1 files changed, 45 insertions, 7 deletions
diff --git a/src/com/jogamp/opencl/CLInfoAccessor.java b/src/com/jogamp/opencl/CLInfoAccessor.java
index 5f6694b2..08d7305e 100644
--- a/src/com/jogamp/opencl/CLInfoAccessor.java
+++ b/src/com/jogamp/opencl/CLInfoAccessor.java
@@ -28,12 +28,13 @@
 
 package com.jogamp.opencl;
 
-import com.jogamp.common.nio.Buffers;
 import com.jogamp.common.nio.NativeSizeBuffer;
+import com.jogamp.common.os.Platform;
 import com.jogamp.opencl.util.CLUtil;
 import java.nio.Buffer;
 import java.nio.ByteBuffer;
 
+import static com.jogamp.common.nio.Buffers.*;
 import static com.jogamp.opencl.CLException.*;
 
 /**
@@ -43,15 +44,17 @@ import static com.jogamp.opencl.CLException.*;
  */
 abstract class CLInfoAccessor {
 
+    private static final int BB_SIZE = 512;
+
     protected final static ThreadLocal<ByteBuffer> localBB = new ThreadLocal<ByteBuffer>() {
 
         @Override
         protected ByteBuffer initialValue() {
-            return Buffers.newDirectByteBuffer(512);
+            return newDirectByteBuffer(BB_SIZE);
         }
 
     };
-    protected final static ThreadLocal<NativeSizeBuffer> localPB = new ThreadLocal<NativeSizeBuffer>() {
+    protected final static ThreadLocal<NativeSizeBuffer> localNSB = new ThreadLocal<NativeSizeBuffer>() {
 
         @Override
         protected NativeSizeBuffer initialValue() {
@@ -62,7 +65,7 @@ abstract class CLInfoAccessor {
 
     public final long getLong(int key) {
 
-        ByteBuffer buffer = localBB.get();
+        ByteBuffer buffer = getBB(8).putLong(0, 0);
         int ret = getInfo(key, 8, buffer, null);
         checkForError(ret, "error while asking for info value");
 
@@ -71,12 +74,16 @@ abstract class CLInfoAccessor {
 
     public final String getString(int key) {
         
-        ByteBuffer buffer = localBB.get();
-        NativeSizeBuffer sizeBuffer = localPB.get();
-        int ret = getInfo(key, buffer.capacity(), buffer, sizeBuffer);
+        NativeSizeBuffer sizeBuffer = getNSB();
+        int ret = getInfo(key, 0, null, sizeBuffer);
         checkForError(ret, "error while asking for info string");
 
         int clSize = (int)sizeBuffer.get(0);
+        ByteBuffer buffer = getBB(clSize);
+
+        ret = getInfo(key, buffer.capacity(), buffer, null);
+        checkForError(ret, "error while asking for info string");
+
         byte[] array = new byte[clSize];
         buffer.get(array).rewind();
 
@@ -84,6 +91,37 @@ abstract class CLInfoAccessor {
 
     }
 
+    public final int[] getInts(int key, int n) {
+
+        ByteBuffer buffer = getBB(n * (Platform.is32Bit()?4:8));
+        int ret = getInfo(key, buffer.capacity(), buffer, null);
+        checkForError(ret, "error while asking for info value");
+
+        int[] array = new int[n];
+        for(int i = 0; i < array.length; i++) {
+            if(Platform.is32Bit()) {
+                array[i] = buffer.getInt();
+            }else{
+                array[i] = (int)buffer.getLong();
+            }
+        }
+        buffer.rewind();
+
+        return array;
+    }
+
+    protected ByteBuffer getBB(int minCapacity) {
+        if(minCapacity > BB_SIZE) {
+            return newDirectByteBuffer(minCapacity);
+        }else{
+            return localBB.get();
+        }
+    }
+
+    protected NativeSizeBuffer getNSB() {
+        return localNSB.get();
+    }
+
     protected abstract int getInfo(int name, long valueSize, Buffer value, NativeSizeBuffer valueSizeRet);