GL*ProcAddressTable: Fix regressions: getField(..) -> getDeclaredField(..), incl. access check; Move getAddressFor() from ctx -> private dbg-handler (sec); FFMPEGMediaPlayer: Missed fetching func-ptr 'glTexSubImage2D'.

4 files changed, 40 insertions, 26 deletions

diff --git a/src/jogl/classes/com/jogamp/gluegen/opengl/GLEmitter.java b/src/jogl/classes/com/jogamp/gluegen/opengl/GLEmitter.java
index 356482581..7c49b62d7 100644
--- a/src/jogl/classes/com/jogamp/gluegen/opengl/GLEmitter.java
+++ b/src/jogl/classes/com/jogamp/gluegen/opengl/GLEmitter.java
@@ -39,7 +39,6 @@
  */
 package com.jogamp.gluegen.opengl;
 
-import com.jogamp.common.util.SecurityUtil;
 import com.jogamp.gluegen.ConstantDefinition;
 import com.jogamp.gluegen.FunctionEmitter;
 import com.jogamp.gluegen.GlueEmitterControls;
@@ -461,7 +460,7 @@ public class GLEmitter extends ProcAddressEmitter {
     @Override
     protected void endProcAddressTable() throws Exception {
         PrintWriter w = tableWriter;
-
+        
         w.println("  @Override");
         w.println("  protected boolean isFunctionAvailableImpl(String functionNameUsr) throws IllegalArgumentException  {");
         w.println("    final String functionNameBase = "+GLNameResolver.class.getName()+".normalizeVEN(com.jogamp.gluegen.runtime.opengl.GLNameResolver.normalizeARB(functionNameUsr, true), true);");
@@ -470,9 +469,17 @@ public class GLEmitter extends ProcAddressEmitter {
         w.println("    int  funcNamePermNum = "+GLNameResolver.class.getName()+".getFuncNamePermutationNumber(functionNameBase);");
         w.println("    for(int i = 0; null==addressField && i < funcNamePermNum; i++) {");
         w.println("        final String addressFieldName = "+GLNameResolver.class.getName()+".getFuncNamePermutation(addressFieldNameBase, i);");
-        w.println("        try {");
-        w.println("          addressField = getClass().getField(addressFieldName);");
-        w.println("        } catch (Exception e) { }");
+        w.println("        addressField = java.security.AccessController.doPrivileged(new java.security.PrivilegedAction<java.lang.reflect.Field>() {");
+        w.println("            public java.lang.reflect.Field run() {");
+        w.println("                try {");
+        w.println("                    final java.lang.reflect.Field addressField = "+tableClassName+".class.getDeclaredField( addressFieldName );");
+        w.println("                    addressField.setAccessible(true); // we need to read the protected value!");
+        w.println("                    return addressField;");
+        w.println("                } catch (NoSuchFieldException ex) {");
+        w.println("                    return null;");
+        w.println("                }");
+        w.println("            }");
+        w.println("        } );");        
         w.println("    }");
         w.println();
         w.println("    if(null==addressField) {");
@@ -502,9 +509,17 @@ public class GLEmitter extends ProcAddressEmitter {
         w.println("    int  funcNamePermNum = "+GLNameResolver.class.getName()+".getFuncNamePermutationNumber(functionNameBase);");
         w.println("    for(int i = 0; null==addressField && i < funcNamePermNum; i++) {");
         w.println("        final String addressFieldName = "+GLNameResolver.class.getName()+".getFuncNamePermutation(addressFieldNameBase, i);");
-        w.println("        try {");
-        w.println("          addressField = getClass().getField(addressFieldName);");
-        w.println("        } catch (Exception e) { }");
+        w.println("        addressField = java.security.AccessController.doPrivileged(new java.security.PrivilegedAction<java.lang.reflect.Field>() {");
+        w.println("            public java.lang.reflect.Field run() {");
+        w.println("                try {");
+        w.println("                    final java.lang.reflect.Field addressField = "+tableClassName+".class.getDeclaredField( addressFieldName );");
+        w.println("                    addressField.setAccessible(true); // we need to read the protected value!");
+        w.println("                    return addressField;");
+        w.println("                } catch (NoSuchFieldException ex) {");
+        w.println("                    return null;");
+        w.println("                }");
+        w.println("            }");
+        w.println("        } );");        
         w.println("    }");
         w.println();
         w.println("    if(null==addressField) {");
diff --git a/src/jogl/classes/jogamp/opengl/GLContextImpl.java b/src/jogl/classes/jogamp/opengl/GLContextImpl.java
index 4ab051028..6254b6f44 100644
--- a/src/jogl/classes/jogamp/opengl/GLContextImpl.java
+++ b/src/jogl/classes/jogamp/opengl/GLContextImpl.java
@@ -1155,22 +1155,6 @@ public abstract class GLContextImpl extends GLContext {
     } );
   }
   
-  /**
-   * Catches IllegalArgumentException and returns 0 if functionName is n/a,
-   * otherwise the ProcAddressTable's field value. 
-   */
-  /* pp */ final long getAddressFor(final ProcAddressTable table, final String functionName) {
-    return AccessController.doPrivileged(new PrivilegedAction<Long>() {
-        public Long run() {
-            try {
-                return Long.valueOf( table.getAddressFor(functionName) );
-            } catch (IllegalArgumentException iae) { 
-                return Long.valueOf(0);
-            }
-        }
-    } ).longValue();
-  }
-  
   private final boolean initGLRendererAndGLVersionStrings()  {
     final GLDynamicLookupHelper glDynLookupHelper = getDrawableImpl().getGLDynamicLookupHelper();
     final long _glGetString = glDynLookupHelper.dynamicLookupFunction("glGetString");
diff --git a/src/jogl/classes/jogamp/opengl/GLDebugMessageHandler.java b/src/jogl/classes/jogamp/opengl/GLDebugMessageHandler.java
index 392b5db28..4c7f414ca 100644
--- a/src/jogl/classes/jogamp/opengl/GLDebugMessageHandler.java
+++ b/src/jogl/classes/jogamp/opengl/GLDebugMessageHandler.java
@@ -27,6 +27,8 @@
  */
 package jogamp.opengl;
 
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.ArrayList;
 
 import javax.media.nativewindow.NativeWindowException;
@@ -105,6 +107,18 @@ public class GLDebugMessageHandler {
         }
     }
     
+    private final long getAddressFor(final ProcAddressTable table, final String functionName) {
+        return AccessController.doPrivileged(new PrivilegedAction<Long>() {
+            public Long run() {
+                try {
+                    return Long.valueOf( table.getAddressFor(functionName) );
+                } catch (IllegalArgumentException iae) { 
+                    return Long.valueOf(0);
+                }
+            }
+        } ).longValue();
+    }
+
     public void init() {
         ctx.validateCurrent();
         if( isAvailable()) {
@@ -149,10 +163,10 @@ public class GLDebugMessageHandler {
         if( ctx.isGL4() ) {
             switch(extType) {
                 case EXT_ARB: 
-                    glDebugMessageCallbackProcAddress = ctx.getAddressFor(procAddressTable, "glDebugMessageCallbackARB");
+                    glDebugMessageCallbackProcAddress = getAddressFor(procAddressTable, "glDebugMessageCallbackARB");
                     break;
                 case EXT_AMD: 
-                    glDebugMessageCallbackProcAddress = ctx.getAddressFor(procAddressTable, "glDebugMessageCallbackAMD");
+                    glDebugMessageCallbackProcAddress = getAddressFor(procAddressTable, "glDebugMessageCallbackAMD");
                     break;
             }
         } else {
diff --git a/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGMediaPlayer.java b/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGMediaPlayer.java
index 0c578f97f..a4178967c 100644
--- a/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGMediaPlayer.java
+++ b/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGMediaPlayer.java
@@ -202,6 +202,7 @@ public class FFMPEGMediaPlayer extends EGLMediaPlayerImpl {
         setTextureType(GL.GL_UNSIGNED_BYTE);
         final GLContextImpl ctx = (GLContextImpl)gl.getContext();
         final ProcAddressTable pt = ctx.getGLProcAddressTable();
+        procAddrGLTexSubImage2D = getAddressFor(pt, "glTexSubImage2D");
         if( 0 == procAddrGLTexSubImage2D ) {
             throw new InternalError("glTexSubImage2D n/a in ProcAddressTable: "+pt.getClass().getName()+" of "+ctx.getGLVersion());
         }