switched to dynamic linking. All custom code functions must be called via funciton pointers since this point.

6 files changed, 202 insertions, 99 deletions

diff --git a/nbproject/project.properties b/nbproject/project.properties
index ae86051f..4e1a1cbd 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -104,7 +104,9 @@ src.native.dir=gensrc/native
 test.src.dir=test
 
 #crosscompile=true
-static.binding=true
+
+#enable compiletime linking
+#static.binding=true
 
 #overwrite lib path for static linking
 #use only if static.binding is true
diff --git a/resources/cl-impl.cfg b/resources/cl-impl.cfg
index 58c550f5..f42b814c 100644
--- a/resources/cl-impl.cfg
+++ b/resources/cl-impl.cfg
@@ -21,29 +21,29 @@ GetProcAddressTableExpr addressTable
 ProcAddressNameExpr $UpperCase(arg)
 
 #dynamic binding for OpenGL specific functions...
-ForceProcAddressGen clGetGLContextInfoKHR
-ForceProcAddressGen clCreateFromGLBuffer
-ForceProcAddressGen clCreateFromGLRenderbuffer
-ForceProcAddressGen clCreateFromGLTexture2D
-ForceProcAddressGen clCreateFromGLTexture3D
-ForceProcAddressGen clEnqueueAcquireGLObjects
-ForceProcAddressGen clEnqueueReleaseGLObjects
-ForceProcAddressGen clGetGLObjectInfo
-ForceProcAddressGen clGetGLTextureInfo
-ForceProcAddressGen clCreateEventFromGLsyncKHR
-ForceProcAddressGen clIcdGetPlatformIDsKHR
-ForceProcAddressGen clCreateSubBuffer
-ForceProcAddressGen clCreateSubDevicesEXT
-ForceProcAddressGen clCreateUserEvent
-ForceProcAddressGen clEnqueueCopyBufferRect
-ForceProcAddressGen clEnqueueReadBufferRect
-ForceProcAddressGen clEnqueueWriteBufferRect
-ForceProcAddressGen clReleaseDeviceEXT
-ForceProcAddressGen clRetainDeviceEXT
-ForceProcAddressGen clSetUserEventStatus
+#ForceProcAddressGen clGetGLContextInfoKHR
+#ForceProcAddressGen clCreateFromGLBuffer
+#ForceProcAddressGen clCreateFromGLRenderbuffer
+#ForceProcAddressGen clCreateFromGLTexture2D
+#ForceProcAddressGen clCreateFromGLTexture3D
+#ForceProcAddressGen clEnqueueAcquireGLObjects
+#ForceProcAddressGen clEnqueueReleaseGLObjects
+#ForceProcAddressGen clGetGLObjectInfo
+#ForceProcAddressGen clGetGLTextureInfo
+#ForceProcAddressGen clCreateEventFromGLsyncKHR
+#ForceProcAddressGen clIcdGetPlatformIDsKHR
+#ForceProcAddressGen clCreateSubBuffer
+#ForceProcAddressGen clCreateSubDevicesEXT
+#ForceProcAddressGen clCreateUserEvent
+#ForceProcAddressGen clEnqueueCopyBufferRect
+#ForceProcAddressGen clEnqueueReadBufferRect
+#ForceProcAddressGen clEnqueueWriteBufferRect
+#ForceProcAddressGen clReleaseDeviceEXT
+#ForceProcAddressGen clRetainDeviceEXT
+#ForceProcAddressGen clSetUserEventStatus
 
 #...or force all
-#ForceProcAddressGen __ALL__
+ForceProcAddressGen __ALL__
 
 Unignore clGetExtensionFunctionAddress
 RenameJavaMethod clGetExtensionFunctionAddress clGetExtensionFunctionAddressImpl
@@ -57,21 +57,29 @@ CustomCCode #include <GL3/gl3.h>
 CustomCCode #include <inttypes.h>
 
 # implement manually via custom code
-Ignore clCreateContext
-Ignore clCreateContextFromType
-Ignore clBuildProgram
-Ignore clEnqueueNativeKernel
-Ignore clReleaseContext
+Ignore              clCreateContext
+ForceProcAddressGen clCreateContext
+
+Ignore              clCreateContextFromType
+ForceProcAddressGen clCreateContextFromType
+
+Ignore              clBuildProgram
+ForceProcAddressGen clBuildProgram
+
+Ignore              clEnqueueNativeKernel
+ForceProcAddressGen clEnqueueNativeKernel
+
+Ignore              clReleaseContext
+ForceProcAddressGen clReleaseContext
 
 #take buffer capacity from input param 5
 ReturnValueCapacity clEnqueueMapBuffer {5}
 
 #this one is more complicated, we have to calculate the capacity with custom code
 ManuallyImplement clEnqueueMapImage
+ForceProcAddressGen clEnqueueMapImage
 
 #include custom code
 IncludeAs CustomJavaCode CLAbstractImpl clImplCustomCode.java
 IncludeAs CustomCCode clImplCustomCode.c
 
-#JavaEpilogue clCreateKernelsInProgram if(kernels!=null && CPU.is32Bit() && kernels.lenght > 1) { convert32To64(kernels); }
-
diff --git a/resources/clImplCustomCode.c b/resources/clImplCustomCode.c
index 678ad35d..bca6cb1c 100644
--- a/resources/clImplCustomCode.c
+++ b/resources/clImplCustomCode.c
@@ -74,16 +74,15 @@ void createContextCallback(const char * errinfo, const void * private_info, size
 /*   Java->C glue code:
  *   Java package: com.jogamp.opencl.impl.CLImpl
  *    Java method: long clCreateContextFromType(java.nio.IntBuffer props, long device_type, CreateContextCallback pfn_notify, Object userData, IntBuffer errcode_ret)
- *     C function: cl_context clCreateContextFromType(  cl_context_properties *  properties ,
- *                                                      cl_uint                  num_devices ,
- *                                                      const cl_device_id *     devices ,
- *                                                      void (*pfn_notify)(const char *, const void *, size_t, void *)  pfn_notify/,
- *                                                      void *                   user_data ,
- *                                                      cl_int *                 errcode_ret );
+ *     C function: cl_context clCreateContextFromType(  const cl_context_properties *  properties ,
+ *                                                      cl_device_type                 device_type ,
+ *                                                      void (CL_CALLBACK *      pfn_notify )(const char *, const void *, size_t, void *),
+ *                                                      void *                         user_data ,
+ *                                                      cl_int *                       errcode_ret);
  */
 JNIEXPORT jlong JNICALL
 Java_com_jogamp_opencl_impl_CLImpl_clCreateContextFromType0(JNIEnv *env, jobject _unused,
-        jobject props, jint props_byte_offset, jlong device_type, jobject cb, jobject global, jobject errcode, jint errcode_byte_offset) {
+        jobject props, jint props_byte_offset, jlong device_type, jobject cb, jobject global, jobject errcode, jint errcode_byte_offset, jlong procAddress) {
 
     cl_context_properties* _props_ptr  = NULL;
     cl_int * _errcode_ptr = NULL;
@@ -91,6 +90,9 @@ Java_com_jogamp_opencl_impl_CLImpl_clCreateContextFromType0(JNIEnv *env, jobject
     void (*_pfn_notify)(const char *errinfo, const void *private_info, size_t cb, void *user_data) = NULL;
     jobject globalCB = NULL;
 
+    typedef cl_context (*function)(const cl_context_properties *, cl_device_type, void (*pfn_notify)(const char *, const void *, size_t, void *), void *, cl_int *);
+    function clCreateContextFromType = (function)(intptr_t) procAddress;
+
     if (props != NULL) {
         _props_ptr = (cl_context_properties*) (((char*) (*env)->GetDirectBufferAddress(env, props)) + props_byte_offset);
     }
@@ -106,7 +108,7 @@ Java_com_jogamp_opencl_impl_CLImpl_clCreateContextFromType0(JNIEnv *env, jobject
     }
 */
 
-    _ctx = clCreateContextFromType(_props_ptr, (uint64_t) device_type, _pfn_notify, globalCB, _errcode_ptr);
+    _ctx = (*clCreateContextFromType)(_props_ptr, (uint64_t) device_type, _pfn_notify, globalCB, _errcode_ptr);
 
 /*
     if(globalCB != NULL) {
@@ -137,7 +139,7 @@ Java_com_jogamp_opencl_impl_CLImpl_clCreateContextFromType0(JNIEnv *env, jobject
  */
 JNIEXPORT jlong JNICALL
 Java_com_jogamp_opencl_impl_CLImpl_clCreateContext0(JNIEnv *env, jobject _unused,
-        jobject props, jint props_byte_offset, jint numDevices, jobject deviceList, jint device_type_offset, jobject cb, jobject global, jobject errcode, jint errcode_byte_offset) {
+        jobject props, jint props_byte_offset, jint numDevices, jobject deviceList, jint device_type_offset, jobject cb, jobject global, jobject errcode, jint errcode_byte_offset, jlong procAddress) {
 
     cl_context_properties* _props_ptr  = NULL;
     cl_int * _errcode_ptr = NULL;
@@ -146,6 +148,9 @@ Java_com_jogamp_opencl_impl_CLImpl_clCreateContext0(JNIEnv *env, jobject _unused
     void (*_pfn_notify)(const char *errinfo, const void *private_info, size_t cb, void *user_data) = NULL;
     jobject globalCB = NULL;
 
+    typedef cl_context (*function)(cl_context_properties *, cl_uint, const cl_device_id *, void (*pfn_notify)(const char *, const void *, size_t, void *), void *, cl_int *);
+    function clCreateContext = (function)(intptr_t) procAddress;
+
     if (props != NULL) {
         _props_ptr = (cl_context_properties*) (((char*) (*env)->GetDirectBufferAddress(env, props)) + props_byte_offset);
     }
@@ -163,7 +168,7 @@ Java_com_jogamp_opencl_impl_CLImpl_clCreateContext0(JNIEnv *env, jobject _unused
     }
 */
 
-    _ctx = clCreateContext(_props_ptr, numDevices, _deviceListPtr, _pfn_notify, globalCB, _errcode_ptr);
+    _ctx = (*clCreateContext)(_props_ptr, numDevices, _deviceListPtr, _pfn_notify, globalCB, _errcode_ptr);
 
 /*
     if(globalCB != NULL) {
@@ -188,9 +193,13 @@ Java_com_jogamp_opencl_impl_CLImpl_clCreateContext0(JNIEnv *env, jobject _unused
  *     C function: int32_t clReleaseContextImpl(cl_context context);
  */
 JNIEXPORT jint JNICALL
-Java_com_jogamp_opencl_impl_CLImpl_clReleaseContextImpl(JNIEnv *env, jobject _unused, jlong context, jlong global) {
+Java_com_jogamp_opencl_impl_CLImpl_clReleaseContextImpl(JNIEnv *env, jobject _unused, jlong context, jlong global, jlong procAddress) {
+    
     int32_t _res;
-    _res = clReleaseContext((cl_context) (intptr_t) context);
+    typedef int32_t (*function)(cl_context);
+    function clReleaseContext = (function)(intptr_t) procAddress;
+
+    _res = (*clReleaseContext)((cl_context) (intptr_t) context);
 /*
     // TODO deal with retains
     if (global != 0) {
@@ -213,7 +222,7 @@ Java_com_jogamp_opencl_impl_CLImpl_clReleaseContextImpl(JNIEnv *env, jobject _un
  */
 JNIEXPORT jint JNICALL
 Java_com_jogamp_opencl_impl_CLImpl_clBuildProgram0(JNIEnv *env, jobject _unused,
-        jlong program, jint deviceCount, jobject deviceList, jint device_type_offset, jstring options, jobject cb) {
+        jlong program, jint deviceCount, jobject deviceList, jint device_type_offset, jstring options, jobject cb, jlong procAddress) {
 
     const char* _strchars_options = NULL;
     cl_int _res;
@@ -221,6 +230,9 @@ Java_com_jogamp_opencl_impl_CLImpl_clBuildProgram0(JNIEnv *env, jobject _unused,
     void (*_pfn_notify)(cl_program, void *) = NULL;
     jobject globalCB = NULL;
 
+    typedef cl_int (*function)(cl_program, cl_uint, const cl_device_id *, const char *, void (CL_CALLBACK *)(cl_program, void *), void *);
+    function clBuildProgram = (function)(intptr_t)procAddress;
+
     if (options != NULL) {
         _strchars_options = (*env)->GetStringUTFChars(env, options, (jboolean*)NULL);
         if (_strchars_options == NULL) {
@@ -241,7 +253,7 @@ Java_com_jogamp_opencl_impl_CLImpl_clBuildProgram0(JNIEnv *env, jobject _unused,
     }
 */
 
-    _res = clBuildProgram((cl_program)(intptr_t)program, (cl_uint)deviceCount, (cl_device_id *)_deviceListPtr, _strchars_options, _pfn_notify, globalCB);
+    _res = (*clBuildProgram)((cl_program)(intptr_t)program, (cl_uint)deviceCount, (cl_device_id *)_deviceListPtr, _strchars_options, _pfn_notify, globalCB);
 
 /*
     // if something went wrong
@@ -263,21 +275,34 @@ Java_com_jogamp_opencl_impl_CLImpl_clBuildProgram0(JNIEnv *env, jobject _unused,
  *     C function: void *  clEnqueueMapImage(cl_command_queue command_queue, cl_mem image, uint32_t blocking_map, uint64_t map_flags, const size_t * , const size_t * , size_t *  image_row_pitch, size_t *  image_slice_pitch, uint32_t num_events_in_wait_list, cl_event *  event_wait_list, cl_event *  event, int32_t *  errcode_ret);
  */
 JNIEXPORT jobject JNICALL
-Java_com_jogamp_opencl_impl_CLImpl_clEnqueueMapImage0__JJIJLjava_lang_Object_2ILjava_lang_Object_2ILjava_lang_Object_2ILjava_lang_Object_2IILjava_lang_Object_2ILjava_lang_Object_2ILjava_lang_Object_2I(JNIEnv *env, jobject _unused, jlong command_queue, jlong image, jint blocking_map, jlong map_flags, jobject origin, jint origin_byte_offset, jobject range, jint range_byte_offset, jobject image_row_pitch, jint image_row_pitch_byte_offset, jobject image_slice_pitch, jint image_slice_pitch_byte_offset, jint num_events_in_wait_list, jobject event_wait_list, jint event_wait_list_byte_offset, jobject event, jint event_byte_offset, jobject errcode_ret, jint errcode_ret_byte_offset) {
-
-  size_t * _origin_ptr = NULL;
-  size_t * _range_ptr = NULL;
-  size_t * _image_row_pitch_ptr = NULL;
-  size_t * _image_slice_pitch_ptr = NULL;
-  cl_event * _event_wait_list_ptr = NULL;
-  cl_event * _event_ptr = NULL;
-  int32_t * _errcode_ret_ptr = NULL;
-  size_t * elements = NULL;
-  size_t * depth = NULL;
-  size_t pixels;
-  cl_int status;
-
-  void *  _res;
+Java_com_jogamp_opencl_impl_CLImpl_clEnqueueMapImage0__JJIJLjava_lang_Object_2ILjava_lang_Object_2ILjava_lang_Object_2ILjava_lang_Object_2IILjava_lang_Object_2ILjava_lang_Object_2ILjava_lang_Object_2I(JNIEnv *env, jobject _unused,
+        jlong command_queue, jlong image, jint blocking_map, jlong map_flags,
+        jobject origin, jint origin_byte_offset, jobject range, jint range_byte_offset,
+        jobject image_row_pitch, jint image_row_pitch_byte_offset, jobject image_slice_pitch,
+        jint image_slice_pitch_byte_offset, jint num_events_in_wait_list, jobject event_wait_list,
+        jint event_wait_list_byte_offset, jobject event, jint event_byte_offset, jobject errcode_ret, jint errcode_ret_byte_offset,
+        jlong imageInfoAddress, jlong mapImageAddress) {
+
+    size_t * _origin_ptr = NULL;
+    size_t * _range_ptr = NULL;
+    size_t * _image_row_pitch_ptr = NULL;
+    size_t * _image_slice_pitch_ptr = NULL;
+    cl_event * _event_wait_list_ptr = NULL;
+    cl_event * _event_ptr = NULL;
+    int32_t * _errcode_ret_ptr = NULL;
+    size_t * elements = NULL;
+    size_t * depth = NULL;
+    size_t pixels;
+    cl_int status;
+
+    typedef int32_t (*imageInfoFunctionType)(cl_mem, uint32_t, size_t, void *, size_t *);
+    imageInfoFunctionType clGetImageInfo;
+
+    typedef void* (*mapInfoFunctionType)(cl_command_queue, cl_mem, uint32_t, uint64_t, const size_t *,
+                const size_t *, size_t *, size_t *, uint32_t, cl_event *, cl_event *, int32_t *);
+    mapInfoFunctionType clEnqueueMapImage;
+
+    void * _res;
 
     if (origin != NULL) {
         _origin_ptr = (size_t *) (((char*) (*env)->GetDirectBufferAddress(env, origin)) + origin_byte_offset);
@@ -301,21 +326,26 @@ Java_com_jogamp_opencl_impl_CLImpl_clEnqueueMapImage0__JJIJLjava_lang_Object_2IL
         _errcode_ret_ptr = (int32_t *) (((char*) (*env)->GetDirectBufferAddress(env, errcode_ret)) + errcode_ret_byte_offset);
     }
 
-  _res = clEnqueueMapImage((cl_command_queue) (intptr_t) command_queue, (cl_mem) (intptr_t) image, (uint32_t) blocking_map, (uint64_t) map_flags, (size_t *) _origin_ptr, (size_t *) _range_ptr, (size_t *) _image_row_pitch_ptr, (size_t *) _image_slice_pitch_ptr, (uint32_t) num_events_in_wait_list, (cl_event *) _event_wait_list_ptr, (cl_event *) _event_ptr, (int32_t *) _errcode_ret_ptr);
-  if (_res == NULL) return NULL;
+    _res = (*clEnqueueMapImage)((cl_command_queue) (intptr_t) command_queue, (cl_mem) (intptr_t) image,
+               (uint32_t) blocking_map, (uint64_t) map_flags, (size_t *) _origin_ptr, (size_t *) _range_ptr,
+               (size_t *) _image_row_pitch_ptr, (size_t *) _image_slice_pitch_ptr, (uint32_t) num_events_in_wait_list,
+               (cl_event *) _event_wait_list_ptr, (cl_event *) _event_ptr, (int32_t *) _errcode_ret_ptr);
+    if (_res == NULL) return NULL;
 
-  // calculate buffer size
-  status  = clGetImageInfo((cl_mem) (intptr_t) image, CL_IMAGE_ELEMENT_SIZE, sizeof(size_t), (void *) elements, NULL);
-  status |= clGetImageInfo((cl_mem) (intptr_t) image, CL_IMAGE_DEPTH, sizeof(size_t), (void *) depth, NULL);
+    // calculate buffer size
+    status  = (*clGetImageInfo)((cl_mem) (intptr_t) image, CL_IMAGE_ELEMENT_SIZE, sizeof(size_t), (void *) elements, NULL);
+    status |= (*clGetImageInfo)((cl_mem) (intptr_t) image, CL_IMAGE_DEPTH, sizeof(size_t), (void *) depth, NULL);
 
-  if(status != CL_SUCCESS) return NULL;
+    if(status != CL_SUCCESS) {
+        return NULL;
+    }
 
-  if(*depth == 0) { // 2D
-      pixels = (*_image_row_pitch_ptr)   * _range_ptr[1] + _range_ptr[0];
-  }else{            // 3D
-      pixels = (*_image_slice_pitch_ptr) * _range_ptr[2]
-             + (*_image_row_pitch_ptr)   * _range_ptr[1] + _range_ptr[0];
-  }
+    if(*depth == 0) { // 2D
+        pixels = (*_image_row_pitch_ptr)   * _range_ptr[1] + _range_ptr[0];
+    }else{            // 3D
+        pixels = (*_image_slice_pitch_ptr) * _range_ptr[2]
+               + (*_image_row_pitch_ptr)   * _range_ptr[1] + _range_ptr[0];
+    }
 
   return (*env)->NewDirectByteBuffer(env, _res, pixels * (*elements));
 }
diff --git a/resources/clImplCustomCode.java b/resources/clImplCustomCode.java
index 17e0b888..1826da86 100644
--- a/resources/clImplCustomCode.java
+++ b/resources/clImplCustomCode.java
@@ -1,5 +1,5 @@
 
-    private final CLProcAddressTable addressTable;
+    protected final CLProcAddressTable addressTable;
 
     public CLAbstractImpl(CLProcAddressTable addressTable) {
         this.addressTable = addressTable;
diff --git a/src/com/jogamp/opencl/CLPlatform.java b/src/com/jogamp/opencl/CLPlatform.java
index 60eb2db0..46715feb 100644
--- a/src/com/jogamp/opencl/CLPlatform.java
+++ b/src/com/jogamp/opencl/CLPlatform.java
@@ -1,11 +1,11 @@
 package com.jogamp.opencl;
 
+import com.jogamp.common.os.DynamicLookupHelper;
 import java.security.PrivilegedAction;
 import com.jogamp.common.JogampRuntimeException;
-import com.jogamp.common.nio.Int64Buffer;
 import com.jogamp.common.os.NativeLibrary;
 import com.jogamp.common.nio.PointerBuffer;
-import com.jogamp.common.os.UnixDynamicLinkerImpl;
+import com.jogamp.gluegen.runtime.FunctionAddressResolver;
 import com.jogamp.opencl.util.CLUtil;
 import com.jogamp.opencl.impl.CLImpl;
 import com.jogamp.opencl.impl.CLProcAddressTable;
@@ -45,21 +45,44 @@ public final class CLPlatform {
 
     static{
         try {
-//            new UnixDynamicLinkerImpl().openLibraryGlobal("/usr/lib/jvm/java-6-sun/jre/lib/amd64/libjsig.so", true);
 
-            // run the whole static initialization privileged to speed up,
-            // since this skips checking further access
-            CLProcAddressTable table = doPrivileged(new PrivilegedAction<CLProcAddressTable>() {
+            final CLProcAddressTable table = new CLProcAddressTable(new FunctionAddressResolver() {
+                public long resolve(String name, DynamicLookupHelper lookup) {
+                    
+                    //FIXME workaround to fix a gluegen issue
+                    if(name.endsWith("Impl")) {
+                        name = name.substring(0, name.length() - "Impl".length());
+                    }
+
+                    if(name.endsWith("KHR") || name.endsWith("EXT")) {
+                        long address = ((CLImpl) cl).clGetExtensionFunctionAddress(name);
+                        if(address != 0) {
+                            return address;
+                        }
+                    }
+
+                    return lookup.dynamicLookupFunction(name);
+                }
+            });
+
+            cl = new CLImpl(table);
+            
+            //load JOCL and init table
+            doPrivileged(new PrivilegedAction<CLProcAddressTable>() {
                 public CLProcAddressTable run() {
+
                     NativeLibrary lib = JOCLJNILibLoader.loadJOCL();
 
-                    CLProcAddressTable table = new CLProcAddressTable();
+                    //eagerly init funciton to query extension addresses (used in reset())
+                    table.initEntry("clGetExtensionFunctionAddressImpl", lib);
                     table.reset(lib);
-                    return table;
+                    return null;
                 }
             });
 
-            cl = new CLImpl(table);
+//            System.out.println("\n"+table);
+            System.out.println("unavailable functions: "+table.getNullPointerFunctions());
+
         }catch(Exception ex) {
             throw new JogampRuntimeException("JOCL initialization error.", ex);
         }
diff --git a/src/com/jogamp/opencl/impl/CLImpl.java b/src/com/jogamp/opencl/impl/CLImpl.java
index 16b882ac..abec3597 100644
--- a/src/com/jogamp/opencl/impl/CLImpl.java
+++ b/src/com/jogamp/opencl/impl/CLImpl.java
@@ -14,7 +14,7 @@ import java.nio.IntBuffer;
 import static com.jogamp.common.nio.Buffers.*;
 
 /**
-  * Java bindings to OpenCL, the Open Computing Language.
+ * Java bindings to OpenCL, the Open Computing Language.
  * @author Michael Bien
  */
 public class CLImpl extends CLAbstractImpl {
@@ -38,11 +38,16 @@ public class CLImpl extends CLAbstractImpl {
             throw new RuntimeException("Argument \"errcode_ret\" was not a direct buffer");
         }
 
+        final long address = addressTable._addressof_clCreateContext;
+        if (address == 0) {
+            throw new UnsupportedOperationException("Method not available");
+        }
+
         long[] global = new long[1];
         long ctx = this.clCreateContext0(
                 properties != null ? properties.getBuffer() : null, getDirectBufferByteOffset(properties),
                 devices != null ? devices.remaining() : 0, devices != null ? devices.getBuffer() : null, getDirectBufferByteOffset(devices),
-                pfn_notify, global, errcode_ret, getDirectBufferByteOffset(errcode_ret));
+                pfn_notify, global, errcode_ret, getDirectBufferByteOffset(errcode_ret), address);
 
         if (pfn_notify != null && global[0] != 0) {
             synchronized (contextCallbackMap) {
@@ -52,7 +57,7 @@ public class CLImpl extends CLAbstractImpl {
         return ctx;
     }
 
-    private native long clCreateContext0(Object cl_context_properties, int props_offset, int numDevices, Object devices, int devices_offset, Object pfn_notify, long[] global, Object errcode_ret, int err_offset);
+    private native long clCreateContext0(Object cl_context_properties, int props_offset, int numDevices, Object devices, int devices_offset, Object pfn_notify, long[] global, Object errcode_ret, int err_offset, long address);
 
     public long clCreateContextFromType(PointerBuffer properties, long device_type, CLErrorHandler pfn_notify, IntBuffer errcode_ret) {
 
@@ -64,10 +69,15 @@ public class CLImpl extends CLAbstractImpl {
             throw new RuntimeException("Argument \"errcode_ret\" was not a direct buffer");
         }
 
+        final long address = addressTable._addressof_clCreateContextFromType;
+        if (address == 0) {
+            throw new UnsupportedOperationException("Method not available");
+        }
+
         long[] global = new long[1];
         long ctx = this.clCreateContextFromType0(
                 properties != null ? properties.getBuffer() : null, getDirectBufferByteOffset(properties),
-                device_type, pfn_notify, global, errcode_ret, getDirectBufferByteOffset(errcode_ret));
+                device_type, pfn_notify, global, errcode_ret, getDirectBufferByteOffset(errcode_ret), address);
 
         if (pfn_notify != null && global[0] != 0) {
             synchronized (contextCallbackMap) {
@@ -77,18 +87,23 @@ public class CLImpl extends CLAbstractImpl {
         return ctx;
     }
 
-    private native long clCreateContextFromType0(Object properties, int props_offset, long device_type, Object pfn_notify, long[] global, Object errcode_ret, int err_offset);
+    private native long clCreateContextFromType0(Object properties, int props_offset, long device_type, Object pfn_notify, long[] global, Object errcode_ret, int err_offset, long address);
 
     public int clReleaseContext(long context) {
         long global = 0;
         synchronized (contextCallbackMap) {
             global = contextCallbackMap.remove(context);
         }
-        return clReleaseContextImpl(context, global);
+
+        final long address = addressTable._addressof_clReleaseContext;
+        if (address == 0) {
+            throw new UnsupportedOperationException("Method not available");
+        }
+        return clReleaseContextImpl(context, global, address);
     }
 
     /** Interface to C language function: <br> <code> int32_t {@native clReleaseContext}(cl_context context); </code>    */
-    public native int clReleaseContextImpl(long context, long global);
+    public native int clReleaseContextImpl(long context, long global, long address);
 
     /** Interface to C language function: <br> <code> int32_t clBuildProgram(cl_program, uint32_t, cl_device_id * , const char * , void * ); </code>    */
     public int clBuildProgram(long program, int deviceCount, PointerBuffer deviceList, String options, BuildProgramCallback cb) {
@@ -97,12 +112,16 @@ public class CLImpl extends CLAbstractImpl {
             throw new RuntimeException("Argument \"properties\" was not a direct buffer");
         }
 
+        final long address = addressTable._addressof_clBuildProgram;
+        if (address == 0) {
+            throw new UnsupportedOperationException("Method not available");
+        }
         return clBuildProgram0(program, deviceCount, deviceList != null ? deviceList.getBuffer() : null,
-                getDirectBufferByteOffset(deviceList), options, cb);
+                getDirectBufferByteOffset(deviceList), options, cb, address);
     }
 
     /** Entry point to C language function: <code> int32_t clBuildProgram(cl_program, uint32_t, cl_device_id * , const char * , void * ); </code>    */
-    private native int clBuildProgram0(long program, int deviceCount, Object deviceList, int deviceListOffset, String options, BuildProgramCallback cb);
+    private native int clBuildProgram0(long program, int deviceCount, Object deviceList, int deviceListOffset, String options, BuildProgramCallback cb, long address);
 
     /** Interface to C language function: <br> <code> void *  {@native clEnqueueMapImage}(cl_command_queue command_queue, cl_mem image, uint32_t blocking_map, uint64_t map_flags, const size_t * , const size_t * , size_t *  image_row_pitch, size_t *  image_slice_pitch, uint32_t num_events_in_wait_list, cl_event *  event_wait_list, cl_event *  event, int32_t *  errcode_ret); </code>
     @param origin a direct {@link com.jogamp.common.nio.PointerBuffer}
@@ -140,6 +159,14 @@ public class CLImpl extends CLAbstractImpl {
             throw new CLException("Argument \"errcode_ret\" was not a direct buffer");
         }
 
+        final long mapImageAddress = addressTable._addressof_clEnqueueMapImage;
+        if (mapImageAddress == 0) {
+            throw new UnsupportedOperationException("Method not available");
+        }
+        final long getImageInfoAddress = addressTable._addressof_clGetImageInfo;
+        if (getImageInfoAddress == 0) {
+            throw new UnsupportedOperationException("Method not available");
+        }
         java.nio.ByteBuffer _res;
         _res = clEnqueueMapImage0(command_queue, image, blocking_map, map_flags, origin != null ? origin.getBuffer() : null,
                 getDirectBufferByteOffset(origin), range != null ? range.getBuffer() : null,
@@ -164,30 +191,43 @@ public class CLImpl extends CLAbstractImpl {
     @param event_wait_list a direct {@link com.jogamp.gluegen.runtime.PointerBuffer}
     @param event a direct {@link com.jogamp.gluegen.runtime.PointerBuffer}
     @param errcode_ret a direct {@link java.nio.IntBuffer}   */
-    private native ByteBuffer clEnqueueMapImage0(long command_queue, long image, int blocking_map, long map_flags, Object origin, int origin_byte_offset, Object range, int range_byte_offset, Object image_row_pitch, int image_row_pitch_byte_offset, Object image_slice_pitch, int image_slice_pitch_byte_offset, int num_events_in_wait_list, Object event_wait_list, int event_wait_list_byte_offset, Object event, int event_byte_offset, Object errcode_ret, int errcode_ret_byte_offset);
+    private native ByteBuffer clEnqueueMapImage0(long command_queue, long image, int blocking_map, long map_flags,
+            Object origin, int origin_byte_offset, Object range, int range_byte_offset, Object image_row_pitch,
+            int image_row_pitch_byte_offset, Object image_slice_pitch, int image_slice_pitch_byte_offset,
+            int num_events_in_wait_list, Object event_wait_list, int event_wait_list_byte_offset, Object event,
+            int event_byte_offset, Object errcode_ret, int errcode_ret_byte_offset);
 
     /**
      * Returns the extension function address for the given function name.
      */
     public long clGetExtensionFunctionAddress(String name) {
         ByteBuffer res = super.clGetExtensionFunctionAddressImpl(name);
-        if (Platform.is32Bit()) {
+        if(res == null) {
+            return 0;
+        }else if (Platform.is32Bit()) {
             return res.getInt();
         } else {
             return res.getLong();
         }
     }
 
+    public CLProcAddressTable getAddressTable() {
+        return addressTable;
+    }
+
     /*
     private static void convert32To64(long[] values) {
-        if (values.length % 2 == 1) {
-            values[values.length - 1] = values[values.length / 2] >>> 32;
-        }
-        for (int i = values.length - 1 - values.length % 2; i >= 0; i -= 2) {
-            long temp = values[i / 2];
-            values[i - 1] = temp >>> 32;
-            values[i] = temp & 0x00000000FFFFFFFFL;
-        }
+    if (values.length % 2 == 1) {
+    values[values.length - 1] = values[values.length / 2] >>> 32;
+    }
+    for (int i = values.length - 1 - values.length % 2; i >= 0; i -= 2) {
+    long temp = values[i / 2];
+    values[i - 1] = temp >>> 32;
+    values[i] = temp & 0x00000000FFFFFFFFL;
+    }
     }
      */
+
+
+
 }