implemented low level BuildProgramCallbacks.

 - removed userdata arguments from createContext* and buildProgram bindings
 - updated LowLevelBindingTest

1 files changed, 11 insertions, 2 deletions

diff --git a/src/com/jogamp/opencl/BuildProgramCallback.java b/src/com/jogamp/opencl/BuildProgramCallback.java
index fe2b29b9..9969c918 100644
--- a/src/com/jogamp/opencl/BuildProgramCallback.java
+++ b/src/com/jogamp/opencl/BuildProgramCallback.java
@@ -1,10 +1,19 @@
 package com.jogamp.opencl;
 
 /**
+ * A callback an application can register to be called when the program executable
+ * has been built (successfully or unsuccessfully).<br/>
+ * Note1: registering a build callback can make {@link CL#clBuildProgram} non blocking (OpenCL implementation dependent).<br/>
+ * Note2: the thread which calls this method is unspecified. The Application should ensure propper synchronization.
  * @author Michael Bien
+ * @see CL#clBuildProgram(long, int, com.jogamp.common.nio.PointerBuffer, java.lang.String, com.jogamp.opencl.BuildProgramCallback)
  */
-// TODO implement callbacks
 public interface BuildProgramCallback {
+
+    /**
+     * Called when the program executable
+     * has been built (successfully or unsuccessfully).
+     */
+    public void buildProgramCallback(long cl_program);
     
-    public void buildProgramCallback(long cl_program, Object user_data);
 }