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-rwxr-xr-xsrc/java/com/jogamp/common/nio/Buffers.java58
-rw-r--r--src/java/com/jogamp/common/os/Platform.java21
-rw-r--r--src/java/com/jogamp/common/util/ReflectionUtil.java14
-rw-r--r--src/junit/com/jogamp/common/util/IntIntHashMapTest.java13
-rw-r--r--src/junit/com/jogamp/common/util/LongIntHashMapTest.java13
5 files changed, 90 insertions, 29 deletions
diff --git a/src/java/com/jogamp/common/nio/Buffers.java b/src/java/com/jogamp/common/nio/Buffers.java
index 0c16b4d..7e5f8eb 100755
--- a/src/java/com/jogamp/common/nio/Buffers.java
+++ b/src/java/com/jogamp/common/nio/Buffers.java
@@ -206,6 +206,44 @@ public class Buffers {
}
/**
+ * Calls slice on the concrete buffer type.
+ */
+ public static Buffer slice(Buffer buffer) {
+ if (buffer instanceof ByteBuffer) {
+ return ((ByteBuffer) buffer).slice();
+ } else if (buffer instanceof IntBuffer) {
+ return ((IntBuffer) buffer).slice();
+ } else if (buffer instanceof ShortBuffer) {
+ return ((ShortBuffer) buffer).slice();
+ } else if (buffer instanceof FloatBuffer) {
+ return ((FloatBuffer) buffer).slice();
+ } else if (Platform.isJavaSE()) {
+ if (buffer instanceof DoubleBuffer) {
+ return ((DoubleBuffer) buffer).slice();
+ } else if (buffer instanceof LongBuffer) {
+ return ((LongBuffer) buffer).slice();
+ } else if (buffer instanceof CharBuffer) {
+ return ((CharBuffer) buffer).slice();
+ }
+ }
+ throw new IllegalArgumentException("unexpected buffer type: " + buffer.getClass());
+ }
+
+ /**
+ * Slices the specified buffer with offset as position and offset+size as limit.
+ */
+ public static Buffer slice(Buffer buffer, int offset, int size) {
+ int pos = buffer.position();
+ int limit = buffer.limit();
+
+ buffer.position(offset).limit(offset+size);
+ Buffer slice = slice(buffer);
+
+ buffer.position(pos).limit(limit);
+ return slice;
+ }
+
+ /**
* Helper routine to set a ByteBuffer to the native byte order, if
* that operation is supported by the underlying NIO
* implementation.
@@ -277,7 +315,7 @@ public class Buffers {
return ((CharBuffer) buf).isDirect();
}
}
- throw new RuntimeException("Unexpected buffer type " + buf.getClass().getName());
+ throw new IllegalArgumentException("Unexpected buffer type " + buf.getClass().getName());
}
/**
@@ -316,7 +354,7 @@ public class Buffers {
return pointerBuffer.position() * PointerBuffer.elementSize();
}
- throw new RuntimeException("Disallowed array backing store type in buffer " + buf.getClass().getName());
+ throw new IllegalArgumentException("Disallowed array backing store type in buffer " + buf.getClass().getName());
}
/**
@@ -349,7 +387,7 @@ public class Buffers {
}
}
- throw new RuntimeException("Disallowed array backing store type in buffer " + buf.getClass().getName());
+ throw new IllegalArgumentException("Disallowed array backing store type in buffer " + buf.getClass().getName());
}
/**
@@ -389,7 +427,7 @@ public class Buffers {
return PointerBuffer.elementSize() * (pointerBuffer.arrayOffset() + pointerBuffer.position());
}
- throw new RuntimeException("Unknown buffer type " + buf.getClass().getName());
+ throw new IllegalArgumentException("Unknown buffer type " + buf.getClass().getName());
}
@@ -543,7 +581,7 @@ public class Buffers {
return ((CharBuffer) dest).put((CharBuffer) src);
}
}
- throw new RuntimeException("Incompatible Buffer classes: dest = " + dest.getClass().getName() + ", src = " + src.getClass().getName());
+ throw new IllegalArgumentException("Incompatible Buffer classes: dest = " + dest.getClass().getName() + ", src = " + src.getClass().getName());
}
public static Buffer putb(Buffer dest, byte v) {
@@ -554,7 +592,7 @@ public class Buffers {
} else if (dest instanceof IntBuffer) {
return ((IntBuffer) dest).put((int) v);
} else {
- throw new RuntimeException("Byte doesn't match Buffer Class: " + dest);
+ throw new IllegalArgumentException("Byte doesn't match Buffer Class: " + dest);
}
}
@@ -564,7 +602,7 @@ public class Buffers {
} else if (dest instanceof IntBuffer) {
return ((IntBuffer) dest).put((int) v);
} else {
- throw new RuntimeException("Short doesn't match Buffer Class: " + dest);
+ throw new IllegalArgumentException("Short doesn't match Buffer Class: " + dest);
}
}
@@ -572,7 +610,7 @@ public class Buffers {
if (dest instanceof IntBuffer) {
((IntBuffer) dest).put(v);
} else {
- throw new RuntimeException("Integer doesn't match Buffer Class: " + dest);
+ throw new IllegalArgumentException("Integer doesn't match Buffer Class: " + dest);
}
}
@@ -584,14 +622,14 @@ public class Buffers {
((IntBuffer) dest).put(FixedPoint.toFixed(v));
*/
} else {
- throw new RuntimeException("Float doesn't match Buffer Class: " + dest);
+ throw new IllegalArgumentException("Float doesn't match Buffer Class: " + dest);
}
}
public static void putd(Buffer dest, double v) {
if (dest instanceof FloatBuffer) {
((FloatBuffer) dest).put((float) v);
} else {
- throw new RuntimeException("Double doesn't match Buffer Class: " + dest);
+ throw new IllegalArgumentException("Double doesn't match Buffer Class: " + dest);
}
}
diff --git a/src/java/com/jogamp/common/os/Platform.java b/src/java/com/jogamp/common/os/Platform.java
index 0d8b276..62a95d7 100644
--- a/src/java/com/jogamp/common/os/Platform.java
+++ b/src/java/com/jogamp/common/os/Platform.java
@@ -34,6 +34,8 @@ import com.jogamp.common.nio.Buffers;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import java.nio.ShortBuffer;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
/**
* Utility class for querying platform specific properties.
@@ -60,14 +62,14 @@ public class Platform {
ARCH = System.getProperty("os.arch");
pointerSizeInBits = getPointerSizeInBitsImpl();
- is32Bit = initAch();
+ is32Bit = initArch();
JAVA_SE = initIsJavaSE();
LITTLE_ENDIAN = initByteOrder();
}
private Platform() {}
- private static boolean initAch() throws RuntimeException {
+ private static boolean initArch() throws RuntimeException {
// Try to use Sun's sun.ARCH.data.model first ..
if ( 32 == pointerSizeInBits || 64 == pointerSizeInBits ) {
return 32 == pointerSizeInBits;
@@ -105,8 +107,13 @@ public class Platform {
private static boolean initIsJavaSE() {
- // fast path for desktop
- if(System.getSecurityManager() == null && System.getProperty("java.runtime.name").indexOf("Java SE") != -1) {
+ // the fast path, check property Java SE instead of traversing through the ClassLoader
+ String java_runtime_name = (String) AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ return System.getProperty("java.runtime.name");
+ }
+ });
+ if(java_runtime_name.indexOf("Java SE") != -1) {
return true;
}
@@ -115,9 +122,11 @@ public class Platform {
Class.forName("java.nio.LongBuffer");
Class.forName("java.nio.DoubleBuffer");
return true;
- }catch(ClassNotFoundException ex) {
- return false;
+ } catch(ClassNotFoundException ex) {
+ // continue with Java SE check
}
+
+ return false;
}
private static boolean initByteOrder() {
diff --git a/src/java/com/jogamp/common/util/ReflectionUtil.java b/src/java/com/jogamp/common/util/ReflectionUtil.java
index fc4352f..cd4c062 100644
--- a/src/java/com/jogamp/common/util/ReflectionUtil.java
+++ b/src/java/com/jogamp/common/util/ReflectionUtil.java
@@ -75,7 +75,7 @@ public final class ReflectionUtil {
/**
* @throws JogampRuntimeException if the constructor can not be delivered.
*/
- public static final Constructor getConstructor(String clazzName, ClassLoader cl, Class[] cstrArgTypes)
+ public static final Constructor getConstructor(String clazzName, Class[] cstrArgTypes, ClassLoader cl)
throws JogampRuntimeException {
try {
return getConstructor(getClassImpl(clazzName, true, cl), cstrArgTypes);
@@ -111,7 +111,7 @@ public final class ReflectionUtil {
public static final Constructor getConstructor(String clazzName, ClassLoader cl)
throws JogampRuntimeException {
- return getConstructor(clazzName, cl, new Class[0]);
+ return getConstructor(clazzName, new Class[0], cl);
}
/**
@@ -147,7 +147,7 @@ public final class ReflectionUtil {
return createInstance(clazz, cstrArgTypes, cstrArgs);
}
- public static final Object createInstance(String clazzName, ClassLoader cl, Class[] cstrArgTypes, Object[] cstrArgs)
+ public static final Object createInstance(String clazzName, Class[] cstrArgTypes, Object[] cstrArgs, ClassLoader cl)
throws JogampRuntimeException, RuntimeException
{
try {
@@ -157,20 +157,20 @@ public final class ReflectionUtil {
}
}
- public static final Object createInstance(String clazzName, ClassLoader cl, Object[] cstrArgs)
+ public static final Object createInstance(String clazzName, Object[] cstrArgs, ClassLoader cl)
throws JogampRuntimeException, RuntimeException
{
Class[] cstrArgTypes = new Class[cstrArgs.length];
for(int i=0; i<cstrArgs.length; i++) {
cstrArgTypes[i] = cstrArgs[i].getClass();
}
- return createInstance(clazzName, cl, cstrArgTypes, cstrArgs);
+ return createInstance(clazzName, cstrArgTypes, cstrArgs, cl);
}
public static final Object createInstance(String clazzName, ClassLoader cl)
throws JogampRuntimeException, RuntimeException
{
- return createInstance(clazzName, cl, new Class[0], null);
+ return createInstance(clazzName, new Class[0], null, cl);
}
public static final boolean instanceOf(Object obj, String clazzName) {
@@ -214,7 +214,7 @@ public final class ReflectionUtil {
/**
* @throws JogampRuntimeException if the instance can not be created.
*/
- public static final Object callStaticMethod(String clazzName, ClassLoader cl, String methodName, Class[] argTypes, Object[] args)
+ public static final Object callStaticMethod(String clazzName, String methodName, Class[] argTypes, Object[] args, ClassLoader cl)
throws JogampRuntimeException, RuntimeException
{
Class clazz;
diff --git a/src/junit/com/jogamp/common/util/IntIntHashMapTest.java b/src/junit/com/jogamp/common/util/IntIntHashMapTest.java
index bc02947..9d58db0 100644
--- a/src/junit/com/jogamp/common/util/IntIntHashMapTest.java
+++ b/src/junit/com/jogamp/common/util/IntIntHashMapTest.java
@@ -105,6 +105,11 @@ public class IntIntHashMapTest {
@Test
public void benchmark() {
+ benchmark(true);
+ benchmark(false);
+ }
+
+ void benchmark(boolean warmup) {
// simple benchmark
final IntIntHashMap intmap = new IntIntHashMap(1024);
@@ -158,9 +163,11 @@ public class IntIntHashMapTest {
map.remove(rndValues[i]);
}
- assertTrue("'put' to slow", intmapPutTime <= mapPutTime);
- assertTrue("'get' to slow", intmapGetTime <= mapGetTime);
- assertTrue("'remove' to slow", intmapRemoveTime <= mapRemoveTime);
+ if(!warmup) {
+ assertTrue("'put' too slow", intmapPutTime <= mapPutTime);
+ assertTrue("'get' too slow", intmapGetTime <= mapGetTime);
+ assertTrue("'remove' too slow", intmapRemoveTime <= mapRemoveTime);
+ }
}
diff --git a/src/junit/com/jogamp/common/util/LongIntHashMapTest.java b/src/junit/com/jogamp/common/util/LongIntHashMapTest.java
index b51211c..7fc8978 100644
--- a/src/junit/com/jogamp/common/util/LongIntHashMapTest.java
+++ b/src/junit/com/jogamp/common/util/LongIntHashMapTest.java
@@ -105,6 +105,11 @@ public class LongIntHashMapTest {
@Test
public void benchmark() {
+ benchmark(true);
+ benchmark(false);
+ }
+
+ void benchmark(boolean warmup) {
// simple benchmark
final LongIntHashMap intmap = new LongIntHashMap(1024);
@@ -158,9 +163,11 @@ public class LongIntHashMapTest {
map.remove(rndValues[i]);
}
- assertTrue("'put' to slow", intmapPutTime <= mapPutTime);
- assertTrue("'get' to slow", intmapGetTime <= mapGetTime);
- assertTrue("'remove' to slow", intmapRemoveTime <= mapRemoveTime);
+ if(!warmup) {
+ assertTrue("'put' too slow", intmapPutTime <= mapPutTime);
+ assertTrue("'get' too slow", intmapGetTime <= mapGetTime);
+ assertTrue("'remove' too slow", intmapRemoveTime <= mapRemoveTime);
+ }
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 15:52:46 +0000