cgram.types.SizeThunk.align(..)</code>. <h5>Type Size & Alignment for x86, x86_64, armv6l-32bit-eabi and Window(mingw/mingw64)</h5> Runtime query is implemented as follows: diff --git a/src/java/com/jogamp/gluegen/procaddress/ProcAddressCMethodBindingEmitter.java b/src/java/com/jogamp/gluegen/procaddress/ProcAddressCMethodBindingEmitter.java index 351e0cd..5c059c9 100644 --- a/src/java/com/jogamp/gluegen/procaddress/ProcAddressCMethodBindingEmitter.java +++ b/src/java/com/jogamp/gluegen/procaddress/ProcAddressCMethodBindingEmitter.java @@ -76,7 +76,7 @@ public class ProcAddressCMethodBindingEmitter extends CMethodBindingEmitter { methodToWrap.getIsJavaMethodStatic(), true, methodToWrap.forIndirectBufferAndArrayImplementation(), - methodToWrap.getMachineDescription() + methodToWrap.getMachineDataInfo() ); if (methodToWrap.getReturnValueCapacityExpression() != null) { |